Appendix L L-PRO Setting Example
D02706R02.30
L-PRO 4000 User Manual
Appendix L-13
Circuit Breaker
Simulator Logic
ProLogic statement 2 and 4 are used to provide a simulated logic point for the
circuit breaker contact “a” status. The output of this logic is used as the input
for the 52 - Breaker Status (see 79 Recloser Settings). The 79 Main Reclose
logic point and VI1 provide the close signal ProLogic 1 provides the trip signal.
The pickup and dropout time delays are used to simulate breaker tripping and
closing times.
Figure L.24: ProLogic 2 – 52-1 “a” Status
Figure L.25: ProLogic 4 – 52-2 “a” Status
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