Remote Control Basics
R&S
®
NRPxxS(N)
170User Manual 1177.5079.02 ─ 10
1
0
2
3
4
5
6
7
+
Standard
Event
Status
Operation Complete
0
Query Error
Device-Dependent Error
Execution Error
Command Error
User Request
Power On
Table 11-9: Meaning of bits used in the standard event status register
Bit No. Meaning
0 Operation complete
When the *OPC command is received, this bit is set if all previous commands have been
executed.
1 Not used
2 Query error
This bit is set in either of the two following cases: the controller wants to read data from the
sensor but has not sent a query, or it sends new commands to the sensor before it
retrieves existing requested data. A frequent cause is a faulty query which cannot be exe-
cuted.
3 Device-dependent error
This bit is set if a sensor dependent error occurs. An error message with a number
between -300 and -399 or a positive error number denoting the error in greater detail is
entered in the error queue.
4 Execution error
This bit is set if the syntax of a received command is correct but the command cannot be
executed due to various marginal conditions. An error message with a number between
-200 and -300 denoting the error in greater detail is entered in the error queue.
5 Command error
This bit is set if an undefined command or a command with incorrect syntax is received. An
error message with a number between -100 and -200 denoting the error in greater detail is
entered in the error queue.
6 User request
This bit is set when the sensor is switched over to manual control.
7 Power on
This bit is set when the sensor is switched on.
11.3.8 Operation Status Register
The CONDition register contains information on the operations currently being per-
formed by the sensor, while the EVENt register contains information on the operations
performed by the sensor since the last readout of the register.
Status Reporting System
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