Protective Elements
Name
Description
Assignment via
ExBlo2-I
Module input state: External blocking2
[Protection Para
/Global Prot Para
/JAM-Prot
/Jam[1]]
ExBlo TripCmd-I
Module input state: External Blocking of the
Trip Command
[Protection Para
/Global Prot Para
/JAM-Prot
/Jam[1]]
Ex rev Interl-I
Module input state: External reverse
interlocking
[]
JAM Protection Signals (Output States)
Name
Description
active
Signal: active
ExBlo
Signal: External Blocking
Ex rev Interl
Signal: External reverse Interlocking
Blo TripCmd
Signal: Trip Command blocked
ExBlo TripCmd
Signal: External Blocking of the Trip Command
Alarm
Signal: Alarm
Trip
Signal: Trip
TripCmd
Signal: Trip Command
JAM Protection Values
Value
Description
Default
Size
Menu path
NumberOfAlarms
Number of alarms since
last reset.
0
0 - 9999999999
[Operation
/History
/AlarmCr]
NumberOfTrips
Number of trips since last
reset
0
0 - 9999999999
[Operation
/History
/TripCr]
Commissioning: JAM [51LR]
Object to be tested:
•
Testing the pick-up value for JAM protection;
•
Testing the trip delay; and
•
Testing the fallback ratio.
EN MRM4 01/11
Page 353
Summary of Contents for MRM4
Page 1: ...MRM4 HighPROTEC Motor Protection Device Manual DOK HB MRM4E...
Page 3: ...Order Code EN MRM4 01 11 Page 3...
Page 18: ...Important Definitions Page 18 EN MRM4 01 11 41 SG Prot ON 42 SG ON Cmd SG Prot ON SG ON Cmd...
Page 115: ...Navigation Operation Navigation Operation EN MRM4 01 11 Page 115 1 2 3 5 7 6 8 10 9...
Page 162: ...Recorder Name Description I 2 TripCmd Signal Trip Command Page 162 EN MRM4 01 11...