GW Instek PCS-1000 - Manual (Page 83)

COMMUNICATION INTERFACE
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2 4 ERR: Error queue
3 8 QUES: Questionable Data
Register summary bit
4 16 MAV: Message available bit
5 32 ESB: Event summary bit
6 ~ ~
7 128 OPER: Standard Operation
Register summary bit
Syntax *SRE (0～255)
Query Syntax *SRE?
Parameter /
Return Parameter 0~255: Indicates the bit weight of the
Service Request Enable Register.
Query Example *SRE?
>188
Indicates that bits 2, 3, 4, 5 and 7 are enabled.
*STB?
Query
Description Queries the Status Byte Register.
Bit Summary Bit Bit weight Description
0 1 Not used
1 2 Not used
2 4 ERR: Error queue
3 8 QUES: Questionable Data
Register summary bit
4 16 MAV: Message available bit
5 32 ESB: Event summary bit
6 64 MSS: Master summary bit of
the Service Request Register
and the Status Byte Register.
7 128 OPER: Operation status
register summary bit
Query Syntax *STB?
Parameter 0~255: Indicates the bit weight of the
Status Byte Register.