Siemens 7SC80 Manual page 257

All elements can be blocked individually via binary inputs. In this case pickup and, if possible, direction and
grounded phase will still be reported, however, tripping does not take place since the time elements are
blocked.
[7sj80-aktiv-empf-erdfehler-20061218, 1, en_US]
Figure 2-89
[7sc80-erdfehler-ue-u0-i0-messung-15012013, 1, en_US]
Figure 2-90
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
Activation of the sensitive ground fault detection for V0/I0-φ measurement
Logic Diagram for V0/Ι0 -φ Measurement, Part 1
2.13 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Functions
257