
Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49
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2
5.3.2 Fieldbus connection via push-in tension clamp terminals 22
5.3.3 Connection through an I/O-ASSISTANT cable 22
5.4 Setting the node ID 24
5.5 Setting the bit rate 25
5.5.1 Autobaud function 25
5.6 Activation of the terminating resistor 26
5.7 Storing of the BL20 station configuration 26
5.8 Status indicators/diagnostic messages 27
5.8.1 27
6
7
7.1
Diagnostic messages via LEDs
BL20 - Communication in CANopen
Guidelines for Station Planning
Random module arrangement 31
7.1.1 Complete planning 31
7.1.2 Maximum system extension 32
7.2 Power supply 34
7.2.1 Power supply to the gateway 34
7.2.2 Module bus refreshing 34
7.2.3 Creating potential groups 34
7.2.4 C-rail (cross connection) 35
7.2.5 Direct wiring of relay modules 37
7.3 Protecting the service interface on the gateway 37
7.4 Plugging and pulling electronics modules 38
7.5 Extending an existing station 38
7.6 Firmware download 38
8 Guidelines for Electrical Installation
8.1 General notes 39
8.1.1 General 39
8.1.2 Cable routing 39
8.1.3 Lightning protection 40
8.1.4 Transmission cable 40
8.2 Potential relationships 41
8.2.1 General 41
8.2.2 Potential-free installation 41
8.3 Electromagnetic compatibility (EMC) 42
8.3.1 Ensuring electromagnetic compatibility 42