turck BL20 - Page 8

D301087 0308 - BL20 CANopeniv
Plugging and Pulling Electronics Modules.................................................. 6-16
Extending an Existing Station ..................................................................... 6-17
Firmware Download .................................................................................... 6-18
7 Guidelines for Electrical Installation
General Notes ............................................................................................... 7-2
General.................................................................................................... 7-2
Cable Routing.......................................................................................... 7-2
Cable Routing Inside and Outside of Cabinets....................................... 7-2
Lightning Protection ................................................................................ 7-3
Transmission Cables ............................................................................... 7-3
Cable Types ............................................................................................ 7-4
Potential Relationships ................................................................................. 7-5
General.................................................................................................... 7-5
Potential-Free Installation........................................................................ 7-6
Non-isolated Installation.......................................................................... 7-6
Electromagnetic Compatibility (EMC) ........................................................... 7-7
Ensuring Electromagnetic Compatibility ................................................. 7-7
Grounding of Inactive Metal Components .............................................. 7-7
PE Connection......................................................................................... 7-8
Earth-Free Operation............................................................................... 7-8
Mounting Rails......................................................................................... 7-9
EMC Compliant Cabinet Installation ..................................................... 7-10
Shielding of cables...................................................................................... 7-11
Potential Compensation.............................................................................. 7-13
Switching Inductive Loads .................................................................... 7-15
Protection against Electrostatic Discharge (ESD) ................................. 7-15
Bus Connection .......................................................................................... 7-16
Two-Pole Shield Connection ...................................................................... 7-17
8 BL20-Approvals for Zone 2/ Division 2
Certified BL20-Components......................................................................... 8-2
Certificates for Europe .................................................................................. 8-4
Type Examination Certificate .................................................................. 8-4
ATEX IEC Rev.1.doc.............................................................................. 8-10
Declaration of Conformity/ Konformitätserklärung................................ 8-11
Zertifikate für Europa .................................................................................. 8-12
Baumusterprüfbescheinigung ............................................................... 8-12