Chapter 4 Remote Interface Reference
The SCPI Status Registers
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4
*OPC
*ESE
Table 4-3. Bit Definitions – Standard Event Register
SYST:ERR?
Bit Decimal
Value
Definition
0OPC 1Operation Complete. All commands prior to and
including an *OPC command have been executed.
1Not Used 0Always set to 0.
2QYE
4
Query Error. The power supply tried to read the output
buffer but it was empty. Or, new command line was
received before a previous query had been read. Or,
both the input and output buffers are full.
3DDE 8Device Error. A self-test or calibration error occurred
(see error numbers 601 through 750 in chapter 5).
4EXE 16 Execution Error. An execution error occurred (see error
numbers -211 through -224 in chapter 5).
5CME 32 Command Error. A command syntax error occurred
(see error numbers -101 through -178 in chapter 5).
6Not Used 0Always set to 0.
7PON 128 Power On. Power has been turned off and on since the
last time the event register was read or cleared.