BK5151, FC51xx, CX with CAN interface and EL6751: D-sub, 9 pin
The CANbus cable is connected to the FC51x1, FC51x2 CANopen cards and in the case of the EL6751 CANopen master/slave terminal via 9-pin Sub-D sockets with the following pin assignment.
The unlisted pins are not connected.
The mounting rail contact spring and the plug shield are connected together.
Note: an auxiliary voltage of up to 30 VDC may be connected to pin 9. Some CAN devices use this to supply the transceiver.
BK5151, EL6751 pin assignment