ABB Relion 670 Series Application Manual page 9
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Also See for Relion 670 Series:
- Technical manual (1432 pages) ,
- Technical reference manual (1232 pages) ,
- Applications manual (944 pages)
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5.7.1
Communication status on the line differential protection IED......................................... 84
5.7.2
Detecting communication faults on transceiver 21-216......................................................88
5.7.3
Detecting communication faults on transceiver 21-219......................................................88
5.7.4
Detecting communication faults through loop-back testing............................................ 89
Section 6
Appendix............................................................................................................ 91
6.1
Sample specification of communication requirements...........................................................91
Communication set-up, 670/650 series
Application Guide
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