19 (30)
7.7
Field Bus Connectors X1, X2, X3, and X4
X1, X2, X3, and X4 are D-Sub 9 male connectors, that provide CAN high-speed, CAN FD, LIN
interfaces, and digital I/Os.
Observe the different pin allocation for CAN HS and CAN FD on connectors X1 and X2
compared to X3 and X4.
Pin Allocation X1
Pin
Signal
Description
1
CAN FD L
CAN FD 7 low signal
2
CAN HS L
High-speed CAN 1 low signal
3
GND
Common ground
4
CAN FD H
CAN FD 7 high signal
5
CAN TX Disable
RX only mode: when connected to GND, TX is disabled by hardware
6
RK Enable
When connected to pin 5 during power on, Rescue Kernel is activated.
7
CAN HS H
High-speed CAN 1 high signal
8
LIN
LIN signal 1
9
V-LIN
Power supply for LIN
Pin Allocation X2
Pin
Signal
Description
1
CAN FD L
High-speed CAN/CAN FD 8 low signal
2
CAN HS L
High-speed CAN 2 low signal
3
GND
Common ground
4
CAN FD H
High-Speed CAN/CAN FD 8 high signal
5
CAN TX Disable
RX only mode: when connected to GND, TX is disabled by hardware
6
—
Not used
7
CAN HS H
High-speed CAN 2 high signal
8
DIO
Digital I/O 1
9
V-DIO
Power supply for digital I/O
Pin Allocation X3
Pin
Signal
Description
1
CAN HS L
High-speed CAN 3 low signal
2
CAN FD L
High-Speed CAN/CAN FD 5 low signal (only CANnector L, LE, LA)
3
GND
Common ground
4
CAN HS H
High-speed CAN 3 high signal
5
CAN TX Disable
RX only mode: when connected to GND, TX is disabled by hardware
6
—
Not used
7
CAN FD H
High-Speed CAN/CAN FD 5 high signal (only CANnector L, LE, LA)
8
LIN
LIN signal 2
9
V-LIN
Power supply for LIN
CANnector Installation Guide
4.01.0091.20000 1.3 en-US
