4 Installation and Wiring
4 - 32
NX-series Digital I/O Unit User’s Manual (W521)
• Make sure that all Units are connected properly.
• Do not allow wire clippings, shavings, or other foreign material to enter any Unit during wiring.
• 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.
Connecting/Removing Wires
Screw
(M3 screw with self-raising pressure plate)
17.5 mm
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