D - Example Programs

Example 2. IBM Controller Using National Interface

990’---------------------- Merge DECL.BAS here ------------------------

1000 ’DC Source Variable = PS% ; Stand-Alone Address = 706 1005 CODES$=SPACE$(50):MODE$=SPACE$(5):OEVENT$=SPACE$(20)

1010 D$=SPACE$(60):OUTPUT$=SPACE$(40):BDNAME$="PS%"

1015 DIM OUTPUT(2)

1020 ’

1025 ’Set up dc source interface for DOS driver

1030 CALL IBFIND(BDNAME$,PS%)

1035 IF PS%

1040 CALL IBCLR(PS%)

1045 ’

1050 ’Program dc source to CV mode with following voltage and current 1055 CODES$ = "VOLTAGE MAX;CURRENT MAX" :GOSUB 2000

1060 ’

1065 ’Query dc source outputs and print to screen

1070

CODES$ = "MEASURE:VOLTAGE?;CURRENT?"

:GOSUB 2000 :GOSUB 3000

1075

VOUT = OUTPUT(1)

 

 

 

 

 

1080

IOUT = OUTPUT(2)

 

 

 

 

 

1085

PRINT"The programmed levels are "VOUT" Volts and "IOUT" Amps"

1090

’

 

 

 

 

 

1095

’Program triggered current level to value insufficient to maintain

1100

’supply within its CV operating characteristic

1105

CODES$ = "CURR:TRIG MIN"

:GOSUB 2000

 

 

1110

’

 

 

 

 

 

1115

’Set operation status mask to detect mode change from CV to CC

1120

CODES$ = "STAT:OPER:ENAB 1024;PTR 1024"

 

:GOSUB 2000

1125

’

 

 

 

 

 

1130

’Enable Status Byte OPER summary bit

 

 

1135

CODES$ = "*SRE 128"

:GOSUB 2000

 

 

1140

’

 

 

 

 

 

1145

’Arm trigger circuit and send trigger to dc source

1150

CODES$ = "INITIATE:SEQUENCE1;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%=0

 

 

 

 

 

1185

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%

 

 

 

 

 

1215

OEVENT=VAL(OEVENT$)

 

 

 

 

1220

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

96

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Agilent Technologies 6631B, 6634B, 66332A, 6633B, 6632B Example 2. IBM Controller Using National Interface, Call IBCLRPS%
Page 95 Page 97

6613C, 66312A, 6631B, 6611C, 6614C specifications

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