Omron NX Series User Manual page 102

4 Installation and Wiring
Duct
Unit
Duct
Additional Information
If you want to attach or remove the Fan Unit of CPU Unit while the CPU Rack remains mounted
on the control panel, ensure at least 50 mm between the tops of CPU Unit and the wiring duct.
Duct
CPU
Unit
Duct
 Wiring Duct Example
30 mm
40 mm
Precautions for Correct Use
Tighten terminal block screws and cable screws to the following torques.
Terminal Screws
M4: 1.2 N·m
M3: 0.5 N·m
Cable Connector Screws
M2.6: 0.2 N·m
 Routing Wiring Ducts
Install the wiring ducts at least 20 mm away from the tops of the Rack and any other objects (e.g.,
ceiling, wiring ducts, structural supports, devices, etc.) to provide enough space for air circulation
and replacement of Units.
4-12
20 mm min.
DIN Track
20 mm min.
50 mm min.
DIN Track
20 mm min.
30 mm
Duct
100 mm
CPU
Rack
Mounting
bracket
Other
devices
NX-series CPU Unit Hardware User's Manual (W535)