D301087 0308 - BL20 CANopen 7-1
7 Guidelines for Electrical Installation
General Notes .................................................................................... 2
General........................................................................................................2
Cable Routing..............................................................................................2
Cable Routing Inside and Outside of Cabinets...........................................2
– Cable Routing Outside Buildings ............................................................3
Lightning Protection ....................................................................................3
Transmission Cables...................................................................................3
Cable Types ................................................................................................4
Potential Relationships...................................................................... 5
General........................................................................................................5
Potential-Free Installation............................................................................6
Non-isolated Installation..............................................................................6
Electromagnetic Compatibility (EMC) ................................................ 7
Ensuring Electromagnetic Compatibility .....................................................7
Grounding of Inactive Metal Components ..................................................7
PE Connection.............................................................................................8
Earth-Free Operation...................................................................................8
– Protect against high frequency interference signals ...............................9
Mounting Rails.............................................................................................9
EMC Compliant Cabinet Installation .........................................................10
Shielding of cables .......................................................................... 11
Potential Compensation .................................................................. 13
Switching Inductive Loads ........................................................................15
Protection against Electrostatic Discharge (ESD) .....................................15
Bus Connection ............................................................................... 16
Two-Pole Shield Connection............................................................ 17
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