CTS55
Remote Control
1094.0006.55
11.21
E-5
11.8.3.2
Event-Status-Reg. (ESR) and Event-Status-Enable-Reg. (ESE)
The ESR is already defined in IEEE 488.2. It can be compared with the EVENt part of an SCPI register.
The event status register can be read out using command "*ESR?".
The ESE is the associated ENABle part. It can be set using command "*ESE" and read using command
"*ESE?".
Table 11-3 Meaning of the bits used in the event status register
Bit No.
Meaning
0
Operation Complete
This bit is set on reception of the command *OPC exactly when all previous commands have been executed.
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 (cf. annex B,
Error Messages).
4
Execution Error
This bit is set if a received command is syntactically correct, however, 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 (cf. annex B, Error Messages).
5
Command Error
This bit is set if a command which is undefined or syntactically incorrect is received. An error message with a
number between -100 and -200, which denotes the error in greater detail, is entered into the rror queue (cf.
annex B, -Error Messages).
6
User Request
This bit is set on pressing the LOCAL key, i. e., when the instrument is switched over to manual control.
7
Power On (supply voltage on)
This bit is set on switching on the instrument.
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