Keithley 2230G-30-3, User Manual, Page: 107 / 111

Section 6: Status register Series 2230G Triple-Channel Power Supplies User's Manual
6-2 2230G-900-01 Rev. A / June 2018
Status signals continued
Bit Signal Description
Questionable Status Register
4 OTP Overtemperature protection
13 ISUM Summary of
STAT:QUES:INST
Standard Event Register
0 OPC Operation complete
2 QYE Query error, data for output array is missing
3 DDE Device-dependent error; data stored in the register is missing or the error occurs in
preliminary test
4 EXE Execution error; the command parameter overflows or the condition is not right
5 CME Command error; syntax or semantic error occurs when receiving information
7 PON Power on; the value is 1 when the power supply is reset
Status Byte Register
2 EAV Error buffer is available
3 QUES If the Questionable Status Register changes, QUES is 1
4 MAV Output buffer is available
5 ESB If the Standard Event Enable Register changes, ESB is 1
6 RQS Request service; during a serial poll, RQS is returned and cleared
7 OPER If the Operation Status Register changes, OPER is 1