Siemens 7SR18 Solkor - Broken Conductor (46 BC); Figure 5.4-1 Logic Diagram: Broken Conductor Function (46 BC)

7SR18 Description Of Operation
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5.4 Broken Conductor (46BC)
The element calculates the ratio of NPS to PPS currents. Where the NPS:PPS current ratio is above 46BC
Setting an output is given after the 46BC Delay.
The Broken Conductor function can be inhibited from
Inhibit 46BC A binary or virtual input.
46BC U/C Guard A minimum load current.
46BC U/C Guard Setting (0.05, 0.1... 5x In)
Figure 5.4-1 Logic Diagram: Broken Conductor Function (46BC)