D-sub connector (X003)
Fig.4: CANopen interface X003.The CAN bus line is connected via a 9-pin D-sub connector with the following pin assignment:
Pin | Connection |
|---|---|
1 | not used |
2 | CAN low (CAN-) |
3 | CAN Ground (internally connected to pin 6) |
4 | not used |
5 | Shield |
6 | CAN Ground (internally connected to pin 3) |
7 | CAN high (CAN+) |
8 | not used |
9 | not used |
The DIN rail contact spring and the connector shield are connected together. An auxiliary voltage of up to 30 VDC may be connected to pin 9, which is used by some CAN devices to supply the transceivers.