Chapter 5 Wiring
Wiring
5-1
Chapter 5 Wiring
1 Wiring
Please use the input and output signal wire with O or Y Ends (see figure below). The torsion
torque should be 5~8kg-cm (4.3~6.9 in-lbs).
mm（Max）
mm（Min）
mm（Max）
mm（Min）
Blank terminal should not be wired.
Input and Output wire should not share same duct with power line, as well as use one
several-strand cable for connecting both input/output signal and power.
When PLCs are aligned in rows,
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The wiring for output/input signal of both basic and expansion units are susceptible to
interrupting by noise. Thusly, the distance should be more than 50mm as above figure.
The basic unit can expand more than two expansion units. Expansion cable should connect the
right side of front unit with left side of next unit. All in all, the right expansion groove is for the
next expansion unit or termination connector if there is no expansion unit any more.
The standard expansion cable with the expansion unit is 40mm. And the longer cable 400mm is
optional.
Precaution: The small conductor should not be allowed dropping into PLC when tightening the
screw and wiring.
expansion
> 50 mm
Basic unit
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