ComAp IG-NTC GC - Page 30

IGS-NT-BC, SW Version 1.2.0, ©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
30
Transition closing -> opening (opening command is issued during closing pulse):
Transition opening -> closing (closing command is issued during opening pulse)
Other CB fail reasons:
 When the BO CB close/open is in steady state and CB feedback is changed, the CB fail is detected
immediately (no delay).
<2s
2s
BO: CB OFF coil
BI: CB fdb neg
BI: CB fdb
BO: CB close/open
BO: CB UV coil
BO: CB status
BO: CB ON coil
Closing pulse is shortened, opening
sequence is started immediatelly
CB opening by protection or manual
command (button pressed)
2s
2s
BO: CB OFF coil
BI: CB fdb neg
BI: CB fdb
BO: CB close/open
BO: CB UV coil
BO: CB status
BO: CB ON coil
OFF a UV pulse is always activated for
the full time. manual control (= CB
button) is deactivated during opening
pulse.
Here starts the standard closing
sequence – see CB close command.
In this moment, the reason for closing the
CB is activated again (e.g. Remote
Start/Stop is activated)