Section 17
Station communication
706
IED
Preprocessing blocks
SMAI
TRM module
110 V
1 A
1 A
IEC08000072 V3 EN-US
Figure 351:
Example of signal path for sampled analogue values from MU and
conventional CT/VT
The function has the following alarm signals:
•
MUDATA:
•
Ok[0] indicates that the merging unit samples are received from the
merging unit and are accepted.
•
ERROR[1] indicates that the merging unit samples are generated by
internal substitution.
•
SYNCH:
•
OK[0] indicates
Application
Preprocessing blocks
SMAI
MU1
MU2
Access Point
IEC/UCA 61850-9-2LE
Ethernet Switch
IEC/UCA 61850-9-2LE
Merging
1PPS
Unit
Combi
CT
CT
Sensor
Conventional VT
1MRK 506 382-UEN A
Station Wide
GPS Clock
Splitter
Electrical-to-
Optical Converter
1PPS
IEC/UCA 61850-9-2LE
Merging
1PPS
Unit
Combi
Sensor
IEC080000723enOriginal.vsd
Line distance protection REL650 2.2 IEC
Technical manual