11 PROT 2048 Output is disabled by a watchdog timer protection
12 EDP 4096 Output is disabled by excessive output dynamic protection
13 SF 8192 A sense lead fault has been detected
14,15 not used not used 0 is returned
The following table describes the Questionable2 assignments.
Bit Bit Name Decimal Value Definition
0 UProt 1 Output is disabled by a user-defined protection signal
1 IPK+ 2 Output is in positive peak current limit
2 IPK- 4 Output is in negative peak current limit
3 CSF 8 A current sharing fault has occurred
4-15 not used not used 0 is returned
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 Status Registers for
a description of each register. The following table describes the Standard Event Status register bit
assignments.
Bit Bit Name Decimal
Value
Definition
0 Operation Complete 1 All commands before and including *OPC have been executed.
1 not used not used 0 is returned
2 Query Error 4 The instrument tried to read the output buffer but it was empty, a newcommand line was
received before a previous query has been read, or both the input and output buffers are
full.
3 Device-specific Error 8 A device-specific error, including a self-test error, calibration error or other device-spe-
cific error occurred. Error Messages
4 Execution Error 16 An execution error occurred. Error Messages
5 Command 32 A command syntax error occurred. Error Messages
6 not used not used 0 is returned
7 Power On 128 Power has been cycled since the last time the event register was read or cleared.
6 SCPI Programming Reference
287 Keysight N6900/N7900 Series Operating and Service Guide
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