Hello CAN gurus, We have a CAN bus that is not galvanically isolated where each tranceiver is powered independantly and the ground is common. What we observe...
Paul Madle
P.Madle@...
Sep 17, 2008 11:29 am
6713
Simple question, I can run a J1939 (29bit) and CANopen (11bit) node on the same bus, as long as they run the same bitrate? regards Peter...
Peter Lauer
plauer@...
Sep 17, 2008 1:59 pm
6714
Dear Mr. Lauer, ... Yes, as long as all devices support 29bit ( in the CAN controller ). And even CANopen does support 29bit IDs for example in the PDOs. Mit...
Torsten Krahl
krahl@...
Sep 17, 2008 3:03 pm
6715
I'm not sure about the CANopen protocol, but the J1939 protocol stack should just ignore 11bit messages on the bus. Keep in mind however that this also depends...
Bram Kerkhof
canbus@...
Sep 17, 2008 3:04 pm
6716
Hello Paul, I've have experienced this as well. The problem is with the 82C250's. Replace them with 82C251's which were designed to fix this problem. Cheers,...
Corrigan, Steve
s-corrigan1@...
Sep 17, 2008 4:19 pm
6717
We are doing this for quite some time, it seems working quite well at 250K bps. Though We do see a relatively slower data passing through rate on a 500K bps ...
Funny NYPD
funnynypd@...
Sep 17, 2008 4:50 pm
6718
From personal experience, I would recommend the TJA1050 or some newer derivatives. ... - Jon http://www.cancapture.com CANCapture: Advanced CAN and J1939...
stunbmun
stunbmun@...
Sep 18, 2008 6:50 am
6719
Do any higher level protocols use remote frames? Is the ID in the remote frame the ID that is being requested? ... - Jon http://www.cancapture.com CANCapture:...
stunbmun
stunbmun@...
Sep 18, 2008 6:52 am
6720
Thanks for this Steve and others... most helpful. I now have another question if thats ok.... We run our CAN bus at a rather bizarre data rate (388kbps), this...
Paul Madle
P.Madle@...
Sep 18, 2008 9:49 am
6721
Hi Paul, had to check this up. With Vector CANalyzer and CANcardXL 380.952kbps is the closest setting to 388kbps. It's the same with CANalyzer and Kvaser...
Bertil Bäck
bertil.back@...
Sep 18, 2008 11:46 am
6722
Hi Jon, ... Yes, Remot Frames are defined in CANopen protocol for example for "Polling of PDOs" and also for Node-Guarding Protocol. And the ID in the frame is...
Torsten Krahl
krahl@...
Sep 18, 2008 1:43 pm
6723
Hi John, ... Yes. For example CANopen defines RTR requested PDOs. But, on the other hand, CiA recommends not to use RTR. The old CANopen Node Guarding...
Heinz-Juergen Oertel
oe@...
Sep 18, 2008 2:07 pm
6724
Esa Standard document Hello everybody, I try to explain my problem with an example: I have to transfer two arrays of four unsigned-32 variables using the ...
Maurizio Caramia
maurizio.caramia@...
Sep 22, 2008 4:12 pm
6725
Hello Maurizio, to 1) In CANopen an ARRAY is not to be defined as data type. So you do not need the definition at index 40h. (Rem: For Records it is required...
Klüser, Jürgen
Juergen.Klueser@...
Sep 22, 2008 5:17 pm
6726
Simple question - Are they compatible. Can you use a low speed fault tolerant CAN transceiver on a high speed bus that is running below 125K baud? A related...
Brian Edwards
b.edwards@...
Sep 24, 2008 8:07 pm
6727
On your first question, we did some bench test on mixing 250K and 500K nodes, some of the data can run through but not as smooth as a single speed net. So it...
Funny NYPD
funnynypd@...
Sep 24, 2008 9:44 pm
6728
Hi Brian, First question -- no way, since it's an entirely different electrical layer. Second question -- I don't think any of the auto makers use fault...
Corrigan, Steve
s-corrigan1@...
Sep 24, 2008 9:44 pm
6729
Hi, Steve, About the second question, why did you say very few auto makers use fault tolerant CAN? Can you or anybody else explain a little bit more about the...
cruiser yao
cruiser.yao@...
Sep 25, 2008 2:08 am
6730
Hello, NXP made fault tolerant transceivers such as the TJA1054 that several European companies were using. I haven't heard of them being used in quite...
Corrigan, Steve
s-corrigan1@...
Sep 25, 2008 6:21 pm
6731
Good Morning All, Mercedes are still utilising fault-tolerant CAN for many vehicles. We have investigated CAN interfaces for current model A, B, C, and M Class...
Paul Mason
paul@...
Sep 26, 2008 12:16 am
6732
Thanks Paul. I was wondering how it got into Chrysler. Cheers, Steve C. ... From: canlist-owner@......
Corrigan, Steve
s-corrigan1@...
Sep 26, 2008 7:23 pm
6733
Hi all, I'm locking for the CAN Message Map of TRUCK DAF 105 have you this document ??? Thank for your answer. <<Immagine (Metafile)>> Ing. Paolo Castellano ...
DTP Paolo Castellano
paolo.castellano@...
Oct 2, 2008 8:57 am
6734
Hi, I'm designing a CAN module with built in CAN bus termination resistors. The question is, what power rating do the resistors need? 1W, 2W? Br, -- Bertil...
Bertil Bäck
bertil.back@...
Oct 6, 2008 8:39 am
6735
Hello Br, What needs to be accounted for in a worst-case event is the "short-circuit output current" of the transceivers being used. This current would be for...
Corrigan, Steve
s-corrigan1@...
Oct 6, 2008 2:56 pm
6736
Hi Br, You should take in consideration a short circuit to the power train (14V or 27V?) to be sure that the resister want blow. The extreme but very rare case...
Martin Hollenweger
martin.hollenweger@...
Oct 6, 2008 6:19 pm
6737
Hi, Does anybody know the actuator number for the Panel LED on the HVAC module in the 2008 Chrysler/Dodge vehicles. I have found them for every other LED and...
Brian Edwards
b.edwards@...
Oct 6, 2008 8:38 pm
6738
Brian, I'm not an OBD expert, and I'm not even sure this is an OBD question, but I suspect you'll need to be even more specific. Chrysler sources climate...
Allen Pothoof
apothoof@...
Oct 7, 2008 12:58 pm
6739
Hi Al, The Chrysler OBD (CAN diagnostic) port allows you to take control of all the different actuators in the vehicle through the OBD port. I am looking for...
Brian Edwards
b.edwards@...
Oct 7, 2008 1:14 pm
6740
Hi Gurus, I'm so happy I've found this forum. I've been working with CAN for a few years and now I'm facing an odd problem. I apologize for the length of this ...
JXLL
jxll29@...
Oct 7, 2008 4:03 pm
6741
What's the crystal type and accuracy? Funny N. Au Group Electronics, http://www.AuElectronics.com ... From: JXLL <jxll29@...> Subject: [CANLIST]...