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Keysight InfiniiVision M9241/42/43A PXIe Oscilloscopes SCPI Programmer's Guide
6
Common (*) Commands
*OPC (Operation Complete)
Command Syntax
*OPC
The *OPC command sets the operation complete bit in the Standard Event Status
Register when all pending device operations have finished.
You can use the *ESR? query to look at the OPC bit (bit 0) in the Standard Event
Status Register to determine when an operation is complete.
Query Syntax
*OPC?
The *OPC? query places an ASCII "1" in the output queue when all pending device
operations have completed. The interface hangs until this query returns.
The *OPC? query can be used between overlapped commands to make sure one is
complete before the next one begins. The *OPC? query can also be used to pause
a controller program until an operation is complete.
Return Format
<complete><NL>
<complete> ::= 1
See Also
•
"Introduction to Common (*) Commands"
•
"*ESE (Standard Event Status Enable)"
•
"*ESR (Standard Event Status Register)"
•
•
":OPERegister:CONDition (Operation Status Condition Register)"
•
":OPERegister[:EVENt] (Operation Status Event Register)"
•
, “Sequential (Blocking) vs. Overlapped Commands,” starting on page
•
"Synchronization with an Averaging Acquisition"
•
•
"Example: Blocking and Polling Synchronization"
•
"Example: Waiting for IO Operation Complete"
NOTE
The front-panel graphical user interface can disable most of the remote interface, including
the *OPC syntax, in certain situations. Bit 4 in the Operation Status Condition Register shows
whether the remote user interface is enabled or disabled. For more information, see
":OPERegister:CONDition (Operation Status Condition Register)"
Содержание InfiniiVision M9241A
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Страница 52: ...52 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 2 Setting Up ...
Страница 178: ...178 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 5 Commands Quick Reference ...
Страница 246: ...246 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 7 Root Commands ...
Страница 268: ...268 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 8 ACQuire Commands ...
Страница 280: ...280 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 9 CALibrate Commands ...
Страница 354: ...354 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 15 EXTernal Trigger Commands ...
Страница 412: ...412 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 17 FUNCtion m Commands ...
Страница 416: ...416 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 18 HCOPY Commands ...
Страница 442: ...442 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 20 MARKer Commands ...
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Страница 1376: ...1376 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 39 More About Oscilloscope Commands ...