Error Messages - Racal Instruments 2251A Operator's Manual

Universal timer/counter
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3.17

Error Messages

3.17.1
This section lists the errors the 2251A can generate. Refer to Table 3.19 for these
messages, and an explanation of the cause of each error. Errors 50 to 58 may only be
generated if the appropriate special function is enabled and the Check function is selected.
ERROR
01
02
03
04
05
50
51
52
53
54
55
56
57
58
NOTES:
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Table 3.19 - 2251A STA Error Code Set
Signals of different frequencies used in phase
measurement mode
Measurement result too large
Internal counter overflow
Numerical entry error
GPIB syntax error
Check mode error
X1/X10 Input A relay check failure
50 S/1MS Input A relay check failure
AC/DC coupling Input A relay check failure
Input A low pass filter relay check failure
COM A relay check failure
X1/X10 Input B relay check failure
50 S/1MS Input B relay check failure
AC/DC coupling Input B relay check failure
1.
When Error 05, GPIB Syntax Entry Error occurs, the erroneous
command string will be correctly executed up to the error; the rest
will be handshaken, but not executed. Receipt of the next valid
command clears the error.
2.
Errors 50 to 58 are only possible when the Check function is
programmed, and are read via Word Serial Protocol. They do not
cause generation of the SRQ. The error will be reported in
e n g i n e e r i n g
format,
CK+0000000051.e+00.
EXPLANATION
e.g.,
Error
51
is
reported
as
3-25

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