The breaker close lockout function can be activated from an external trip signal from
another protection function via input (SETLKOUT) or internally at a three-pole trip, if
desired.
It is possible to lockout seal in the tripping output signals or use blocking of closing
only the choice is by setting TripLockout.
14.1.2.1 Logic diagram
TRINP_A
TRINP_B
TRINP_C
1PTRZ
1PTRGF
TRINP_3P
OR
OR
OR
Program = 3 phase
AND
INTL_ABCTRIP
ANSI05000517-3-en.vsd
ANSI05000517 V3 EN
Figure 428: Three-phase front logic — simplified logic diagram
1MRK505222-UUS C Section 14
Logic
861
Technical reference manual
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