What Is the Trip (Fault) Status of Terminals 15 and 16 on an S-Flex Drive?
Resolution:
On an S-Flex (ATV212-based) drive, terminals 15 (FLC) and 16 (FLB) form a normally closed relay contact when configured for Trip operation.
- During normal operation (no fault, power applied):
The contact opens. - When a fault (trip) occurs:
The contact closes. - When drive power is removed:
The contact also closes.
This behavior allows the relay to signal a fault condition or loss of power to external control or monitoring circuits.
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