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22 Remote Programming
Programming Some Power Supply Functions (continued)
1220 CALL IOENTER (PS,OEVENT) 'Read back event bit
1225 IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR
1230 IF (OEVENT AND 1024) = 1024 THEN PRINT "Supply switched to CC mode."
1240 'Clear the status circuit
1245 CODES$ = "*CLS" :GOSUB 2000
1260 FOR I = 1 TO 100 :NEXT I 'Wait for supply to clear
1265 ‘
1260 'Disable output and save present state in location 2
1265 CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 2000
1270 END
1275 ‘
2000 'Send command to power supply
2005 LENGTH = LEN(CODES$)
2010 CALL IOOUTPUTS (PS,CODES$,LENGTH) 'Send command to interface
2015 IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR ISETUP.BAS error trap
2020 RETURN
2025 ‘
3000 'Get data from power supply
3005 CALL IOENTERA (PS,OUTPUTS(1),MAX.ELEMENTS,ACTUAL.ELEMENTS)
3010 IF PCIB.ERR < > NOERR THEN ERROR PCIB.BASERR
3015 RETURN
******************************************************************************************************
IBM Controller Using National Interface
******************************************************************************************************
990 ‘ --------------------- Merge DECL.BAS here ------------------------
1000 'Power Supply Variable = PS% ; Stand-Alone Address = 706
1005 CODES$=SPACE$(50):MODE$=SPACE$(5):OEVENT$=SPACE$(20)
1010 D$=SPACE$(60):OUTPUT$=SPACE$(40):BDNAME$=“PS%"
1015 DIM OUTPUT(2)
1020 ‘
1025 'Set up power supply interface for DOS driver
1030 CALL IBFIND(BDNAME$,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 ‘
1065 'Query power supply 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 50" :GOSUB 200
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 ‘