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CQM1H-series Controller Link Units
Section 4-5
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 PC’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 indicator will light when the terminating resistance switch is set
to ON.
4.
The switch is factory-set to OFF (terminating resistance not connected).
Switch at the front
Terminating resistance
OFF (default)
Not connected.
ON connected
(The diagram shows the factory setting.)
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