Alimentatori DC a uscita singola Agilent Technologies...

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Alimentatori DCa uscita singolaAgilent TechnologiesE364xA

Copertina esterna anteriore per E364xA (1 di 2)Guida dell’utente - Alimentatori DC a uscita singola Agilent Technologies E364xA (Manuale italiano)

Copertina interna anteriore per E364xA (2 di 2)Garanzia (Manuale italiano)

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Descrizione del pannello frontale

1 Tasto per la selezione del range a bassa tensione

2 Tasto per la selezione del range ad alta tensione

3 Tasto di protezione da sovratensione4 Tasto di visualizzazione dei limiti5 Tasto di regolazione tensione/corrente 6 Menu di richiamo/ripristino dello stato

operativo memorizzato

7 Menu di memorizzazione dello statooperativo/locale

8 Menu di visualizzazione/Tasto Calibrazione

9 Menu di configurazione I/O/Tasto di protezione

10 Tasto di attivazione/disattivazione dell’uscita

11 Tasti di selezione della risoluzione12 Manopola

2

Menu del pannello frontale/Descrizione dei tasti

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1 Tasto per la selezione del ran ge a bassa tensione Seleziona il range a bassa tensione, consentendo di regolare l’uscita sui terminali di uscita.

2 Tasto per la selezione del ran ge ad alta tensione Seleziona il range ad alta tensione, consentendo di regolare l’uscita sui terminali di uscita.

3 Tasto di protezione da sovratensione Abilita o disabilita la funzione di protezione da sovratensione, imposta il livello di scatto della tensione e azzera la condizione di sovratensione.

4 Tasto di visualizzazione dei lim iti V isualizza sullo scherm o il valore dei lim iti d i tensione e di corrente, consentendone la regolazione attraverso la m anopola.

5 Tasto di re golazione tensione/corrente Seleziona la funzione di controllo della manopola per la regolazione della tensione o della corrente.

6 Menu di richiamo/ripristino dello stato operativo memorizzato Richiama uno stato operativo salvato nelle posizioni da ‘‘1’’ a ‘‘5’’ e ripristina lo stato di accensione dell’alimentatore (comando *RST) dal pannello frontale selezionando il tasto ‘‘RESET’’ da questo menu.

7 Menu di memorizzazione dello stato operativo/locale 1 Salva fino a cinque stati dell’alimentatore nella memoria non volatile e assegna un nome a ciascuna delle posizioni di memorizzazione oppure riporta l’alimentatore dalla modalità interfaccia remota alla modalità locale.

8 Menu di visualizzazione/Tasto Calibrazione 2 Visualizza i codici di errore e il testo del messaggio di errore, della stringa di calibrazione e della revisione del firmware del sistema oppure abilita la modalità calibrazione.

9 Menu di confi gurazione I/O/Tasto Protezione 3 Configura l’alimentatore per le interfacce remote oppure attiva e disattiva la protezione dell’alimentatore per la calibrazione.

10 Tasto di attivazione/disattivazione dell’uscita Abilita o disabilita l’uscita dell’alimentatore. Questo tasto commuta da acceso a spento e viceversa.

11 Tasti di selezione della risoluzione Spostano la cifra lampeggiante verso destra o verso sinistra e regolano la velocità di scorrimento del testo che appare nel menu di visualizzazione.

12 Manopola Aumenta o diminuisce il valore della cifra lampeggiante se si ruota la manopola rispettivamente in senso orario o in senso antiorario.

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3

Impostazione dei limiti di corrente e di tensionesul pannello frontale

È possibile impostare il valore dei limiti di tensione e di corrente dal pannello frontale utilizzando il seguente metodo.

1 Selezionare il range di tensione desiderato utilizzando i tasti di selezione della scala dopo aver acceso l’alimentatore.

2 Premere per visualizzare i valori limite sul display.3 Spostare la cifra lampeggiante nella posizione appropriata utilizzando i tasti

di selezione della risoluzione e modificarne il valore al limite di tensione desiderato agendo sulla manopola di controllo. Se il tempo massimo per la funzione di visualizzazione del limite scade, premere di nuovo .

4 Premere per impostare la manopola per il controllo della corrente.5 Spostare la cifra lampeggiante nella posizione appropriata utilizzando i tasti

di selezione della risoluzione e modificarne il valore al limite di corrente desiderato agendo sulla manopola di controllo.

6 Premere per abilitare l’uscita. Dopo circa 5 secondi il display passerà automaticamente alla modalità di controllo dell’uscita, visualizzando la tensione e la corrente di uscita.

N o t a È possibile disabilitare tutti i tasti e i controlli posti sul pannello frontale tramite i comandi dell’interfaccia remota. Per poterli utilizzare è necessario che l’alimentatore sia in modalità "Local " (locale).

Per modificare il valore dei limiti di tensione e di corrente utilizzare il tasto di regolazione tensione/corrente, i tasti di selezione della risoluzione e la manopola di controllo.

+

Low

High

O r

DisplayLimit

DisplayLimit

CurrentVoltage

On/OffOutput

4

Indicatori dello schermo

Adrs All'alimentatore è stato richiesto di ricevere o di trasmettere versol'interfaccia remota.

Rmt L’alimentatore è in modalità interfaccia remota.8V* Indica che è stato selezionato il range a bassa tensione.20V* Indica che è stato selezionato il range ad alta tensione.35V** Indica che è stato selezionato il range a bassa tensione.60V** Indica che è stato selezionato il range ad alta tensione.OVP Quando viene abilitata la protezione da sovratensione,

l'indicatore si accende oppure, quando il circuito di protezione causa lo spegnimento dell'alimentatore, l’indicatore lampeggia.

CAL L'alimentatore è in modalità calibrazione.Limit Il display visualizza il valore dei limiti di tensione e di corrente.ERROR Errore rilevato nell'hardware o in un comando inviato dall'interfaccia

remota; il bit di errore non è stato cancellato.OFF L’uscita dell’alimentatore è disabilitata (per ulteriori informazioni

vedere a pagina 54).Unreg L'uscita dell'alimentatore non è regolata (l'uscita non è né CV

né CC).CV L'alimentatore è in modalità a tensione costante.CC L'alimentatore è in modalità a corrente costante.

Per visualizzare gli indicatori del displa y, tenere premuto il tasto quando si accende l'alimentatore.

DisplayLimit

*Per i modelli E3640A/42A/44A. **Per i modelli E3641A/43A/45A.

5

Descrizione del pannello posteriore

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Utilizzare il tasto del pannello frontale per:• Selezionare l'interfaccia GPIB o RS-232 (ved. Capitolo 3).• Impostare l'indirizzo GPIB (ved. Capitolo 3).• Impostare il baud rate e la parità dell'interfaccia RS-232 (ved. Capitolo 3).

1 Presa AC2 Gruppo portafusibile3 Modulo di alimentazione

4 Connettore per interfaccia RS-232 5 Connettore per interfaccia GPIB

(IEEE-488) 6 Terminali di uscita posteriori

I/OConfig

6

In questo manuale

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Se si desiderano ulteriori informazioni sul funzionamento dell'alimentatore, chiamare il numero 1-800-452-4844 negli Stati Uniti, oppure contattare il più vicino ufficio vendite Agilent Technologies.

Se il vostro alimentatore dovesse guastarsi entro tre anni dall’acquisto, Agilent provvederà a ripararlo e sostituirlo gratuitamente. In tal caso, chiamare il numero 1-800-258-5165 ("Express Exchange") negli Stati Uniti, oppure contattare il più vicino ufficio vendite Agilent Technologies.

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19

Capitolo 1 Guida rapidaIn caso di mancata accensione dell’alimentatore

In caso di mancata accensione dell’alimentatore

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Modello N. parte Agilent Descrizione

E3640A/41A 2110-1069 Fusibile 1.5A T 125V per 100 e 115 Vac

E3640A/41A 2110-0457 Fusibile 1A T 250V per 230 Vac





20

Capitolo 1 Guida rapidaConversione della tensione di rete

1

Conversione della tensione di rete

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Figura 1-1. Selettore della tensione di rete (impostato per 115Vac)

(VISTA DALL’ALTO)

21

Capitolo 1 Guida rapidaConversione della tensione di rete

1 Scollegare il cavo di alimentazione.Rimuovere il gruppo del fusibile dal pan-nello posteriore con un cacciavite a puntapiatta.

2 Rimuovere il portafusibile dal gruppo.

3 Inserire il fusibile corretto. 4 Riposizionare il gruppopo del fusibilenel pannello posteriore.

Verificare che sia selezionato il volta gg io di linea corretto e che il fusibiledi alimentazione sia appropriato.

22

Capitolo 1 Guida rapidaRegolazione della mani glia

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Regolazione della maniglia

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Posizioni da banco Posizioni da trasporto

23

Capitolo 1 Guida rapidaMonta ggio in rack

Montaggio in rack

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Per rimuovere la mani glia, ruotarla in posizione verticale ed estrarre le estremità tirandole verso l’esterno.

Per rimuovere il cuscinetto in gomma, allun garne un an golo e quindi estrarlo.

Parte anteriore Parte posteriore (vista dal basso)

24


1

Per montare in rack un sin golo strumento, ordinare il kit 5063-9240.

Per montare in rack due strumenti affiancati, ordinare il kit giunti di raccordo 5061-969 4e flan ge 5063-9212. Accertarsi di utilizzare i binari di supporto all’interno del cabinet in rack.

Per installare uno o due strumenti in un ripiano di supporto scorrevole, ordinare il kitripiano 5063-9255, e parte scorrevole 1494-0015 (per un sin golo strumento, ordinareanche un pannello di riempimento 5002-3999).

25


26

2

Informazioni generali

Informazioni generali

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A v v e r t e n z a Fluttuazioni dell’uscita dell’alimentatore superiori a +/- 60 Vdc rispetto al telaio rappresentano un pericolo di scossa elettrica per l’operatore. Le fluttuazioni delle uscite non devono superare +/- 60 Vdc quando si utilizzano cavetti di rilevamento privi di isolamento per collegare il terminale d’uscita (+) con quello di rilevamento (+) e il terminale d’uscita (-) con quello di rilevamento (-) sul retro dell’unità.

1. Tensione fuori massa max +/-60 Vdc rispetto a ( ) (conduttori di cortocircuitoprivi d’isolamento)

2. Tensione fuori massa max +/-240 Vdcrispetto a ( ) (conduttori di cortocircuitoisolati)(Terminali d’uscita posteriori)

32

Capitolo 2 Informazioni generaliInstallazione

2

Installazione

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Raffreddamento e ubicazione

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33

Capitolo 2 Informazioni generaliColle gamenti di uscita

Collegamenti di uscita

A v v e r t e n z a Prima di provare a collegare i cavetti ai terminali di uscita posteriori, spegnere l’alimentatore per evitare danni ai circuiti collegati.

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Livelli di corrente1HOODWDEHOODFKHVHJXHVRQRHOHQFDWHOHFDUDWWHULVWLFKHGLXQFDYHWWRLQUDPH$:*$PHULFDQ:LUH*DJH

Tabella 2-1 Prestazioni dei cavetti

A v v e r t e n z a Per soddisfare i requisiti di sicurezza, è necessario che i cavetti di collegamento al carico siano sufficientemente pesanti da non surriscaldarsi quando la corrente d’uscita di cortocircuito dell’alimentatore è ai massimi livelli. In presenza di più di un carico, ciascuna coppia di cavetti di carico deve essere in grado di supportare senza problemi la velocità della corrente dell’alimentatore a pieno regime.

AWG 10 12 14 16 18 20 22 24 26 28

Corrente massimasuggerita (amps)*

40 25 20 13 10 7 5 3,5 2,5 1,7

mΩ/ft 1,00 1,59 2,53 4,02 6,39 10,2 16,1 25,7 40,8 64,9

mΩ/m 3,3 5,2 8,3 13,2 21,0 33,5 52,8 84,3 133,9 212,9

*Conduttore singolo all’aria aperta a 30 °C isolato

34


2

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Considerazioni sul carico

Carico capacitivo/ªDOLPHQWDWRUHVDUjVWDELOHSHUTXDVLWXWWHOHFDSDFLWjGLFDULFR7XWWDYLDFRQGHQVDWRULGLJURVVRFDULFRSRWUHEEHURFDXVDUHOªDWWLYD]LRQHGHOODULVSRVWDDLWUDQVLWRUL'HWHUPLQDWHFRPELQD]LRQLGLFDSDFLWjGLFDULFRODUHVLVWHQ]DGHOOHVHULHHTXLYDOHQWLHOªLQGXWWDQ]DGHOFDYHWWRGLFROOHJDPHQWRGLFDULFRSRVVRQRJHQHUDUHLQVWDELOLWjRVFLOOD]LRQH,QTXHVWRFDVRqVSHVVRSRVVLELOHULVROYHUHLOSUREOHPDDXPHQWDQGRRGLPLQXHQGRODGLPHQVLRQHGHOFDULFRFDSDFLWLYR

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Carico ad impulsi,QDOFXQHDSSOLFD]LRQLODFRUUHQWHGLFDULFRYDULDSHULRGLFDPHQWHGDXQYDORUHPLQLPRDXQYDORUHPDVVLPR,OFLUFXLWRGLFRUUHQWHFRVWDQWHOLPLWDODFRUUHQWHGªXVFLWD$OFXQLFDULFKLGLSLFFRFKHVXSHUDQRLOOLPLWHGLFRUUHQWHSRVVRQRHVVHUHJHQHUDWLGDOFRQGHQVDWRUHGªXVFLWD3HUVRGGLVIDUHOHVSHFLILFKHUHODWLYHDOOªXVFLWDLOOLPLWHGLFRUUHQWHGRYUHEEHHVVHUHLPSRVWDWRVXXQYDORUHVXSHULRUHDTXHOORGHOODFRUUHQWHGLSLFFRSUHYLVWD,QFDVRFRQWUDULROªDOLPHQWDWRUHSRWUHEEHHQWUDUHQHOODPRGDOLWj&&RLQXQDPRGDOLWjQRQUHJRODWDSHUEUHYLSHULRGLGLWHPSR

35


Carico della corrente inversa8QFDULFRDWWLYRFROOHJDWRDOOªDOLPHQWDWRUHSRWUHEEHIRUQLUHXQDFRUUHQWHLQYHUVDDOOªDOLPHQWDWRUHGXUDQWHXQDSDUWHGHOFLFORRSHUDWLYR1RQqSRVVLELOHSUHYHGHUHXQDVRUJHQWHHVWHUQDFKHSRPSLODFRUUHQWHQHOOªDOLPHQWDWRUHVHQ]DFRUUHUHLOULVFKLRGLSURYRFDUHXQDSHUGLWDGLUHJROD]LRQHHSRVVLELOLGDQQL4XHVWLHIIHWWLSRVVRQRHVVHUHHYLWDWLSUHFDULFDQGROªXVFLWDFRQXQUHVLVWRUHGLFDULFRGXPP\7DOHUHVLVWRUHGRYUHEEHFRQVXPDUHXQDTXDQWLWjGLFRUUHQWHGDOOªDOLPHQWDWRUHDOPHQRHTXLYDOHQWHDTXHOODFKHLOFDULFRDWWLYRSXzIRUQLUHDOOªDOLPHQWDWRUH,OYDORUHGHOODFRUUHQWHSHULOFDULFRGXPP\SLLOYDORUHGHOODFRUUHQWHFKHLOFDULFRFRQVXPDGDOOªDOLPHQWDWRUHGHYRQRHVVHUHLQIHULRULDOODFRUUHQWHPDVVLPDGHOOªDOLPHQWDWRUH

Collegamenti di rilevamento remoto della tensione,OULOHYDPHQWRUHPRWRGHOODWHQVLRQHYLHQHXWLOL]]DWRSHUFRQVHUYDUHODUHJROD]LRQHQHOFDULFRHGLPLQXLUHODULGX]LRQHGLUHJROD]LRQHFKHVLYHULILFKHUHEEHDFDXVDGLFDGXWHGLWHQVLRQHQHLFDYHWWLGLFROOHJDPHQWRWUDOªDOLPHQWDWRUHHLOFDULFR

4XDQGROªDOLPHQWDWRUHqFROOHJDWRSHULOULOHYDPHQWRUHPRWRLOFLUFXLWR293ULOHYDODWHQVLRQHQHLSXQWLGLULOHYDPHQWRFDULFRHQRQQHLWHUPLQDOLGªXVFLWD

,FROOHJDPHQWLWUDLWHUPLQDOLGLULOHYDPHQWRHGªXVFLWDGHOOªDOLPHQWDWRUHGRYUHEEHURHVVHUHULPRVVLHLWHUPLQDOLGLULOHYDPHQWRGHOOªDOLPHQWDWRUHGRYUHEEHURHVVHUHFROOHJDWLDOFDULFRXWLOL]]DQGRFDYLVFKHUPDWLFRQGRSSLQRLQWUHFFLDWRFRPHLOOXVWUDWRQHOOD)LJXUD1RQXWLOL]]DUHORVFKHUPRFRPHFRQGXWWRUHGLULOHYDPHQWRHODVFLDUHVFROOHJDWDOªDOWUDHVWUHPLWj&ROOHJDUHVRORXQªHVWUHPLWjGHOORVFKHUPRGHOFDYHWWRGLULOHYDPHQWRDOODPHVVDDWHUUDGHOWHODLR /ªDSHUWXUDGLXQFDYHWWRGLULOHYDPHQWRSURYRFDXQDULGX]LRQHGHOODWHQVLRQHGªXVFLWDGHOOªDOLPHQWDWRUHQHLFDYHWWLGLFDULFR)DUHDWWHQ]LRQHDOODSRODULWjGXUDQWHLOFROOHJDPHQWRGHLFDYHWWLGLULOHYDPHQWRDOFDULFR

Figura 2-1. Collegamenti di rilevamento remoto della tensione

Figura 2-2. Collegamenti di rilevamento locale

36


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38

3

Funzionamento e caratteristiche del pannello frontale

Funzionamento e caratteristiche del pannello frontale

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N o t a Vedere "Messaggi di errore", a partire da pagina 113 del capitolo 5 se si verificano errori durante l'utilizzo dei comandi del pannello frontale.

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40

Capitolo 3 Funzionamento e caratteristiche del pannello frontaleIntroduzione al funzionamento del pannello frontale

3

Introduzione al funzionamento del pannello frontale

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Store

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41

Capitolo 3 Funzionamento e caratteristiche del pannello frontaleFunzionamento a tensione costante

Funzionamento a tensione costante

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleFunzionamento a tensione costante

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N o t a Se durante il funzionamento a tensione costante effettiva, una variazione di carico determina il superamento del limite di corrente, l'alimentatore passa automaticamente alla modalità corrente costante al limite di corrente preimpostato e la tensione di uscita diminuisce in modo proporzionale.

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CURRent <corrente>|MIN|MAX Imposta la corrente

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43

Capitolo 3 Funzionamento e caratteristiche del pannello frontaleFunzionamento a corrente costante

Funzionamento a corrente costante

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleFunzionamento a corrente costante

3

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N o t a Se durante il funzionamento a corrente costante effettiva, una variazione di carico determina il superamento del limite di tensione, l'alimentatore passa automaticamente alla modalità tensione costante al limite di tensione preimpostatoe la corrente di uscita diminuisce in modo proporzionale.


