ABB Relion 670 Series Applications Manual page 227

1MRK 511 407-UUS Rev. J
normally the case for overhead line protection where most faults are transient. Unsuccessful
autoreclosing and back-up zone tripping can in such cases be connected to initiate lockout by
activating the input SETLKOUT.
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
and the setting
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
TripLockout = On , then also all trip outputs are set latched.
Figure 86:
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Section 15
Logic
AutoLock = Enabled
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