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Remote Operation 77
Service Request Enable/Disable. You can query the status of the service request enable/disable function by sending
the query:
SRQ?
and addressing the power supply to talk. The response from the supply is one of the following:
0, 1, 2, or 3
0--indicates that the service request capability (except for power-on; see The Power On-Service Request
information below) is disabled.
1--indicates that it is enabled for output fault conditions.
2--indicates that it is enabled for error conditions.
3--indicates that it is enabled for both fault and error conditions
The ability to generate service requests can be enabled or disabled using the SRQ command as described below.
To disable the service request capability, except for power-on, send:
SRQ 0
To enable the service request capability for all output faults,
SRQ 1
To enable the service request capability for errors, send:
SRQ 2
To enable the service request capability for both faults and errors, send:
SRQ 3
The Power-On Service Request. You can also cause the power supply to request service every time it is switched on
or every time there is a temporary loss in power. To do this send the following command:
PON 1
If you want to disable this facility, send the command.
PON 0
If you want to find out if the power-on SRQ is enabled or disabled, send the following query:
PON ?
and address the supply to talk. The supply will respond with a 1 or 0 as discussed above.
NOTE The power-on (PON) SRQ mode is stored in the non-volatile memory of the supply so that although the
supply may be switched off, it will remember the status of the last PON command at power-on and
respond accordingly.