« Return to Thread: which higher layer protocol is used in Mercedes Axor trucks(on top of CAN with 11 bit identifiers)
Re: which higher layer protocol is used in Mercedes Axor trucks(on top of CAN with 11 bit identifiers)
by Funny N.
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Is it a J1939 device? Many CAN Kingdom or DeviceNet devices use the 11 bit CAN frames.
SAE J1939 didn't define many PGNs on the 11 bit frame, but you can still use it for proprietary protocols, I knew VOLVO trucks/engines have many non-standard message with 11 bits or 29 bits ID on its J1939 network. As long as it goes with what has been defined/ruled by SAE, it is still "legall" to be used. Although it is not recommend to put heavy traffic on proprietary messages in case it jams regular traffic.
Funny N.
Au Group Electronics, New Bedford, MA, http://www.AuElectronics.com
SAE J1939 didn't define many PGNs on the 11 bit frame, but you can still use it for proprietary protocols, I knew VOLVO trucks/engines have many non-standard message with 11 bits or 29 bits ID on its J1939 network. As long as it goes with what has been defined/ruled by SAE, it is still "legall" to be used. Although it is not recommend to put heavy traffic on proprietary messages in case it jams regular traffic.
Au Group Electronics, New Bedford, MA, http://www.AuElectronics.com
----- Original Message
----
From: Selçuk Cihan <selcukcihan@...>
To: canlist@...
Sent: Wednesday, July 2, 2008 5:09:58 AM
Subject: [CANLIST] which higher layer protocol is used in Mercedes Axor trucks(on top of CAN with 11 bit identifiers)
Hi, i am able to read and understand the contents of can frames
received from trucks of certain brands(renault for instance), those
are extended frames(29bit identifier, application layer according to
SAE j1939.71). Unfortunately, from Axor, i can only receive standard
can frames(11 bit identifier) and i have no idea about the meaning of
the data. Which protocol does Axor use? I have been digging google and
have read many documents but still Axor is a mystery for me.
Any comment/suggestion on the subject is truely appreciated.
--
Archives and useful links: http://groups.yahoo.com/group/CANbus
Subscribe and unsubscribe at www.vector-informatik.com/canlist/
Report any problems to <canlist-owner@...>
From: Selçuk Cihan <selcukcihan@...>
To: canlist@...
Sent: Wednesday, July 2, 2008 5:09:58 AM
Subject: [CANLIST] which higher layer protocol is used in Mercedes Axor trucks(on top of CAN with 11 bit identifiers)
Hi, i am able to read and understand the contents of can frames
received from trucks of certain brands(renault for instance), those
are extended frames(29bit identifier, application layer according to
SAE j1939.71). Unfortunately, from Axor, i can only receive standard
can frames(11 bit identifier) and i have no idea about the meaning of
the data. Which protocol does Axor use? I have been digging google and
have read many documents but still Axor is a mystery for me.
Any comment/suggestion on the subject is truely appreciated.
--
Archives and useful links: http://groups.yahoo.com/group/CANbus
Subscribe and unsubscribe at www.vector-informatik.com/canlist/
Report any problems to <canlist-owner@...>
« Return to Thread: which higher layer protocol is used in Mercedes Axor trucks(on top of CAN with 11 bit identifiers)
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