Agilent Technologies 8960 10 Series Reference Manual page 469

Status Byte Register
July 12, 1999
*STB?
*STB?
NOTE The Status Byte Register can also be read with a serial poll. For example, the command
"Status_byte = SPOLL(714)" would perform a serial poll of the Status Byte Register, returning
and releasing RQS (bit 6).
Status Byte Register Bit Assignments
Bit Binary
Number Weighting
7 128
6 64
5 32
4 16
3 8
2 4
1 2
0 1
Program Example - Status Byte Register Bit Assignments
OUTPUT 714;"*STB?" !Queries the Status Byte.
Label
STATus: OPERation
RQS (SRQ TRUE?)/Master
Summary Status
Standard Event Status Register
Message Available
STATus: QUEStionable
Status Register
Error/ Event Queue
Reserved
Reserved
S:\Hp8960\E1960A GSM Mobile Test Application\A.04 Release\Reference_Manual\Chapters\hpib_STATUS_STATUS_BYTE.fm
Description
Summarizes the STATus: OPERation
Status Register, which fans out to the
NMRReady and CALL Status Registers.
RQS is read by a serial poll (SPOLL)
Master Summary Status is read by a *STB? query -
defined by IEEE 488.2
Summarizes the Standard Event Status Register
SCPI - Defined
Summary Message comes from the
STATus: QUEStionable Status Register,
which fans out to the CALL and
HARDware Status Registers
SCPI - Defined
Status Byte Register
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