Example Of Directional Data - Hitachi Relion 670 Series Applications Manual

1MRK511407-UUS Rev. N
If CLLKOUT is set by an external trip signal from another protection function, that is by activating
SETLKOUT input, or internally by a three-phase trip, that is with the setting AutoLock = Enabled and the
setting TripLockout = On, then also all trip outputs are set latched.
The lockout can manually be reset after checking the primary fault by activating the reset lockout input
RSTLKOUT.
The BLKLKOUT input blocks the circuit breaker lockout output CLLKOUT.
15.1.3.5

Example of directional data

An example how to connect the directional data from different application functions to the trip function is
shown in
Phasor measurement unit RES670
Application manual
Figure 86:
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Section 15
Logic
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