Switch A
Switch B
1 2
Data
Data
Data
Data
=IEC09000758=3=en=Original.vsd
IED
Configuration
PRP
PRPSTATUS
1 2
OEM
AB
CD
Duo
Redundancy
Supervision
Station Control System
IEC09000758 V3 EN-US
Figure 587: Redundant station bus
18.5
IEC 61850-9-2LE communication protocol
GUID-6814F62B-8D99-4679-A11E-68048D1AC424 v1
18.5.1
Introduction
GUID-FE2AC08A-2E04-4E73-8CA4-905522B1026A v2
The IEC/UCA 61850-9-2LE process bus communication protocol enables an IED to communicate
with devices providing measured values in digital format, commonly known as Merging Units
(MU). The rear access points are used for the communication.
1MRK 502 066-UUS B
Section 18
Station communication
1123
Technical manual
Содержание Relion 670 series
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