BERGHOF DC2004 - CAN Bus

USER HANDBOOK 2.0 | DC20XX, ET20XX, ECC21XX SLIM
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
Dialog-Controller-DC20XX_EN.docx
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5.2.9. CAN Bus
Properties of the CAN interface
Standard
ISO 11898
Maximum Baud rate
1 MBit/s
Lowest adjustable
Baud rate
50 kBit/s
Contacts
Electrically isolated
Assignment
to CiA303
Fig. 29: CAN interface X7
Assignment CAN interface plug X7
Pin
Assignment
Pin
Assignment
1
CAN_H
5
NC
2
CAN_L
6
NC
3
ISO GND
7
ISO GND
4
NC
8
NC
If the CAN interface is located at the start or end of the CAN bus topology:
 Set switch S2 to ON in order to switch on the 120 Ω terminal resistance between CAN_L and CAN_H.