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45

Capitolo 3 Funzionamento e caratteristiche del pannello frontaleConfi gurazione dell’interfaccia remota

Configurazione dell’interfaccia remota

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleConfi gurazione dell’interfaccia remota

3

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleProgrammazione della funzione di protezione da sovratensione (OVP)

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N o t a Il circuito di protezione da sovratensione dell'alimentatore contiene un SCR con barradi blocco, che manda efficacemente in corto circuito l'uscita dell'alimentatore ogni qual volta si determina una condizione di sovratensione. Se all'uscita è collegata unafonte di tensione esterna, quale ad esempio una batteria, e si determina una condizione di sovratensione, la caduta continua di una corrente elevata dalla sorgenteprovocata dall'SCR può danneggiare l'alimentatore. Per evitare che ciò avvenga, ènecessario collegare un diodo in serie con l'uscita, come indicato in Figura 3-1.

Figura 3-1. Circuito di protezione raccomandato per la carica delle batterie

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleDisabilitazione dell'uscita

Disabilitazione dell'uscita

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N o t a Non utilizzare l'interfaccia RS-232 se l'alimentatore è stato configurato per fornire segnali di controllo da relè. Tale configurazione potrebbe danneggiare i componentiinterni della circuiteria.

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleOperazioni di sistema

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Capitolo 3 Funzionamento e caratteristiche del pannello frontaleRiferimento dell’interfaccia GPIB

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58

Capitolo 3 Funzionamento e caratteristiche del pannello frontaleRiferimento dell'interfaccia RS-232

3

Riferimento dell'interfaccia RS-232

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61

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6HVLXWLOL]]DLOOLQJXDJJLR6&3,SHUODSULPDYROWDqQHFHVVDULRFRQVXOWDUHTXHVWHVH]LRQLSHUDFTXLVLUHIDPLOLDULWjFRQLOOLQJXDJJLRSULPDGLWHQWDUHGLSURJUDPPDUHODOLPHQWDWRUH

SCPI

SCPI

SCPI

68

Capitolo 4 Interfaccia remotaRiepilo go dei comandi SCPI

4

Riepilogo dei comandi SCPI

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9HQJRQRLQGLFDWHTXLGLVHJXLWROHFRQYHQ]LRQLVXOODVLQWDVVLGHLFRPDQGL6&3,XWLOL]]DWHLQTXHVWRPDQXDOH

/HSDUHQWHVLTXDGUH>@LQGLFDQRSDUROHFKLDYHRSDUDPHWULRS]LRQDOL

/HSDUHQWHVLJUDIIH^`UDFFKLXGRQRLSDUDPHWULSUHVHQWLLQXQDVWULQJDGLFRPDQGR

,VLPEROLPLQRUHHPDJJLRUH!LQGLFDQRFKHqQHFHVVDULRVSHFLILFDUHXQYDORUHRXQFRGLFHSHULOSDUDPHWURULSRUWDWR

/DEDUUDYHUWLFDOH_VHSDUDGXHRSLSDUDPHWULDOWHUQDWLYL

$JOLXWHQWLFKHXWLOL]]DQRSHUODSULPDYROWDLOOLQJXDJJLR6&3, VLFRQVLJOLDGLFRQVXOWDUHODSDJLQD

SCPI

69


APPLy <tensione>|DEF|MIN|MAX[,<corrente>|DEF|MIN|MAX]

APPLy?

[SOURce:]

CURRent[:LEVel][:IMMediate][:AMPLitude] <corrente>|MIN|MAX|UP|DOW

CURRent[:LEVel][:IMMediate][:AMPLitude]? [MIN|MAX]

CURRent[:LEVel][:IMMediate]:STEP[:INCRement]

<valore numerico> |DEFault

CURRent[:LEVel][:IMMediate]:STEP[:INCRement]? [DEFault]

CURRent[:LEVel]:TRIGgered[:AMPLitude] <corrente>|MIN|MAX

CURRent[:LEVel]:TRIGgered[:AMPLitude]? [MIN|MAX]

VOLTage[:LEVel][:IMMediate][:AMPLitude]

<tensione>|MIN|MAX|UP|DOWN

VOLTage[:LEVel][:IMMediate][:AMPLitude]? [MIN|MAX]

VOLTage[:LEVel][:IMMediate]:STEP[:INCRement]

<valore numerico>|DEFault

VOLTage[:LEVel][:IMMediate]:STEP[:INCRement]? [DEFault]

VOLTage[:LEVel]:TRIGgered[:AMPLitude] <tensione>|MIN|MAX

VOLTage[:LEVel]:TRIGgered[:AMPLitude]? [MIN|MAX]

VOLTage:PROTection[:LEVel] <tensione>|MIN|MAX

VOLTage:PROTection[:LEVel]? [MIN|MAX]

VOLTage:PROTection:STATe 0|1|OFF|ON

VOLTage:PROTection:STATe?

VOLTage:PROTection:TRIPped?

VOLTage:PROTection:CLEar

VOLTage:RANGe P8V*|P20V*|P35V**|P60V**|LOW|HIGH

VOLTage:RANGe?

MEASure [:SCALar]

:CURRent[:DC]?

[:VOLTage][:DC]?

Comandi di impostazione e di misura dell'uscita

*Per i modelli Agilent E3640A/42/44A **Per i modelli Agilent E3641A/43A/45A

(Per ulteriori informazioni, vedere pagina 78)

70


4

INITiate[:IMMediate]

TRIGger[:SEQuence]

:DELay <secondi>|MIN|MAX

:DELay?[MIN|MAX]

:SOURce BUS|IMM

:SOURce?

*TRG

DISPlay[:WINDow]

[:STATe] OFF|ON

[:STATe]?

:TEXT[:DATA] < stringa tra virgolette >

:TEXT[:DATA]?

:TEXT:CLEar

SYSTem

:BEEPer[:IMMediate]

:ERRor?

:VERSion?

:COMMunicate:GPIB:RDEVice:ADDRess < valore numerico >

:COMMunicate:GPIB:RDEVice:ADDRess?

OUTPut

:RELay[:STATe] OFF|ON

:RELay[:STATe]?

[:STATe] OFF|ON

[:STATe]?

*IDN?

*RST

*TST?

Comandi di triggering

Comandi di sistema



71


CALibration

:COUNt?

:CURRent[:DATA] < valore numerico> :CURRent:LEVel MIN|MID|MAX

:SECure:CODE < nuovo codice> :SECure:STATe OFF|ON,< codice tra virgolette> :SECure:STATe?

:STRing < stringa tra virgolette> :STRing?

:VOLTage[:DATA] < valore numerico>

:VOLTage:LEVel MIN|MID|MAX

:VOLTage:PROTection

STATus:QUEStionable

:CONDition?

[:EVENt]?

:ENABle <valore abilitazione> :ENABle?

SYSTem:ERRor?

*CLS

*ESE <valore abilitazione>*ESE?

*ESR?

*OPC

*OPC?

*PSC 0|1

*PSC?

*SRE <valore abilitazione>*SRE?

*STB?

*WAI

Comandi di calibrazione

Comandi per il report dello stato



72


4

SYSTem

:INTerface GPIB|RS232

:LOCal

:REMote

:RWLock

*SAV 1|2|3|4|5

*RCL 1|2|3|4|5

MEMory:STATe

:NAME 1|2|3|4|5 ,< nome tra virgolette> :NAME? 1|2|3|4|5

*CLS

*ESR?

*ESE <valore abilitazione>*ESE?

*IDN?

*OPC

*OPC?

*PSC 0|1

*PSC?

*RST

*SAV 1|2|3|4|5

*RCL 1|2|3|4|5

*STB?

*SRE <valore abilitazione>*SRE?

*TRG

*TST?

*WAI

Comandi per la configurazione dell’interfaccia

Comandi per la memorizzazione degli stati

Comandi comuni IEEE-488.2




73

Capitolo 4 Interfaccia remotaCenni preliminari di pro grammazione

Cenni preliminari di programmazione

4XHVWDVH]LRQHSUHVHQWDXQDSDQRUDPLFDVXOOHSULQFLSDOLWHFQLFKHXWLOL]]DWHSHUSURJUDPPDUHODOLPHQWDWRUHWUDPLWHOªLQWHUIDFFLDUHPRWD4XHVWDVH]LRQHKDFDUDWWHUHXQLFDPHQWHLQWURGXWWLYRHQRQIRUQLVFHWXWWLLGHWWDJOLQHFHVVDULSHUODVFULWWXUDGHLSURJUDPPLDSSOLFDWLYL3HUXOWHULRULHVHPSLHGHWWDJOLFRQVXOWDUHODUHVWDQWHSDUWHGLTXHVWRFDSLWRORHLOFDSLWROR3URJUDPPLDSSOLFDWLYL3HUXOWHULRULLQIRUPD]LRQLVXOOLQYLRGHOOHVWULQJKHGLFRPDQGRHVXOOLPPLVVLRQHGHLGDWLYHGHUHDQFKHLOPDQXDOHGLULIHULPHQWRSHUODSURJUDPPD]LRQHIRUQLWRFRQLOFRPSXWHU

Uso del comando APPLy,OFRPDQGRAPPLyUDSSUHVHQWDLOPHWRGRSLVHPSOLFHSHUSURJUDPPDUHODOLPHQWDWRUHWUDPLWHOLQWHUIDFFLDUHPRWD$GHVHPSLRODVHJXHQWHLVWUX]LRQHHVHJXLWDGDOFRPSXWHULPSRVWHUjODOLPHQWDWRUHDXQXVFLWDGL9DG$

APPL 3.0, 1.0

Uso dei comandi di basso livello6HEEHQHLOFRPDQGRAPPLyFRVWLWXLVFDLOPHWRGRSLVHPSOLFHSHUSURJUDPPDUHODOLPHQWDWRUHLFRPDQGLGLEDVVROLYHOORFRQVHQWRQRXQDPDJJLRUHIOHVVLELOLWjQHOODPRGLILFDGHLVLQJROLSDUDPHWUL$GHVHPSLROHVHJXHQWLLVWUX]LRQLHVHJXLWHGDOFRPSXWHULPSRVWHUDQQRODOLPHQWDWRUHDXQXVFLWDGL9DG$

VOLT 3.0 Imposta la tensione di uscita a 3,0 V

CURR 1.0 Imposta la corrente di uscita a 1,0 A

74


4

Lettura della risposta a un’interrogazione6RORLFRPDQGLGLQWHUURJD]LRQHFRPDQGLFKHWHUPLQDQRFRQ"SRVVRQRLVWUXLUHODOLPHQWDWRUHLQPRGRFKHLQYLLXQPHVVDJJLRGLULVSRVWD/HLQWHUURJD]LRQLULSRUWDQRYDORULGLXVFLWDRLPSRVWD]LRQLLQWHUQHGHOORVWUXPHQWR$GHVHPSLROHVHJXHQWLLVWUX]LRQLHVHJXLWHGDOFRPSXWHUFRQVHQWLUDQQRGLOHJJHUHODFRGDGHJOLHUURULGHOODOLPHQWDWRUHHGLVWDPSDUHJOLHUURULSLUHFHQWL

dimension statement Ridimensiona la matrice dellastringa (80 elementi)

SYST:ERR? Legge la coda degli errori

bus enter statement Immette la stringa di errore nel computer

print instruction Stampa la stringa di errore

Selezione di una fonte di trigger/DOLPHQWDWRUHDFFHWWHUjXQWULJJHUEXVVRIWZDUHRXQWULJJHULQWHUQRLPPHGLDWRFRPHIRQWHGLWULJJHU/DIRQWHGLWULJJHU%86qVHOH]LRQDWDLQEDVHDOOªLPSRVWD]LRQHSUHGHILQLWD6HVLGHVLGHUDFKHODOLPHQWDWRUHXWLOL]]LLOWULJJHULQWHUQRLPPHGLDWRqQHFHVVDULRVHOH]LRQDUHIMMediate $GHVHPSLROHVHJXHQWLLVWUX]LRQLHVHJXLWHGDOFRPSXWHULPSRVWHUDQQRLPPHGLDWDPHQWHXQXVFLWDGL9$

VOLT:TRIG 3.0 Imposta a 3,0 V il livello di tensione su cuiè stato effettuato il trigger

CURR:TRIG 1.0 Imposta a 1,0 A il livello di corrente su cuiè stato effettuato il trigger

TRIG:SOUR IMM Seleziona come fonte il trigger immediato

INIT Avvia il sistema di trigger

75


Range di programmazione dell'alimentatore/DSURJUDPPD]LRQHGHLYDORULFRQLOVRWWRVLVWHPDSOURceULFKLHGHOXWLOL]]RGLSDUDPHWUL,OYDORUHSURJUDPPDELOHSHUXQGDWRSDUDPHWURYDULDLQIXQ]LRQHGHOUDQJHGXVFLWDGHVLGHUDWR/DWDEHOODVHJXHQWHIRUQLVFHXQTXDGURGHLYDORULSURJUDPPDEOLGLVSRQLELOLFRPSUHVLTXHOOLMINimumMAXimumDEFault HGLULSULVWLQRSHUOªDOLPHQWDWRUHLQXVR

Consultare la tabella per identificare i parametri durante la programmazione dell'alimentatore.

Tabella 4-1. Ran ge di pro grammazione per A gilent E3640A/42A/44A

Tabella 4-2. Ran ge di pro grammazione per A gilent E3641A/43A/45A

E3640A E3642A E3644ARange

0 - 8V/3ARange

0 - 20V/1.5A Range

0 - 8V/5ARange

0 - 20V/2.5A Range

0 - 8V/8ARange

0 - 20V/4A

Tensione Range di programmazione

da 0 V a 8.24V

da 0 V a 20.60 V

da 0 V a 8.24V

da 0 V a 20.60 V

da 0 V a 8.24V

da 0 V a 20.60 V

Valore MAX 8.24 V 20.60 V 8.24 V 20.60 V 8.24 V 20.60 VValore MIN 0 V 0 V 0 VValore DEFault 0 V 0 V 0 V Valore *RST 0 V 0 V 0 V

Corrente Range di programmazione

da 0 A a 3.09 A

da 0 A a 1.545 A

da 0 A a 5.15 A

da 0 A a 2.575 A

da 0 A a 8.24 A

da 0 A a 4.12 A

Valore MAX 3.09 A 1.545 A 5.15 A 2.575 A 8.24 A 4.12 AValore MIN 0 A 0 A 0 AValore DEFault 3 A 1.5 A 5 A 2.5 A 8 A 4 AValore *RST 3.00 A 5.00 A 8.00 A

E3641A E3643A E3645ARange 0 - 35V/0.8A

Range 0 - 60V/0.5A

Range 0 - 35V/1.4A

Range 0 - 60V/0.8A

Range 0 - 35V/2.2A

Range 0 - 60V/1.3A

Tensione Range di programmazione

da 0 V a 36.05V

da 0 V a 61.8 V

da 0 V a 36.05V

da 0 V a 61.8 V

da 0 V a 36.05V

da 0 V a 61.8 V

Valore MAX 36.05 V 61.8 V 36.05 V 61.8 V 36.05 V 61.8 VValore MIN 0 V 0 V 0 VValore DEFault 0 V 0 V 0 V Valore *RST 0 V 0 V 0 V

Corrente Range di programmazione

da 0 A a 0.824 A

da 0 A a 0.515 A

da 0 A a 1.442 A

da 0 A a 0.824 A

da 0 A a 2.266 A

da 0 A a 1.339 A

Valore MAX 0.824 A 0.515 A 1.442 A 0.824 A 2.266 A 1.339 AValore MIN 0 A 0 A 0 AValore DEFault 0.8 A 0.5 A 1.4 A 0.8 A 2.2 A 1.3 AValore *RST 0.8 A 1.4 A 2.2 A

76

Capitolo 4 Interfaccia remotaUso del comando APPL y

4

Uso del comando APPLy

,OFRPDQGRAPPLyUDSSUHVHQWDLOPHWRGRSLVHPSOLFHSHUSURJUDPPDUHODOLPHQWDWRUHWUDPLWHOLQWHUIDFFLDUHPRWDSRLFKpFRQVHQWHGLVHOH]LRQDUHODWHQVLRQHHODFRUUHQWHGXVFLWDFRQXQVLQJRORFRPDQGR

APPLy <tensione>| DEF | MIN | MAX[, <corrente>| DEF | MIN | MAX]4XHVWRFRPDQGRqXQDFRPELQD]LRQHGHLFRPDQGLVOLTageHCURRent

,OFRPDQGRAPPLyPRGLILFDOXVFLWDGHOODOLPHQWDWRUHFRQLQXRYLYDORULSURJUDPPDWLVHPSUHFKHTXHVWLULVXOWLQRYDOLGLSHULOUDQJHDWWXDOPHQWHVHOH]LRQDWR/XWLOL]]RGLYDORULGLSURJUDPPD]LRQHQRQYDOLGLSURYRFDXQHUURUHGLHVHFX]LRQH

½SRVVLELOHVRVWLWXLUHMINimumMAXimumRDEFault FRQXQYDORUHVSHFLILFRSHULSDUDPHWULGLWHQVLRQHHFRUUHQWH3HUXOWHULRULLQIRUPD]LRQLVXLSDUDPHWULYHGHUHOHWDEHOOHGDDSHUFLDVFXQPRGHOOR

6HVLVSHFLILFDXQVRORSDUDPHWURSHULOFRPDQGRAPPLyODOLPHQWDWRUHORFRQVLGHUDXQYDORUHGLLPSRVWD]LRQHGHOODWHQVLRQH

APPLy?,OFRPDQGRLQWHUURJDODOLPHQWDWRUHULJXDUGRDLYDORULDWWXDOLGHOODWHQVLRQHHGHOODFRUUHQWHHOLULSRUWDLQXQDVWULQJDGLFDUDWWHULUDFFKLXVDIUDYLUJROHWWH/DWHQVLRQHHODFRUUHQWHYHQJRQRLQGLFDWHLQVHTXHQ]DFRPHLOOXVWUDWRQHOOHVHPSLRGLVWULQJDVRWWRVWDQWHOHYLUJROHWWHVRQRSDUWHLQWHJUDQWHGHOODVWLQJDUHVWLWXLWD

©©ªª PRGHOOR($

77

Capitolo 4 Interfaccia remotaImpostazione dell'uscita e comandi operativi

Impostazione dell'uscita e comandi operativi

4XHVWDVH]LRQHGHVFULYHLFRPDQGLGLEDVVROLYHOORXWLOL]]DWLSHUSURJUDPPDUHODOLPHQWDWRUH6HEEHQHLOFRPDQGRAPPLyUDSSUHVHQWLLOPHWRGRSLGLUHWWRSHUSURJUDPPDUHOXQLWjLFRPDQGLGLEDVVROLYHOORJDUDQWLVFRQRPDJJLRUIOHVVLELOLWjSHUODPRGLILFDGHLVLQJROLSDUDPHWUL

CURRent <corrente>| MINimum | MAXimum | UP | DOWN&RPDQGRXWLOL]]DWRSHUSURJUDPPDUHLOOLYHOORGLFRUUHQWHLPPHGLDWR

GHOODOLPHQWDWRUHFKHFRUULVSRQGHDOYDORUHGHOODFRUUHQWHGHLWHUPLQDOLGXVFLWD

,OFRPDQGRCURRentPRGLILFDOXVFLWDGHOODOLPHQWDWRUHFRQLOQXRYRYDORUHSURJUDPPDWRLQGLSHQGHQWHPHQWHGDOUDQJHDWWXDOPHQWHVHOH]LRQDWRSHUOXVFLWD

½SRVVLELOHVRVWLWXLUHMINimumRMAXimumDOSRVWRGLXQYDORUHVSHFLILFRSHULOSDUDPHWURGHOODFRUUHQWHMINVHOH]LRQDLYDORULGLFRUUHQWHPLQLPLGLDPSVPHQWUH MAXVHOH]LRQDLYDORULGLFRUUHQWHPDVVLPLFRQVHQWLWLGDOUDQJHVHOH]LRQDWR

