O commands
This section lists commands and queries that begin with the letter O.
*OPC
Generates the operation complete message in the Standard Event Status Register
(SESR) when all pending commands that generate an OPC message are
complete. The *OPC? query places the ASCII character "1" into the output queue
when all such OPC commands are complete. The *OPC? response is not
available to read until all pending operations finish.
The *OPC command allows you to synchronize the operation of the instrument
with your application program. See Synchronization Methods on page 282.
Certain instrument operations can affect the *OPC response. See Table 30:
Instrument operations that can generate OPC on page 282.
Group
Status and Error
Syntax
*OPC
*OPC?
Related Commands
BUSY? on page 51, *WAI on page 247
Examples
*OPC generates the operation complete message in the SESR at the completion
of all pending OPC operations.
*OPC? might return 1 to indicate that all pending OPC operations are finished.
TBS2000 Series Programmer 193
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