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Command Descriptions
Option 01 VXI Interface Module User Manual
3–43
PFAil
[ROUTe:]PFAil <action_at_powerfail>
N/A
All relays on all modules are opened when power is removed from the VXI
chassis.
N/A
N/A
This command specifies the state that all latching relays on all modules
controlled by the Option 01 are to be placed in when power is removed from the
VXI chassis containing the modules. <action_at_powerfail> must be OPEN or
SAME. If OPEN is specified, all latching relays are opened at powerfail. If
SAME is specified, all latching relays are left in their current state at powerfail.
NOTE. VXI chassis +5 V power is maintained for 4 milliseconds after ACFAIL is
asserted, in compliance with VXI Specifications. This allows for orderly system
shutdown and implementation of the PFAil OPEN option.
Command Response
route:pfail same Leave all latching relays in their current state at powerfail.
route:pfail open Open all latching relays at powerfail.
Command Syntax
Query Syntax
*RST Value
Limits
Related Commands
Description
Examples