Hitachi Relion 670 Series Applications Manual page 403

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Table of Contents

1MRK506375-UEN Rev. N

The functions Access point diagnostics function block measure the IED load from communication

and, if necessary, limit it for not jeopardizing the IEDs control and protection functionality due to high

CPU load. The function has the following denial of service related outputs:

LINKSTS indicates the Ethernet link status for the rear ports (single communication)

CHALISTS and CHBLISTS indicates the Ethernet link status for the rear ports channel A and B

(redundant communication)

LinkStatus indicates the Ethernet link status for the front port

Setting guidelines

The function does not have any parameters available in the local HMI or PCM600.

Railway application RER670

Application manual

GUID-CE3344E8-539B-47E0-9C19-8239988BDBCF v3

Relion rer670