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S:\Hp8960\E1960A GSM Mobile Test Application\A.04 Release\Reference_Manual\Chapters\hpib_STATUS_STATUS_BYTE.fm
Status Byte Register
Status Byte Register
July 12, 1999
*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
Program Example - Status Byte Register Bit Assignments
OUTPUT 714;”*STB?” !Queries the Status Byte.
Bit
Number
Binary
Weighting
Label
Description
7
128
STATus: OPERation
Summarizes the STATus: OPERation
Status Register, which fans out to the
NMRReady and CALL Status Registers.
6
64
RQS (SRQ TRUE?)/Master
Summary Status
RQS is read by a serial poll (SPOLL)
Master Summary Status is read by a *STB? query -
defined by
IEEE 488.2
5
32
Standard Event Status Register
Summarizes the Standard Event Status Register
4
16
Message Available
SCPI - Defined
3
8
STATus: QUEStionable
Status Register
Summary Message comes from the
STATus: QUEStionable Status Register,
which fans out to the CALL and
HARDware Status Registers
2
4
Error/ Event Queue
SCPI - Defined
1
2
Reserved
0
1
Reserved
*STB?
Содержание 8960 Series 10
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