Programming Some Power Supply Functions (continued)

1130

'Enable Status Byte OPER summary bit

 

1135

CODES$ = "*SRE 128"

:GOSUB 2000

1140

 

 

 

1146

'Arm trigger circuit and send trigger to power supply

 

1150

CODES$ = "INITIATE;TRIGGER" :GOSUB 2000

 

1160

'Wait for supply to respond to trigger

 

1165

FOR I= 1 to 100 :NEXT I

 

1170

 

 

 

1175

'Poll for interrupt caused by change to CC mode and print to screen

 

1180

SPOL%=O

 

 

 

1186

CALL IBRSP(PS%,SPOL%)

 

1190

IF (SPOL% AND 128) = 128 THEN POLL = 1 'Set interrupt flag on OPER bit

 

1195

IF POLL < > 1 THEN GOTO 1230

'No interrupt to service

1200

"CODES$ = "STAT:OPER:EVEN?" :GOSUB 2000

'Query status oper register

1205

CALL IBRD(PS%,OEVENT$)

'Read back event bit

1210

IF IBSTA% <0 THEN GOTO 21OO

 

1215

OEVENT=VAL(OEVENT$)

 

1220

IF (OEVENT AND 1024) = 1024 THEN PRINT "Supply switched to CC mode."

 

1225

 

 

 

1230

'Clear status circuit

 

1235

CODES$="*CLS"

:GOSUB 2000

 

1240

FOR I=1 TO 50

:NEXT I

'Wait for supply to clear

1245

 

 

 

1250

'Disable output and save present state to location 2

 

1255

CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 2000

 

1260

END

 

 

 

1265

 

 

 

2000

'Send command to power supply

 

2005

CALL IBWRT(PS%,CODES$)

 

2010

IF IBSTAT% < 0 THEN GOTO 2100

'Error detected

2015

RETURN

 

 

 

1250

'Disable output and save present state to location 2

 

1255

CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 2000

 

1260

END

 

 

 

1265

 

 

 

2000

'Send command to power supply

 

2005

CALL IBWRT(PS%,CODES$)

 

2010

IF IBSTAT% < 0 THEN GOTO 2100

'Error detected

2015

RETURN

 

 

 

2020

 

 

 

2100

'Error detection routine

 

2105

PRINT "GPIB error. IBSTAT%. = &H";HEX$(IBSTAT%)

 

2110

PRINT “

 

IBERR% = ";IBERR%" in line ";ERL

 

2115

STOP

 

 

 

2120

 

 

 

3000

'Get data from power supply

 

3005

CALL IBRD(PS%,OUTPUT$)

 

3010

IF IBSTA% < 0 THEN GOTO 2100

 

3015

I=1

'

 

'Parse data string

3020

X=1

 

 

 

3025

C=INSTR(I,OUTPUT$,";")

 

Remote Programming 23

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Agilent Technologies 667xA, 665xA, 664xA, 669xA, 668xA manual Programming Some Power Supply Functions continued, 1130

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