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InteliMains
NT
, SW version 3.0
InteliMains-NT-BTB-3.0-Reference Guide.pdf, ©ComAp June 2013
292
control outputs in the description of the BTB close/open output.
There are also other outputs availabe for BTB control:
BTB close/open
BTB ON coil
BTB UV coil
15.2.1.4 Binary output: BTB UV Coil
Related FW
3.0
Description
This output is intended for opening of the BTB using an undervoltage coil if a
circuit breaker is used as BTB.
The output is closed while mains values are within limits. BTB closing
command is blocked for 1 sec after the UV coil has been closed to allow
the breaker mechanical system getting ready for closing.
The output is opened for 2 sec when the BTB has to open. If
synchronizing is disabled with the particular breaker, the length of the
inverse pulse is extended to 5sec.
BTB UV COIL OUTPUT TIMING
There are also other outputs availabe for GCB control:
BTB close/open
BTB ON coil
BTB OFF coil

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