Section 18 Remote communication...................................................1069
Binary signal transfer..........................................................................1069
Introduction....................................................................................1069
Principle of operation.....................................................................1069
Function block...............................................................................1071
Input and output signals................................................................1072
Setting parameters........................................................................1073
Transmission of analog data from LDCM LDCMTransmit..................1076
Function block...............................................................................1076
Input and output signals................................................................1077
Section 19 IED hardware..................................................................1079
Variants of case and local HMI display size..................................1079
Case from the rear side.................................................................1081
Hardware modules..............................................................................1085
Overview........................................................................................1085
Combined backplane module (CBM).............................................1086
Introduction...............................................................................1086
Functionality.............................................................................1087
Design......................................................................................1087
Universal backplane module (UBM)..............................................1089
Numeric processing module (NUM)..............................................1091
Introduction...............................................................................1091
Functionality.............................................................................1092
Block diagram...........................................................................1093
Power supply module (PSM).........................................................1093
Introduction...............................................................................1093
Design......................................................................................1094
Technical data..........................................................................1094
Local human-machine interface (Local HMI).................................1094
Transformer input module (TRM)..................................................1095
Analog digital conversion module, with time synchronization
Table of contents
30
Technical reference manual
Summary of Contents for Relion 670 series
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