ComAp IM-NT-BB Reference Manual page 306

15.2.1.57 Binary output: LdShed stage 2
Related FW 3.0
Description 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.
N :
OTE
Learn more about load shedding in the separate chapter
15.2.1.58 Binary output: LdShed stage 3
Related FW 3.0
Description This output is used for control of third load group. This group is disconnected
as last one when the first two groups are already disconnected and the
condition for disconnecting of next group is still fulfiled.
N :
OTE
Learn more about load shedding in the separate chapter
15.2.1.59 Binary output: CtrlHeartBeat
Related FW 3.0
Description The output provides alternating signal with rate 500ms active / 500ms
inactive while the controller is operational, i.e. it has passed all checks after
startup and no failure was detected.
If the output does not provide the alternating signal it may indicate following:




The output is intended for using in wired redundancy systems at the main
controller. Learn more about redundancy in separate chapter
controllers.
NT
InteliMains , SW version 3.0
InteliMains-NT-BTB-3.0-Reference Guide.pdf, ©ComAp – June 2013
controller is switched off or
controller is damaged or
incorrect/missing firmware and/or application or
corrupted setpoints
Load shedding.
Load shedding.
Redundant
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