ABB Relion 620 Series Applications Manual page 53

1MAC308145-MB E
RER620
Application Manual
Figure 29: Synch-check function
RER620 "Latched Open" logic scheme:
The RER620 has a user settable "Latched Open" logic scheme as a part of default
configuration. This logic scheme will use one local HMI push button which will
immediately open all breaker poles (see Figure 9 and Figure 27) and set the
Section 3
RER620 application
47