5 DYN_CURR 32 Channel is disabled by excessive dynamic current
6 DYN_POW 64 Channel is disabled by excessive dynamic power
UNR Status Register
The UNR (unregulated) status register maps into the UNR bit of the Questionable Status registers. It
queries the UNR status. The following table describes the bit assignments.
Bit Bit Name Decimal Value Definition
0 IPK+ 1 Output is in positive peak current limit
1 IPK- 2 Output is in negative peak current limit
2 PWMhi 4 PWM high saturation detected
3 PWMlo 8 PWM low saturation detected
4 PPK+ 16 Output is in positive peak power limit
5 PPK- 32 Output is in negative peak power limit
6 VPK+ 64 Output is in positive peak voltage limit
7 VPK- 128 Output is in negative peak voltage limit
8 BOR 256 Bottom out resistance - for future use
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 Diagram.
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 output buffer was read, but was empty; a new command was received
before the previous query was read; or both 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-specific error occurred.
4 Execution Error 16 An execution error occurred.
5 Command Error 32 A command syntax error occurred.
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.
5 SCPI Programming Reference
148 Keysight MP4300 Series Operating and Service Guide
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