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4 Installation and Wiring
NX-series Communications Interface Units User’s Manual (W540)
4-3 Wiring the Terminals
4
4-3-1 Wiring the Screwless Clamping Terminal Blocks
Using Twisted Wires/Solid Wires
If you use twisted wires or solid wires, use the following table to determine the correct wire specifica-
tions.
Precautions for Correct Use
• Use cables with suitable wire sizes for the carrying current. There are also restrictions on the
current due to the ambient temperature. Refer to the manuals for the cables and use the
cables correctly for the operating environment.
• For twisted wires, strip the sheath and twist the conductor portion. Do not unravel or bend the
conductor portion of twisted wires or solid wires.
Terminals
Wire type
Wire size
Conductor length
(stripping length)
Twisted wires Solid wire
Plated Unplated Plated Unplated
All terminals
except
ground
terminals
Possible Possible Possible Possible
0.08 to 1.5 mm
2
(AWG 28 to 16)
8 to 10 mm
Ground
terminals
Possible Possible Possible Possible
2.0 mm
2
9 to 10 mm
Conductor length (stripping length)
Unravel wires Bend wires
NG
NG
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