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B-2
Error and Status Messages
Model 6220/6221 Reference Manual
Introduction
Coded error and status messages are reported for error/status events that may
occur. The coded error and status messages are listed in
. Error/status
codes with a negative (-) number are reserved by SCPI. Positive (+) numbered
codes are instrument-dependent.
The code and message is displayed briefly on the Model 622x when the
error/status event occurs. The code and message is also place in the Error
Queue. The following commands are used to read the Error Queue:
SYStem:ERRor?
STATus:QUEue?
When a queue command is sent, the latest error/status event is returned and is
then cleared from the queue. Details on the “
” are provided on
When an error or status event occurs, a corresponding bit in a status register will
set. The status registers include the Standard Event Register, Measurement
Event Register, Operation Event Register and the Questionable Event Register.
also lists the register bit that is set by the error/status event. The status
structure is covered in
.
NOTE
Error/status 950 t962 pertain to the KI-220
Language, which is covered in
. The status regis-
ters that are affected by the listed error/status events are ex-
plained in the Model 220, 230 Programming Manual available
for download at www.keithley.com.
Table B-1
Status and error messages
Status Model
Code
Description
Register
Bit
Reference
-430
Query DEADLOCKED
Standard
B2
-420
Query INTERMINATED
Standard
B2
-410
Query INTERRUPTED
Standard
B2
-363
Input buffer overrun
Standard
B3
-350
Queue overflow
Standard
B3
-314
Save/recall memory lost
Standard
B3
-260
Expression error
Standard
B4
-241
Hardware missing
Standard
B4
-230
Data corrupt or stale
Standard
B4
-225
Out of memory
Standard
B4
-224
Illegal parameter value
Standard
B4
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