Section 18 Station communication
18.1 Communication protocols
M14815-3 v12
Each IED is provided with a communication interface, enabling it to connect to one or many
substation level systems or equipment, either on the Substation Automation (SA) bus or
Substation Monitoring (SM) bus.
Available communication protocols are:
• IEC 61850-8-1 communication protocol
• IEC 61850-9-2LE communication protocol
• LON communication protocol
• SPA or IEC 60870-5-103 communication protocol
• DNP3.0 communication protocol
Several protocols can be combined in the same IED.
18.2 Communication protocol diagnostics
GUID-6BC4671F-6D06-4BBD-B1FF-2F03FF16A856 v1
Status of the protocols can be viewed in the LHMI under Main menu/Diagnostics/IED status/
Protocol diagnostics. The diagnostic values are:
Diagnostic value Description
Off Protocol is turned off
Error An error has occured, refer to event list for more
information
Warning Configuration inconsistency. Unable to locate data
point.
Ready Protocol is ready
1MRK 502 066-UUS B Section 18
Station communication
1113
Technical manual
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