Hello, I had a basic question regarding the onboard diagnostics performed in vehicles over CAN. 1. Is this onboard diagnostics a separate mode in software? 2....
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 1, 2008 8:21 am
6476
Prasad, Yes, no and maybe to all of your questions. It all depends on the module(s) involved and what the requirements are. I suspect most of the diagnostics...
Allen Pothoof
apothoof@...
Feb 1, 2008 2:59 pm
6477
Allen, How about something Diagnostics using KWP 2000 protocol? As lots of messages have to be received over CAN for diagnostic purposes, I assume this will be...
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 1, 2008 5:35 pm
6478
Prasad, I guess I don't understand your question. The technician won't normally be interrogating diagnostics while driving down the road (although we do...
Allen Pothoof
apothoof@...
Feb 1, 2008 9:12 pm
6479
Greetings I am engaged in a thesis for a Comp Sci Masters degree at Trinity College, Dublin. I am investigating the functioning of the low speed (chassis) bus...
Arthur Doohan
arthur@...
Feb 5, 2008 10:53 am
6480
Hi,
does anybody have experience in using a can-bus in ex-zones?
What are the special requirements?
Any suggestions for literature?
I didn't find goog...
Galuski Michael
M.Galuski@...
Feb 5, 2008 10:54 am
6481
... There are some companies with a lot of experiences in physical layer design. I remember that EMS Wünsche http://www.ems-wuensche.com designed such...
Heinz-Juergen Oertel
oe@...
Feb 5, 2008 5:21 pm
6482
Marcelo, It is not possible to disable automatic retransmission on this device. Regards, Hareesh. ... From: canlist-owner@... ...
Janakiraman, Hareesh
hareesh@...
Feb 5, 2008 6:09 pm
6483
Hello, What is the difference between CANopen and normal CAN (ISO 11898) protocol? Is it only different in the application layer? Where can I find the...
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 6, 2008 6:20 pm
6484
www.can-cia.org CAN in Automation (CiA) is the organization that owns the CANopen specification. CAN does not have an application layer. KWP is a not CAN-based...
cyrilla@...
Feb 6, 2008 7:52 pm
6485
Another one: http://www.canopenia.com/comparison.htm Steve ________________________________ From: canlist-owner@... ...
Corrigan, Steve
s-corrigan1@...
Feb 6, 2008 7:54 pm
6486
Hi Prasad, These should help. Steve C. http://www.canopen.us/faq/ http://www.can-wiki.info/ ________________________________ From:...
Corrigan, Steve
s-corrigan1@...
Feb 6, 2008 7:57 pm
6487
... Hi Prasad, look at both like at the OSI layer model CAN itself contains layers 1 and 2, medium access control and data link layer. CANopen is an so-called...
Heinz-Jürgen Oertel
oe@...
Feb 6, 2008 10:14 pm
6488
Hello, Please refer the figure at: http://picasaweb.google.com/prasad.rotti/CANProblem/photo#51640795797617 75138 We have hooked up 3 modules on a CAN Network...
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 7, 2008 4:48 am
6489
Hello, I haven't seen that before. I have had problems with logging, but it was due to Bill Basic filesystem. Timestamps were messed up when I made CAN switch...
heikki.saha@...
Feb 7, 2008 7:10 am
6490
Hi , I agree with the explanation as i had problem of raising faults in the system.This was improved when i used a good PC and with only CANalyser running. ...
Krishna Yalamanchili
krishnay10@...
Feb 7, 2008 10:26 am
6491
Hello, we also use CANalyzer, and I have never seen this problem before. It is true that in an older PC with little memory, traffic overload may overrun the...
Osmar Yang
oy@...
Feb 7, 2008 11:10 am
6492
Hello SIG friends, We are working with PowerQuick 8313 and looking for CAN controller that can be used as a master ("good" HW design: at least 16 messages box...
Moshe Barazani
mbarazani@...
Feb 11, 2008 7:15 pm
6493
... Moshe, I can not recommend any other stand alone controller. I hope you will get better information from others. The only solution for you, take an FPGA...
Heinz-Juergen Oertel
oe@...
Feb 11, 2008 8:03 pm
6494
TI DSP with built in CAN controller? ... From: canlist-owner@... [mailto:canlist-owner@...]On Behalf Of ...
Robert Cronkite
rcronkite@...
Feb 11, 2008 10:17 pm
6495
Hello, Can I use KWP 2000 for diagnostics purposes, when I have CANopen protocol as my application layer? From what I understand, CANopen also uses CAN bus. So...
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 13, 2008 7:40 am
6496
Hi All, I figured out the problem. The WRITE window in the CANalyzer was logging the following error: "CAN driver overrun, messages are lost" meaning, that the...
Rotti, Prasad (IE10)
Prasad.Rotti@...
Feb 13, 2008 7:41 am
6497
Hello, Basically there should not be any problems - CANopen uses by default 11-bit CAN-IDs and KWP2000 29-bit CAN-IDs. But in general case you should be...
heikki.saha@...
Feb 13, 2008 9:01 am
6498
Hello Prasad, I totally agree to Heikkis answer. To be added: Some diagnostics also use 11 Bit IDs (some car OEMs, and dependendent on addessing schemes also...
Klüser, Jürgen
Juergen.Klueser@...
Feb 13, 2008 12:02 pm
6499
Hi , I just started learning CAN and have a question on the usage of CAN IDs. On what basis we select a message to be either standard or extended? Typically...
Sriharsha B
hare23@...
Feb 13, 2008 12:03 pm
6500
Hi, I need to use CAN in my academic project, can I get any free CAN simulation model? Is there a c-model available for CAN? Regards, hare...
Sriharsha B
hare23@...
Feb 13, 2008 12:29 pm
6501
The extra bits don't "cost much" ... an entire packet might have up to 150 bits (including stuff bits). Thus it only adds 18/150 (12%) to the length (time) of...
Corey, Richard
Richard.Corey@...
Feb 13, 2008 12:35 pm
6502
Hello, From system point of view, there is no sense to use 29-bit IDs as long it is possible to use 11-bit IDs only. Additional 20 bits just take bandwidth and...
heikki.saha@...
Feb 13, 2008 12:42 pm
6503
Prasad: I would like to clarify some information here. I can honestly say I do not see Ext CAN IDs used in Diagnostic (Emissions or Enhanced) unless it is a...
cyrilla@...
Feb 13, 2008 3:43 pm
6504
Hi, hare, It is this 29 bit extended ID "Mode" makes the CAN a powerful layout suite for SAE J1939 and NMEA 2000. The 11 bit ID basically not used in SAE...
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