Keithley 2001 User Manual

Controller Programs
G-4
Program 2
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
DEF SEG=&HC400
INITIALIZE=0
SEND=9: ENTER=21
MY. ADDRESS%=21
INST.ADDRESS%=16
CONTROLLER%=0
CALL INITIALIZE (MY.ADDRESS%, CONTROLLER%)
LINE INPUT “Enter Program Message”; CMD$
CALL SEND (INST.ADDRESS%, CMD$, STATUS%)
Length = LEN (CMD$)
FOR I = 1 TO Length
Char$ = MID$ (CMD$, I, 1)
IF Char$ = “?” THEN GOTO 160
NEXT
GOTO 80
RESPONSE$=SPACE$ (80)
CALL ENTER (RESPONSE$, LENGTH%, INST.ADDRESS%, STATUS%)
PRINT RESPONSE$
GOTO 80
END
‘ Memory address.
‘ Offset address of routine.
‘ Set PC<>488 address.
‘ Set 2001 address.
‘ Set for system control.
‘ Initialize system.
‘ Prompt for program message.
‘ Send command message.
‘ Determine length of input string.
‘ Identify character in input string.
‘ If character is “?”, then goto 160.
‘ If message is not a query, go to 80.
‘ Make room for data.
‘
‘ Display response message.
‘ Repeat.

Keithley 2001 Specifications

General

Model	2001
Category	Multimeter
Manufacturer	Keithley
Type	Digital Multimeter
Digits of Resolution	7.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Connectivity	GPIB, RS-232
Display	VFD
Resistance Accuracy	0.008% + 2.0 mΩ
Frequency Accuracy	±0.01%
DC Current Range	10 μA to 3 A
AC Current Range	10 μA to 3 A
Power Supply	100 V to 240 V AC, 45 Hz to 66 Hz