EMR-4000 IM02602009E
JAM Protection Signals (Output States)
Signal Description
Active Signal: Active
ExBlo Signal: External Blocking
Blo TripCmd Signal: Trip Command blocked
ExBlo TripCmd Signal: External Blocking of the Trip Command
Pickup Signal: Pickup
Trip Signal: Trip
TripCmd Signal: Trip Command
JAM Protection Values
Value Description Default Size Menu path
nPickups Number of alarms since last reset. 0 0 - 9999999999 [Operation
/History
/PickupCr]
nTripCmds Number of trip commands since last reset. 0 0 - 9999999999 [Operation
/History
/TripCmdCr]
Commissioning Test Description
Set the JAM Start delay timer to one second. Set the JAM function to “Active” and Threshold to “2 X FLA”. Set the
JAM “Delay T” to one second. Apply current of “2 X FLA” setting for one second. The relay should not trip. Apply the
same current for 3 seconds. The unit should trip in 2 to 3 seconds.
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