Section 17 Station communication
17.1 Communication protocols
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Each IED is provided with several communication interfaces 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/UCA 61850-9-2LE communication protocol
• LON communication protocol
• SPA communication protocol
• IEC 60870-5-103 communication protocol
• DNP 3.0 communication protocol
Several protocols can be combined in the same IED.
17.2 Communication protocol diagnostics
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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 506 382-UEN A Section 17
Station communication
Line distance protection REL650 2.2 IEC 671
Technical manual
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