ABB Relion 670 Series Technical Reference Manual page 1008

Section 17
Station communication
1002
SMAI1
BLOCK SPFCOUT
DFTSPFC AI3P
^GRP1L1 AI1
^GRP1L2 AI2
^GRP1L3 AI3
^GRP1N AI4
TYPE AIN
IEC08000212 V2 EN
Figure 490: Example of signal path for sampled analog values from MU with IRIG-
B synchronization
IED
Application
Preprocessing blocks
SMAI
MU1 (Logic MU) MU2 (Logic MU)
OEM Module
CD
IEC61850-9-2LE
Ethernet Switch
IEC61850-9-2LE
ABB
1PPS
Merging
Unit
Combi
Sensor
1MRK505222-UUS C
Station Wide
GPS Clock
IRIG-B
1344
Splitter
Electrical-to-
Optical Converter
IEC61850-9-2LE
ABB
1PPS
Merging
Unit
Combi
Sensor
en08000212-2.vsd
Technical reference manual