Siemens S5-135U/155U - Manual (Page 27)

3-1
System Manual
C79000-G8576-C199-06
Installation Guidelines
The Installation Guidelines provide you with information for the
interference-free installation of the SIMATIC S5-135U/155U programmable
controllers.
This chapter describes the following:
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Paths which serve for interference pickup in programmable controllers,
and five rules for ensuring electromagnetic compatibility (EMC)
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Interference-free installation of the programmable controllers
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Cable routing, the connecting of cable shields and equipotential bonding
between equipment
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The power supplies for control and load circuits, and the different
grounding concepts
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Shielding and grounding for the connection of centralized and distributed
expansions and monitors to programmable controllers
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The selection and design of cabinets
Section Description Page
3.1 Principles of Installation of Systems for EMC 3-2
3.2 Installation of Programmable Controllers for EMC 3-8
3.3 Wiring of Programmable Controllers for EMC 3-12
3.4 Power Supplies for Programmable Controllers and I/Os 3-20
3.5 Interference-Free Installation of Centralized and
Distributed Interface Circuits 3-28
3.6 Interference-Free Connection of Monitors 3-30
3.7 Selection and Installation of Cabinets with SIMATIC S5 3-33
Chapter
Overview
3