4.2.1
Motor Start Blocked
A motor start can be blocked by certain events, if any of the following conditions are
noted - motor starts limit, starting frequency, thermal and mechanical constraints. The
user may choose to use the states to block the motor from starting or use it as an alarm
or indication.
MotorStart_E01
Motor Start Blocked
MStart . Blo
MStart . ColdStartSeq
OR
Active
MStart .
SPH Fc
Inactive
AND
AND
MStart . Stop
Active
MStart .
TBS Fc
Inactive
t
0
MStart .
TBS Timer
AND
MStart . Stop
Active
MStart .
ABK Fc
Inactive
t
0
MStart .
ABK Timer
AND
MStart .
ThermBlo Fc
Inactive
49 . Alarm Pickup
Active
AND
MStart .
RemStartBlo Fc
Inactive
MStart . RemStartBlock
Active
MStart .
SPH
[2.]
[3.]
[4.]
[5.]
[1.]
Φ
MStart . StartPerHour
[1.]
Reason for Start Blocking: Too many starts per hour.
[2.]
Reason for Start Blocking: Waiting time between starts is not elapsed.
[3.]
Reason for Start Blocking: Reversing not allowed.
[4.]
Reason for Start Blocking: Thermal Blocking.
[5.]
Reason for Start Blocking: External Start Blocking.
139
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EMR-3MP0
4 Protective Elements
4.2 Motor Starting and Control Module