InteliLite 9 Global Guide
91
After opening the breaker, there is internal delay for another closing of breaker. Delay is 6 seconds - 5
seconds for OFF coil and 1 second for UV coil. After these 6 seconds, breaker can be closed again. For
opening of breaker there is no delay.
Breaker control outputs
Close/Open
An output for control of a contactor. Its state represents the breaker position requested by the
controller. The breaker must react within 2 seconds to a close or open command, otherwise
an alarm is issued.
ON coil
An output giving a 2 second pulse in the moment the breaker has to be closed. The output is
intended for control of close coils of circuit breakers.
OFF coil
An output giving a pulse in the moment the breaker has to be opened. The pulse lasts until
the feedback deactivates, but at least for 2 seconds. The output is intended for control of
open coils of circuit breakers.
UV coil
The GCB UV coil output is active the whole time the gen-set is running (not in idle or cooling).
The MCB UV coil output is active when the controller is switched on. The output is
deactivated for at least 2 seconds in the moment the breaker has to be switched off. The
output is intended for control of undervoltage coils of circuit breakers.
Image 5.15 Breaker control outputs
MCB special requirements
If a contactor is used on the MCB position, it is recommended that the wiring be provided in such a way that
the contactor will be normally closed and will open if the logical binary output MCB CLOSE/OPEN (PAGE 335)
closes. This behavior is called “negative logic” and can be adjusted by the setpoint MCB Logic (page 205).
The negative logic will prevent accidental opening of the MCB when the controller is switched off.
If a contactor is used on the MCB position, it will open itself immediately after the mains have failed,
because it will lose power for the coil. That is why the following adjustment is necessary to prevent triggering
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