Pickup Logic And Tripping Logic - Siemens SIPROTEC 4 User Manual

Functions
2.2 Overcurrent Protection 50, 51, 50N, 51N
[7sj6x_einschaltstabilisierung-150502-kn, 1, en_US]
Figure 2-16
2.2.8

Pickup Logic and Tripping Logic

The pickup annunciations of the individual phases (or ground) and the individual element are combined with
each other in such a way that the phase information and the element that has picked up are issued.
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Logic diagram for inrush restraint
SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016