9 *stb – AMETEK 2001RP User Manual
Page 118
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User and Programming Manual - Rev R
108
March 2008
2001RP
10.9.9 *STB?
This query reads the Status Byte register, which contains the status summary bits and the
Output Queue MAV bit. Reading the Status Byte register does not clear it. The input
summary bits are cleared when the appropriate event registers are read (see Section 12 for
more information).
Table 10-6: Bit Configuration of Status Byte Register
Bit Position
7
6
5
4
3
2 - 0
Bit Name
OPER
MSS
ESB
MAV
QUES
not used
Bit Weight
128
64
32
16
8
OPER
operation status summary
MSS
master status summary
ESB
event status byte summary
QUES
questionable status summary
MAV
message available
Query Syntax
*STB?
Returned Parameters
<NR1> (Register binary value)
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