HP 8163A Programming Manual page 50

command: *OPC
syntax: *OPC
description: The instrument parses and executes all program message units in the input
queue and sets the operation complete bit in the standard event status
register (SESR). This command can be used to avoid filling the input queue
before the previous commands have finished executing.
The following actions cancel the *OPC command (and put the instrument
into Operation Complete, Command Idle State):
• Power-on
• the Device Clear Active State is asserted on the interface.
• *CLS
• *RST
parameters: none
response: none
example:
*OPC
command: *OPC?
syntax: *OPC?
description: The OPeration Complete query *OPC? parses all program message units in
the input queue, sets the operation complete bit in the Standard Event Status
register, and places an ASCII '1' in the output queue, when the contents of
the input queue have been processed.
The following actions cancel the *OPC? query (and put the instrument into
Operation Complete, Command Idle State):
• Power-on
• the Device Clear Active State is asserted on the interface.
• *CLS
• *RST
parameters: none
response: 1<END> is always returned.
*OPC? → 1<END>
example:
Instrument Setup and Status
IEEE-Common Commands
50