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Installation Section 5-2
• Whenever possible, route I/O wiring through wiring ducts or raceways.
Install the duct so that it is easy to fish wire from the I/O Units through the
duct. It is handy to have the duct at the same height as the Racks.
Wiring Ducts The following example shows the proper installation of wiring duct.
Note Tighten terminal block screws and cable screws to the following torques.
Terminal Screws
M3.5: 0.8 N·m
M3: 0.5 N·m
Cable Connector Screws
M2.6: 0.2 N·m
Duct
Duct
Unit
20 mm min.
20 mm min.
DIN Track
30 mm
40 mm
30 mm
CPU
Rack
Mounting
bracket
Expansion
Rack
Duct
81.6 to 89 mm
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