ABB Relion 670 series - Page 1139

CTCT
Combi
Sensor
ABB
Merging
Unit
ABB
Merging
Unit
Ethernet Switch
Combi
Sensor
Conventional VT
IEC61850-9-2LE
IEC61850-9-2LE
IEC61850-9-2LE
Splitter
Electrical-to-
Optical Converter
1PPS
1PPS
1PPS
110 V 1 A
Station Wide
GPS Clock
en08000072-2.vsd
OEM Module
Preprocessing blocks
SMAI
Application
MU1 MU2
1 A
TRM module
Preprocessing blocks
SMAI
IED
CD
IEC08000072 V2 EN-US
Figure 588: Example of signal path for sampled analogue values from MU and conventional
CT/VT
The function has the following alarm signals:
1MRK 502 066-UUS B Section 18
Station communication
1133
Technical manual