Fluke 8840A User Manual

Remote Programming
EXAMPLE PROGRAMS I i
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I! The following program illustrates one possible use of the serial poll register. In this
2! case it is merely looking for data available. The insmqt is addressed on port Oy
3! device #4 under control of a We 1720A or 172% insnu+nent controller. The function
4! of this program is to display on the controller screen the Iswest resistance measured
5! across the input terminals of the 88MA using the 2-wire ob function in autorange.
6! The command string sets up the 8840A by using the Put ihent Configuration command PO1
7!
8! FLUKE-BASIC on 1720A, 1722iA
9!
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100 INIT PORT 0 \ CLEAR PORT 0 \ WAIT 500 !Clear port, imtrurnent, delay
110 PRINT @4,
"N3001PO Yl ?"
!instrument fLj,ctions and trigger
l20
INPUT @4, A&§
!Get first rea&g
130 PRINT
"
",A,A$;"S (2-wire) Lowest Reading"
140
TRIG @4 ~
160 B%=SPL(4) !Get serial poll registqr I
170 IF (B%=O%) THEN 160
!Looking for qta available
175 INPUT @4,R,A$
!Get next
data,
180 IF R> =A THEN 140
!Throw away
gats if not lowest
,
185 A=R !Update lowest reading
190
GOT0 130 !Print new low I
900 END
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3-24
Figure 3-12. Example Program: Using the qrial Poll Registel
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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