13
IEEE-488.2 Common Commands
114
Keysight U2722A/U2723A Programmer’s Reference
*ESE/*ESE?
Syntax
*ESE <enable_value>
This command enables bits in the enable register for the Standard Event register
group. The selected bits are then reported to bit 5 of the Status Byte register.
*ESE?
This will query the Standard Event register group.
Parameter
Remarks
– The following table lists the bit definitions for the Standard Event register.
Item
Type
Range of values
Default value
<enable_value>
NRf
A decimal value that corresponds to the binary-weighted
sum of the bits in the register. Refer to the table below.
This is a required
parameter.
Bit number
Decimal value
Definition
0 Operation Complete
1
All commands prior to and including *OPC have been executed.
1 Not Used
2
Always zero.
2 Query Error
4
The instrument tried to read the output buffer but it was empty. Or, a new
command line was received before a previous query has been read. Or, both
the input and output buffers are full.
3 Device-Dependent Error
8
A self-test or calibration error occurred. For a complete listing of the error
messages, refer to
4 Execution Error
16
An execution error occurred (an error in the –200 range has been generated.
5 Command Error
32
A command syntax error occurred (an error in the –100 range has been
generated).
6 Not Used
64
Always zero.
7 Power On
128
Power has been turned off and on since the last time the event register was
read or cleared.
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