The start signals of the protection stages of the
relay are routed to output relay D. The signals to
be routed to output relay D are selected by
means of switches 1, 3, 5 and 7 of switchgroup
SGR1, which is a software switchgroup found in
the main menu of the protection relay module.
The start signals of the low-set and high-set stage
of the overcurrent unit are selected with switches
1 and 3, and the start signals of the high-set and
low-set stage of the earth-fault unit with switches
5 and 7.