Keithley 7001, Instruction Manual

Page: 326 / 353

Controller Programs
C-6
Hewlett-Packard Model 9000
Series 200/300
Introduction
The following program sends a command message to
the Model 7001 from a Hewlett-Packard Model 9000
Series 200/300 computer and displays the response to
queries on the computer CRT. The computer must be
equipped with HP BASIC 4.0.
Directions
1. Using the front panel MENU key and the GPIB
menu item, set the primary IEEE-488 address of
the Model 7001 to 7.
2. With the power off, connect the Model 7001 to the
IEEE-488 interface card installed in the HP com-
puter.
3. Enter the lines in the program below, using the EN-
TER/RETURN key after each line.
4. Press the RUN key and type in the desired com-
mand string at the ENTER COMMAND MES-
SAGE prompt. For example, to request the
currently deÞned Scan List, type in :SCAN? and
press the return key. The Scan List will appear on
the computer CRT.
10 DIMA$[50], B$[50]
20 remote 707 ! Place 7001 in remote.
30 LINPUT “ENTER COMMAND MESSAGE”, A$ ! Prompt for command.
40 OUTPUT 707; A$ ! Address 7001 to listen; send command.
50 L=LEN(A$)
60 IF A$[L,L] <> “?” THEN GOTO 30 ! If command is not a query, goto 30.
70 ENTER 707; B$ ! If query, address 7001 to talk.
80 PRINT B$ ! Display response to query command.
90 GOTO 30 ! Repeat
100 END
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