,QROWUHLOFRPDQGRDXPHQWDRULGXFHLOOLYHOORGLFRUUHQWHLPPHGLDWRWUDPLWHLSDUDPHWULUPRDOWNLQEDVHDXQDTXDQWLWjSUHGHILQLWD,OFRPDQGRCURRentSTEPLPSRVWDODTXDQWLWjGDDXPHQWDUHRULGXUUH½LPSRUWDQWHULFRUGDUHFKHXQDQXRYDLPSRVWD]LRQHGLQFUHPHQWRSURYRFDXQHUURUHGHVHFX]LRQH'DWLIXRULUDQJHLQFDVRGLVXSHUDPHQWRGHOODFRUUHQWHQRPLQDOHPLQLPDRPDVVLPD

CURRent? [MINimum | MAXimum]&RPDQGRFKHULSRUWDLOOLYHOORGLFRUUHQWHDWWXDOPHQWHSURJUDPPDWRSHUODOLPHQWDWRUHCURR?MAXHCURR? MINLQGLFDQRULVSHWWLYDPHQWHLOOLYHOORGLFRUUHQWHPDVVLPRHPLQLPRSURJUDPPDELOHSHULOUDQJHVHOH]LRQDWR

CURRent:STEP <valore numerico>| DEFault &RPDQGRFKHFRQVHQWHGLLPSRVWDUHOHGLPHQVLRQLGHOSDVVRSHUODSURJUDPPD]LRQHGHOODFRUUHQWHPHGLDQWHLFRPDQGLCURRentUPHCURRentDOWN9HGHUHOHVHPSLRULSRUWDWRDOODSDJLQDVXFFHVVLYD

3HUGHILQLUHOHGLPHQVLRQLGHOSDVVRDOODULVROX]LRQHPLQLPDLPSRVWDUHOHGLPHQVLRQLGHOSDVVRVXDEFault ,QWDOFDVRODULVROX]LRQHPLQLPDGHOOHGLPHQVLRQLGHOSDVVRqSDULDFLUFDP$($P$($P$($P$($P$($DQGP$($ULVSHWWLYDPHQWH,OFRPDQGRCURR:STEP? DEFULSRUWDODULVROX]LRQHPLQLPDGHOORVWUXPHQWR,OOLYHOORGLFRUUHQWHLPPHGLDWRYLHQHDXPHQWDWRRULGRWWRLQEDVHDOYDORUHGHOOHGLPHQVLRQLGHOSDVVR$GHVHPSLRXQDGLPHQVLRQHGHOSDVVRSDULDDXPHQWDRULGXFHODFRUUHQWHGLXVFLWDGLP$&RQ*RSTOHGLPHQVLRQLGHOSDVVRFRUULVSRQGRQRDOYDORUHGHOODULVROX]LRQHPLQLPD

78


4

CURRent:STEP? [DEFault]

&RPDQGRFKHUHVWLWXLVFHLOYDORUHGHOOHGLPHQVLRQLGHOSDVVRDWWXDOPHQWHVSHFLILFDWH,OSDUDPHWURULSRUWDWRFRUULVSRQGHDGXQYDORUHQXPHULFRDEFault IRUQLVFHODULVROX]LRQHPLQLPDGHOOHGLPHQVLRQLGHOSDVVRLQDPSHUH

CURRent:TRIG gered <current>| MINimum | MAXimum &RPDQGRFKHFRQVHQWHGLSURJUDPPDUHLOOLYHOORGLFRUUHQWHLQDWWHVDGLWULJJHU7DOHOLYHOORFRUULVSRQGHDXQYDORUHPHPRUL]]DWRFKHYLHQHWUDVIHULWRDLWHUPLQDOLGXVFLWDTXDQGRVLYHULILFDXQWULJJHU8QOLYHOORLQDWWHVDGLWULJJHUQRQqLQIOXHQ]DWRGDVXFFHVVLYLFRPDQGLCURRent

CURRent:TRIG gered? [MINimum | MAXimum],QWHUURJD]LRQHFKHUHVWLWXLVFHLOYDORUHDWWXDOHSURJUDPPDWRSHULOOLYHOORGLFRUUHQWHVXFXLqVWDWRHIIHWWXDWRLOWULJJHU6HQRQqVWDWRSURJUDPPDWRDOFXQOLYHOORGLWULJJHUOXQLWjULSRUWDLOOLYHOORCURRent

Esempio ,VHJXHQWLVHJPHQWLGLSURJUDPPDLOOXVWUDQROXWLOL]]RGHOFRPDQGRCURRUPRCURRDOWNFKHFRQVHQWRQRGLDXPHQWDUHRGLULGXUUHODWHQVLRQHLQXVFLWDPHGLDQWHLOFRPDQGRCURRSTEP

©©CURRSTEP0.01 ªª Imposta le dimensioni del passo a 0.01 A

©©CURRUPªª Aumenta la corrente in uscita©©CURRSTEP0.02 ªª Imposta le dimensioni del passo a 0,02 A©©CURRDOWNªª Riduce la corrente in uscita

VOLTage <tensione>| MINimum | MAXimum | UP | DOWN&RPDQGRXWLOL]]DWRSHUSURJUDPPDUHLOOLYHOORGLWHQVLRQHLPPHGLDWRGHOODOLPHQWDWRUHFKHFRUULVSRQGHDOYDORUHGHOODWHQVLRQHGHLWHUPLQDOLGXVFLWD,OFRPDQGRVOLTagePRGLILFDOXVFLWDGHOODOLPHQWDWRUHFRQLOQXRYRYDORUHSURJUDPPDWRLQGLSHQGHQWHPHQWHGDOUDQJHDWWXDOPHQWHVHOH]LRQDWRSHUOXVFLWD,QROWUHLOFRPDQGRDXPHQWDRULGXFHLOOLYHOORGLWHQVLRQHLPPHGLDWRWUDPLWHLSDUDPHWULUPRDOWNLQEDVHDXQDTXDQWLWjSUHGHILQLWD/DTXDQWLWjGDDXPHQWDUHRULGXUUHYLHQHLPSRVWDWDPHGLDQWHLOFRPDQGRVOLTage:STEP½LPSRUWDQWHULFRUGDUHFKHXQDQXRYDLPSRVWD]LRQHGLQFUHPHQWRSURYRFDXQHUURUHGHVHFX]LRQH'DWLIXRULUDQJHLQFDVRGLVXSHUDPHQWRGHOODWHQVLRQHQRPLQDOHPLQLPDRPDVVLPD

VOLTage? [MINimum | MAXimum]

,QWHUURJD]LRQHFKHUHVWLWXLVFHLOOLYHOORGLWHQVLRQHDWWXDOPHQWHSURJUDPPDWRSHUODOLPHQWDWRUH

79


VOLTage:STEP <valore numerico> | DEFault &RPDQGRFKHFRQVHQWHGLLPSRVWDUHOHGLPHQVLRQLGHOSDVVRSHUODSURJUDPPD]LRQHGHOODWHQVLRQHFRQLFRPDQGLVOLT UPHVOLT DOWN9HGHUHOHVHPSLRULSRUWDWRGLVHJXLWR3HUGHILQLUHOHGLPHQVLRQLGHOSDVVRDOODULVROX]LRQHPLQLPDLPSRVWDUHOHGLPHQVLRQLGHOSDVVRVXDEFault ,QWDOFDVRODULVROX]LRQHPLQLPDGHOOHGLPHQVLRQLGHOSDVVRqSDULDFLUFDP9($P9($P9($P9($P9($HP9($ULVSHWWLYDPHQWH,OOLYHOORGLWHQVLRQHLPPHGLDWRYLHQHDXPHQWDWRRULGRWWRLQEDVHDOYDORUHGHOOHGLPHQVLRQLGHOSDVVR$GHVHPSLRXQDGLPHQVLRQHGHOSDVVRSDULDDXPHQWDRULGXFHODWHQVLRQHLQXVFLWDGLP9&RQ*RSTOHGLPHQVLRQLGHOSDVVRFRUULVSRQGRQRDOYDORUHGHOODULVROX]LRQHPLQLPD

VOLTage:STEP? DEFault,QWHUURJD]LRQHFKHUHVWLWXLVFHLOYDORUHGHOOHGLPHQVLRQLGHOSDVVRDWWXDOPHQWHVSHFLILFDWH,OSDUDPHWURULSRUWDWRFRUULVSRQGHDGXQYDORUHQXPHULFRDEFault IRUQLVFHODULVROX]LRQHPLQLPDGHOOHGLPHQVLRQLGHOSDVVRLQYROW

Esempio ,VHJXHQWLVHJPHQWLGLSURJUDPPDLOOXVWUDQROXWLOL]]RGHOFRPDQGRVOLT UPRVOLT DOWNFKHFRQVHQWRQRGLDXPHQWDUHRGLULGXUUHODWHQVLRQHLQXVFLWDPHGLDQWHLOFRPDQGRVOLT:STEP

©©VOLT:STEP 0.01 ªª Imposta le dimensioni del passo su 0,01 V©©VOLT UPªª Aumenta la tensione in uscita©©VOLT:STEP 0.02 ªª Imposta le dimensioni del passo su 0,02 V©©VOLT DOWNªª Riduce la tensione in uscita

VOLTage:TRIGgered <tensione>| MINimum | MAXimum&RPDQGRFKHFRQVHQWHGLSURJUDPPDUHLOOLYHOORGLWHQVLRQHLQDWWHVDGLWULJJHU7DOHOLYHOORFRUULVSRQGHDXQYDORUHPHPRUL]]DWRFKHYLHQHWUDVIHULWRDLWHUPLQDOLGXVFLWDTXDQGRVLYHULILFDXQWULJJHU8QOLYHOORLQDWWHVDGLWULJJHUQRQqLQIOXHQ]DWRGDLVXFFHVVLYLFRPDQGLVOLTage

VOLTage:TRIGgered? [MINimum | MAXimum]&RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHLOYDORUHDWWXDOHSURJUDPPDWRSHULOOLYHOORGLWHQVLRQHVXFXLqVWDWRHIIHWWXDWRLOWULJJHU6HQRQqVWDWRSURJUDPPDWRDOFXQOLYHOORGLWULJJHUOXQLWjULSRUWDLOOLYHOORVOLT

VOLTage:PROTection <tensione>|MINimum|MAXimum&RPDQGRFKHFRQVHQWHGLLPSRVWDUHLOOLYHOORGLWHQVLRQHDFXLIDUVFDWWDUHLOFLUFXLWRGLSURWH]LRQHGDVRYUDWHQVLRQH2936HODWHQVLRQHGLSLFFRDOOXVFLWDVXSHUDLOOLYHOOR293OXVFLWDYLHQHPHVVDLQFRUWRFLUFXLWRGDXQ6&5LQWHUQR,OFRPDQGRVOLT:PROT:CLEFRQVHQWHGLD]]HUDUHXQDFRQGL]LRQHGLVRYUDWHQVLRQHXQDYROWDULPRVVHOHFDXVHFKHKDQQRIDWWRVFDWWDUHO293

80


4

VOLTage:PROTection? [MINimum | MAXimum]&RPDQGRGLQWHUURJD]LRQHFKHULWRUQDLOOLYHOORGLVFDWWRGHOODSURWH]LRQHGDVRYUDWHQVLRQHDWWXDOPHQWHSURJUDPPDWR

VOLTage:PROTection:STATe 0 | 1 | OFF | ON&RPDQGRFKHFRQVHQWHGLDELOLWDUHRGLVDELOLWDUHODIXQ]LRQHGLSURWH]LRQHGD

VRYUDWHQVLRQHGHOODOLPHQWDWRUH&RQ*RSTTXHVWRYDORUHYLHQHLPSRVWDWRVX21

VOLTage:PROTection:STATe?&RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHORVWDWRGHOODIXQ]LRQHGLSURWH]LRQHGDVRYUDWHQVLRQH2))R21

VOLTage:PROTection:TRIPped?&RPDQGRFKHUHVWLWXLVFHTXDQGRLOFLUFXLWRGLSURWH]LRQHGDVRYUDWHQVLRQHqVFDWWDWRPDQRQqVWDWRD]]HUDWRHLQFDVRFRQWUDULR

VOLTage:PROTection:CLEar&RPDQGRFKHFRQVHQWHGLD]]HUDUHLOFLUFXLWRGLSURWH]LRQHGDVRYUDWHQVLRQH'RSROHVHFX]LRQHGLTXHVWRFRPDQGRODWHQVLRQHGXVFLWDYLHQHULSRUWDWDDOORVWDWROLYHOORSUHFHGHQWHORVFDWWRGHOFLUFXLWRGLSURWH]LRQHPDLOOLYHOORGLVFDWWR293FRQVHUYDLOYDORUHDWWXDOPHQWHSURJUDPPDWR3ULPDGLLQYLDUHTXHVWRFRPDQGRDEEDVVDUHODWHQVLRQHGXVFLWDDXQYDORUHLQIHULRUHDOSXQWRGLVFDWWR293RSSXUHDXPHQWDUHLOOLYHOORGLVFDWWRDXQYDORUHVXSHULRUHDTXHOORLPSRVWDWRSHUOXVFLWD3ULPDGLHVHJXLUHTXHVWRFRPDQGRqQHFHVVDULRULPXRYHUHODFRQGL]LRQHGLVRYUDWHQVLRQHSURYRFDWDGDXQDVRUJHQWHHVWHUQD

VOLTage:RANGe P8V* | P20V* | P35V** | P60V** | LOW | HIGH&RPDQGRFKHFRQVHQWHGLVHOH]LRQDUHOLQGLFDWRUHFRQFXLSURJUDPPDUHLOUDQJHGXVFLWD$GHVHPSLR©©39ªªR©©+,*+ªªqOLQGLFDWRUHSHULOUDQJH9$H©©39ªªR©©/2:ªªSHULOUDQJH9$SHULOPRGHOOR($&RQ*RSTTXHVWLYDORULVRQRLPSRVWDWLSHUODVHOH]LRQHGHOUDQJHDEDVVDWHQVLRQH

VOLTage:RANGe?&RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHLOUDQJHDWWXDOPHQWHVHOH]LRQDWR,SDUDPHWULULSRUWDWLVRQRULVSHWWLYDPHQWH©©39ªªR©©39ªªSHULOUDQJHDEDVVDWHQVLRQHRSSXUH©©39ªªR©©39ªªSHULOUDQJHDGDOWDWHQVLRQH

MEASure:CURRent? &RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHODFRUUHQWHPLVXUDWDDWWUDYHUVRODUHVLVWHQ]DGLULOHYDPHQWRGHOODFRUUHQWHDOOLQWHUQRGHOODOLPHQWDWRUH

MEASure[:VOLTa ge]?&RPDQGRGLQWHUURJD]LRQHFKHULWRUQDODWHQVLRQHPLVXUDWDDLWHUPLQDOLGLULOHYDPHQWRGHOODOLPHQWDWRUH

* Per i modelli E3640A/42A/44A **Per i modelli E3641A/43A/45A

81

Capitolo 4 Interfaccia remotaTriggerin g

Triggering

4XDQGRULFHYHXQWULJJHULOVLVWHPDGLWULJJHULQJGHOODOLPHQWDWRUHFRQVHQWHGHOOHYDULD]LRQLGLWHQVLRQHHFRUUHQWHHUHQGHSRVVLELOHODVHOH]LRQHGLXQRULJLQHWULJJHUHOLQVHULPHQWRGLXQWULJJHU,OWULJJHULQJGHOODOLPHQWDWRUHqXQSURFHVVRLQSLIDVL

,QSULPROXRJRqQHFHVVDULRVSHFLILFDUHODVRUJHQWHGDOODTXDOHODOLPHQWDWRUHDFFHWWHUjLOWULJJHU/DOLPHQWDWRUHDFFHWWHUjXQWULJJHUEXVVRIWZDUHRXQWULJJHULPPHGLDWRGDOOLQWHUIDFFLDUHPRWD

4XLQGLqSRVVLELOHLPSRVWDUHLOULWDUGRWUDLOULOHYDPHQWRGHOWULJJHUVXOODIRQWHWULJJHUVSHFLILFDWDHOLQL]LRGLTXDOVLDVLYDULD]LRQHGLXVFLWDFRUULVSRQGHQWHSi osservi che il ritardo è valido solo per la fonte del trigger bus.

,QILQHqQHFHVVDULRLQYLDUHXQFRPDQGRINITiate 6HYLHQHVHOH]LRQDWDODIRQWHIMMediate OXVFLWDYLHQHVHOH]LRQDWDLPPHGLDWDPHQWHVXOOLYHOORDOTXDOHqVWDWRHIIHWWXDWRLOWULJJHU0DVHODIRQWHWULJJHUqEXVODOLPHQWDWRUHYLHQHLPSRVWDWRVXOOLYHOORDOTXDOHqVWDWRHIIHWWXDWRLOWULJJHUGRSRDYHUULFHYXWRLO*URXS([HFXWH7ULJJHU*(7RLOFRPDQGR*TRG

Opzioni della fonte di trigger½QHFHVVDULRVSHFLILFDUHODIRQWHGDOODTXDOHODOLPHQWDWRUHDFFHWWHUjXQWULJJHU,OWULJJHUYLHQHPHPRUL]]DWRQHOODPHPRULDYRODWLOHODIRQWHYLHQHLPSRVWDWDVXEXVXQDYROWDVSHQWRODOLPHQWDWRUHRGRSRXQUHVHWGHOOLQWHUIDFFLDUHPRWD

Triggering bus (Software) 3HUVFHJOLHUHFRPHIRQWHLOWULJJHUEXVLQYLDUHLOFRPDQGRVHJXHQWH

©©TRIG:SOUR BUSªª

3HUHIIHWWXDUHLOWULJJHUGHOODOLPHQWDWRUHGDOOLQWHUIDFFLDUHPRWD*3,%R56GRSRDYHUVHOH]LRQDWRORULJLQHEXVLQYLDUHLOFRPDQGR*TRGWULJJHU8QDYROWDLQYLDWRLOFRPDQGR*TRGOHYHQWRGLWULJJHUDYUjLQL]LRGRSRLOULWDUGRVSHFLILFDWRVHHVLVWHXQULWDUGR

½DQFKHSRVVLELOHHIIHWWXDUHLOWULJJHUGHOODOLPHQWDWRUHGDOOLQWHUIDFFLD*3,%LQYLDQGRLOPHVVDJJLR,(((*URXS([HFXWH7ULJJHU*(7/LVWUX]LRQHLQGLFDWDTXLGLVHJXLWRLOOXVWUDODSURFHGXUDSHULQYLDUHXQ*(7GDXQFRQWUROOHU+HZOHWW3DFNDUG

©©TRIGGER 705 ªªJURXSH[HFXWHWULJJHU

82


4

3HUJDUDQWLUHODVLQFURQL]]D]LRQHTXDQGRYLHQHVHOH]LRQDWDODIRQWHEXVLQYLDUHLOFRPDQGR*WAI ZDLWDWWHQGL8QDYROWDHVHJXLWRLOFRPDQGR*WAI ODOLPHQWDWRUHDWWHQGHUjFKHWXWWHOHRSHUD]LRQLLQDWWHVDVLDQRFRPSOHWDWHSULPDHVHJXLUHTXDOVLDVLDOWURFRPDQGR$GHVHPSLRODVWULQJDGLFRPDQGRULSRUWDWDGLVHJXLWRDVVLFXUDFKHLOSULPRWULJJHUYHQJDDFFHWWDWRHGHVHJXLWRSULPDFKHYHQJDULFRQRVFLXWRLOVHFRQGRWULJJHU

