Hitachi 670 Series Application Guide

4.7.2.1 Setting example with a two-end power line .................................................................41
4.8 Configuration of binary signals............................................................................................45
4.8.1 Operation principle............................................................................................................ 45
4.8.2 Configuration of binary inputs and outputs........................................................................46
4.8.2.1 Configuration of binary inputs and outputs via ACT.....................................................46
4.8.2.2 Configuration of binary inputs and outputs via SMT.................................................... 48
4.8.3 Binary output signals.........................................................................................................51
4.8.4 Setting guidelines..............................................................................................................54
4.8.5 Settings............................................................................................................................. 58
Section 5 Communication set-up................................................................................63
5.1 Communication alternatives................................................................................................63
5.2 Communication channels....................................................................................................63
5.3 Fibre-optic communication interfaces with C37.94 protocol................................................65
5.4 Galvanic X.21 line data communication (X.21-LDCM)........................................................68
5.4.1 Introduction .......................................................................................................................68
5.4.2 Design............................................................................................................................... 68
5.4.3 Functionality...................................................................................................................... 70
5.4.4 Technical data................................................................................................................... 70
5.4.5 Communication via built-in X.21 galvanic interface...........................................................71
5.4.5.1 Service settings for the line differential protection IED with X.21 galvanic interface....71
5.4.5.2 PDH telecommunication via C37.94 interface to external transceiver C37.94-X.21.... 71
5.5 PDH telecommunication via C37.94 interface to transceiver 21-216..................................72
5.5.1 Communication requirements........................................................................................... 72
5.5.2 Communication structure via C37.94 interface to transceiver 21-216...............................73
5.5.3 Setting up transceiver 21–216...........................................................................................73
5.5.4 Power-up and LED statuses with transceiver 21–216.......................................................75
5.5.5 Service settings.................................................................................................................76
5.5.5.1 Service settings for the line differential protection IED.................................................76
5.5.5.2 Service settings for transceiver 21–216.......................................................................77
5.5.6 Earthing ............................................................................................................................77
5.5.7 Communication structure for laboratory testing.................................................................78
5.6 PDH/SDH telecommunication via C37.94 interface to transceiver 21-219 ........................ 79
5.6.1 Communication requirements........................................................................................... 79
5.6.2 Communication structure with transceiver 21-219 port synchronized from SDH
master clock...................................................................................................................... 79
5.6.3 Communication structure with PDH/SDH port synchronized from transceiver 21-219..... 80
5.6.4 Setting up transceiver 21–219...........................................................................................81
5.6.5 Power-up and LED statuses with transceiver 21–219.......................................................83
5.6.6 Service settings.................................................................................................................84
5.6.6.1 Service settings for the line differential protection IED.................................................84
5.6.6.2 Service settings for transceiver 21–219.......................................................................85
5.6.7 Earthing ............................................................................................................................85
5.6.8 Communication structure for laboratory testing.................................................................86
5.7 Communication status and fault tracing.............................................................................. 86
5.7.1 Communication status on the line differential protection IED............................................86
5.7.2 Detecting communication faults on transceiver 21-216.....................................................89
Table of contents 1MRK505382-UEN Rev. K
2 Communication set-up, 670/650 series
Application Guide
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Hitachi 670 Series Specifications

General

Brand	Hitachi
Model	670 Series
Category	Control Unit
Language	English