Cable Routing Inside Cabinets In Buildings; Cable Routing Outside Cabinets And Inside Buildings - Siemens SIMATIC ET 200AL System Manual

3.2

Cable routing inside cabinets in buildings

Rule
Observe the following rules for proper cable routing inside of control cabinets:
● If a crossing of cables is unavoidable, then cross the cables at an angle of 90°, if
● Do not route cables coming into the cabinet from outside parallel to the shield supports.
3.3

Cable routing outside cabinets and inside buildings

Rule
Observe the following rules for proper cable routing outside control cabinets and inside
buildings:
● Read the information in section Assigning cables to cable categories (Page 9).
● If you route the cables in metallic cable channels, you can rearrange the cable channels
● Connect metallically conductive cable racks to the potential equalization of the building.
● If a crossing of cables is unavoidable, then cross the cables at an angle of 90°, if
Designing interference-free controllers
Function Manual, 06/2014, A5E03461486-AB
possible, in order to keep interference from electrical fields as low as possible.
next to each other.
possible, in order to keep interference from electrical fields as low as possible.
Interference-free cable routing
3.2 Cable routing inside cabinets in buildings
11