USER MANUAL 1.2 | B-FORTIS CC-SLIM SERIES
Berghof Automation GmbH | Arbachtalstrasse 26 | 72800 Eningen | Germany | www.berghof-automation.com
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5.2.8. 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. 16: CAN interface X7 (X12)
Assignment of the CAN interface plug X7 (X12)
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 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 terminating resistor between CAN_L and
CAN_H.
For Baud rates, settings and cable lengths, comply with the recommendations of CiA-303-1.
Example: at 1 Mbit, max. 25 m