InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf, ©ComAp – April 2015
9.2.3 Following graphs depict possible CB sequences:
Repeated CB close command (second succesfull – left, second unsuccesfull – right):
0
1
0
1
0
1
0
1
0
1
0
1
CB UV coil
CB ON coil
CB OFF coil
CB fdb
CB fdb neg
CB close/open
0
1
CB status
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CB fail
1s
2s
2s
1s
2s
1s
2s
2s
1s
2s
BO/BI
CB status switches after both
feedbacks (fdb and fdb neg) are in
correct position.
Minimum 1s delay after UV coil is
switched on is needed before CB can
be closed
0
1
0
1
0
1
0
1
0
1
0
1
1s
2s
BO/BI
CB close/open
CB UV coil
CB ON coil
CB fdb
CB fdb neg
If the CB is not closed after
the first attempt, it is only
reset by OFF pulse and no
CB fail is issued. This would
be issued after the second
unsuccessfull attempt.
ON pulse has finished and
CB status is not =1. CB fail
is issued immediatelly
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