5-7
5 Installation
CJ2 CPU Unit Hardware User’s Manual
5-2 Installation
5
5-2-2 Installation in a Control Panel
Precautions for Correct UsePrecautions for Correct Use
Tighten terminal block screws and cable screws to the following torques.
Ter mi n a l S crew s
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.
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
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