Agilent 4155C/4156C SCPI Command Reference, Edition 1 4-7
Common Commands
*ESR?
*ESR?
This query command returns the present contents of the Standard Event Status
Register.
Syntax *ESR?
Query response register <newline><^END>
Semantics The following table shows the bits of the Standard Event Status Register. Refer to
Chapter 3 for details about the register.
Example OUTPUT @Hp4155;"*ESR?"
ENTER @Hp4155;A
Parameter Type Explanation
register NR1 0 to 255 (decimal integer value that is the sum of the
binary-weighted values for the set bits)
bit
binary-
weight
description
0 1 OPC (Operation Complete)
1 2 RQC (Request Control)
2 4 QYE (Query ERROR)
3 8 DDE (Device-Dependent ERROR)
4 16 EXE (Execution ERROR)
5 32 CME (Command ERROR)
6 64 URQ NOT USED
7 128 PON (Power on)
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