4 Installation and Wiring
4-32
NJ-series CPU Unit Hardware User’s Manual (W500)
• Use crimp terminals for wiring.
• Do not connect bare stranded wires directly to terminals.
• Tighten the terminal block screws to the torque of 0.5 N·m.
• Use crimp terminals (M3) having the dimensions shown below.
Wiring
• Make sure that all Units are connected properly.
• Do not allow wire clippings, shavings, or other foreign material to enter any Unit during wiring.
• To allow heat to dissipate, always remove any dustproof labels that are on the top of the Units
before you turn ON the power supply.
• Wire the Units so that they can be easily replaced.
• Make sure that the I/O indicators are not covered by the wiring.
• Do not place the wiring for I/O Units in the same duct or raceway as power lines. Inductive noise
can cause errors in operation.
• Tighten the terminal screws to the torque of 0.5 N·m.
6.2 mm max.
6.2 mm max.
OD211
0 123
4
5 6 7
8 9 10 11 12 13 14 15
OD211
01234567
8 9 10 11 12 13 14 15
After wiringDuring wiring
Remove the label.
17.5 mm
Screw (M3 screw with
self-raising pressure plate)
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