MainsPro, SW version 1.4, ©ComAp – January 2013 
MainsPro Reference Guide 
and also, if the CB Feedback input or Bak Trp output are not configured on any physical input or 
output, this function is blocked. 
!BakTrpImp 
Inverse backup trip impulse relay; opens immediately if any of the CommTrpPer or CommTrpImp is 
activated and CB Feedback doesn't deactivate within Bak Trp Del. The length of the impulse can be 
adjusted in Basic: Imp Len. Closing of the relay does not mean end of trip state. The trip is terminated 
in fault free state after a successful fault reset. During trip status, the relay does not react on any new 
failure and also, if the CB Feedback input or Bak Trp output are not configured on any physical input 
or output, this function is blocked.