ABB RELION 670 Series Technical Manual page 1119

1MRK 502 066-UUS B
Section 18
18.1 Communication protocols
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
Status of the protocols can be viewed in the LHMI under Main menu/Diagnostics/IED status/
Protocol diagnostics. The diagnostic values are:
Diagnostic value
Off
Error
Warning
Ready
Technical manual
Station communication
Description
Protocol is turned off
An error has occured, refer to event list for more
information
Configuration inconsistency. Unable to locate data
point.
Protocol is ready
Section 18
Station communication
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