Keithley 2461 Reference Manual page 1044

Appendix B: Common commands
*SRE
This command sets or clears the bits of the Service Request Enable Register.
Type
Command and query
Usage
*SRE <n>
*SRE?
<n>
Details
This command sets or clears the individual bits of the Status Request Enable Register.
The Status Request Enable Register is cleared when power is cycled or when a parameter value of 0
is sent with this command.
The instrument returns a decimal value that corresponds to the binary-weighted sum of all bits set in
the register.
Decimal
Bit value
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 128
Constants are only available if you are using the TSP command set. If you are using the SCPI
command set, you must use the decimal values.
Example
*SRE 0
Also see
Understanding bit settings
B-8
Model 2461 Interactive SourceMeter® Instrument Reference Manual
Affected by
:STATus:PRESet
status.preset()
Clear the Status Request Enable Register: 0
Set the instrument for an SRQ interrupt: 32
Constants
status.MSB
Not used
status.EAV
status.QSB
status.MAV
status.ESB
Not used
status.OSB
Clear the bits of the Status Request Enable Register.
(on page C-16)
Where saved
Not applicable
When set, indicates the following has occurred:
An enabled event in the Measurement Event Register has
occurred.
Not used.
An error or status message is present in the Error Queue.
An enabled event in the Questionable Status Register has
occurred.
A response message is present in the Output Queue.
An enabled event in the Standard Event Status Register
has occurred.
Not used.
An enabled event in the Operation Status Register has
occurred.
Default value
0
2461-901-01 A/November 2015