Siemens siprotec 7SD5 User Manual

2.23 Function Control and Circuit Breaker Test
401
7SD5 Manual
C53000-G1176-C169-1
Figure 2-176 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 Section 2.15),
• The trip circuit check with the help of the TRIP–CLOSE–test cycle (refer to Section
2.23.2).
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.
For this, separate binary inputs are available, which should be treated the same and
configured additionally if necessary. These have a similar significance as the inputs
described above for protection applications and are marked with „CB1 ...“ to distin-
guish them, i.e.:
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Siemens siprotec 7SD5 Specifications

General

Brand	Siemens
Model	siprotec 7SD5
Category	Relays
Language	English