7 Acceptance/Protection Function Test Guide
D02706R02.30
L-PRO 4000 User Manual
7-57
Figure 7.42: Auxiliary Breaker Close Command via Virtual Input
ProLogic 9: This equation closes Out 5 to simulate Main Breaker “a” contact,
and also closes Out 14 to provide feedback into Main Breaker Status ProLogic
3. This latching function resets when an external trip is received.
Figure 7.43: Main Breaker Reclose
79 Reset Procedure (perform this before beginning the 79 Test)
1. In Relay Control Panel Service level access
Utilities>Virtual Inputs.
2. Select Virtual Input 1 (“SCADA LO Reset Ini”).
3. Pulse On (This simulates a “SCADA 79 Lockout Reset Command”.)
Observe the relay Target: “Init LO Reset VI: PL6”
After 12 Seconds, Target: “Main LO is Reset: PL7”
End of 79 Reset procedure.
Summary of Contents for L-PRO 4000
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