3
Installation Guidelines
The Installation Guidelines provide you with information for the
interference-free installation of the SIMATIC S5-135U/155U
programmable controllers.
This chapters describes the following:
••
Paths which serve for interference pickup in programmable
controllers, and five rules for ensuring electromagnetic
compatibility (EMC)
••
Interference-free installation of the programmable controllers
••
Cable routing, the connecting of cable shields and equipotential
bonding between equipment
••
The power supplies for control and load circuits, and the different
grounding concepts
••
Shielding and grounding for the connection of centralized and
distributed expansions and monitors to programmable controllers
••
The selection and design of cabinets
3
System Manual
C79000-B8576-C199-03
3 - 3