Remote Control
R&S
®
NRT2
100
User Manual 1178.5550.02 ─ 04
Operation Complete
0
Query Error
Device-Dependent Error
Execution Error
Command Error
User Request
Power On
0
1
2
3
4
5
6
7
+
Figure 11-4: Standard event status register (ESR)
Table 11-3: Used standard event status bits and their meaning
Bit no. Short description
Bit is set if
0
Operation complete
All previous commands have been executed and
is received.
2
Query error
The controller wants to read data from the instrument but has not
sent a query, or it sends new commands to the instrument before it
retrieves existing requested data. A frequent cause is a faulty query
which cannot be executed.
3
Device-dependent error
A instrument-dependent error occurs. An error message with a num-
ber between
-
300 and
-
399 or a positive error number denoting the
error in greater detail is entered in the error queue.
4
Execution error
The syntax of a received command is correct but the command can-
not be executed due to various marginal conditions. An error mes-
sage with a number between
-
200 and
-
300 denoting the error in
greater detail is entered in the error queue.
5
Command error
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
The instrument is switched over to manual control.
7
Power on
The instrument is switched on.
11.2.7
Operation Status Register
Contains information on current operations,
CONDition
register, or operations per-
formed since the last query,
EVENt
register.
Status Reporting System
