Section 14
Station communication
14.1
Communication protocols
M14815-3 v13
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.
14.2
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 505 384-UEN A
Section 14
Station communication
Breaker protection REQ650 2.2 IEC
523
Technical manual
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