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GPIB Command Compatibility List Error Handling
254 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
Error Handling
Most error commands and error texts for all instruments are new.
The HP 8153A timed out for every error. Errors are handled differently by
the Agilent 8163A/B and 8164A/B; instead of timing out for every error,
special values are returned for erroneous queries. Table 16 and Table 17
detail the new errors
The error queue is written to as before.
Table 16 Error Handling Changes
Expected Return Value Returned Value Affects
FLOAT(32/64) FLT/DBL_MAX 8153
(U)INT(16/32) (U)INT(16/32)_MAX 8153
Block " " 8153
Boolean Value 0 8153
Enum Time out 8153
Table 17 Specific Errors
Command Change Affects
FETCh:POWer? - without
using a preceding trigger
Returns the last valid value instead of timing
out.
No error is generated.
8153