FANOX SIL-V, User Manual, Page: 36 / 212

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4.11. BF Circuit Breaker opening fault
This function settings are as follows:
Group Description Minimum Maximum Step Unit Default
BF
Circuit breaker opening fault
Permission - - Yes/No - No
Opening fault time 0,02 1,00 0,01 s 0,2
When the “BF init” status is activated, time is counted. If, following the adjusted open fault
time, the switch is not detected to have open, the function trips. The function is reset when
the “BF init” status has been reset.
There is a “BF init logical signal” to start the open fault from an external protection. The
“BF init” is configurable by user. The default configuration is shown below:
•
General trip
4.12. 74TCS. Trip circuit supervision
This function permits monitoring of the circuit breaker trip circuits.
This functionality is achived through configurable digital inputs.
It is verified the continuity of the coils.
This function settings are as follows:
Group Description Minimum Maximum Step Unit Default
74TCS
Trip circuit supervision
Permission - - Yes/No - No
Operating time 0,02 300,00 0,01 s 2,00