©©TRIG:SOUR BUS;*TRG;*WAI;*TRG;*WAI ªª

½SRVVLELOHXWLOL]]DUHLOFRPDQGR*OPC?2SHUDWLRQFRPSOHWHTXHU\,QWHUURJD]LRQHRSHUD]LRQHFRPSOHWDWDRLOFRPDQGR*OPC2SHUDWLRQFRPSOHWH2SHUD]LRQHFRPSOHWDWDSHUVHJQDODUHLOFRPSOHWDPHQWRGHOORSHUD]LRQH,OFRPDQGR*OPC?ULSRUWDDOEXIIHUGLXVFLWDTXDQGRORSHUD]LRQHqVWDWDFRPSOHWDWD,OFRPDQGR*OPCDWWLYDLOELW23&ELWQHOUHJLVWURGHJOLHYHQWLVWDQGDUGDGRSHUD]LRQHFRPSOHWDWD

Triggering immediato 3HUVHOH]LRQDUHODIRQWHGLWULJJHULPPHGLDWDLQYLDUHLOFRPDQGRVHJXHQWH

©©TRIG:SOUR IMMªª

4XDQGRYLHQHVHOH]LRQDWRIMMediate FRPHIRQWHGLWULJJHUXQFRPDQGRINITiate WUDVIHULUjLPPHGLDWDPHQWHLOYDORUHVOLT:TRIG RCURR:TRIGDOYDORUHVOLTRCURR4XDOVLDVLULWDUGRYHUUjLJQRUDWR

83


Comandi di triggering

INITiate,OFRPDQGRDYYLDLOVLVWHPDGLWULJJHUFRPSOHWDQGROLQWHURFLFORGHOWULJJHUTXDQGRODIRQWHGLWULJJHUqLPPHGLDWDHDYYLDQGRLOVRWWRVLVWHPDGLWULJJHUTXDQGRqGLWLSREXV

TRIGger:DELa y <secondi>| MINimum | MAXimum&RPDQGRFKHFRQVHQWHGLLPSRVWDUHLOULWDUGRWUDLOULOHYDPHQWRGLXQHYHQWRWULJJHUVXOODIRQWHGLWULJJHUVSHFLILFDWDHOLQL]LRGLTXDOVLDVLYDULD]LRQHGLXVFLWDQHOODOLPHQWDWRUHFRUULVSRQGHQWH6HOH]LRQDUHGDDVHFRQGLMIN VHFRQGLMAX VHFRQGL&RQ*RSTTXHVWRYDORUHYLHQHLPSRVWDWRDVHFRQGL

TRIGger:DELa y?[MINimum | MAXimum]4XHVWRFRPDQGRULFKLHGHLOULWDUGRGHOWULJJHU

TRIGger:SOURce BUS | IMMediate4XHVWRFRPDQGRVHOH]LRQDODIRQWHGDFXLODOLPHQWDWRUHDFFHWWHUjLOWULJJHU/DOLPHQWDWRUHDFFHWWHUjXQWULJJHUEXVVRIWZDUHRXQWULJJHULQWHUQRLPPHGLDWR&RQ*RSTYLHQHVHOH]LRQDWDODIRQWHGLWULJJHUEXV

TRIGger:SOURce?&RPDQGRGLQWHUURJD]LRQHFKHULFKLHGHODIRQWHGLWULJJHUFRUUHQWH5HVWLWXLVFH©©%86ªªR©©,00ªª

*TRG&RPDQGRFKHJHQHUDXQWULJJHUQHOVRWWRVLVWHPDGLWULJJHUFKHKDVHOH]LRQDWRFRPHSURSULDIRQWHXQWULJJHUEXVVRIWZDUH(TRIG:SOUR BUS) ,OFRPDQGRKDORVWHVVRHIIHWWRGHOFRPDQGR*URXS([HFXWH7ULJJHU*(73HULOIXQ]LRQDPHQWRGHOO56DVVLFXUDUVLFKHODOLPHQWDWRUHVLDLQPRGDOLWjLQWHUIDFFLDUHPRWDLQYLDQGRLQQDQ]LWXWWRLOFRPDQGRSYST:REM

84

Capitolo 4 Interfaccia remotaComandi di sistema

4

Comandi di sistema

DISPlay OFF | ON4XHVWRFRPDQGRFRQVHQWHGLDFFHQGHUHRVSHJQHUHLOGLVSOD\GHOSDQQHOORIURQWDOH4XDQGRLOGLVSOD\YLHQHVSHQWRQRQULFHYHXVFLWDHYHQJRQRGLVDELOLWDWLWXWWLJOLLQGLFDWRULWUDQQHOLQGLFDWRUHERROR/RVWDWRGHOGLVSOD\SDVVDDXWRPDWLFDPHQWHDOODFFHQVLRQHTXDQGRVLULWRUQDDOODPRGDOLWjORFDOH3UHPHUHLOWDVWR Local SHUWRUQDUHDOORVWDWRORFDOHGDOOLQWHUIDFFLDUHPRWD

DISPlay?&RPDQGRGLQWHUURJD]LRQHFKHULSRUWDOLPSRVWD]LRQHGHOGLVSOD\GHOSDQQHOORIURQWDOH2))R21

DISPlay:TEXT <stringa tra virgolette>4XHVWRFRPDQGRYLVXDOL]]DXQPHVVDJJLRVXOSDQQHOORIURQWDOH/DOLPHQWDWRUHq

LQJUDGRGLYLVXDOL]]DUHVXOSDQQHOORIURQWDOHXQPHVVDJJLRGHOODOXQJKH]]D

PDVVLPDGLFDUDWWHULJOLHYHQWXDOLFDUDWWHULVXFFHVVLYLDOOªXQGLFHVLPRVDUDQQR

HOLPLQDWL/HYLUJROHLSXQWLHLSXQWRHYLUJRODRFFXSDQRVXOGLVSOD\ORVWHVVR

VSD]LRGHOFDUDWWHUHFKHOLSUHFHGHHQRQVRQRFRQVLGHUDWLFDUDWWHULDXWRQRPL

DISPlay:TEXT?&RPDQGRGLQWHUURJD]LRQHFKHULFKLHGHLOPHVVDJJLRLQYLDWRDOSDQQHOORIURQWDOHHUHVWLWXLVFHXQDVWULQJDUDFFKLXVDIUDYLUJROHWWH

DISPlay:TEXT:CLEar,OFRPDQGRFRQVHQWHGLFDQFHOODUHLOPHVVDJJLRYLVXDOL]]DWRVXOSDQQHOORIURQWDOH

OUTPut OFF | ON&RPDQGRFKHFRQVHQWHGLDELOLWDUHRGLVDELOLWDUHOXVFLWDGHOODOLPHQWDWRUH4XDQGROXVFLWDqGLVDELOLWDWDLOYDORUHGHOODWHQVLRQHqSDULD9HTXHOORGHOODFRUUHQWHqSDULDP$&RQ*RSTORVWDWRGHOOXVFLWDq2))

OUTPut?&RPDQGRGLQWHUURJD]LRQHFKHULSRUWDORVWDWRGHOOXVFLWDGHOODOLPHQWDWRUH2))R21

OUTPut:RELa y OFF | ON&RPDQGRFKHFRQVHQWHGLLPSRVWDUHORVWDWRGLGXHVHJQDOL77/VXLSLQHGHOFRQQHWWRUH567DOLVHJQDOLVRQRGLVSRQLELOLFRQXQUHOqHVWHUQRHXQGULYHUGL

UHOq&RQ*RSTORVWDWRGLOUTPut:RELay q2))9HGHUH©©'LVDELOLWD]LRQH

GHOOªXVFLWDWUDPLWHUHOpHVWHUQRªªDSDJLQDSHUXOWHULRULLQIRUPD]LRQL

Store

Local

85


N o t a Non utilizzare l'interfaccia RS-232 se l'alimentatore è stato configurato per fornire segnali di controllo da relè. I componenti interni della circuiteria RS-232 potrebbero essere danneggiati.

OUTPut:RELa y?,OFRPDQGRULSRUWDORVWDWRGHLVHJQDOLORJLFL77/GHOUHOq

SYSTem:BEEPer,OFRPDQGRHPHWWHLPPHGLDWDPHQWHXQVLQJRORVHJQDOHDFXVWLFR

SYSTem:ERRor?&RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHODFRGDGHJOLHUURULGHOODOLPHQWDWRUH1HOODFRGDGHJOLHUURULqSRVVLELOHPHPRUL]]DUHILQRDHUURUL*OLHUURULYHQJRQRULFKLDPDWLVHFRQGRORUGLQH),)2ILUVW,Q)LUVW2XWYDOHDGLUHLOSULPRHUURUHUHVWLWXLWRqLOSULPRDGHVVHUHVWDWRPHPRUL]]DWR8QDYROWDOHWWLWXWWLJOLHUURULSUHVHQWLLQFRGDOLQGLFDWRUHERRORVLVSHJQHHJOLHUURULYHQJRQRULPRVVL9HGHUH©©0HVVDJJLGLHUURUHªªDSDUWLUHGDSDJLQDSHUXOWHULRULGHWWDJOL

SYSTem:VERSion?&RPDQGRFKHLQWHUURJDODOLPHQWDWRUHULJXDUGRDOODYHUVLRQH6&3,DWWXDOH,OYDORUHULSRUWDWRqXQDVWULQJDGHOWLSR$$$$9GRYHOH$FRUULVSRQGRQRDOODQQRGHOODYHUVLRQHHOD9DOQXPHURGLYHUVLRQHUHODWLYRDWDOHDQQRDGHVHPSLR

SYSTem:COMMunicate:GPIB:RDEVice:ADDRess <valore numerico>:ADDRess?

,PSRVWDRLQWHUURJDOªLQGLUL]]REXVGHOODSHULIHULFD/DPRGLILFDGHOOªLQGLUL]]RQRQFRPSRUWDODPRGLILFDGHOOªLQGLUL]]RGHOODSHULIHULFDPDGHOOªLQGLUL]]RDFXLORVWUXPHQWRLQYLDLGDWL

*IDN?&RPDQGRGLQWHUURJD]LRQHFKHOHJJHODVWULQJDGLLGHQWLILFD]LRQHGHOODOLPHQWDWRUH/DOLPHQWDWRUHULSRUWDTXDWWURFDPSLVHSDUDWLGDYLUJROHLOSULPRFDPSRqLOQRPHGHOSURGXWWRUHLOVHFRQGRqLOQXPHURGHOPRGHOORLOWHU]RQRQYLHQHXWLOL]]DWRVHPSUHPHQWUHLOTXDUWRFDPSRqXQFRGLFHGLUHYLVLRQHFRPSRVWRGDWUHQXPHUL6LWUDWWDGHLQXPHULGLYHUVLRQHGHOILUPZDUH4XHVWLULJXDUGDQRULVSHWWLYDPHQWHLOSURFHVVRUHGHOOªDOLPHQWDWRUHSULQFLSDOHLOSURFHVVRUHGLLQJUHVVRXVFLWDHLOSURFHVVRUHGHOSDQQHOORIURQWDOH

,OFRPDQGRUHVWLWXLVFHXQDVWULQJDQHOVHJXHQWHIRUPDWRDVVLFXUDUVLGLGLPHQVLRQDUHXQDYDULDELOHGLVWULQJDFRQDOPHQRFDUDWWHUL

Agilent Technologies,E3640A,0,X.X-Y.Y-Z.Z PRGHOOR($

86


4

*TST?&RPDQGRGLQWHUURJD]LRQHFKHHVHJXHXQWHVWDXWRPDWLFRFRPSOHWRGHOODOLPHQWDWRUHULSRUWDQGRVHLOWHVWKDHVLWRSRVLWLYRRSSXUHRTXDOVLDVLYDORUHGLYHUVRGD]HURVHLOWHVWKDHVLWRQHJDWLYR,QTXHVWXOWLPRFDVRYLHQHDQFKHJHQHUDWRXQPHVVDJJLRGLHUURUHFKHIRUQLVFHLQIRUPD]LRQLVXOOHFDXVHGHOOHVLWRQHJDWLYRGHOWHVW

*RST4XHVWRFRPDQGRULSULVWLQDORVWDWRGLDFFHQVLRQHGHOODOLPHQWDWRUH1HOODWDEHOODULSRUWDWDGLVHJXLWRYLHQHLQGLFDWRORVWDWRGHOOªDOLPHQWDWRUHGRSRXQRESETGDOPHQX5HFDOORGRSRLOFRPDQGR*RSTGDOOªLQWHUIDFFLDUHPRWD

1RWDOHGLPHQVLRQLGHOSDVVRGLWHQVLRQHHFRUUHQWHVRSUDHOHQFDWHVRQRYDORULWLSLFL

Comando stato di E3640A

stato di E3641A

stato di E3642A

stato di E3643A

stato di E3644A

stato di E3645A

CURR 3 A 0.8 A 5 A 1.4 A 8 A 2.2 A

CURR:STEP 0.052 mA 0.015 mA 0.095 mA 0.026 mA 0.152 mA 0.042 mA

CURR:TRIG 3 A 0.8 A 5 A 1.4 A 8 A 2.2 A

DISP ON ON

OUTP OFF OFF

OUTP:REL OFF OFF

TRIG:DEL 0 0

TRIG:SOUR BUS BUS

VOLT 0 V 0 V

VOLT:STEP 0.35 mV 1.14 mV 0.38 mV 1.14 mV 0.35 mV 1.14 mV

VOLT:TRIG 0 V 0 V 0 V 0 V

VOLT:PROT 22.0 V 66.0 V 22.0 V 66.0 V 22.0 V 66.0 V

VOLT:PROT:STAT ON ON

VOLT:RANG P8V (Low) P35V (Low) P8V (Low) P35V (Low) P8V (Low) P35V (Low)

87

Capitolo 4 Interfaccia remotaComandi per la memorizzazione de gli stati

Comandi per la memorizzazione degli stati

3HUODPHPRUL]]D]LRQHGHJOLVWDWLGHOOªDOLPHQWDWRUHVRQRGLVSRQLELOLFLQTXHORFD]LRQLGLPHPRUL]]D]LRQHQHOODPHPRULDQRQYRODWLOH/HORFD]LRQLVRQRQXPHUDWHGDD½DQFKHSRVVLELOHDVVHJQDUHXQQRPHDFLDVFXQDORFD]LRQHGDDSHUOªXWLOL]]RGDOSDQQHOORIURQWDOH

*SAV 1 | 2 | 3 | 4 | 5 &RQVHQWHGLPHPRUL]]DUHORVWDWRFRUUHQWHGHOOªDOLPHQWDWRUHQHOODORFD]LRQHVSHFLILFDWD4XDOVLDVLVWDWRSUHFHGHQWHPHQWHPHPRUL]]DWRQHOODVWHVVDORFD]LRQHYHUUjVRYUDVFULWWRQRQYLHQHJHQHUDWRDOFXQHUURUH ,OULSULVWLQRGHOORVWDWRGLDFFHQVLRQHFRPDQGR*RSTQRQLQIOXLVFHVXOOH

FRQILJXUD]LRQLPHPRUL]]DWH8QDYROWDPHPRUL]]DWRXQRVWDWRULPDQHWDOHILQRDTXDQGRQRQYLHQHVRYUDVFULWWRRFDQFHOODWR

/DIXQ]LRQDOLWjGLPHPRUL]]D]LRQHGLVWDWRFRQVHUYDLQPHPRULDJOLVWDWLRLYDORULGHLVHJXHQWLFRPDQGLCURR, CURR:STEP, CURR:TRIG, OUTP, OUTP:REL, TRIG:DEL, TRIG:SOUR, VOLT, VOLT:STEP, VOLT:TRIG, VOLT:PROT, VOLT:PROT:STAT, H VOLT:RANG

*RCL 1 | 2 | 3 | 4 | 5 5LFKLDPDORVWDWRGHOOªDOLPHQWDWRUHPHPRUL]]DWRQHOODORFD]LRQHGLPHPRUL]]D]LRQHVSHFLILFDWD,QEDVHDOOªLPSRVWD]LRQHGLIDEEULFDOHORFD]LRQLGLPHPRULDGD©©ªªD©©ªªVRQRYXRWH1RWD LOFRPDQGRDISP OFF|ON `SXzHVVHUHPHPRUL]]DWRHULFKLDPDWRVRORPHGLDQWHOªLQWHUIDFFLDUHPRWD4XDQGRVLULWRUQDDOODPRGDOLWjORFDOHORVWDWRGHOGLVSOD\SDVVDDXWRPDWLFDPHQWHD21

MEMory:STATe:NAME 1 | 2 | 3 | 4 | 5 , <nome tra virgolette>:NAME? 1 | 2 | 3 | 4 | 5

&RQVHQWHGLDVVHJQDUHXQQRPHDOODORFD]LRQHGLPHPRUL]]D]LRQHVSHFLILFDWD'DOOªLQWHUIDFFLDUHPRWDqSRVVLELOHULFKLDPDUHVRORXQRVWDWRPHPRUL]]DWRPHGLDQWHXQQXPHURGDD/ªLQWHUURJD]LRQH:NAME?UHVWLWXLVFHXQDVWULQJDWUDYLUJROHWWHFRQWHQHQWHLOQRPHDWWXDOPHQWHDVVHJQDWRDOODORFD]LRQHGLPHPRUL]]D]LRQHVSHFLILFDWD6HDOODORFD]LRQHVSHFLILFDWDQRQqVWDWRDVVHJQDWRDOFXQQRPHYHUUjUHVWLWXLWDXQDVWULQJDYXRWD©©ªª,OQRPHSXzFRQWHQHUHXQPDVVLPRGLFDUDWWHUL,OSULPRFDUDWWHUHSXzHVVHUHXQFDUDWWHUHDOIDQXPHULFR1RQqFRQVHQWLWROªXWLOL]]RGLVSD]LYXRWL6HVLVSHFLIFDXQQRPHFRQSLGLFDUDWWHULYLHQHJHQHUDWRXQHUURUH9HGHUH©©0HPRUL]]D]LRQHGL6WDWRªªDSDJLQDSHUXOWHULRULLQIRUPD]LRQL'LVHJXLWRqULSRUWDWRXQHVHPSLR

©©MEM:STATE:NAME 1, ‘P15V_TEST’ ªª6HQRQYLHQHVSHFLILFDWRDOFXQQRPHWDOHSDUDPHWURqLQIDWWLIDFROWDWLYRDOORVWDWRQRQYHUUjDVVHJQDWRDOFXQQRPH4XHVWDSURFHGXUDRIIUHXQPHWRGRSHUFDQFHOODUHXQQRPHPDORVWDWRPHPRUL]]DWRQRQYHUUjFDQFHOODWR

88

Capitolo 4 Interfaccia remotaComandi di calibrazione

4

Comandi di calibrazione

9HGHUH©©&HQQLSUHOLPLQDULVXOODFDOLEUD]LRQHªªDSDUWLUHGDSDJLQDSHUXQDSDQRUDPLFDVXOOHIXQ]LRQLGLFDOLEUD]LRQHGHOODOLPHQWDWRUH$SDJLQD qULSRUWDWRXQSURJUDPPDGLHVHPSLRSHUODFDOLEUD]LRQH3HULQIRUPD]LRQLGHWWDJOLDWHVXOOHSURFHGXUHGLFDOLEUD]LRQHFRQVXOWDUHOH,QIRUPD]LRQLVXOOªDVVLVWHQ]D

N o t a NON impostare OVP sullo stato ON durante la calibrazione dell'alimentatore, al fine di impedire l'attivazione di questa funzione.

