R&S NRP
Remote Control - Commands
1144.1400.12 6.79
E-3
Standard Event Status Register (ESR)
Standard Event Status Enable Register (ESE)
The ESR is already defined in the IEEE 488.2 standard. It is comparable to the EVENt register of an
SCPI register. The Standard Event Status Register can be read out by the query
*ESR?
.
The ESE forms the associated ENABle register. It can be set by the command
*ESE
and read out by
the query
*ESE?
.
Table 6-19: 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 device but has not sent a
query, or it sends new commands to the device before it retrieves existing requested data. A frequent cause is a
faulty query which 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 denoting the error in greater detail will be 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 will
be 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 will be entered in the error queue.
6 User
Request
This bit is set upon pressing the [LOCAL] key, i.e. when the device is switched to manual control.
7 Power
On
This bit is set when the device is switched on.
