2.20 Function control and circuit breaker testing
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7SA522 Manual
C53000-G1176-C155-3
Figure 2-151 Circuit breaker position logic
For Automatic Re-
closure and Circuit
Breaker Test
Separate binary inputs comprising information on the position of the circuit breaker are
available for the automatic reclosure and the circuit breaker test. This is important for
• the plausibility check before automatic reclosure (refer to Subsection 2.13),
• the trip circuit check with the help of the TRIP–CLOSE–test cycle (cf. Subsection
2.20.2).
When using 1
1
/
2
or 2 circuit breakers in each feeder, the automatic reclosure function
and the circuit breaker test are referred to one circuit breaker. The feedback informa-
tion of this circuit breaker can be connected separately to the device.