Section 8 IEC 61850 communication engineering
8.1 IEC 61850 interface in the IED and tools
SEMOD120868-5 v3
For more information on the implementation of IEC 61850
standards in IEDs, see the IEC 61850 communication protocol
manual.
8.1.1 Function view for IEC 61850 in PCM600
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The IED function blocks have a design based on the demands and advantages of
the IEC 61850 standard. This means that there is a strict relation between the
function blocks and the logical node types. This relation is automatically handled
by the PCM600 tools.
The concept in IED is such that the 61850 data for each function instantiated in
ACT will be automatically created. This means that the user do not need to handle
any instance information for the functions regarding IEC 61850.
8.1.2 Access points
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An access point is an Ethernet communication interface for single or redundant
station communication. Each access point is allocated with one physical Ethernet
port, two physical Ethernet ports are allocated if redundant communication is
activated for the access point.
AP1
SFP_302
SFP_301
Device 1
AP1
SFP_302
SFP_301
Device 1
AP2
IEC16000092-1-en.vsdx
SFP_303
AP3
AP2
SFP_303
AP3
IEC16000092 V1 EN-US
Figure 66: Access points, non redundant (left) and redundant communication
(right)
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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 511 398-UEN C Section 8
IEC 61850 communication engineering
670 series 2.2 IEC 107
Engineering manual
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