7.1.2
IEC 61850 interface in the protection relay
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GUID-34A94216-83C6-4F05-8F12-E9BCCA2A5CF7 V1 EN
Figure 75:
IEC 61850: Communication interface principle
IEC 61850 provides a method for identifying all signals that belong to a function.
These signals are identified through the logical nodes representing the functions. All
signal information for commands and monitoring are available in logical nodes.
Whenever a function block is instantiated in the Application Configuration tool,
PCM600 automatically generates the corresponding logical node data.
7.1.2.1
GOOSE data exchange
The IEC 61850 protocol supports a method to directly exchange data between two or
more IEDs. This method is described in the IEC 61850–7–2 clause 15. The concept is
based on sending multicast telegrams over the Ethernet. Whoever needs the
information detects the telegram by its destination address and will read the telegram
and deals with it. The telegrams are multicast sent and not acknowledged by the
receiver.
Section 7
1MRS756800 F
IEC 61850 communication engineering
102
630 series
Engineering Manual