Alstom MiCOM P546 - Page 319

Operation P54x/EN OP/La4
MiCOM P543, P544, P545 & P546 (OP) 5-145
OP
INTSIG Single Phase Trip
INTSIG Three Phase Trip
INTSIG Single Pole ARIP
INTSIG Sequence Count1
&
1
&
&
SET Dead Time start
Protection Op
1
1
&
&
&
&
SET Dead Time start
Protection reset
INTSIG AREnabled
INTSIG ReclaimTimeComplete
INTSIG ARLockout
1
Sequence
Coun
t
&
1
&
INTSIG TrippingModeSingle
INTSIG TrippingModeThree
>INTSIG SinglePoleShots
>INTSIG ThreePoleShots
Reset
==0
==1
==2
==3
==4
>4
INTSIG SequenceCount0
INTSIG SequenceCount1
INTSIG SequenceCount2
INTSIG SequenceCount3
INTSIG SequenceCount4
INTSIG SequenceCount>4
INTSIG SequenceCount>Shots
DDB Seq Counter = 0 (846)
DDB Seq Counter = 1 (847)
DDB Seq Counter = 2 (848)
DDB Seq Counter = 3 (849)
DDB Seq Counter = 4 (850)
DDB Seq Counter = 5 (851)
Increment
P1100ENd
P1100ENa
Figure 92 Auto-reclose inhibit sequence count (P543/P545)