Outputs For Signalling - ABB Relion Technical Manual

Generator protection

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1MRK 502 048-UUS A

Technical manual

Output contacts X336, 3U full 19"

Power output 1, normally open

Power output 2, normally open

Power output 3, normally open

Outputs for signalling

Signal output contacts are used for signalling on starting and tripping of the IED. On

delivery from the factory, the pickup and alarm signals from all the protection stages are

routed to signalling outputs. See connection diagrams.

Each signal connector terminal is connected with one 14 or 16 Gauge wire.

Output contacts X317, 3U full 19"

Signal output 1, normally open

Signal output 2, normally open

Signal output 3, normally open

Output contacts X321, 3U full 19"

Signal output 1, normally open

Signal output 1

Signal output 2, normally open

Signal output 2

Signal output 3, normally open

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IED physical connections

Hardware module

Hardware channel

Hardware module

Hardware channel

Hardware module

Hardware channel

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650 series Reg650 ansi