Chapter 4 Remote Interface Reference
The SCPI Status Registers
105
4
The Standard Event Register
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SRZHU0RQ#GHWHFWHG/#FRPPDQG#V\QWD[#HUURUV/#FRPPDQG#H[HFXWLRQ#HUURUV/#VHOI0
WHVW#RU#FDOLEUDWLRQ#HUURUV/#TXHU\#HUURUV/#RU#ZKHQ#DQ#*OPC#FRPPDQG#LV#H[HFXWHG1#
$Q\#RU#DOO#RI#WKHVH#FRQGLWLRQV#FDQ#EH#UHSRUWHG#LQ#WKH#VWDQGDUG#HYHQW#VXPPDU\#
ELW#+(6%/#ELW#8,#RI#6WDWXV#%\WH#UHJLVWHU#WKURXJK#WKH#HQDEOH#UHJLVWHU1#7R#VHW#WKH#
HQDEOH#UHJLVWHU#PDVN/#\RX#ZULWH#D#GHFLPDO#YDOXH#WR#WKH#UHJLVWHU#XVLQJ#WKH#*ESE#
+(YHQW#6WDWXV#(QDEOH,#FRPPDQG1
Table 4-4. Bit Definitions – Standard Event Register
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UHFRUG#RQH#RU#PRUH#HUURUV#LQ#WKH#SRZHU#VXSSO\ ªV#HUURU#TXHXH1#5HDG#WKH#
HUURU#TXHXH#XVLQJ#WKH#SYST:ERR?#FRPPDQG1
Bit Decimal
Value
Definition
0OPC
1
Operation Complete. All commands prior to and
including an
*OPC
command have been executed.
1 Not Used 0 Always set to 0.
2 QYE
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.
3 DDE
8
Device 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).
6 Not Used 0 Always 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.
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