• Start of any protection function SO1 (X100:10-12)
• Operation (trip) of any protection function SO2 (X100:13-14)
• Operation (trip) of any stage of the overcurrent protection function SO2
(X110:17-19)
• Operation (trip) of any stage of the earth-fault protection function SO3
(X110:20-22)
• Operation (trip) of any voltage protection function SO4 (X110:XX-XX)
The Three TPGAPC blocks 1-3 are timers used for setting the minimum pulse length
for the outputs. Four generic timers (TPGAPC1..4) are available in the IED. The
remaining one not described in the functional diagram is available in SMT for
connection where applicable.
1MRS756378 D Section 3
REF615 variants
REF615 109
Application Manual
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