288
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
8
GPIB Command Compatibility List
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 8163A/B and 8164A/B; instead of timing out for every error, special
values are returned for erroneous queries.
on page -288 and
on page -288 detail the new errors
The error queue is written to as before.
Table 16
Error Handling Changes
Table 17
Specific Errors
Command Order
It is not yet known if there are any changes in the command order
behavior.
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
Command
Change
Affects
FETCh:POWer? - without using a
preceding trigger
Returns the last valid value instead of timing out.
No error is generated.
8153