Anritsu MP1777A User Manual
Page 66
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The tables below show the definition of register bit specified by IEEE488.2.
Table 6-3 Definition of Status Byte Register Bit
6.2 Status Registers Specified by IEEE488.2
Bit
Status Byte Register
Definition
DB2
QUE
(Error/Event QUEue)
Indicates that the error and event queues are not empty.
DB4
MAY
(Massege Available)
Indicates that the output queue is not empty.
DBS
ESB
(Event Summary Bit)
Standard event status register summary
DB6 RQS (Request Service)
MSS (Master Summary Status)
RQS message
Indicates that the device has a cause to request at least one
service.
DB7
OPER (OPERation status register summary)
OPERation status register summary
Table 6-4 Definition of Standard Event Status Register Bit
Bit
Standard Event Status Register
Definition
DBO
OPC
(Operation Complate)
Indicates that all the specified operations are completed.
DB2
QYE
(Query Error)
Indicates that a query error has taken place.
- DB3
DDE
(Device-dependent Error)
Indicates that an error other than a command, query or run
time error has taken place.
- DB4
EXE
(Execution Error)
Indicates that a run time error has taken place.
DBS
CME
(Command Error)
Indicates that a command error has taken place.
DB6
URQ
(User Request)
Indicates that a local control error has taken place.
__ DB7
PON
(Power on)
Indicates that the power source has switched from OFF to
ON.
6-5
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