Programming Some Power Supply Functions (continued)
1220 | CALL IOENTER (PS,OEVENT) |
| 'Read back event bit |
1225 | IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR |
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1230 | IF (OEVENT AND 1024) = 1024 THEN PRINT "Supply switched to CC mode." |
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1240 | 'Clear the status circuit |
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1245 | CODES$ = "*CLS" :GOSUB 2000 |
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1260 | FOR I = 1 TO 100 :NEXT I | 'Wait for supply to clear |
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1265 | ‘ |
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1260 | 'Disable output and save present state in location 2 |
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1265 | CODES$ = "OUTPUT OFF;*SAV 2" | :GOSUB 2000 | |
1270 | END |
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1275 | ‘ |
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2000 | 'Send command to power supply |
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2005 | LENGTH = LEN(CODES$) |
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2010 | CALL IOOUTPUTS (PS,CODES$,LENGTH) | 'Send command to interface | |
2015 | IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR | ISETUP.BAS error trap | |
2020 | RETURN |
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2025 | ‘ |
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3000 | 'Get data from power supply |
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3005 | CALL IOENTERA (PS,OUTPUTS(1),MAX.ELEMENTS,ACTUAL.ELEMENTS) |
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3010 | IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR |
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3015 | RETURN |
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******************************************************************************************************
IBM Controller Using National Interface
******************************************************************************************************
990‘
1000 'Power Supply Variable = PS% ;
1005 CODES$=SPACE$(50):MODE$=SPACE$(5):OEVENT$=SPACE$(20)
1010 D$=SPACE$(60):OUTPUT$=SPACE$(40):BDNAME$=“PS%"
1015 DIM OUTPUT(2)
1020 ‘
1025 'Set up power supply interface for DOS driver
1030 CALL IBFIND(BDNAME$,PS%)
1035 IF PS%<O THEN PRINT "IBFIND Failed."
1040 CALL IBCLR(PS%)
1045 ‘
1050 'Program power supply to CV mode with following voltage and current
1055 | CODES$ = "VOLTAGE 7.8;CURRENT 480” | :GOSUB 2000 |
1060 | ‘ |
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1065 | 'Query power supply outputs and print to screen |
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1070 | CODES$ = "MEASURE:VOLTAGE?;CURRENT?" | :GOSUB 2000 :GOSUB 3000 |
1075 | VOUT = OUTPUT(1) |
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1080 | IOUT = OUTPUT(2) |
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1085 | PRINT "The programmed levels are "VOUT" Volts and "IOUT" Amps" |
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1090 | ‘ |
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1095 | 'Program triggered current level to value insufficient to maintain |
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1100 | 'supply within its CV operating characteristic |
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1105 | CODES$ = "CURR:TRIG 50" | :GOSUB 200 |
1110 | ‘ |
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1115 | 'Set operation status mask to detect mode change from CV to CC |
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1120 | CODES$ = "STAT:OPER:ENAB 1024;PTR 1024" | :GOSUB 2000 |
1125 | ‘ |
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