5.3 Communication
5.3.1 CAN bus
Examples with three AGC 242 units connected.
Until SW version 4.5x.x it is not possible to mix CAN bus wiring interface A and B. It has to be wired separate-
ly, as illustrated below.
CANbus interface A
10 11 12
H GND L
CANbus interface A
10 11 12
H GND L
CANbus interface A
10 11 12
H GND L
120 120
CANbus interface B
13 14 15
H GND L
CANbus interface B
13 14 15
H GND L
CANbus interface B
13 14 15
H GND L
120 120
From SW version 4.5x.x it is possible to mix the CAN wiring between A and B interfaces, if the interfaces that
are wired together are configured to use matching protocols (channel 7840). For more information about
available configuration of the CAN ports, see chapter "Available CAN ports". Below is an example of mixed
CAN A and B.
CANbus interface A
10 11 12
H GND L
CANbus interface B
13 14 15
H GND L
CANbus interface A
10 11 12
H GND L
120 120
Connect shield to earth at one end only. Shield ends must be insulated with tape or insulation
tubing.
Use shielded twisted cable.
End resistor R = 120 Ohm.
AGC 200 installation instructions
4189340610 UK
Wirings
DEIF A/S Page 57 of 67
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