CAN bus DB9 connector (CiA 303-1) is the standard for industrial CANopen connections providing CAN high, CAN low, ground, and optional 12V supply in a standard D-sub connector for factory and machine automation.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Reserved | Manufacturer defined | I/O |
| 2 | CAN_L | CAN bus low 1.5V dominant | BUS |
| 3 | CAN_GND | CAN ground | GND |
| 4 | Reserved | Manufacturer defined | I/O |
| 5 | Shield | Cable shield optional | GND |
| 6 | GND | Optional ground | GND |
| 7 | CAN_H | CAN bus high 3.5V dominant | BUS |
| 8 | Reserved | Manufacturer defined | I/O |
| 9 | CAN_V+ | Optional 12V supply | PWR |
CAN bus DB9 connector (CiA 303-1) is the standard for industrial CANopen connections providing CAN high, CAN low, ground, and optional 12V supply in a standard D-sub connector for factory and machine automation.