Redundancy
: redundant communication is activated when the parameter is set to
PRP-0
,
PRP-1
or
HSR
. The settings for the next access point will be hidden and PhyPortB will show the
second port information. Redundant communication is activated after a common write to IED
is done.
PRP-1
should be used primarily,
PRP-0
is intended only for use in existing PRP-networks. PRP-1
and HSR can be combined in a mixed network.
If the access point is not taken into operation, the write option in Ethernet Configuration Tool
can be used to activate the access point.
IEC16000039 V1 EN-US
Figure 205: ECT screen with Redundancy set to PRP-1 on Access point 1 and HSR Access
point 3
16.3 Merging unit
16.3.1 Application
GUID-E630C16F-EDB8-40AE-A8A2-94189982D15F v1
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.
The merging units (MU) are called so because they can gather analog values from one or more
measuring transformers, sample the data and send the data over process bus to other clients
(or subscribers) in the system. Some merging units are able to get data from classical
measuring transformers, others from non-conventional measuring transducers and yet others
can pick up data from both types.
Section 16 1MRK 505 370-UEN D
Ethernet-based communication
390 Busbar protection REB670
Application manual
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