Schweitzer Engineering Laboratories SEL-351 - Additional Settings Example 1; Factory Settings Example

Date Code 20001006 Close and Reclose Logic 6-29
SEL-351 Instruction Manual
Sequence coordination operation does not change the reclosing relay state. For example, if the
relay is in the Reset State and there is a sequence coordination operation, it remains in the Reset
State.
Factory Settings Example
Sequence coordination is not enabled in the factory settings:
79SEQ = 0
Additional Settings Example 1
With sequence coordination setting:
79SEQ = 79RS * 51P
sequence coordination is operable only when the relay is in the Reset State (79RS = logical 1).
Refer to Figure 6.8 and Figure 6.9.
Figure 6.8: Sequence Coordination Between the SEL-351 Relay and a Line Recloser
Courtesy of NationalSwitchgear.com