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SCPI Status Registers
Status Byte Register (STB), Service Request Enable Register (SRE)
Bit 7 Operation Status Summary. Set when an event enabled in OPER:ENABLE
occurs.
Bit 5
EBS - Event status bit. Set when an event enabled in ESE occurs.
Bit 4
MAV - Message Available. Set when a response is ready to be sent.
Bit 3
Questionable Status Summary. Set when an event enabled in
QUES:ENABLE occurs.
Bit 2
Error/Event Queue Not Empty.
Bit 1
Always 0.
Bit 0
Always 0.
Standard Event Status Register (ESR), Standard Event Status Enable Register (ESE)
Bit 7
Power-on. set at power-up.
Bit 6
User request. Always 0.
Bit 5
Command Error. Error in command syntax.
Bit 4
Execution Error. Error in command execution.
Bit 3
Device Dependent Error. Device error independent of commands.
Bit 2
Query Error. Output queue empty when request received.
Bit 1
Request Control. Always 0.
Bit 0
Operation Complete. Set for *OPC command.
Operation Status (OPER:EVENT, OPER:CONDITION, OPER:ENABLE)
Bit 0
Calibrating. Currently performing a calibration.
Bit 1
Settling. Waiting for control to stabilize.
Bit 2
Ranging. Always 0.
Bit 3
Sweeping. Always 0.
Bit 4
Measuring. The instument is actively measuring. Always 1.
Bit 5
Waiting for Trigger. Always 0.
Bit 7
Correcting. Currently performing a correction. Always 0.
Bit 8
Self-test in progress.
Bit 9
Always 0.
Bit 10 Always 0.
Bit 11 Always 0.
Bit 12 Always 0.
Bit 13 Instrument Summary bit. Always 0.
Bit 14 Program Running.
Bit 15 0.
5
Remote Operation
Device Messages
5-7
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