Remote Operation
Introduction
5
5-3
Warning
The 5520A Calibrator (hereafter referred to as “The Calibrator”)
can produce voltages up to 1000 V rms and must be
programmed with caution to prevent hazardous voltages from
being produced without sufficient warning to the operator.
Write programs carefully and test them extensively to ensure
safe operation of the Calibrator. Fluke suggests that you
include error-catching routines in your programs. These error-
catching routines will help you identify programming errors
that may cause the Calibrator to behave other than intended.
You can program the Calibrator to cause an SRQ when an error
is detected by setting the Service Request Enable (SRQ)
register. The following skeleton program includes error-
catching code:
10 PRINT @4,
“
*CLS
”
! Clear status
20 PRINT @4,
“
*SRE 8
”
! Set SRE Error Available
30 ON SRQ GOTO 1000 ! Enable SRQ Function
100 ! Place body of program here
900 STOP ! End of program
1000 REM Start of SRQ Handler ! Start routine
1010 PRINT @4,
“
FAULT?
”
! Request fault code
1020 INPUT @4, A% ! Input fault code
1030 PRINT @4,
“
EXPLAIN?
“
;A% ! Request fault text
1040 INPUT @4, A$ ! Input fault text
1050 PRINT
“
Fault
“
;A$
”
detected
”
! Print message
1060 PRINT @4,
“
STBY
”
! Place 5520A in standby
1070 STOP
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