
D301108 1211 - BL20-ECO CANopenii
4.5 Setting the Node-ID ...................................................................................................................................... 4-10
4.6 Setting the Bit Rate ....................................................................................................................................... 4-11
4.7 Activating the Bus Terminating Resistor .................................................................................................... 4-12
4.8 Acceptance of the BL20 Station Configuration .......................................................................................... 4-13
4.9 Status Indicators/ Diagnostic Messages Gateway ..................................................................................... 4-14
4.9.1 Diagnostic Messages via LEDs ........................................................................................................................................................4-14
5 BL20 - Communication in CANopen
6 Guidelines for Station Planning
6.1 Module Arrangement ..................................................................................................................................... 6-2
6.1.1 Random Module Arrangement......................................................................................................................................................... 6-2
6.1.2 Complete Planning ............................................................................................................................................................................... 6-2
6.2 Maximum System Extension.......................................................................................................................... 6-3
6.3 Power Supply .................................................................................................................................................. 6-6
6.3.1 Power Supply to the Gateway........................................................................................................................................................... 6-6
6.3.2 Module Bus Refreshing........................................................................................................................................................................ 6-6
6.3.3 Creating Potential Groups .................................................................................................................................................................. 6-6
6.3.4 C-Rail (Cross Connection).................................................................................................................................................................... 6-7
6.3.5 Direct Wiring of Relay Modules ........................................................................................................................................................ 6-9
6.4 Protecting the Service Interface on the Gateway....................................................................................... 6-10
6.5 Plugging and Pulling Electronics Modules ................................................................................................. 6-10
6.6 Extending an Existing Station...................................................................................................................... 6-10
6.7 Firmware Download ..................................................................................................................................... 6-10
7 Guidelines for Electrical Installation
7.1 General Notes.................................................................................................................................................. 7-2
7.1.1 General ...................................................................................................................................................................................................... 7-2
7.1.2 Cable Routing.......................................................................................................................................................................................... 7-2
7.1.3 Lightning Protection ............................................................................................................................................................................ 7-3
7.1.4 Transmission Cables ............................................................................................................................................................................. 7-3
7.2 Potential Relationships .................................................................................................................................. 7-4
7.2.1 General ...................................................................................................................................................................................................... 7-4
7.2.2 Potential-Free Installation .................................................................................................................................................................. 7-4
7.3 Electromagnetic Compatibility (EMC)........................................................................................................... 7-5
7.3.1 Ensuring Electromagnetic Compatibility ...................................................................................................................................... 7-5
7.3.2 Grounding of Inactive Metal Components................................................................................................................................... 7-5
7.3.3 PE Connection......................................................................................................................................................................................... 7-5
7.3.4 Earth-Free Operation............................................................................................................................................................................ 7-5
7.3.5 Protection against high frequency interference signals ......................................................................................................... 7-6
7.3.6 Mounting Rails ........................................................................................................................................................................................ 7-6
7.3.7 EMC Compliant Cabinet Installation............................................................................................................................................... 7-7
7.4 Shielding of cables.......................................................................................................................................... 7-8
7.4.1 Potential Compensation ..................................................................................................................................................................... 7-8