General Program Instructions - Keithley 2302 Instruction Manual

General program instructions

Follow the steps below to use the example calibration program, which calibrates both Chan-
nel #1 and Channel #2.
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Program D-1
Model 2306 calibration program
' Model 2306 calibration program for using Keithley Model 2001 DMM.
' Rev. 1.0, 3/15/98
' 2306 primary address = 16. 2001 primary address = 17.
OPEN "IEEE" FOR OUTPUT AS #1
OPEN "IEEE" FOR INPUT AS #2
PRINT #1, "INTERM CRLF"
PRINT #1, "OUTTERM LF"
PRINT #1, "REMOTE 16 17"
PRINT #1, "OUTPUT 16;*CLS"
PRINT #1, "OUTPUT 16;*ESE 1;*SRE 32"
PRINT #1, "OUTPUT 17;:SYST:PRES"
PRINT #1, "OUTPUT 17;:FORM:ELEM READ"
C$ = ":CAL:PROT:STEP"
FourOhm = 4
ThreeK = 3000
CLS
PRINT "Model 2306 Calibration Program"
PRINT #1, "OUTPUT 16;:CAL:PROT:CODE 'KI002306'"'Unlock calibration.
PRINT #1, "OUTPUT 16;:CAL:PROT:INIT"
GOSUB ErrCheck
GOSUB KeyCheck
FOR I = 0 TO 17 ' Loop for all cal steps.
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With the power off, connect the Model 2306 and the digital multimeter to the IEEE-488
interface of the computer. Be sure to use shielded IEEE-488 cables for bus connections.
Turn on the computer, the Model 2306, and the digital multimeter. Allow the Model
2306 and the multimeter to warm up for at least one hour before performing calibration.
Make sure the Model 2306 is set for a primary address of 16.
Make sure the digital multimeter primary address is set to 17.
Make sure that the computer bus driver software (CECHP.EXE) is properly initialized.
Enter the QBasic editor, and type in Program C-1. Be sure to use the actual characterized
resistor values when entering the parameters.
Check thoroughly for errors, then save the program using a convenient filename.
Run the program, and follow the prompts on the screen to perform calibration. For test
connections, refer to the following figures in Section 14:
• Voltage connections: Figure 14-1.
• 5A current connections: Figure 14-2.
• 5mA current connections: Figure 14-3.
Calibration Program D-3
' Open IEEE-488 output path.
' Open IEEE-488 input path.
' Set input terminator.
' Set output terminator.
' Put 2306, 2001 in remote.
' Initialize 2306.
' Enable OPC and SRQ.
' Initialize 2001.
' Reading only.
' Partial command header.
' Use characterized 4 ohm value.
' Use characterized 3 k ohm value.
' Initiate calibration.