We have designed 2x CAN bus on NRU-220S. can0 is in the DB9, can1 is in the DB25.
CAN0
Pin
Definition
1
GND
2
Reserved
3
CAN_H
4
Reserved
5
CAN_L
6
Reserved
7
Reserved
8
Reserved
9
Reserved
120 Ohm Termination
Make sure you have enabled the 120 Ohm termination of the two ends of your CAN Bus.
NRU-220S has designed a CAN bus termination for can0 in the 4-Pin DIP Switch.
CAN1
120 Ohm Termination
Make sure you have enabled the 120 Ohm termination of the two ends of your CAN Bus.
From ES2, NRU-220S will have a CAN bus termination for can1 in the 4-Pin DIP Switch.
