User and Programming Manual – Rev P
California Instruments
14.4.3. *ESR?
This query reads the Standard Event Status register. Reading the register clears it. The bit
configuration of this register is the same as the Standard Event Status Enable register (see
*ESE).
Query Syntax
*ESR?
Parameters None
Returned Parameters
<NR1>(Register value)
Related Commands
*CLS
*ESE
*ESE?
If the *ESR? returns the value of the status bits in the ESR register. Refer to Table 12 for the
status bits and their meaning.
Table 12: Bit configuration of standard event status register
Bit
Position
7 6 5 4 3 2 1 0
Bit Name
PON
not
used
CME EXE DDE QYE not
used
not
used
Bit Weight
128
32
16
8
4
CME
Command error
DDE
Device-dependent error
EXE
Execution error
QYE
Query error
PON Power-on
RP Series
October 2005
65
