I'm working on a project which is going to use a custom protocol based on CAN. CAN doesn't specify any particular connector, so I'm trying to choose one. Any recommendations? The connector should have at least four pins for CAN-L, CAN-H, CAN-power, and CAN-ground.
Recommend a CAN Connector
Feb 02, 2004
5 Replies
We used to use 9-pin D-sub connectors for low-speed (up to 250kbit) CAN work, the sort of thing that you'd use for RS232 ports. Easy to source connectors!
I guess you could try 5-pin DIN too. Again easy to source.
pete
pete@fenelon.com "there's no room for enigmas in built-up areas"
The industry standard seems to be 9-pin Sub-D connectors (male side on the transceiver module, female on the bus cable), wired like this:
2: CAN-L 3: ground 7: CAN-H
Hans-Bernhard Broeker (broeker@physik.rwth-aachen.de)
Even if all the snow were burnt, ashes would remain.
you have to look at the CanOpen spec.what includes physical (and application) layer and suggests diffrent connectors and their physical dimensions. CAN Documents from Bosch only define the layers in the middle what contain bit stuffing, error correction ....
On 2 Feb 2004 06:47:19 -0800, snipped-for-privacy@yahoo.com (Embedded Matt) wrote in comp.arch.embedded:
If you have no particular need to meet a particular physical interface specification, and board space is at a premium, consider using CAT5 Ethernet Cable. It actually works quite well. With eight wires, you can have multiple power and grounds for long runs.
Jack Klein
Home: http://JK-Technology.Com
FAQs for
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http://www.contrib.andrew.cmu.edu/~ajo/docs/FAQ-acllc.html
CANopen connector spec DS303-1 is available at
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Many of the describd connectors are commonly used, not only with CANopen. Anyhow besides suggesting CANopen connectors, I suggest using CANopen as well instead of home crown protocols (of course I do).
Regards Heinz
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