Operating instructions

7-1
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Guidelines for Installing Networked
Automation Systems in Buildings
Chapter Overview
7.1 General Instructions on Networking with Bus Cables 7-2. . . . . . . . . . . . . . . . .
7.2 Protection from Electric Shock 7-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3 Electromagnetic Compatibility of Bus Cables 7-5. . . . . . . . . . . . . . . . . . . . . . . .
7.3.1 Measures to Counter Interference Voltages 7-6. . . . . . . . . . . . . . . . . . . . . . . . .
7.3.2 Equipotential Bonding System 7-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3.3 Requirements of the Alternating Power Distribution System 7-9. . . . . . . . . . .
7.3.4 Shielding Devices and Cables 7-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3.5 Special Noise Suppression Measures 7-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4 Positioning of Devices and Cable Routing 7-18. . . . . . . . . . . . . . . . . . . . . . . . . .
7.4.1 Influence of the Current Distribution System (EN 50174-2, 6.4.4.2) 7-18. . . . .
7.4.2 Cable Categories and Clearances 7-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4.3 Cabling within Closets 7-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4.4 Cabling within Buildings 7-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4.5 Cabling outside Buildings 7-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.5 Mechanical Protection of Bus Cables 7-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.6 Electromagnetic Compatibility of Fiber-Optic Cables 7-25. . . . . . . . . . . . . . . . .
7.7 Installing LAN Cables 7-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.7.1 Instructions for Installing Electrical and Optical LAN cables 7-26. . . . . . . . . . . .
7.8 Additional Instructions on Installing Fiber-Optic Cables 7-28. . . . . . . . . . . . . . .
7.9 Fitting Twisted Pair Connectors 7-29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.10 Installing and Wiring up the FC Outlet RJ-45 7-35. . . . . . . . . . . . . . . . . . . . . . . .
7.11 Connecting Fiber-Optic Cables 7-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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