InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf, ©ComAp – April 2015
11.2.1.31 Setpoint: BrkCtrl in Man
This setpoint selects how the MCB and MGCB are handled in MAN mode.
The MCB and MGCB are controlled by IM-NT (close and
open breakers based on MCB and MGCB buttons) and it's
internal sequences and adjusted timers.
The MCB and MGCB can be still controlled by MCB and
MGCB buttons but moreover it is possible to close and
open breakers by external device or manually without
controller issuing any alarms and taking any actions. It is
also possible to start synchronization by activating Force
sync. After Force sync is activated the controller
synchronizes and keeps Mains and Bus synchronized until
Force sync gets deactivated again (Sync timeout is not
considered when Force sync is activated). Synchronization
is also activated if the MCB or MGCB button are pressed as
in NORMAL Breaker Control Mode. In this case Sync
timeout applies.
There are several situations and controller's reaction in FOLLOW mode in
MAN:
If LBI Force sync is active and the forced synchronization takes
place, pressing the corresponding CB button (even repeatidely)
causes closing of the corresponding breaker when the synchronism
conditions are met.
When the controller synchronizes because the corresponding CB
button was closed, activating and deactivating of LBI Force sync
does not influence the synchronization.
When the controller synchronizes because the LBI Force sync is
activated, the controller will no issue any alarms even though the
corresponding CB button is pressed during the forced
synchronization and the breaker cannot close because synchronism
conditions were not met in Sync timeout.
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