ABB Relion 670 Series Applications Manual page 349

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1MRK 511 401-UEN Rev. K

*) Other input/output signals as in previous single

IEC04000137 V4 EN-US

Figure 153: Additional input and output signals at multi-breaker arrangement. The

Bay control REC670

Application manual

The signals can be cross-connected to allow simple changing of the priority by

just setting the High and the Low priorities without changing the

configuration. The input

multi-breaker arrangements to ensure that the circuit breaker was closed at

the beginning of the cycle. If the High priority circuit breaker is not closed the

High priority moves to the low priority circuit breaker.

Terminal '' Master "

Priority = High

Terminal '' Slave "

Priority = Low

breaker arrangements

connections can be made "symmetrical" to make it possible to control the

priority by the settings, Priority: High/Low

CBCLOSED for each circuit breaker is important in

IEC04000137-4-en.vsd

Relion rec670