Communication Set-Up; Communication Alternatives; Communication Channels; Section 5 Communication Set-Up - ABB Relion 670 Series Application Manual

1MRK 505 382-UEN E
Section 5
5.1

Communication alternatives

IEC07000236 V2 EN-US
Figure 57: Communication alternatives
5.2

Communication channels

Each line differential protection IED can be configured with up to four remote communication
channels. Communication configuration is set individually for each channel.
Application examples
IEC07000146 V1 EN-US
Figure 58: Two-ended line with 1½ breaker
Communication set-up, 670/650 series
Application Guide

Communication set-up

Fibre-optics
IED
CB1
CB1
CB2 CB2
CB3
CB3
No external summation
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C37.94 communication module

Possibility for redundant channels

Fibre-optic module for dedicated single mode fibers

C37.94 direct to PCM/MUX

External G.703 converter

Galvanic X.21 interface

Two local analogue inputs for line differential protection

Additional local inputs for complementary protection
Section 5
Communication set-up
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IEC07000236-2-en.vsdx
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IEC07000146-1-en.vsdx
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