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Names and Functions of Parts
Section
2-1
60
2-1 Names and Functions of Parts
2-1-1
Names and Functions of Parts
100.5 mm
130 mm
34.5 mm
UNIT
NO.
LED indicators
Unit number
setting switch
(0 to F)
Backplane
connector
RS-232C
connector
0
Battery
compartment
cover (for
replacing
battery)
RUN
LC001
RD
SD
ERC
ERH
CS
PORT
Unit number setting switch:
Sets the unit number (0 to F) of the Loop Control Unit. Set the unit number of
the Loop Control Unit so that it is not the same as that of other CS1 CPU Bus
Units.
Note
The unit address (unit 10 Hex) is automatically stored to ITEM041
of the System Common block at the start of CPU Unit running based upon
the unit number set on the unit number setting switch. At the same time, the
same unit address value is automatically stored to the leading address of
each LCU number in Data Memory for the Node Terminals.
RS-232C port:
Used to connect to an ES100X Controller. Using the port is enabled by
creating an ES100X Controller Terminal block (Block Model 045).