ABB REL670 2.2 IEC - Page 821

CTCT
ABB
Merging
Unit
Ethernet Switch
IED
Combi
Sensor
Conventional VT
IEC61850-9-2LE
IEC61850-9-2LE
Splitter
Electrical-to-
Optical Converter
1PPS
1PPS
110 V
1 A
1 A
IEC61850-8-1
Station Wide
SCADA System
Station Wide
GPS Clock
Other
Relays
IEC61850-8-1
en08000069-3.vsd
IEC08000069 V2 EN-US
Figure 407: Example of a station configuration with the IED receiving analog
values from both classical measuring transformers and merging
units.
1MRK 506 369-UEN B Section 21
Station communication
Line distance protection REL670 2.2 IEC 815
Application manual