Omron CJ2 CPU UNIT - Routing Wiring Ducts; Wiring Ducts

5-7
5 Installation
CJ2 CPU Unit Hardware User’s Manual
5-2 Installation
5
5-2-2 Installation in a Control Panel
z Wiring Ducts
Precautions for Correct UsePrecautions for Correct Use
Tighten terminal block screws and cable screws to the following torques.
Ter minal Sc rews
M4: 1.2 N·m
M3: 0.5 N·m
Cable Connector Screws
M2.6: 0.2 N·m
z Routing Wiring Ducts
Install the wiring ducts at least 20 mm between the tops of the Racks and any other objects, (e.g.,
ceiling, wiring ducts, structural supports, devices, etc.) to provide enough space for air circulation
and replacement of Units.
30 mm
40 mm
30 mm
CPU
Rack
Mounting
bracket
Duct
81.6 to 89 mm
Expan-
sion
Rack
Breakers,
fuses
Power
equipment
such as
transformers
and magnetic
relays
Terminal blocks for
power equipment
Terminal blocks
for PLC
Fuses, relays, timers, etc.
(NOT heat-generating equip-
ment, power equipment, etc.)
Expansion Rack
CPU Rack
Output duct
200 mm min.
Power duct
Input duct