CALibration:COUNt?&RPDQGRGLQWHUURJD]LRQHFKHULFKLHGHDOODOLPHQWDWRUHGLFDOFRODUHLOQXPHURGLYROWHLQFXLqVWDWRFDOLEUDWR/DOLPHQWDWRUHqVWDWRFDOLEUDWRSULPDGLODVFLDUHODIDEEULFD$OPRPHQWRGHOODFTXLVWROHJJHUHLOFRQWHJJLRSHUGHWHUPLQDUHLOVXRYDORUHLQL]LDOH3RLFKpLOYDORUHDXPHQWDGLSHURJQLSXQWRGLFDOLEUD]LRQHXQDFDOLEUD]LRQHFRPSOHWDIDDXPHQWDUHLOYDORUHGLSXQWL

CALibration:CURRent[:DATA] <valore numerico>½SRVVLELOHXWLOL]]DUHLOFRPDQGRVRORVHODSURWH]LRQHGHOODFDOLEUD]LRQHqGLVDWWLYDWDHORVWDWRGHOOXVFLWDq219LHQHLPPHVVRXQYDORUHGHOODFRUUHQWHRWWHQXWRGDOODOHWWXUDGLXQLQGLFDWRUHHVWHUQR½QHFHVVDULRVHOH]LRQDUHLOOLYHOORGLFDOLEUD]LRQHPLQLPRCAL:CURR:LEV MIN SHULOYDORUHGDLPPHWWHUH4XLQGLqQHFHVVDULRVHOH]LRQDUHLOLYHOOLGLFDOLEUD]LRQHPHGLRHPDVVLPRCAL:CURR:LEV MID HCAL:CURR:LEV MAX½QHFHVVDULRVHOH]LRQDUHHLPPHWWHUHWUHYDORULFRQVHFXWLYLSHUFKpODOLPHQWDWRUHSRVVDFDOFRODUHOHQXRYHFRVWDQWLGLFDOLEUD]LRQHHVDOYDUOHQHOODPHPRULDQRQYRODWLOH

CALibration:CURRent:LEVel MINimum | MIDdle | MAXimum½SRVVLELOHXWLOL]]DUHLOFRPDQGRVRORVHODSURWH]LRQHGHOODFDOLEUD]LRQHqGLVDWWLYDWDHORVWDWRGHOOXVFLWDq214XHVWRFRPDQGRLPSRVWDODOLPHQWDWRUHVXXQSXQWRGLFDOLEUD]LRQHLPPHVVRFRQLOFRPDQGRCAL:CURR'XUDQWHODFDOLEUD]LRQHGHYRQRHVVHUHLPPHVVLWUHSXQWLHTXHOORSLEDVVR0,1GHYHHVVHUHVHOH]LRQDWRHLPPHVVRSHUSULPR

CALibration:SECure:CODE <nuovo codice tra virgolette>,OFRPDQGRLPPHWWHXQQXRYRFRGLFHGLVLFXUH]]D3HUPRGLILFDUHLOFRGLFHGLVLFXUH]]DGLVDWWLYDUHSULPDODSURWH]LRQHGHOODOLPHQWDWRUHXWLOL]]DQGRLOYHFFKLRFRGLFHGLVLFXUH]]D4XLQGLLPPHWWHUHLOQXRYRFRGLFH,OFRGLFHGLFDOLEUD]LRQHSXzFRQWHQHUHILQRDFDUDWWHULVXOOLQWHUIDFFLDUHPRWD9HGHUH§&HQQLSUHOLPLQDULVXOODFDOLEUD]LRQH¨DSDJLQDSHUXOWHULRULLQIRUPD]LRQL

89


CALibration:SECure:STATe OFF | ON, <codice tra virgolette>,OFRPDQGRDWWLYDHGLVDWWLYDODSURWH]LRQHGHOODOLPHQWDWRUHSHUODFDOLEUD]LRQH

CALibration:SECure:STATe?&RPDQGRGLQWHUURJD]LRQHFKHUHVWLWXLVFHORVWDWRGLSURWH]LRQHSHUODFDOLEUD]LRQHGHOODOLPHQWDWRUH,OSDUDPHWURUHVWLWXLWRq2))R21

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CALibration:VOLTa ge[:DATA] <valore numerico>½SRVVLELOHXWLOL]]DUHLOFRPDQGRVRORVHODSURWH]LRQHGHOODFDOLEUD]LRQHqGLVDWWLYDWDHORVWDWRGHOOXVFLWDq21(VVRLPPHWWHXQYDORUHGHOODWHQVLRQHRWWHQXWRGDOODOHWWXUDGLXQLQGLFDWRUHHVWHUQR½QHFHVVDULRLQSULPROXRJRVHOH]LRQDUHLOOLYHOORGLFDOLEUD]LRQHPLQLPRCAL:VOLT:LEV MIN SHULOYDORUHGDLPPHWWHUH4XLQGLVHOH]LRQDUHLOLYHOOLGLFDOLEUD]LRQHPHGLRHPDVVLPRCAL:VOLT:LEV MID HCAL:VOLT:LEV MAX ½QHFHVVDULRVHOH]LRQDUHHLPPHWWHUHWUHYDORULFRQVHFXWLYLSHUFKpODOLPHQWDWRUHSRVVDFDOFRODUHOHQXRYHFRVWDQWLGLFDOLEUD]LRQHHPHPRUL]]DUOHQHOODPHPRULDQRQYRODWLOH

CALibration:VOLTa ge:LEVel MINimum | MIDdle | MAXimum½SRVVLELOHXWLOL]]DUHLOFRPDQGRVRORVHODSURWH]LRQHGHOODFDOLEUD]LRQHqGLVDWWLYDWDHORVWDWRGHOOXVFLWDq214XHVWRFRPDQGRLPSRVWDODOLPHQWDWRUHVXXQSXQWRGLFDOLEUD]LRQHLPPHVVRFRQLOFRPDQGRCAL:VOLT'XUDQWHODFDOLEUD]LRQHGHYRQRHVVHUHLPPHVVLWUHSXQWLHTXHOORSLEDVVR0,1GHYHHVVHUHVHOH]LRQDWRHLPPHVVRSHUSULPR

CALibration:VOLTa ge:PROTection,OFRPDQGRFDOLEUDLOFLUFXLWRGLSURWH]LRQHGDVRYUDWHQVLRQHGHOODOLPHQWDWRUH/HVHFX]LRQHGHOFRPDQGRULFKLHGHFLUFDVHFRQGL'LVDWWLYDUHODSURWH]LRQHGHOODFDOLEUD]LRQHHPHWWHUHOXVFLWDLQFRUWRFLUFXLWRSULPDGLXWLOL]]DUHTXHVWRFRPDQGR/DOLPHQWDWRUHHVHJXUjDXWRPDWLFDPHQWHODFDOLEUD]LRQHHPHPRUL]]HUjODQXRYDFRVWDQWHGLVRYUDWHQVLRQHQHOODPHPRULDQRQYRODWLOH/DFDOLEUD]LRQHGHOODWHQVLRQHGHYHHVVHUHHVHJXLWDSULPDGHOOLQYLRGLTXHVWRFRPDQGR

90


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91

Capitolo 4 Interfaccia remotaComandi per la confi gurazione dell’interfaccia

Comandi per la configurazione dell’interfaccia

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92

Capitolo 4 Interfaccia remotaI registri di stato SCPI

4

I registri di stato SCPI

7XWWLJOLVWUXPHQWL6&3,LPSOHPHQWDQRLUHJLVWULGLVWDWRDOORVWHVVRPRGR,OVLVWHPDGLVWDWRUHJLVWUDGLYHUVHFRQGL]LRQLGHJOLVWUXPHQWLLQWUHJUXSSLGLUHJLVWULE\WHGLVWDWRHYHQWRVWDQGDUGHVWDWRFRQVXOWDELOH,OUHJLVWURGHLE\WHGLVWDWRULHSLORJDLQIRUPD]LRQLGLDOWROLYHOORULSRUWDWHQHJOLDOWULJUXSSLGLUHJLVWUL1HOOHSDJLQHVHJXHQWLqULSRUWDWRXQRVFKHPDFKHLOOXVWUDLOVLVWHPDGLVWDWR6&3,XWLOL]]DWRGDOODOLPHQWDWRUH

Descrizione di un registro degli eventi3HUUHJLVWURGHJOLHYHQWLVLLQWHQGHXQUHJLVWURGLVRODOHWWXUDFKHULSRUWDGHWHUPLQDWHFRQGL]LRQLGHOODOLPHQWDWRUH,ELWGLXQUHJLVWURGHJOLHYHQWLYHQJRQRUHJLVWUDWLLQODWFK8QDYROWDLPSRVWDWRXQELWGLHYHQWRLVXFFHVVLYLFDPELDPHQWLGLVWDWRYHQJRQRLJQRUDWL,ELWGLXQUHJLVWURGHJOLHYHQWLYHQJRQRFDQFHOODWLDXWRPDWLFDPHQWHGDOLQWHUURJD]LRQHGLTXHOUHJLVWURFRPHDGHVHPSLR*ESR?RSTAT:QUES:EVEN?RSSXUHVHVLLQYLDLOFRPDQGR*CLS&OHDUVWDWXV&DQFHOODVWDWR8QULSULVWLQR*RSTRXQDQQXOODPHQWRHIIHWWXDWRVXXQDSHULIHULFDQRQFDQFHOODQRLELWGHLUHJLVWULGHJOLHYHQWL/LQWHUURJD]LRQHGLXQUHJLVWURGHJOLHYHQWLUHVWLWXLVFHXQYDORUHGHFLPDOHFKHFRUULVSRQGHDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWSUHVHQWLQHOUHJLVWUR

Descrizione di un registro di abilitazione,OUHJLVWURGLDELOLWD]LRQHGHILQLVFHTXDOLELWSUHVHQWLQHOUHODWLYRUHJLVWURGHJOLHYHQWLYHQJRQRUDJJUXSSDWLORJLFDPHQWHLQEDVHDOORSHUDWRUH25SHUIRUPDUHXQVLQJRORELWGLULHSLORJR,UHJLVWULGLDELOLWD]LRQHVRQRVLDOHJJLELOLFKHVFULYLELOLHQRQYHQJRQRFDQFHOODWLGDXQLQWHUURJD]LRQH,OFRPDQGR*CLS&OHDUVWDWXV&DQFHOODVWDWRQRQFDQFHOODLUHJLVWULGLDELOLWD]LRQHSXUFDQFHOODQGRLELWFRQWHQXWLQHLUHJLVWULGHJOLHYHQWL3HUDELOLWDUHLELWGLXQUHJLVWURGLDELOLWD]LRQHqQHFHVVDULRLPPHWWHUHXQYDORUHGHFLPDOHFKHFRUULVSRQGDDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWFKHVLGHVLGHUDDELOLWDUHQHOUHJLVWUR

93


Sistema stato SCPI

Peso binario

20 = 121 = 222 = 423 = 824 = 1625 = 3226 = 6427 = 12828 = 25629 = 512210 = 1024211 = 2048212 = 4096213 = 8192214 = 16384215 = 32768

QUEStionable StatusEvent Register Enable Registers

4

"OR"

Not UsedNot UsedTemperatureNot UsedNot UsedNot UsedNot Used

Not UsedNot UsedNot UsedNot UsedNot Used

Not Used9

"OR"

OPCNot UsedQYEDDEEXECME

PONNot Used

5

"OR"

CurrentVoltage

Overvoltage

Standard EventEvent Register Enable Registers

Operation Complete

Query ErrorDevice Depenent Error

Execution ErrorCommand Error

Power On

0

7

234

STAT:QUES? STAT:QUES:ENAB <value> STAT:QUES:ENAB?

*ESR? *ESE <value> *ESE?

Not Used

QUESMAVESB

Not Used

Not Used

Not Used

RQS56

34

Serial Poll(SPOLL) *SRE <value>*STB? *SRE?

Status ByteSummary Register Enable Register

Output Buffer01

94


4

Il registro Questionable Status,OUHJLVWUR4XHVWLRQDEOH6WDWXVIRUQLVFHLQIRUPD]LRQLULJXDUGRDOOHUHJROD]LRQLGHOODWHQVLRQHHGHOODFRUUHQWH4XDQGRODWHQVLRQHSHUGHUHJROD]LRQHYLHQHPHPRUL]]DWRLOELWHTXDQGRODFRUUHQWHSHUGHUHJROD]LRQHYLHQHPHPRUL]]DWRLOELW$GHVHPSLRVHODOLPHQWDWRUHSDVVDPRPHQWDQHDPHQWHDOODPRGDOLWjDFRUUHQWHFRVWDQWHPHQWUHqXWLOL]]DWRFRPHVRUJHQWHGLWHQVLRQHPRGDOLWjDWHQVLRQHFRVWDQWHYLHQHPHPRUL]]DWRLOELWSHUVHJQDODUHODPDQFDWDUHJROD]LRQHGHOODWHQVLRQHGLXVFLWD

4XHVWRUHJLVWURFRPSUHQGHDQFKHLQIRUPD]LRQLUHODWLYHDOODWWLYD]LRQHGHOOHFRQGL]LRQLGLVXUULVFDOGDPHQWRHVRYUDWHQVLRQH,OELWVHJQDODXQDFRQGL]LRQHGLVXUULVFDOGDPHQWRGHOODYHQWRODLOELWVHJQDODORVFDWWRGHOFLUFXLWRGLSURWH]LRQHGDVRYUDWHQVLRQH3HUOHJJHUHLOUHJLVWURLQYLDUHLOFRPDQGRSTATus:QUEStionable?

Tabella 4-3. Definizioni dei bit – Re gistro Questionable Status

Il registro Questionable Status Event viene azzerato quando: 6LHVHJXHLOFRPDQGR*CLS&OHDUVWDWXV&DQFHOODVWDWR

6LHIIHWWXDXQªLQWHUURJD]LRQHDOUHJLVWURGHJOLHYHQWLFRQLOFRPDQGRSTAT:QUES? 6WDWXV4XHVWLRQDEOH(YHQWUHJLVWHUTXHU\,QWHUURJD]LRQHUHJLVWURHYHQWRVWDWRFRQVXOWDELOH

$GHVHPSLRLOYDORUHGHFLPDOHULSRUWDWRGRSROLQWHUURJD]LRQHGHOORVWDWRGHOUHJLVWUR4XHVWLRQDEOH(YHQWLQGLFDXQDFRQGL]LRQHGHOODWHPSHUDWXUDFRQVXOWDELOH

Il registro Questionable Status Enable viene azzerato quando:• 6LHVHJXHLOFRPDQGRSTAT:QUES:ENAB 0

Bit Valore decimale

Definizione

0 Tensione 1 Alimentatore sempre in modalità a corrente costante.

1 Corrente 2 Alimentatore sempre in modalità a tensione costante.

2-3 Non utilizzato 0 Sempre impostato a 0.

4 Surriscaldamento 16 Guasto della ventola.


9 Sovratensione 512 Scatto del circuito di protezione da sovratensione.

10 Over Current 1024 The overcurrent protection circuit has tripped.


95


Il registro Standard Event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

Tabella 4-4. Definizioni dei bit – Re gistro Standard Event

8QDFRQGL]LRQHGLHUURUHELWRGHOUHJLVWUR6WDQGDUG(YHQWUHJLVWUHUjVHPSUHXQRRSLHUURULQHOODFRGDGHJOLHUURULGHOODOLPHQWDWRUH/HJJHUHODFRGDGHJOLHUURULXWLOL]]DQGRLOFRPDQGRSYST:ERR?

Bit Valore decimale

Definizione

0 OPC1

Operation Complete (Operazione completata). Tutti i comandi precedenti e comprendenti un comando *OPC sono stati eseguiti.

1 Non utilizzato 0 Sempre impostato a 0.

2 QYE

4

Query Error (Errore di interrogazione). L'alimentatore ha cercato di leggere il buffer di uscita ma l'ha trovato vuoto oppure la ricezione di una nuova riga di comando ha preceduto la lettura dell'interrogazione precedente o ancora i buffer d'ingresso e d'uscita sono pieni.

3 DDE

8

Device Error (Errore di periferica). Si è verificato un errore durante il test automatico o un errore di calibrazione (vedere numeri errore da 601 a 750 nel capitolo 5).

4 EXE16

Execution Error (Errore di esecuzione). Si è verificato un errore di esecuzione (vedere i numeri di errore da -211 a -224 nel capitolo 5).

5 CME32

Command Error (Errore di comando). Si è verificato un errore nella sintassi dei comandi (vedere numeri di errore da -101 a -178 nel capitolo 5).


7 PON128

Power On (Accensione). L'alimentatore è stato spento e dall'ultima volta il registro degli eventi è stato letto o cancellato.

96


4

Il registro Standard Event viene azzerato quando: 6LHVHJXHLOFRPDQGR*CLS&OHDUVWDWXV&DQFHOODVWDWR

6LULFKLHGHLOUHJLVWURGHJOLHYHQWLFRQLOFRPDQGR*ESR?(YHQW6WDWXVUHJLVWHU5HJLVWURHYHQWRVWDWR

$GHVHPSLRVHqVWDWRULFKLHVWRORVWDWRGHOUHJLVWUR6WDQGDUG(YHQWHVLVRQRYHULILFDWHFRQGL]LRQLGL4<(''(HG(;(YHUUjULSRUWDWR

Il registro Standard Event Enable viene azzerato quando: 6LHVHJXHLOFRPDQGR*ESE 0

6LDFFHQGHODOLPHQWDWRUHGRSRDYHUORFRQILJXUDWRFRQLOFRPDQGR*PSC 1

6HVLqFRQILJXUDWRODOLPHQWDWRUHFRQLOFRPDQGR*PSC 0 LOUHJLVWURGLDELOLWD]LRQH(QDEOH5HJLVWHUQRQYLHQHD]]HUDWRDOODFFHQVLRQH

Il registro Status Byte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

Tabella 4-5. Definizioni di bit – Re gistro riepilo gativo Status Byte

Bit Valore decimale

Definizione


3 QUES

8

Uno o più bit vengono memorizzati nel registro stato consultabile (i bit devono essere "abilitati" nel registro di abilitazione).

4 MAV 16 I dati sono disponibili nel buffer di uscita dell'alimentatore.

5 ESB32

Uno o più bit vengono memorizzati nel registro eventi standard (i bit devono essere "abilitati" nel registro di abilitazione).

