Can Bus Cable Wiring Diagram

This article covers the basics of can bus wiring to show a simple can bus wiring diagram and how to wire up a can bus cable.

Can bus cable wiring diagram.

Can bus data cable reduces wiring electronic interference and offers high speed network communication. Single wire can swc can bus usually accessed via 6 and 14 pin of obd ii connector. It covers wiring for the common db9 plug and socket often used with can bus test equipment. Manufacturer wire type u i.

The db9 is also known as 9 pin d sub db 9 de 9 serial connector rs232 connector or null modem connector. In the following i am listing a number of documents referring to wiring can bus which includes canopen devicenet and sae j1939 networks as well as a trouble shooting guide. Obd 2 iso 9141 2 kwp2000 k line l line. Canopen network can bus cabling guide application note by copley controls.

Can bus cable from waytek is rohs compliant. A controller area network can bus is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other s applications without a host computer it is a message based protocol designed originally for multiplex electrical wiring within automobiles to save on copper but can also be used in many other contexts. Can wiring notes on wiring of can bus systems and cable selection by esd electronics. The sae j1939 15 is unshielded with no drain and the sae j1939 11 can bus cable is shielded with.

The pin outs on this page are associated with the canopen protocol. The power supply wiring can be either totally separate from the can bus lines using suitable gauge wiring for each module resulting in two 2 wire cables being utilized for the network or it can be integrated into the same cable as the can bus lines resulting in a single 4 wire cable. For each device the data in a frame is. Unitronic bus can ul csa ul csa approved unitronic bus fd p can ul csa ul csa approved different wire gauges available concab gmbh äußerer eichwald 74535 mainhardt germany.

On a car the can bus is usually available via the obd port. Here are some schemes of obd ii diagnostic cables. The can bus is a balanced differential 2 wire interface running over either a shielded twisted pair stp un shielded twisted pair utp or ribbon cable. Specifically an ecu can prepare and broadcast information e g.

For additional information refer to the main can bus page. It is resistant to abrasions and cuts while also has an excellent resistance to oil and chemicals. Can bus cabling is available from multiple vendors. Sensor data via the can bus consisting of two wires can low and can high.

The broadcasted data is accepted by all other ecus on the can network and each ecu can then check the data and decide whether to receive or ignore it.