B&K Precision 2552-2559 - Programming Manual - Manual (Page 43)

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ADDITIONAL INFORMATION
Standard Event Status Register (ESR)
Bit Bit Value Bit Name Description Note
15~8 0 reserved by IEEE 488.2
7 128 PON 1 Power off-to-ON transition as
occurred
(1)
6 64 URQ 1 User Request has been issued (2)
5 32 CME 1 Command parser Error has been
detected (3)
4 16 EXE 1 Execution Error detected (4)
3 8 DDE 1 Device specific Error occurred (5)
2 4 QYE 1 Query Error occurred (6)
1 2 RQC 1 Instrument never requests bus control (7)
0 1 OPC 1 Instrument never requests bus control (8)