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IEEE-488.2 Common Commands
Option 01 VXI Interface Module User Manual
3–61
*OPC
Operation Complete. This command causes the module to set the Operation
Complete bit in the Event Status register (ESR) when all pending commands and
queries are complete.
*OPC?
Operation Complete query. This command causes the module to place a “1” in
the Output queue when all pending commands and queries are complete. All
commands following *OPC are suspended until the pending operations are
complete. The *OPC? command does not affect the OPC bit in the Event Status
register.
*RST
Reset. This command causes the Option 01 to open all relays on all modules
under its control, except for VX4320 Modules. Channel 1 in each section of each
VX4320 Module is closed. This command sets the Option 01 Module to its
power-on state with the following exceptions: the Error/Event queue, Output
queue, Standard Event Status Enable register, SCPI Status Operation Event
Enable register and SCPI Status Questionable Event Enable register are not
cleared.
The condition of the Option 01 daughter board and the switching modules that it
controls after receipt of a *RST command is as follows:
Contents of the SCPI Status Operation Event register = 0
Contents of the SCPI Status Operation Condition register = 0
Contents of the SCPI Status Questionable Event register = 0
Contents of the SCPI Status Questionable Condition register = 0
All VXI TTL triggers are disabled
Trigger subsystem is in the idle state
Trigger source = IMMediate
Number of times to sequence through an entire scan list = 1
Time in seconds to wait after a trigger event is detected before sequencing to
the Next relay in a scan list = 0
All relays on all modules are set to the open position
No scan list is defined
Default module names are assigned as follows:
The module that has a Option 01 VXI Interface daughter board installed
is assigned module name “M1”.
Modules without the Option 01 VXI Interface daughter board in