IGS-NT-BC, SW Version 1.2.0, ©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
• controller is damaged or
• incorrect/missing firmware and/or application or
• corrupted setpoints
The output is intended for using in wired redundancy systems at the main
controller. Learn more about redundancy in separate chapter Redundant
controllers.
Binary output: CtrlHBeat FD
This output is used at a redundant controller to disconnect the main controller
from the gen-set, connect the redundant one instead and activate it.
The output is closed:
• If the input CtrlHBeat sens is configured onto any input terminal and the
redundancy controller does not sense the "heart beat" signal from the
main controller at that terminal.
• If the redundant controller has not received two consequent messages
from the main controller. The address of the main controller for the
particular redundant one is selected by the the setpoint Watched Contr
.
NOTE:
Learn more about redundancy in separate chapter Redundant controllers.
Binary output: LdShed stage 1
This output is used for control of first load group. This is the group which is
disconnected as first one when the load shedding function becomes active.
Connect least important loads to this group.
NOTE:
Learn more about load shedding in the separate chapter Load shedding.
Binary output: LdShed stage 2
This output is used for control of second load group. This group is disconnected
as second one when the first group is already disconnected and the condition for
disconnecting of next group is still fulfiled.
NOTE:
Learn more about load shedding in the separate chapter Load shedding.
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