Network and Remote Operation
R&S
®
FSW
757
User Manual 1173.9411.02 ─ 43
Table 13-8: Meaning of the bits used in the event status register
Bit No.
Meaning
0
Operation Complete
This bit is set on receipt of the command *OPC exactly when all previous commands have been
executed.
1
Not used
2
Query Error
This bit is set if either the controller wants to read data from the instrument without having sent a
query, or if it does not fetch requested data and sends new instructions to the instrument
instead. The cause is often a query which is faulty and hence cannot be executed.
3
Device-dependent Error
This bit is set if a device-dependent error occurs. An error message with a number between
-300 and -399 or a positive error number, which denotes the error in greater detail, is entered
into the error queue.
4
Execution Error
This bit is set if a received command is syntactically correct but cannot be performed for other
reasons. An error message with a number between -200 and -300, which denotes the error in
greater detail, is entered into the error queue.
5
Command Error
This bit is set if a command is received, which is undefined or syntactically incorrect. An error
message with a number between -100 and -200, which denotes the error in greater detail, is
entered into the error queue.
6
User Request
This bit is set when the instrument is switched over to manual control.
7
Power On (supply voltage on)
This bit is set on switching on the instrument.
STATus:OPERation Register
The
STATus:OPERation
register contains information on current activities of the
R&S
FSW. It also contains information on activities that have been executed since the
last read out.
You can read out the register with
or
.
Table 13-9: Meaning of the bits used in the STATus:OPERation register
Bit No.
Meaning
0
CALibrating
This bit is set as long as the instrument is performing a self-alignment.
1-2
Not used
3
SWEeping
Sweep is being performed in base unit (applications are not considered); identical to bit 4
In applications, this bit is not used.
Remote Control Basics
