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15-62
Chapter 15: Appendix
15
[5] Wiring and grounding through wiring ducts and conduits
Shown below are methods for wiring and grounding through wiring ducts and conduits used on an FL-
net.
Observe the precautions below when wiring
1. When wiring using wiring ducts, separate the power lines and signal lines using a physical separator.
The wiring duct itself (including the lid and separator) must be grounded with a class D ground.
2. When using conduits, provide one conduit for the power lines and one for the signal lines. Use
conduit that complies with JIS-C-8305 and create a class D ground.
Wiring example when using a wiring duct
Wiring example using a conduit
Class D ground
Separator
Communication
cable
Analog I/O signal lines
I/O signal lines
Power lines
Wiring duct
Signal cable
Conduit
Class D ground