P12y/EN FT/D22 Technical Guide
User Guide
Page 8/108 MiCOM P125/P126/P127
Trip Circ circuit breaker trip circuit failure for longer than the supervision
timer tSUP; set in the AUTOMAT. CTRL/CB Supervision menu.
LATCHED RELAYS at least one output relay is latched.
Recloser Successful successful re-close signal. Indicates that the fault has been
cleared upon circuit breaker re-closure, and has not re-
appeared before expiry of the reclaim time.
Recloser Blocked re-close blocking signal. Generated by:
– external breaker failure signal (ex. SF6 low).
– signal provided via logic input assigned to the
CB Fail function in the AUTOMAT. CTRL/Inputs menu.
– external blocking signal. External blocking can be set
by the user in the PROTECTION G1 / [79]
AUTORECLOSE/Ext Block menu. This blocking signal
is provided via a logic input assigned to the Block_79
function in the AUTOMAT. CTRL/Inputs menu.
– definitive trip.
– breaker operating time (or tripping time) longer than the
set time, but only if the function is enabled.
Recloser Conflict configuration conflict of the re-close function. This signal
is generated by:
– None digital input assigned to the position of the CB 52a
– no output relay assigned to the CB Close function
(AUTOMAT. CTRL/Output Relays menu ).
– None protection is assigned to the trip command
– no re-close cycle assigned to the protection functions
(PROTECTION G1/ [79] Autoreclose menu ).
EQU. A Equation logic A set
EQU. B Equation logic B set
EQU. C Equation logic C set
EQU. D Equation logic D set
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