Fluke 8840A User Manual

Remote Programming
WMPLE PROGRAMS
10 REM The following application program is written in BASICA for the IBM PC, PC-XI' or
20
REJM PGAT. The National Instnrments Model GPIB-PCIIA bard provides the interface
30
REM between the PC and the Fluke 884049 DMM. The program assumes that the configuration
40 REM program IBCONF has been run to initialize the interfake board with the device
50
REM name IWA assigned to the GPIBO board.
60 REM
70 REM The first 6 lines of code are required to properly link the NI drivers to BMCA
80REWl
90 REM This program selects VDC (Fl), Autorange (RO), Slow rate (SO), Continuous trigger W)
100 REM and suffixes enabled (Yl). All readings appear simultlaneously on the instrument
110
REM display and the PC screen with &es enabled for fuplction readout. Full local
120 REM control is given to the 8840A Note the local control must be given to the board
130 REM and not the device. Press <CTRL> BREAK to terminate this program.
140 REM
150 CLEAR ,59736!
160 IBINITl = 59736!
170 IBINIT2 = IBIMTl + 3
180 BLOAD "bib.m",IBINITl
190
CALL IBINITI BBFIND,IBTRG,IBCLR,IBPCT,IBSIC,IBLOC~PP~~IBBN~IBO~~C,I~~,
IBRSVJBPAD JBSADJBIST,IBDIV&IBEOS JBTMO,IBEOT,IBRDF~WRTF)
200
CALL IBINIT2 (IBGTSJBCAC JBWAIT,IBPOI(E~WRT~WRT&IBCMD,IBCMDMBRD JBRDA,IBST(
IBRPP,IBRSP,IBDIAGJBXTRC~RDI,IB~TI,IBRD~A,IBWR~$TA%,IBERR%~~)
210 REM
220 REM
IBM BASICA on IBM PC, PC-XT or PC-AT
230
REM
240 BDNAME$= "GPIBO"
250
CALL IBFIND (BDNAME$,BD%)
260 DEVNAME="IOA"
270
CALL IBFIND @EVNAME$,DVM%)
280
CALL IBCLR @W%)
290 FOR W = 1 TO 500: NEXT W
300 WRT$ = "F1ROS0TOYln
310
320
CALL IBWRT @VM%,WRT$)
330 CALL IBLOC @W%)
34OV%= O:X% = 0
350 CALL IBSRE (BD%,V%)
360
370
380 RD$ = SPACE$(18)
390
400
CALL IBRD @VM%,RD$)
4lOX%= X% + 1
420 PRINT X%, LEFT$ (RD$,16)
430 GOT0 380
440
END
'Board name is GPIBO
'Initialize the iqterface board
Device
name is 1884OA
'Initialize the D~M
'Clear device
'Wait
1 second before sending commands
'Fl=VDC, RO=gutorange, SO=slow
rate
'TO=continuou$ trig., Y1 =enable suffix
Write functions to instrument
'Give local control to instrument
'Deassert the remote enable
(RENl
'so the 8840A stays in local when a call
'to IBRD
is made
'11 characters fbr the reading, 5 for the
'suffix and
2 for the terminators
'Get data from 8840A
'Display readings
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Fluke 8840A Specifications

General

Frequency Range	20 Hz to 100 kHz
Operating Temperature	0°C to 50°C
Display	Vacuum Fluorescent
DC Current Range	0 to 2 A
AC Current Range	0 to 2 A