Outdoor Cable Routing - Siemens SIMATIC S5 Manual

5.1.3

Outdoor cable routing

Cable routing rules The rules that apply to in-building routing and EMC also apply outdoors.
for EMC
Outdoor cabling is also subject to the following rules:
Additional
Appendix D contains additional information on lightning protection for the
information
ET 200 distributed I/O system. If you have any questions, do not hesitate to
contact your local Siemens branch or a company specializing in lightning
protection.
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
Routing cables; connecting and installing bus connectors
Lay cables on metal cable carriers.
Galvanically connect the butting faces of cable-carrier sections.
Ground the cable carriers.
If necessary, ensure adequate potential equalization between the
connected devices.
Provide adequate lightning protection and grounding as applicable in your
case (see below).
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