6 RQS 64 L'alimentatore richiede assistenza (indagine seriale).


97


Il registro riepilogativo Status Byte viene azzerato quando: 6LHVHJXHLOFRPDQGR*CLS&OHDUVWDWXV&DQFHOODVWDWR

6HVLULFKLHGHLOUHJLVWUR6WDQGDUG(YHQWFRPDQGR*ESR?VLFDQFHOOHUjVRORLOELWGHOUHJLVWURGLULHSLORJRE\WHGLVWDWR

$GHVHPSLRVHqVWDWRULFKLHVWRORVWDWRGHOUHJLVWUR6WDWXV%\WHHVLVRQRYHULILFDWHFRQGL]LRQLGL48(6H0$9YLHQHULSRUWDWR

Il registro Status Byte Enable (Request Service, richiesta di assistenza) viene azzerato quando: 6LHVHJXHLOFRPDQGR*SRE 0

6LDFFHQGHODOLPHQWDWRUHGRSRDYHUORFRQILJXUDWRFRQLOFRPDQGR*PSC 1

6HVLqFRQILJXUDWRODOLPHQWDWRUHFRQLOFRPDQGR*PSC 0 LOUHJLVWURGLDELOLWD]LRQHQRQYLHQHD]]HUDWRDOODFFHQVLRQH

Uso della richiesta di assistenza (SRQ) e del POLL seriale3HUXWLOL]]DUHTXHVWDIXQ]LRQDOLWjqQHFHVVDULRFRQILJXUDUHLOFRQWUROOHUGHOEXVDIILQFKpULVSRQGDDOOLQWHUUXSWGHOODULFKLHVWDGLDVVLVWHQ]D654GHOO,(((8WLOL]]DUHLOUHJLVWUR6WDWXV%\WH(QDEOHFRPDQGR*SRESHUVHOH]LRQDUHLOELWULHSLORJDWLYRFKHPHPRUL]]DLOVHJQDOHGLULFKLHVWDDVVLVWHQ]D,(((DEDVVROLYHOOR4XDQGRLOELWULFKLHVWDGLDVVLVWHQ]DYLHQHPHPRUL]]DWRQHOUHJLVWURE\WHGLVWDWRYLHQHLQYLDWRDXWRPDWLFDPHQWHDOFRQWUROOHUGHOEXVXQPHVVDJJLRGLLQWHUUXSWGLULFKLHVWDGLDVVLVWHQ]DGHOO,(((,OFRQWUROOHUGHOEXVSXzDOORUDLQWHUURJDUHJOLVWUXPHQWLVXOEXVSHULGHQWLILFDUHTXDOHGLTXHVWLKDSUHVHQWDWRODULFKLHVWDGLDVVLVWHQ]DORVWUXPHQWRFRQLOELWPHPRUL]]DWRQHOVXR6WDWXV%\WH

,OELWUHODWLYRDOODULFKLHVWDGLDVVLVWHQ]DYLHQHFDQFHOODWRVRORTXDQGRVLOHJJHOR6WDWXV%\WHPHGLDQWHSROOVHULDOHGHOO,(((RTXDQGRVLOHJJHLOUHJLVWURGHJOLHYHQWLLOFXLELWGLULHSLORJRVWDGHWHUPLQDQGRODULFKLHVWDGLDVVLVWHQ]D

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98


4

A t t e n z i o n e Lo standard IEEE-488 non assicura la sincronizzazione tra il programma del controller del bus e lo strumento. Utilizzare il comando *OPC? per garantire il completamento dei comandi inviati allo strumento. Se si effettua un poll seriale primache *RST,*CLS, o altri comandi siano stati completati, è probabile che vengano riportate condizioni precedenti.

Uso del comando *STB? per la lettura dello Status Byte,OFRPDQGR*STB? qVLPLOHDXQSROOVHULDOHPDYLHQHHODERUDWRFRPHTXDOVLDVLDOWURFRPDQGRGHOORVWUXPHQWR,OFRPDQGR*STB? UHVWLWXLVFHLOPHGHVLPRULVXOWDWRGLXQSROOVHULDOHPDLOELWGLULFKLHVWDGLDVVLVWHQ]DELWQRQYLHQHFDQFHOODWR

,OFRPDQGR*STB? QRQYLHQHJHVWLWRDXWRPDWLFDPHQWHGDOOKDUGZDUHGHOOLQWHUIDFFLDGHOEXV,(((HYHUUjHVHJXLWRVRORGRSRLOFRPSOHWDPHQWRGHLFRPDQGLSUHFHGHQWL/HRSHUD]LRQLGHOSROOVHULDOHQRQVRQRSRVVLELOLTXDQGRVLXWLOL]]DLOFRPDQGR*STB? /HVHFX]LRQHGHOFRPDQGR*STB? QRQD]]HUDLOUHJLVWURULHSLORJDWLYR6WDWXV%\WH

Uso del bit di messaggio disponibile (MAV)½SRVVLELOHXWLOL]]DUHLOELW§PHVVDJJLRGLVSRQLELOH¨GHOE\WHGLVWDWRELWSHUGHWHUPLQDUHLOPRPHQWRLQFXLLGDWLVDUDQQRGLVSRQLELOLDOODOHWWXUDQHOFRQWUROOHUGHOEXV'LFRQVHJXHQ]DODOLPHQWDWRUHFDQFHOOHUjLOELWVRORGRSRODOHWWXUDGLWXWWLLPHVVDJJLGDOEXIIHUGLXVFLWD

Interruzione del controller del bus tramite SRQ Inviare un messaggio di azzeramento del dispositivo per cancellare

il buffer di uscita dell'alimentatore (ad esempio, CLEAR 705 ). Azzerare i registri degli eventi con il comando *CLS. Impostare le maschere del registro di abilitazione. Eseguire il comando*ESE

per impostare il registro Standard Event e il comando *SRE per il registro Status Byte.

Inviare il comando *OPC? e immettere il risultato per assicurare la sincronizzazione.

Abilitare l'interruzione SRQ del controller del bus IEEE-488.

99


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e

Determinazione del completamento di una sequenza di comandi Inviare un messaggio di azzeramento del dispositivo per cancellare il buffer

di uscita dell'alimentatore (ad esempio, CLEAR 705 ). Azzerare i registri degli eventi con il comando *CLS (assenza stato). Abilitare il bit operazione completata (bit 0) nel registro Standard Event

eseguendo il comando *ESE 1 . Inviare il comando *OPC? e immettere il risultato per assicurare la

sincronizzazione. Eseguire la stringa di comando necessaria per programmare la configurazion

desiderata e quindi eseguire il comando *OPC come comando finale. Una volta completata la sequenza di comando, il bit operazione completata (bit 0) vienmemorizzato nel registro Standard Event.

Utilizzare un poll seriale per individuare il momento in cui il bit 5 (evento Byte. È anche possibile configurare l'alimentatore per un interrupt SRQ inviando il comando *SRE 32 (Status Byte enable register, Registro di abilitazione byte di stato, bit 5).

Uso del comando *OPC per la segnalazione della presenza di dati nel buffer di uscita,QJHQHUHqFRQVLJOLDELOHXWLOL]]DUHLOELWRSHUD]LRQHFRPSOHWDWDELWQHOUHJLVWUR6WDQGDUG(YHQWSHUVHJQDODUHLOPRPHQWRLQFXLXQDVHTXHQ]DGLFRPDQGRYLHQHFRPSOHWDWD4XHVWRELWYLHQHPHPRUL]]DWRGRSROHVHFX]LRQHGLXQFRPDQGR*OPC6HVLLQYLDLOFRPDQGR*OPCGRSRXQFRPDQGRFKHFDULFDXQPHVVDJJLRQHOEXIIHUGLXVFLWDGHOODOLPHQWDWRUHGDWLGLLQWHUURJD]LRQHqSRVVLELOHXWLOL]]DUHLOELWRSHUD]LRQHFRPSOHWDWDSHUGHWHUPLQDUHLOPRPHQWRLQFXLLOPHVVDJJLRVDUjGLVSRQLELOH7XWWDYLDVHSULPDFKHVLDVWDWRHVHJXLWRLOFRPDQGR*OPCYHQJRQRJHQHUDWLWURSSLPHVVDJJLLQVHTXHQ]DLOEXIIHUGLXVFLWDVLULHPSLHHODOLPHQWDWRUHFHVVHUjGLHODERUDUHLFRPDQGL

100

Capitolo 4 Interfaccia remotaComandi per il report dello stato

4

Comandi per il report dello stato

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STATus:QUEStionable:CONDition?&RPDQGRFKHLQWHUURJDLOUHJLVWUR4XHVWLRQDEOH6WDWXVSHUYHULILFDUHOHFRQGL]LRQLGHOOHPRGDOLWjD&9R&&GHOODOLPHQWDWRUH,OYDORUHGHFLPDOHULSRUWDWRFRUULVSRQGHDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWSUHVHQWLQHOUHJLVWUR7DOLELWQRQYHQJRQRUHJLVWUDWLLQODWFKLQGLFDFKHOXVFLWDGHOODOLPHQWDWRUHqLQVWDWR2))HQRQUHJRODWDVHJQDODFKHODOLPHQWDWRUHqLQPRGDOLWjD&&LQGLFDFKHOXQLWjRSHUDLQPRGDOLWjD&9HVHJQDODXQDFRQGL]LRQHGLJXDVWRGHOODOLPHQWDWRUH

STATus:QUEStionable?&RPDQGRFKHLQWHUURJDLOUHJLVWURGHJOLHYHQWL4XHVWLRQDEOH6WDWXV,OYDORUHGHFLPDOHULSRUWDWRFRUULVSRQGHDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWSUHVHQWLQHOUHJLVWUR4XHVWLELWVRQRPHPRUL]]DWLLQODWFK,OUHJLVWURGHJOLHYHQWLYLHQHD]]HUDWRGRSRODOHWWXUD

STATus:QUEStionable:ENABle <valore abilitazione>&RPDQGRFKHFRQVHQWHGLDELOLWDUHLELWSUHVHQWLQHOUHJLVWURGLDELOLWD]LRQH4XHVWLRQDEOH6WDWXV,ELWVHOH]LRQDWLYHQJRQRTXLQGLULSRUWDWLQHOUHJLVWURE\WHGLVWDWR

STATus:QUEStionable:ENABle?&RPDQGRFKHLQWHUURJDLOUHJLVWURDELOLWD]LRQHVWDWRFRQVXOWDELOH,OYDORUHGHFLPDOHULSRUWDWRFRUULVSRQGHDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWSUHVHQWLQHOUHJLVWUR

*CLS,OFRPDQGRD]]HUDWXWWLLUHJLVWULGHJOLHYHQWLHLOUHJLVWUR6WDWXV%\WH

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101

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*ESR?&RPDQGRFKHLQWHUURJDLOUHJLVWURHYHQWLVWDQGDUG,OYDORUHGHFLPDOHULSRUWDWRFRUULVSRQGHDOODVRPPDSRQGHUDWDELQDULDGLWXWWLLELWSUHVHQWLQHOUHJLVWUR

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*STB?&RPDQGRGLQWHUURJD]LRQHFKHULFKLHGHLOUHJLVWURULHSLORJDWLYR6WDWXV%\WH,OFRPDQGR*STB? qVLPLOHDGXQSROOVHULDOHPDYLHQHHODERUDWRFRPHTXDOVLDVLDOWURFRPDQGRGHOORVWUXPHQWR,OFRPDQGR*STB? ULSRUWDORVWHVVRULVXOWDWRGLXQSROOVHULDOHPDLQTXHVWRFDVRLOELWULFKLHVWDGLDVVLVWHQ]DELWQRQYHUUjFDQFHOODWRLQVHJXLWRDXQSROOVHULDOH

*WAI,OFRPDQGRLVWUXLVFHODOLPHQWDWRUHDGDWWHQGHUHFKHWXWWHOHRSHUD]LRQLLQFRUVRVLDQRFRPSOHWDWHSULPDGLHVHJXLUHQXRYLFRPDQGLVXOOLQWHUIDFFLD4XHVWRFRPDQGRYLHQHXWLOL]]DWRVRORLQPRGDOLWjVLQFURQL]]DWD

102

Capitolo 4 Interfaccia remotaIntroduzione al lin guaggio SCPI

4

Introduzione al linguaggio SCPI

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[SOURce:]

CURRent <corrente>|MIN|MAX|UP|DOWN

CURRent? [MIN|MAX]

CURRent:

TRIGgered <corrente>|MIN|MAX

TRIGgered?MIN|MAX

VOLTage <tensione>|MIN|MAX|UP|DOWN

VOLTage? [MIN|MAX]

VOLTage:

TRIGgered <tensione>|MIN|MAX

TRIGgered? MIN|MAX

SOURceqODSDURODFKLDYHFKHFRVWLWXLVFHODUDGLFHGHOFRPDQGRCURRentHVOLTageVRQROHSDUROHFKLDYHGHOVHFRQGROLYHOORHTRIGgered qODSDURODFKLDYHGHOWHU]ROLYHOOR,GXHSXQWLVHSDUDQRQHOFRPDQGROHSDUROHFKLDYHGHLGLYHUVLOLYHOOL

103


Formato dei comandi utilizzato in questo manuale,OIRUPDWRXWLOL]]DWRSHUUDSSUHVHQWDUHLFRPDQGLLQTXHVWRPDQXDOHYLHQHLOOXVWUDWRTXLGLVHJXLWR

CURRent <current>|MINimum|MAXimum|UP|DOWN

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SOURce:CURRent:TRIGgered

APPLy 3.5,1.5

104


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Separatori dei comandi,GXHSXQWLYHQJRQRXWLOL]]DWLSHUVHSDUDUHODSDURODFKLDYHGLXQFRPDQGRGDOODSDURODFKLDYHGHOOLYHOORLQIHULRUH

SOURce:CURRent:TRIGgered

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DISP:TEXT:CLE;:SOUR:CURR MIN

Utilizzo dei parametri MIN e MAX½SRVVLELOHVRVWLWXLUHMINimumRMAXimumDOSDUDPHWURGLPROWLFRPDQGL$GHVHPSLRVLFRQVLGHULLOFRPDQGRFKHVHJXH

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105


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Impostazione dei parametri di interrogazione½SRVVLELOHULFKLHGHUHLOYDORUHGHOODPDJJLRUSDUWHGHLSDUDPHWULDJJLXQJHQGRDOFRPDQGRXQSXQWRLQWHUURJDWLYR"$GHVHPSLRLOFRPDQGRVHJXHQWHLPSRVWDODFRUUHQWHGLXVFLWDDDPS

CURR 5

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CURR? MAX

CURR? MIN

A t t e n z i o n e Se si inviano due comandi d'interrogazione senza leggere la risposta al primo e si tenta invece di leggere la risposta al secondo, è possibile che si ricevano alcuni datdella prima risposta seguiti dalla seconda risposta completa. Per evitare che ciò avvenga, si consiglia di non inviare un comando d'interrogazione senza leggerne larisposta. Se ciò non è possibile, inviare un comando di azzeramento del dispositivoprima di inviare il secondo comando d'interrogazione.

Terminatori dei comandi SCPI8QDVWULQJDGLFRPDQGRLQYLDWDDOODOLPHQWDWRUHGHYHWHUPLQDUHFRQXQFDUDWWHUHQHZOLQH!,OPHVVDJJLR,((((2,HQGRULGHQWLI\YLHQHLQWHUSUHWDWRFRPHXQFDUDWWHUHQHZOLQH!HSXzHVVHUHXWLOL]]DWRSHUWHUPLQDUHXQDVWULQJDGLFRPDQGRDOSRVWRGLXQFDUDWWHUHQHZOLQH!9LHQHDFFHWWDWRDQFKHXQFDUULDJHUHWXUQ!VHJXLWRGDQHZOLQH!/DWHUPLQD]LRQHGHOODVWULQJDGLFRPDQGRULSRUWHUjVHPSUHLOSHUFRUVRFRUUHQWHGHOFRPDQGR6&3,DOOLYHOORGLUDGLFH,OFRGLFHGHFLPDOH$6&,,FRUULVSRQGHQWHDOFDUDWWHUHQHZOLQH!qLO

Comandi comuni IEEE-488.2/RVWDQGDUG,(((GHILQLVFHXQDVHULHGLFRPDQGLFRPXQLFKHVYROJRQRIXQ]LRQLTXDOLULSULVWLQRWHVWDXWRPDWLFRHRSHUD]LRQLGLVWDWR,FRPDQGLFRPXQLLQL]LDQRVHPSUHFRQXQDVWHULVFR KDQQRXQDOXQJKH]]DGLTXDWWURRFLQTXHFDUDWWHULHSRVVRQRLQFOXGHUHXQRRSLSDUDPHWUL/DSDURODFKLDYHGHOFRPDQGRHLOSULPRSDUDPHWURVRQRVHSDUDWLGDXQRVSD]LRYXRWR8WLOL]]DUHXQSXQWRHYLUJRODSHUVHSDUDUHFRPDQGLPXOWLSOLFRPHLQGLFDWRGLVHJXLWR

*RST; *CLS; *ESE 32; *OPC?

106


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Capitolo 4 Interfaccia remotaInterruzione di un'uscita in corso

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N o t a Qualsiasi configurazione dell'interfaccia remota può essere immessa solo dal pannello frontale. Per informazioni sulla configurazione per l'interfaccia GPIB o RS-232 prima di utilizzare l'alimentatore in modalità remota, vedere "Configurazione dell'interfaccia remota" nel capitolo 3.

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Informazioni sulla conformità SCPI

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109


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111

Capitolo 4 Interfaccia remotaInformazioni sulla conformità IEEE-488

Informazioni sulla conformità IEEE-488

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Comandi

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Capitolo 6 Programmi applicativi

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Diode.c/*Diode.C.Questo programma dimostrativo applica 11 valori della tensione e misura

la corrispondente risposta in corrente. Il programma stampa il valore di tensione e la risposta in corrente in una tabella. Si osservi che l'indirizzo dell'interfaccia

GPIB dell’alimentatore è quello preimpostato in fabbrica.*/

#include <visa.h>#include <stdio.h>#include <string.h>#include <time.h>#include <conio.h>#include <stdlib.h>

ViSession defaultRM; /* Id del gestore di risorsa */ViSession power_supply; /* Identifica l'alimentatore */int bGPIB = 1; /* Imposta il numero a 0 se si utilizza RS-232 */long ErrorStatus; /* Codice di errore VISA */char commandString[256];char ReadBuffer[256];

void delay(clock_t wait);void SendSCPI(char* pString);void CheckError(char* pMessage);void OpenPort();

Continua alla pagina successiva
127


void main()

double voltage; /* Valore della tensione inviato all'alimentatore */char Buffer[256]; /* Stringa restituita dall'alimentatore */double current; /* Valore dell'uscita di corrente dell'alimentatore */

OpenPort();

/* Richiede l'id dell'alimentatore, legge la risposta e la stampa */sprintf(Buffer,"*IDN?");SendSCPI(Buffer);printf("Instrument identification string:\n %s\n\n",Buffer);

SendSCPI("*RST"); /* Imposta la condizione di acceso */SendSCPI("Current 2"); /* Imposta il limite di corrente a 2A */SendSCPI("Output on"); /* Attiva l'uscita */

printf("Voltage Current\n\n"); /* Stampa l'intestazione*/

/*Varia la tensione da 0,6 a 0,8 volt con passo di 0,02 */for(voltage = 0.6; voltage <=0.8001; voltage +=0.02)

printf("%.3f",voltage); /* Visualizza la tensione del diodo*//* Imposta la tensione d'uscita */ErrorStatus = viPrintf(power_supply,"Volt %f\n",voltage);if(!bGPIB)

delay(500);/* attesa di 500 msec per la porta RS-232*/CheckError("Unable to set voltage");/* Misura la corrente in uscita */ErrorStatus = viPrintf(power_supply,"Measure:Current?\n");CheckError("Unable to write device");delay(500); /* Attende 500 msec per l'uscita *//* Ottiene la lettura */ErrorStatus = viScanf(power_supply,"%lf",&current);CheckError("Unable to read voltage");printf("%6.4f\n",current); /* Visualizza la corrente del diodo */

SendSCPI("Output off"); /* Disattiva l'uscita */ClosePort();

/* Costruisce l'indirizzo richiesto per avviare la comunicazione con la scheda GPIB o RS-232.*//* Il formato dell'indirizzo è il seguente: "GPIB0::5::INSTR". *//* Per utilizzare l'interfaccia RS-232 sulla porta COM1, modificare l'indirizzo *//* nel formato "ASRL1::INSTR" */

void OpenPort()

char GPIB_Address[3];

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6

char COM_Address[2];char VISA_address[40]; /* Indirizzo VISA completo inviato alla scheda */

if(bGPIB)strcpy(GPIB_Address,"5"); /* Seleziona l'indirizzo GPIB tra 0 e 30*/

elsestrcpy(COM_Address,"1"); /* Imposta il numero a 2 se si utilizza la porta COM2*/

if(bGPIB) /* Se viene usato l'indirizzo GPIB 7, utilizza il formato "GPIB::7::INSTR" */strcpy(VISA_address,"GPIB::");strcat(VISA_address,GPIB_Address);strcat(VISA_address,"::INSTR");

else /* Se viene usata la porta COM2, utilizza il formato di indirizzo "ASRL2::INSTR */

strcpy(VISA_address,"ASRL");strcat(VISA_address,COM_Address);strcat(VISA_address,"::INSTR");

/* Apre la sessione di comunicazione con l'alimentatore */ErrorStatus = viOpenDefaultRM(&defaultRM);ErrorStatus = viOpen(defaultRM,VISA_address,0,0,&power_supply);CheckError("Unable to open port");

if(!bGPIB)SendSCPI("System:Remote");

void SendSCPI(char* pString)

char* pdest;

strcpy(commandString,pString);strcat(commandString,"\n");ErrorStatus = viPrintf(power_supply,commandString);CheckError("Can’t Write to Driver");if (bGPIB == 0)

delay(1000); /* Espresso in millisecondi*/

pdest = strchr(commandString, ’?’); /* Ricerca il comando di interrogazione */if( pdest != NULL )

ErrorStatus = viScanf(power_supply,"%s",&ReadBuffer);CheckError("Can’t Read From Driver");strcpy(pString,ReadBuffer);

129


void ClosePort()

/* Chiude la porta di comunicazione */viClose(power_supply);viClose(defaultRM);

void CheckError(char* pMessage)

if (ErrorStatus < VI_SUCCESS)printf("\n %s",pMessage);ClosePort();exit(0);

void delay(clock_t wait)

clock_t goal;goal = wait + clock();while( goal > clock() ) ;

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130

Capitolo 6 Programmi applicativiProgramma dimostrativo per Excel 97

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N o t a Per utilizzare l'esempio con Windows 3.1, è necessario modificare le dichiarazioni in cima al modulo. Modificare 'visa32.dll' in 'visa.dll' in tutte le dichiarazioni.

