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CJ-series Controller Link Units Section 4-2
2. The default setting is 2 Mbps, 500 m.
4-1-5 Terminating Resistance
Turn ON the terminating resistance using the switch on the bottom of the Unit
for the Units of both ends of the Network. The terminating resistance is
required at both ends of a Network to absorb unnecessary signals and reduce
noise.
The Controller Link Unit has built-in terminating resistance, which can be con-
nected simply by turning ON the slide switch.
Note 1. Always turn OFF the PLC’s power before setting the terminating resistance
switch.
2. Turn ON the switch to connect terminating resistance at the nodes at both
ends of the Network and turn OFF the switch at all other nodes. Normal
communication cannot be performed in the Network unless all the nodes
are set properly.
3. The TER LED indicator will light when the terminating resistance switch is
set to ON.
4. The default setting is OFF (not connected).
4-2 CJ-series Controller Link Units
The following settings are required for a Controller Link Unit used with a CJ-
series PLC.
Bottom switch Terminating resistance
OFF (factory default) Not connected.
ON Connected.
ON
Item Switch Page
Unit number Unit number setting switch 90
Node address Node address switches 91
Baud rate Baud rate, pins 1 and 2 92
Terminating resistance Terminating resistance switch 92