IEEE-488 Commands
Copyright © Itech Electronic Co., Ltd. 14
Returns
<AARD> Field Information
ITECH Ltd manufacturer
IT64XX Mode
XXXX….. serial number
1.21-1.28 firmware_version
*OPC
This command causes the interface to set the OPC bit (bit 0) of the Standard
Event Status register when the power supply has completed all pending
operations. (See for the bit configuration of the Standard Event Status registers.)
Pending operations are complete when:
All commands sent before *OPC have been executed. This includes
overlapped commands. Most commands are sequential and are completed
before the next command is executed. Overlapped commands are
executed in parallel with other commands. Commands that affect trigger
actions are overlapped with subsequent commands sent to the power
supply. The *OPC command provides notification that all overlapped
commands have been completed.
All triggered actions are completed and the trigger system returns to the
Idle state.
*OPC does not prevent processing of subsequent commands but Bit 0 will not
be set until all pending operations are completed. The query causes the
interface to place an ASCII "1" in the Output Queue when all pending
operations are completed.
Command syntax
*OPC
Arguments
None
Query syntax
*OPC?
Returns
<NR1>
Related Command
*TRIG *WAI
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