Aeroflex SmartStep 8310, Operation & Installation Manual, Page: 30 / 85

Model 8310-XX-X-XN IM-493
Aeroflex / Weinschel 28
*RST Function:
Performs a device reset.
Syntax:
*RST
Argument(s): none
Remarks: This function is used to reset the device.
Return Value:
none
Example(s): *RST
*OPC Function: Operation complete service request.
Syntax:
*OPC
Argument(s): none
Remarks: This function generates the Operation Complete message (OPC) in the Standard Event Status
Register when all pending device operations have finished.
Return Value: none
Example(s): *OPC
*OPC? Function: Operation complete query
Syntax:
*OPC?
Argument(s): none
Remarks: This function loads a ’1’ into the output queue when the Program Message Unit is executed. Its
primary use is to provide an indication of command completion by including the command as the
last one in a series of commands.
Return Value: 1 integer command completed
Example(s):
SAVE ASSIGN; *OPC? returns a ’1’ when the SAVE ASSIGN command completes.
*WAI Function: Wait To Continue
Syntax : *WAI
Argument(s):
none
Remarks: This function prevents the8311 Series from executing any further commands or queries until there
are no pending operations. The 8311 Series executes all commands sequentially, and does not
allow overlapping commands.
Return Value: none
Example(s): *WAI