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Macro Diode

'"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""' Questa è la prima subroutine ad essere eseguita. Modificare la routine per adattarla' alle proprie necessità. Per modificare l'indirizzo GPIB, passare al modulo OpenPort, e' modificare la variabile GPIB_Address = "5” con l'indirizzo GPIB address.' Per modificare la porta RS-232, passare al modulo OpenPort, e modificare la' variabile COM_Address = "1" con la porta richiesta'"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""Global defaultRM As Long ' Id del gestore di risorsa per GPIB VISAGlobal power_supply As Long ' Identifica l'alimentatoreGlobal bGPIB As Boolean ' Flag che indica l'utilizzo di GPIB o RS-232Global ErrorStatus As Long ' Codice di errore VISA

Sub Diode_Click() Range("B5:B15").ClearContents Dim I As Integer bGPIB = True ' Per utilizzare la RS-232, impostare bGPIB su False OpenPort SendSCPI "*RST" ' Imposta la condizione di accesso SendSCPI "Output on" ' Attiva l'uscita For I = 5 To 15 SendSCPI "Volt " & Str$(Cells(I, 1)) Cells(I, 2) = Val(SendSCPI("Meas:Current?")) Next I SendSCPI "Output off" ' Disattiva l'uscita ClosePortEnd Sub

Private Function OpenPort() Dim GPIB_Address As String Dim COM_Address As String If bGPIB Then GPIB_Address = "5" ' Seleziona l'indirizzo GPIB tra 0 e 30 Else COM_Address = "1" ' Imposta il numero a 2 per la porta COM2 End If ErrorStatus = viOpenDefaultRM(defaultRM) ' Apre la sessione VISA If bGPIB Then ErrorStatus = viOpen(defaultRM, "GPIB0::" & GPIB_Address & "::INSTR", _

0, 1000, power_supply) Else ErrorStatus = viOpen(defaultRM, "ASRL" & COM_Address & "::INSTR", _

0, 1000, power_supply) SendSCPI "System:Remote" End If CheckError "Unable to open port"End Function

133


'*********************************************************************************' Questa routine invia una stringa di comando SCPI alla porta GPIB o RS-232.' Se il comando contiene un punto interrogativo, la risposta viene letta

e ne viene riportato il valore'**********************************************************************************Private Function SendSCPI(command As String) As string Dim commandString As String ' Comando inviato all'alimentatore Dim ReturnString As String ' Conserva la stringa da riportare in uscita Dim crlfpos As Integer ' Posizione dei nul in Read Buffer Dim ReadBuffer As String * 512 ' Buffer utilizzato per la stringa riportata Dim actual As Long ' Numero di caratteri inviati/riportati commandString = command & Chr$(10) ' Lo strumento è alimentato in linea ErrorStatus = viWrite(power_supply, ByVal commandString, Len(commandString), _

actual) CheckError "Can’t Write to Device" If bGPIB = False Then delay 0.5 End If If InStr(commandString, "?") Then ErrorStatus = viRead(power_supply, ByVal ReadBuffer, 512, actual) CheckError "Can’t Read From Device" ReturnString = ReadBuffer crlfpos = InStr(ReturnString, Chr$(0)) If crlfpos Then ReturnString = Left(ReturnString, crlfpos - 1) End If SendSCPI = ReturnString End IfEnd Function

Private Function ClosePort() ErrorStatus = viClose(power_supply) ErrorStatus = viClose(defaultRM)End Function

Private Function delay(delay_time As Single) Dim Finish As Single Finish = Timer + delay_time Do Loop Until Finish <= TimerEnd Function

Private Function CheckError(ErrorMessage As String) If ErrorStatus < VI_SUCCESS Then Cells(5, 2) = ErrorMessage ClosePort End End IfEnd Function

Fine del pro gramma

134


6

Dichiarazione per Windows 3.1

'****************************************************************************************' Questa routine richiede il file VISA.dll che in genere si trova nella directory' c:\windows\system. Ulteriori dichiarazioni per VISA.DLL si trovano solitamente nel file ' visa.bas nella directory c:\vxipnp\win31\include del proprio PC. La routine utilizza' la Libreria VTL per inviare comandi a un dispositivo. Una descrizione di tali comandi e ulteriori comandi VTL sono contenuti nel manuale Agilent Technologies Visa

Transition Library book ' Numero parte Agilent E2094-90002.'****************************************************************************************Declare Function viOpenDefaultRM Lib "VISA.DLL" Alias "#141" (viDefaultRM As Long) As Long

Declare Function viOpen Lib "VISA.DLL" Alias "#131" (ByVal viDefaultRM As Long, ByVal viDesc As String, ByVal mode As Long, ByVal timeout As Long, vi As Long) As Long

Declare Function viClose Lib "VISA.DLL" Alias "#132" (ByVal vi As Long) As Long

Declare Function viRead Lib "VISA.DLL" Alias "#256" (ByVal vi As Long, ByVal Buffer As String, ByVal count As Long, retCount As Long) As Long

Declare Function viWrite Lib "VISA.DLL" Alias "#257" (ByVal vi As Long, ByVal Buffer As String, ByVal count As Long, retCount As Long) As Long

Declare Function viClear Lib "VISA.DLL" Alias "#260" (ByVal vi As Long) As Long

Dichiarazione per Windows 95/NT 4.0

'****************************************************************************************' Ulteriori dichiarazioni per VISA32.DLL sono in genere contenute nel file

visa32.bas nella directory ' c:\vxipnp\win95(or winNT)\include del proprio PC. Consultare il manuale VISA'***************************************************************************************Declare Function viOpenDefaultRM Lib "visa32.dll" (instrumentHandle As Long) As LongDeclare Function viOpen Lib "visa32.dll" (ByVal instrumentHandle As Long, _

ByVal viDesc As String, ByVal mode As Long, ByVal timeout As Long, _vi As Long) As Long

Declare Function viClose Lib "visa32.dll" (ByVal vi As Long) As LongDeclare Function viWrite Lib "visa32.dll" (ByVal vi As Long, ByVal Buffer As String, _

ByVal count As Long, retCount As Long) As LongDeclare Function viRead Lib "visa32.dll" (ByVal vi As Long, ByVal Buffer As String, _

ByVal count As Long, retCount As Long) As Long

135


136

7

Descrizione funzionale

Descrizione funzionale

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Capitolo 7 Descrizione funzionaleCenni preliminari sul funzionamento dell’alimentatore

7

Cenni preliminari sul funzionamento dell’alimentatore

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Figura 7-1. Dia gramma di un alimentatore serie

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139

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Figura 7-2. Dia gramma a blocchi dell'alimentatore raffi gurante l'isolamento ottico

GPIB

RS-232

OPTICALISOLATION

POWERSUPPLYOUTPUT

CONTROLDISPLAY

-

+

140

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7

Caratteristiche di uscita

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Figura 7-3. Tensione costante ideale Fi gura 7-4. Corrente costante ideale Alimentatore Alimentatore

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Figura 7-5. Caratteristiche di uscita

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142


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143


Figura 7-6. Sor genti di rumore - Dia gramma semplificato della modalità comune e della modalità normale

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OUTPUT TERMINALOUTPUT

VOLTAGE

COMMONMODENOISE<1.5 uArms

NORMALMODENOISE

R

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*E3640A/41A/44A models**E3641A/43A/45A models

144

Capitolo 7 Descrizione funzionaleEstensione del ran ge di tensione e di corrente

7

Estensione del range di tensione e di corrente

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145

Capitolo 7 Descrizione funzionaleProgrammazione a distanza

Programmazione a distanza

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Figura 7-7. Velocità della risposta – Pro grammazione verso l'alto (pieno carico)

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146


7

6HDOWHUPLQDOHGLXVFLWDGHOWUDVIRUPDWRUHQRQqFROOHJDWDDOFXQDUHVLVWHQ]DODWHQVLRQHGLXVFLWDVDOLUjLQPRGROLQHDUHFRQXQDYHORFLWjSDULD&2,/TXDQGRYHUUjSURJUDPPDWDYHUVRODOWRH75 &2((,/FKHUDSSUHVHQWDLOWHPSRGLSURJUDPPD]LRQHYHUVRODOWRSLEUHYHSRVVLELOH

Figura 7-8. Velocità della risposta – Pro grammazione verso il basso

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147


148

8

Specifiche

Specifiche

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150

Capitolo 8 SpecificheSpecifiche relative alle prestazioni

Specifiche relative alle prestazioni

Tabella 8-1 Specifiche relative alle prestazioni

>@/HVSHFLILFKHVLULIHULVFRQRDOODOLPHQWDWRUHGRSRRUDGLULVFDOGDPHQWRVHQ]DFDULFRHFDOLEUD]LRQHD&

Parametro E3640A E3641A E3642A E3643A E3644A E3645AValori d'uscita nominali (@ 0 °C - 40 °C)

Range basso da 0 a +8 V/da 0 a 3 A

da 0 a +35 V/da 0 a 0,8 A

da 0 a +8 V/da 0 a 5 A

da 0 a +35 V/da 0 a 1,4 A

da 0 a +8 V/da 0 a 8 A

da 0 a +35 V/da 0 a 2,2 A

Range alto da 0 a +20 V/da 0 a 1,5 A

da 0 a +60 V/da 0 a 0,5 A

da 0 a +20 V/da 0 a 2,5 A

da 0 a +60 V/da 0 a 0,8 A

da 0 a +20 V/da 0 a 4 A

da 0 a +60 V/da 0 a 1,3 A

Accuratezza di pro grammazione [1] 12 mesi (@ 25 °C ± 5 °C), ±(% di uscita + offset)

Tensione <0,05% + 10 mV

Corrente <0,2% + 10 mA

Accuratezza readback [1] 12 mesi (su GPIB e RS-232 o su pannello frontale rispetto all'uscita attuale (@ 25 °C ± 5 °C), ±(% di uscita + offset)


Corrente <0,15% + 5 mA

Ripple e rumore (con uscite non messe a terra o con uno dei terminali di uscita messo a terra, da 20 Hz a 20 MHz)

Tensione in modalità normale

<0,5 mV rms e 5 mVp-p

<1 mV rms e 8 mVp-p

<0,5 mV rms e 5 mVp-p

<1 mV rms e 8 mVp-p

<0,5mV rms e 5 mVp-p

<1 mV rms e 8 mVp-p

Corrente in modalità normale

<4 mA rms

Corrente in modalità comune

<1,5 uA rms

Regolazione del carico , ±(% di uscita + offset)


Corrente <0,01% + 250 uA

Regolazione della rete , ±(% di uscita + offset)


Corrente <0,01% + 250 uA

Risoluzione della pro grammazione

Tensione <5 mV

Corrente <1 mA

Risoluzione del readback

Tensione <2 mV

Corrente <1 mA

Risoluzione del pannello frontale

Tensione 10 mV

Corrente 1 mA

1518

Capitolo 8 SpecificheSpecifiche relative alle prestazioni

Tempo di risposta ai transitori

/XVFLWDLPSLHJDPHQRGLPLFURVHFSHUULSRUWDUVLHQWURP9LQVHJXLWRDXQDYDULD]LRQHGHOODFRUUHQWHGXVFLWDGDSLHQRFDULFRDPH]]RFDULFRHYLFHYHUVD

ITempo di assestamento

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Accuratezza di OVP GLXVFLWDRIIVHW

9

Tempo di attivazione 7HPSRPHGLRSHUFKpOXVFLWDLQL]LDFDGHUHLQVHJXLWRDXQDFRQGL]LRQH293

PVHFTXDQGRODWHQVLRQHGLVFDWWRqXJXDOHRPDJJLRUHD9

PVHFTXDQGRODWHQVLRQHGLVFDWWRqLQIHULRUHD9

152

Capitolo 8 SpecificheCaratteristiche supplementari

Caratteristiche supplementari

Tabella 8-2. Caratteristiche supplementari

Capacità di rilevamento a distanza

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5HJROD]LRQHGHOFDULFR $JJLXQJHUHP9DOODVSHFLILFDSHURJQLYDULD]LRQHGLYROWQHOFRQGXWWRUHGXVFLWDFDXVDWDGDOOHYDULD]LRQLGHOODFRUUHQWHGLFDULFR

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Coefficiente della temperatura, ±(% di uscita + offset)

9DULD]LRQHPDVVLPDLQXVFLWDUHDGEDFNSHU&GRSRXQULVFDOGDPHQWRGLPLQXWL

7HQVLRQH P9

&RUUHQWH P$

Stabilità, ±(% di uscita + offset)

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7HQVLRQH P9

&RUUHQWH P$

Parametro E3640A E3641A E3642A E3643A E3644A E3645ARange di pro grammazione dell'uscita (valori massimi programmabili)

Range basso

da 0 a +8,24 V/da 0 a 3,09 A

da 0 a +36,05 V/da 0 a 0,824 A

da 0 a +8,24 V/da 0 a 5,15 A

da 0 a +36,05 V/da 0 a 1,442 A

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da 0 a +36,05 V/da 0 a 2,266 A

Range alto

da 0 a +20,6 V/da 0 a 1,545 A

da 0 a +61,8V/da 0 a 0,515 A

da 0 a +20,6V/da 0 a 2,575 A

da 0 a +61,8V/da 0 a 0,824 A

da 0 a +20,6 V/da 0 a 4,12 A

da 0 a +61,8V/da 0 a 1,339 A

OVP da 1 V a 22 V da 1 V a 66 V da 1 V a 22 V da 1 V a 66 V da 1 V a 22 V da 1 V a 66 V

1538


Sovraccarico tensione in uscita

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Lin guaggio di pro grammazione

6&3,6WDQGDUG&RPPDQGVIRU3URJUDPPDEOH,QVWUXPHQWV

Memorizzazione dello stato

&LQTXHVWDWLPHPRUL]]DWLFRQILJXUDELOLGDOOXWHQWH

Intervallo di calibrazione consi gliato

DQQR

Isolamento del terminale d'uscita (massimo, dalla messa a terra del telaio)

9GFGXUDQWHLOFROOHJDPHQWRGLFRQGXWWRULGLFRUWRFLUFXLWRSULYLGªLVRODPHQWRWUDLWHUPLQDOLGªXVFLWDHGLULOHYDPHQWRHWUDLWHUPLQDOLGªXVFLWDHGLULOHYDPHQWR

9GFGXUDQWHLOFROOHJDPHQWRGLFRQGXWWRULGLFRUWRFLUFXLWRLVRODWLWUDLWHUPLQDOLGªXVFLWDHGLULOHYDPHQWRHWUDLWHUPLQDOLGªXVFLWDHGLULOHYDPHQWR

Valori nominali entrata AC (selezionabile tramite due switch posti sulla scheda PC)

VWDQGDUG 9DFGDD+]

RS]LRQH(9DFGDD+]

RS]LRQH(9DFGDD+]

Potenza massima in entrata

Raffreddamento

5DIIUHGGDWRWUDPLWHYHQWROD

Temperatura operativa

'DD&SHUXVFLWDDSLHQRUHJLPH

E3640A E3641A E3642A E3643A E3644A E3645A105 VA 105 VA 205 VA 175 VA 300 VA 270 VA

154


Temperatura di imma gazzinamento

7HPSHUDWXUDDPELHQWHGDD&

Condizioni ambientali

3URJHWWDWRSHUOXWLOL]]RLQDPELHQWLFKLXVLLQXQDFDWHJRULDGLLQVWDOOD]LRQH,,DPELHQWHFRQOLYHOORGLLQTXLQDPHQWR3URJHWWDWRSHULOIXQ]LRQDPHQWRDXQWDVVRGLXPLGLWjUHODWLYDPDVVLPRGHOHSHUDOWLWXGLQLQRQVXSHULRULDLPHWUL

Peso

Dimensioni*

PP/[PP+[PP3

9HGHUHOHLQIRUPD]LRQLGHWWDJOLDWHULSRUWDWHGLVHJXLWRHQHOODSDJLQDVXFFHVVLYD

Figura 8-1. Dimensioni de gli alimentatori A gilent E3640A/41A/42A/43A/44A/45A

E3640A E3641A E3642A E3643A E3644A E3645A

Netto 5,3 Kg 5,2 Kg 6,3 Kg 6,2 Kg 6,6 Kg 6,7 Kg

Lordo con imballo

7,2 Kg 7,1 Kg 8,2 Kg 8,1 Kg 8,5 Kg 8,6 Kg

1558


Figura 8-2. Dimensioni per monta ggio a rack

156

Appendix

Service Information

Service Information

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158

Appendix Service InformationOperatin g Checklist

Service

Information

Operating Checklist

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Is the Power Supply Inoperative?9HULI\WKDWWKHDFSRZHUFRUGLVFRQQHFWHGWRWKHSRZHUVXSSO\

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See “In caso di mancata accensione dell’alimentatore” on page 20.

Does the Power Supply Fail Self-Test?9HULI\WKDWWKHFRUUHFWSRZHUOLQHYROWDJHLVVHOHFWHG

See “In caso di mancata accensione dell’alimentatore” on page 20.

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Ensure that all terminal connections are removed while the self-test is performed.

