ABB REF 54 Series Technical Reference Manual, General page 75

1MRS750527-MUM Feeder Terminal
Technical Reference Manual, General
MicroSCADA
RER 111 LON
star-coupler
Fibre-optic
LON network
RE_ 54_ terminals
connected via RER 103
fibre-optic adapters
Fig. 5.1.13.9.-1 Example of a LON-based substation automation system
In the system described in the figure above, communication is usually arranged as
shown in the table below.
Table 5.1.13.9-1 Communication arrangement example
Data type
Control commands
Events and alarms
State of breakers and isolators sliding window protocol
Analog measurement values
Other DI, AI data
Other DO, AO data
Parameter data
SPA file transfer data
Other supported system configurations are represented in the following figures. A
LON bus and a parallel "SMS" bus connected as a SPA loop using the interface
module RER 123 on connector X3.2, allows to implement the redundant SMS
workstation.
PCLTA card and
RER 107 inside PC
RER 111 LON
SFIBER connection
cards
SPA bus
SPA bus
SPAC 331 C SPAC 331 C
I I
O O
SPA bus modules connected
over LON/SPA-gateways
REF <-> MicroSCADA
transparent SPA bus messages
sliding window protocol
sliding window protocol
sliding window protocol
transparent SPA bus messages
transparent SPA bus messages
transparent SPA bus messages
REF 54_
A050742
REF and LSG
devices to each other
-
-
network variables
-
network variables
network variables
-
-
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