Agilent Technologies 4155C

Agilent 4155C/4156C SCPI Command Reference, Edition 1 4-15
Common Commands
*STB?
*STB?
This query command reads the Status Byte Register (reads Master Summary Status
bit, not Request for Service Message).
Syntax *STB?
Query response register <newline><^END>
Semantics The following table shows the bits of the Status Byte Register.
Example OUTPUT @Hp4155;"*STB?"
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 EMERgency Status
1 2 Measurement/Stress Status
2 4 NOT USED
3 8 QUEStionable Status
4 16 MAV (Message Available summary-message)
5 32 ESB (Event Status Bit)
6 64 MSS (Master Summary Status)
7 128 OPERation Status