159

Appendix Service InformationTypes of Service Available

Types of Service Available

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160

Appendix Service InformationRepackin g for Shipment

Service

Information

Repacking for Shipment

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161

Appendix Service InformationElectrostatic Dischar ge (ESD) Precautions

Electrostatic Discharge (ESD) Precautions

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Surface Mount Repair

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To Replace the Power-Line Fuse

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162

Appendix Service InformationTroubleshootin g Hints

Service

Information

Troubleshooting Hints

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Unit Reports Errors 740 to 7507KHVHHUURUVPD\EHSURGXFHGLI\RXDFFLGHQWDOO\WXUQRIISRZHURIWKHXQLWGXULQJDFDOLEUDWLRQRUZKLOHFKDQJLQJDQRQYRODWLOHVWDWHRIWKHLQVWUXPHQW5HFDOLEUDWLRQRUUHVHWWLQJWKHVWDWHVKRXOGFOHDUWKHHUURU,IWKHHUURUSHUVLVWVDKDUGZDUHIDLOXUHPD\KDYHRFFXUUHG

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Bias Supplies Problems&KHFNWKDWWKHLQSXWWRWKHYROWDJHUHJXODWRUVRIWKHELDVVXSSOLHVLVDWOHDVW9JUHDWHUWKDQWKHLURXWSXW&LUFXLWIDLOXUHVFDQFDXVHKHDY\ORDGVRIWKHELDVVXSSOLHVZKLFKPD\SXOOGRZQWKHUHJXODWRURXWSXWYROWDJHV&KHFNWKHYROWDJHVRIELDVVXSSOLHVDVWDEXODWHGEHORZ

Table A-1 Bias Supplies Volta ges

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Bias Supply Minimum Maximum Check At

+5V Floating +4.75 V +5.25 V U110 pin 2

-5.1V Floating -4.75 V -5.25 V Anode of CR114

+15V Floating +14.25 V +15.75 V Anode of CR104

-15V Floating -14.25 V -15.75 V Cathode of CR105

163

Appendix Service InformationSelf-Test Procedures

Self-Test Procedures

Power-On Self-Test(DFKWLPHWKHSRZHUVXSSO\LVSRZHUHGRQDVHWRIVHOIWHVWVDUHSHUIRUPHG7KHVHWHVWVFKHFNWKDWWKHPLQLPXPVHWRIORJLFDQGPHDVXUHPHQWKDUGZDUHDUHIXQFWLRQLQJSURSHUO\)DLOXUHVGXULQJWKHSRZHURQVHOIWHVWXWLOL]HHUURUFRGHVWKURXJKDQGWKURXJK

Complete Self-Test+ROGDQ\IURQWSDQHONH\H[FHSWWKH©©9LHZªªNH\IRUPRUHWKDQVHFRQGVZKLOHWXUQLQJRQWKHSRZHUWRSHUIRUPDFRPSOHWHVHOIWHVW7KHSRZHUVXSSO\EHHSVZKHQWKHWHVWVWDUWV7KHWHVWVDUHSHUIRUPHGLQWKHRUGHUVKRZQEHORZ

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164

Appendix Service InformationSelf-Test Procedures

Service

Information

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165

Appendix Service InformationGeneral Disassembl y

General Disassembly

166

Appendix Service Information5HFRPPHQGHG7HVW(TXLSPHQW

Service

Information

Recommended Test Equipment

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Table A-2 Recommended Test Equipment

* To find the accurate resistance, it is recommended to use a current monitoring resistor after calibration.1E3640A model, 2E3641A model, 3E3642A model, 4E3644A, 5E3643A, 6E3645A model.

Instrument Requirements Recommended Model Use

GPIB controller Full GPIB or RS-232 capabilities

Agilent 82341C interface card or equivalent

Programming and readback accuracy

Oscilloscope 100 MHz with 20 MHz bandwidth

Agilent 54602B Display transient response and ripple & noise waveform

RMS Voltmeter 20 Hz to 20 MHz Measure rms ripple & noise

Cable (BNC to BNC) 50 ohm, 9 inch (23 Cm) Agilent 10502A or 10503A if the 10502A is not available

Measure rms ripple & noise(CV PARD, CC PARD)

BNC (Female) Bulkhead Receptacle

Isolated Ground.Nominal impedance: 50 Ohm

Pomona Model 5148 Measure rms ripple & noise(CV PARD, CC PARD)

Split Ferrites For use with round cable Steward Co. 28A2029-0A0 Noise coupling reduction

Digital Voltmeter Resolution: 0.1 mV

Accuracy: 0.01%

Agilent 34401A Measure dc voltages

Electronic Load Voltage Range: 240 VdcCurrent Range: 10 AdcOpen and Short SwitchesTransient On/Off

Agilent 60503B Measure load and line regulations and transient response time.

Resistive Loads (RL) (2.7 Ω, 150 W/13.5 Ω, 150 W)1

(43.8 Ω, 300 W/120 Ω, 300 W)2

(1.6 Ω, 300 W/8.0 Ω, 300 W)3

(1.0 Ω, 300 W/5.0 Ω, 300 W)4

(25 Ω, 300 W/75 Ω, 300 W)5

(15.9Ω, 300W/46.2Ω, 300W)6Measure ripple and noise

Current monitoring Resistor (Shunt) - RM1

(0.01 Ω, 0.1%)* ISOTEK Co. Model: A-H or equivalent

Constant current test setup

Current monitoring Resistor (Shunt) - RM2

(0.2 Ω/250 :, 0.1%)* ISOTEK Co. Model: RUG-Z or equivalent

Measure current rms ripple & noise

167

Appendix Service InformationTest Considerations

Test Considerations

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C a u t i o n The tests should be performed by qualified personnel. During performance verification tests, hazardous voltages may be present at the outputs of the power supply.

Operation Verification and Performance Tests

Operation Verification Tests7RDVVXUHWKDWWKHSRZHUVXSSO\LVRSHUDWLQJSURSHUO\ZLWKRXWWHVWLQJDOOVSHFLILHGSDUDPHWHUVSHUIRUPWKHIROORZLQJWHVWSURFHGXUHV

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168

Appendix Service InformationMeasurement Techniques

Service

Information

Measurement Techniques

Setup for Most Tests0RVWWHVWVDUHSHUIRUPHGDWWKHIURQWWHUPLQDOVDVVKRZQLQ)LJXUH$0HDVXUHWKHGFYROWDJHGLUHFWO\DWWKHDQGWHUPLQDOVRQWKHIURQWSDQHO

Figure A-1 Performance Verification Test Setup

Current-Monitoring Resistor7RHOLPLQDWHRXWSXWFXUUHQWPHDVXUHPHQWHUURUFDXVHGE\WKHYROWDJHGURSVLQWKHOHDGVDQGFRQQHFWLRQVFRQQHFWWKHFXUUHQWPRQLWRULQJUHVLVWRUEHWZHHQWKHRXWSXWWHUPLQDODQGWKHORDGDVDIRXUWHUPLQDOGHYLFH&RQQHFWWKHFXUUHQWPRQLWRULQJOHDGVLQVLGHWKHORDGOHDGFRQQHFWLRQVGLUHFWO\DWWKHPRQLWRULQJSRLQWVRQWKHUHVLVWRUHOHPHQWVHH5MLQ)LJXUH$

DVM, Scope, or RMS

169

Appendix Service InformationMeasurement Techniques

General Measurement Techniques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

Figure A-2 Front/Rear Panel Terminal Connections

Electronic Load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TO MONITORING DEVICE

TO LOAD OR CURRENT RESISTOR

[Front Panel (Side View)] (Rear Panel)

170

Appendix Service InformationConstant Volta ge (CV) Verifications

Service

Information

Constant Voltage (CV) Verifications

Constant Voltage Test Setup,IPRUHWKDQRQHPHWHURULIDPHWHUDQGDQRVFLOORVFRSHDUHXVHGFRQQHFWHDFKWRWKHDQGWHUPLQDOVE\DVHSDUDWHSDLURIOHDGVWRDYRLGPXWXDOFRXSOLQJHIIHFWV8VHFRD[LDOFDEOHRUVKLHOGHGZLUHFDEOHWRDYRLGQRLVHSLFNXSRQWKHWHVWOHDGV

Table A-3 Verification Pro grammin g Values

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VOLT 0

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Model Low volta ge range

High volta ge range Model Low volta ge

rangeHigh volta ge

range

E3640A 8V/3A 20V/1.5A E3643A 35V/1.4A 60V/0.8A

E3641A 35V/0.8A 60V/0.5A E3644A 8V/8A 20V/4A

E3642A 8V/5A 20V/2.5A E3645A 35V/2.2A 60V/1.3A

For E3640A model, and see 7DEOH$for other models

171


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172


Service

Information

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*For E3640A/42A/44A models. **For E3641A/43A/45A models. For E3640A model, and see 7DEOH$for other models

173


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N o t e For better measurement result, it is recommended to make the connection betweenthe BNC receptacle and the output terminals shorter as much as possible, and to usthe recommended split ferrites with the cable (BNC to BNC) as shown above.

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*For E3640A/42A/44A models. **For E3641A/43A/45A models. For E3640A model, and see 7DEOH$for other models.´For E3640A model, and see 7DEOH$for other models.

174


Service

Information

Load Transient Response Time7KLVWHVWPHDVXUHVWKHWLPHIRUWKHRXWSXWYROWDJHWRUHFRYHUWRZLWKLQP9RIQRPLQDORXWSXWYROWDJHIROORZLQJDORDGFKDQJHIURPIXOOORDGWRKDOIORDGRUKDOIORDGWRIXOOORDG

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Figure A-4 Transient Response Time


175

Appendix Service InformationConstant Current (CC) Verifications

Constant Current (CC) Verifications

Constant Current Test Setup)ROORZWKHJHQHUDOVHWXSLQVWUXFWLRQVLQWKH*HQHUDO0HDVXUHPHQW7HFKQLTXHV¶RQSDJHDQGWKHVSHFLILFLQVWUXFWLRQVZLOOEHJLYHQLQWKHIROORZLQJSDUDJUDSKV

Current Programming and Readback Accuracy7KLVWHVWYHULILHVWKDWWKHFXUUHQWSURJUDPPLQJDQG*3,%RU56UHDGEDFNIXQFWLRQVDUHZLWKLQVSHFLILFDWLRQV1RWHWKDWWKHUHDGEDFNYDOXHVRYHUWKHUHPRWHLQWHUIDFHVKRXOGEHLGHQWLFDOWRWKRVHGLVSOD\HGRQWKHIURQWSDQHO7KHDFFXUDF\RIWKHFXUUHQWPRQLWRULQJUHVLVWRUPXVWEHRUEHWWHU

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176


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E3640A E3641A E3642A E3643A E3644A E3644A

3 A ± 16 mA 0.8 A ± 11.6 mA 5 A ± 20 mA 5 A ± 20 mA 8 A ± 26 mA 8 A ± 26 mA

E3640A E3641A E3642A E3643A E3644A E3642A

(IO ± 9.5 mA) (IO ± 6.2 mA) (IO ± 12.5 mA) (IO ± 7.1 mA) (IO ± 17 mA) (IO ± 8.3 mA)


177


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E3640A E3641A E3642A E3643A E3644A E3645A

0.55 mA 0.33 mA 0.75 mA 0.39 mA 1.05 mA 0.47 mA

E3640A E3641A E3642A E3643A E3644A E3645A

0.55 mA 0.33 mA 0.75 mA 0.39 mA 1.05 mA 0.47 mA


178


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N o t e : For better measurement result, it is recommended to make the connection betweenthe BNC receptacle and the output terminals shorter as much as possible, and to usthe recommended split ferrites with the cable (BNC to BNC) as shown above.

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179

Appendix Service InformationCommon Mode Current Noise

Common Mode Current Noise

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180

Appendix Service InformationPerformance Test Record for Your Power Suppl y

Service

Information

Performance Test Record for Your Power Supply

CV Performance Test Record

Test Description Models Actual ResultSpecifications

Upper Limit Lower Limit

CV Programming Accuracy @ 0 volts (DVM reading)

all +0.0100 V -0.0100 V

CV Readback Accuracy @ 0 volts

all DVM +0.0050 V DVM -0.0050 V

CV Programming Accuracy @ Full Scale (DVM reading)

E3640A/42A/44A +20.0200 V +19.9800 V

E3641A/43A/45A +60.0400 V +59.9600 V

CV Readback Accuracy @ Full Scale

E3640A/42A/44A DVM + 0.0150 V DVM - 0.0150 V

E3641A/43A/45A DVM + 0.0350 V DVM - 0.0350 V

CV Load Effect (Load Regulation)

E3640A/42A/44A Maximum change: < 5 mV


CV Source Effect (Line Regulation)



CV PARD (Normal mode) E3640A/42A/44A < 5 mVp-p / 0.5 mVrms

E3641A/43A/45A < 8 mVp-p / 1 mVrms

Load Transient Response Time

all < 50 µsec

181

Appendix Service InformationPerformance Test Record for Your Power Suppl y

CC Performance Test Record

Test Description Models Actual Result

Specifications

Upper Limit Lower Limit

CC Programming Accuracy @ 0 amps (IO)

all +0.0100 A -0.0100 A

CC Readback Accuracy @ 0 amps all IO + 0.0050 A IO - 0.0050 A

CC Programming Accuracy @ Full Scale (IO)

(E3640A) 3.01600 A 2.9840 A

(E3641A) 0.8116 A 0.7884 A

(E3642A) 5.02 A 4.98 A

(E3643A) 1.4128 A 1.3872 A

(E3644A) 8.026 7.974 A

(E3645A) 2.2144 2.1856 A

CC Readback Accuracy @ Full Scale (E3640A) IO + 0.0095 A IO - 0.0095 A

(E3641A) IO + 0.0062 A IO - 0.0062 A

(E3642A) IO + 0.0125 A IO - 0.0125 A

(E3643A) IO + 0.0071 A IO - 0.0071 A

(E3644A) IO + 0.0170 A IO - 0.0170 A

(E3645A) IO + 0.0083 A IO - 0.0083 A

CC Load Effect (Load Regulation) (E3640A) Maximum change: < (0.55 mA)

(E3641A) Maximum change: < (0.33 mA)





CC Source Effect (Line Regulation) (E3640A) Maximum change: < (0.55 mA)






CC PARD (Normal mode) all < 4 mA rms

CC PARD (Common mode) all < 1.5 µA rms

182

Appendix Service InformationCalibration Reference

Service

Information

Calibration Reference

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183

Appendix Service InformationGeneral Calibration/Ad justment Procedure

General Calibration/Adjustment Procedure

N o t e The power supply should be calibrated after 1-hour warm-up with no load connected. And Perform the voltage calibration prior to the OVP calibration.

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Table 3-2 Parameters for Calibration

CalibrationParameter

Volta ge/Current

Calibration Point mnemonic

VOLTAGE CAL Voltage

V LO

V MI

V HI

OVP CAL OVP None

CURRENT CAL Current

I LO

I MI

I HI

184


Service

Information

, t

Front Panel Voltage and Current Calibration

N o t e Before attempting to calibrate the power supply, you must unsecure the power supplyand disconnect all loads from the power supply and connect a DVM across the outputerminals. See “Cenni preliminari sulla calibrazione”, starting on page 62 to unsecure.

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188

Appendix Service InformationCalibration Record for Your Power Suppl y

Service

Information

Calibration Record for Your Power Supply

Step Calibration Description Measurement Mode (DVM)

Supply Being Adjusted

1 Turn on the calibration mode by holding down the "Calibrate" key as you turn on the power supply until you hear a long beep.

2 Unsecure the power supply if secured. (See page 62)

3 Press "Calibrate" key to move down menu to voltage calibration menu. A "VOLTAGE CAL" is displayed. Press "Calibrate" key to select the low voltage calibration point.

Voltage Calibration

4A low voltage calibration point is displayed. Enter the DVM reading by using the knob and resolution keys. Press "Calibrate" key to save the changes and select the middle calibration point.

V Low voltage calibration

5A middle voltage calibration point is displayed. Enter the DVM reading by using the knob and resolution selection keys. Press "Calibrate" key to save the changes and select the high calibration point.

VMiddle voltage

calibration

6A high voltage calibration point is displayed. Enter the DVM reading by using the knob and resolution selection keys. Press "Calibrate" key to save the changes and select the OVP calibration.

VHigh voltage calibration

7 "OVP CAL" is displayed. Press "Calibrate" key to run the overvoltage calibration. A "CALIBRATING" is displayed to indicate that the calibration is progressing.

VOVP calibration

8 Connect shunt resistor (0.01 Ω) across the output terminals. And press "Calibrate" key to select the current calibration. Current calibration

9

A low current calibration point is displayed. Enter the computed value (DVM reading / by shunt resistance) by using the knob and resolution keys. Press "Calibrate" key to save the changes and select the middle calibration point.

A Low current calibration

10

A middle current calibration point is displayed. Enter the computed value (DVM reading / by shunt resistance) by using the knob and resolution keys. Press "Calibrate" key to save the changes and select the high calibration point.

A Middle current calibration

11A high current calibration point is displayed. Enter the computed value (DVM reading / by shunt resistance) by using the knob and resolution keys. Press "Calibrate" key to save the changes

A High current calibration

13 Turn off the "Power" switch to exit the calibration menu. Exit CAL MODE

189

Appendix Service InformationCalibration Error Messa ges

Calibration Error Messages

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Error Error Messages

701 Cal security disabled by jumper

702 Cal secured

703 Invalid secure code

704 Secure code too long

705 Cal aborted

706 Cal value out of range

708 Cal output disabled

712 Bad DAC cal data

713 Bad readback cal data

714 Bad OVP cal data

717 Cal OVP status enabled

718 Gain out of range for gain error correction

740 Cal checksum failed, secure state

741 Cal checksum failed, string data

743 Cal checksum failed, store/recall data in location 1



746 Cal checksum failed, DAC cal constants

747 Cal checksum failed, readback cal constants

748 Cal checksum failed, GPIB address

749 Cal checksum failed, internal data



190

Appendix Service InformationReplaceable Parts

Service

Information

Replaceable Parts

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191


E3640A/41A/42A/43A/44A/45A Power Supply Assembly

Reference Designator

Agilent Part Number Q’ty Part Description Mfr.

codeMfr. Part Number

F100-F102 0699-2715 3 FUSIBLE RES 1 OHM 5% 1/2W 01542 FN1/2

S102 3101-2976 1 SW-PB DPST 6A 250V 04486 NE18-2A-EE-SP

8120-8767 1 POWER CORD FOR STD/0E9 GY-062 or 22631 SP-305+IS-14

8120-8768 1 POWER CORD FOR 0E3 GY-062 22631 SP-022+IS-14

(E3640A/41A) 2110-1069 1 FUSE 1.5A T 125V FOR 100 AND 115 Vac 01542 51S015L

(E3640A/41A) 2110-0457 1 FUSE 1A T 250V FOR 230 Vac 01542 50T010H


(E3642A/43A) 2110-0457 1 FUSE 1A T 250V FOR 230 Vac 01542 50T010H


(E3644A/45A) 2110-1068 1 FUSE 2A 50 T 250V FOR 230 Vac 02805 50T020H

34401-45011 1 HANDLE-FRONT 02362 34401-45011

34401-86011 1 BUMPER-FRONT 02362 34401-86011

34401-86012 1 BUMPER-REAR 02362 34401-86012

34401-88304 1 REAR BEZEL 02362 34401-88304

E3640-40002 1 PUSH ROD 01542 E3640-40002

E3640-40003 1 KNOB 01542 E3640-40003

E3640-60030 1 PROGRAMMED ROM (IC 2M-BIT OTP 150NS CMOS) 01542 E3640-60030

E3640-60011 1 FRONT FRAME ASSEMBLY FOR E3640A 01542 E3640-60011




E3640-60013 1 TRANSFORMER ASSEMBLY FOR E3640A 01542 E3640-60013




E3640-60016 1 TERMINAL BLOCK ASSEMBLY 01542 E3640-60016

E3644-60006 1 DC Fan ASSEMBLY 01542 E3644-60006

192


Service

Information

Manufacturer’s List

Mfr. code Manufacturer’s name Manufacturer’s Address

01542 Agilent DIV 01 SAN JOSE COMPONENTS SAN JOSE, CA, USA

02805 COOPER INDUSTRIES INC HOUSTON, TX, USA

02362 Agilent DIV 09 LID COMPONENTS LOVELAND, CA, USA

22631 I SHENG ELECTRIC WIRE & CABLE CO KUEI-SHAN, TW

193


194

Indice
Per ulteriori informazioni relative al funzionamento dell'alimentatore, chiamare il numero 1-800-452-4824 negli Stati Uniti oppure contattare l'ufficio vendite Agilent Technologies più vicino.
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Alimentatori DC a uscita singola Agilent Technologies...

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