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10.8 GP-IB Command Reference
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Syntax
∗ESE?
Response
syntax
<data>
<data>
0to255
(NR1)
Function
Returns the setting contents of SESER as a numerical value in NR1 format between 0 and 255.
Example
Queries the standard event status enable register.
Transmission ∗ESE?
Response 20
Bits 2 and 4 of SESER have been set to 1.
Error
If the response message is longer than 300 bytes, a query error is generated.
Standard event status enable re
ister
SESER
128 64 32 16 8 4 2 1
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
PON URQ CME EXE DDE QYE RQC OPC
Syntax
∗OPC
Function
Sets bit 0 (the OPC bit) of the standard event status register (SESR) to 1 at the instant the
previous commands which is on the same line with *OPC have been completed.
Example
After all action has been completed during execution, performs an SRQ request.
Transmission ∗OPC
Error
If the data parameters are set after this command, a command error occurs.
Syntax
∗OPC?
Function
The same as the ∗OPC command, except in that, at the instant that the previous commands have
been completed. Returns the response message "1", instead of bit 0 (the OPC bit) of the standard
event status register (SESR) being set to 1.
No header is affixed to the response message.
Example
Queries whether or not all action has been completed during execution.
Transmission ∗OPC?
Response 1
Error
If the response message is longer than 300 bytes, a query error is generated.
∗ESE?
Queries the standard event status enable register.
∗OPC
After all action has been completed during execution, performs an SRQ request.
∗OPC?
Queries whether or not all action has been completed during execution.
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