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5 SCPI Programming Reference
The following table describes the Questionable2 assignments.
Bit
Bit Name
0
not used
1
IPK+
2
IPK-
3
CSF
4
PSP
5
SDP
6
UV
7
OCF
8
LOV
9
DOV
10-15
not used
DOV, LOV, OCF, are only available on units with firmware revision B.04.04.809 and up.
Standard Event Status Group
These registers are programmed by Common commands. The group consists of an Event and Enable
register. The Standard Event event register latches events relating to communication status. It is a
read-only register that is cleared when read. The Standard Event enable register functions similarly to
the enable registers of the Operation and Questionable status groups. Refer to
The following table describes the Standard Event Status register bit assignments.
Bit
Bit Name
0
Operation Complete
1
not used
2
Query Error
3
Device- specific Error
4
Execution Error
5
Command
6
not used
7
Power On
254
Decimal
Value
not used
0 is returned
2
Output is in positive peak current limit
4
Output is in negative peak current limit
8
A current sharing fault has occurred
16
Output is disabled by a primary/secondary protection
32
Output is disabled by a Safety Disconnect System protection
64
An under-voltage protection has occurred.
128
An internal over-current fault has occurred
256
An internal over-voltage fault has occurred
512
A DUT-applied over-voltage fault has occurred
not used
0 is returned
Decimal
Value
1
All commands before and including *OPC have been executed.
not used
0 is returned
4
The instrument tried to read the output buffer but it was empty,
a new command line was received before a previous query has been read, or both
the input and output buffers are full.
8
A device-specific error, including a self-test error, calibration error or other
device-specific error occurred.
16
An execution error occurred.
32
A command syntax error occurred.
not used
0 is returned
128
Power has been cycled since the last time the event register was read or cleared.
Definition
Status
Definition
Error Messages
Error Messages
Error Messages
Keysight RP7900 Series Operating and Service Guide
Diagram.
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