SAE J1939 PROTOCOL SPECIFICATIONS

Dear Friends,
I'm a student, and I have to write a SW to connect an ATMEL CPU + CAN
INTERFACE to a CATERPILLAR CPU via CAN-BUS.
The protocol is SAE J1939.
My problem is I don't find anything on the WEB about the specifications.
Can anybody help me?
Thank you in advance.

TEST
"Richard" <(E-Mail Removed)> ha scritto nel messaggio
news:(E-Mail Removed)...
> Dear Friends,
> I'm a student, and I have to write a SW to connect an ATMEL CPU + CAN
> INTERFACE to a CATERPILLAR CPU via CAN-BUS.
> The protocol is SAE J1939.
> My problem is I don't find anything on the WEB about the specifications.
> Can anybody help me?
> Thank you in advance.
>
>
>
>

Richard wrote:

> Dear Friends,
> I'm a student, and I have to write a SW to connect an ATMEL CPU + CAN
> INTERFACE to a CATERPILLAR CPU via CAN-BUS.
> The protocol is SAE J1939.
> My problem is I don't find anything on the WEB about the specifications.
> Can anybody help me?
> Thank you in advance.
>
>
>
>

* Find the SAE web site and see what it'll take to get the
specification. You may be able to chisel it out of SAE for free because
you're a student, or get your school library (if its a University) to
buy it for you.

* Get a copy of "Controller Area Network, Basics, Protocols, Chips and
Applications" by Konrad Etschberger", IXXAT Press, 2001. The ISBN is
3-00-007376-0. This is an excellent book, and I'd recommend it to
anyone who's contemplating a CAN project.

After you do that, you'll still need to know the messages that CAT uses
-- that's up to you.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

On Wed, 14 Apr 2004 15:19:04 +0200, "Richard" <(E-Mail Removed)>
wrote:

>Dear Friends,
>I'm a student, and I have to write a SW to connect an ATMEL CPU + CAN
>INTERFACE to a CATERPILLAR CPU via CAN-BUS.
>The protocol is SAE J1939.
>My problem is I don't find anything on the WEB about the specifications.
>Can anybody help me?
>Thank you in advance.
>
>
>

Specifications of this sort usually have to be *purchased* directly
from SAE, and they're *not* cheap :-(

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice480)460-2350 | |
| E-mail Address at Website Fax480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.

In article <(E-Mail Removed)>, (E-Mail Removed)
says...
> Dear Friends,
> I'm a student, and I have to write a SW to connect an ATMEL CPU + CAN
> INTERFACE to a CATERPILLAR CPU via CAN-BUS.
> The protocol is SAE J1939.
> My problem is I don't find anything on the WEB about the specifications.
> Can anybody help me?
Try http://www.kvaser.com/ and follow the education link to white papers
for this paper.

Diesel Engine Control, CAN Kingdom and J1939

That should give you a starting point.

Robert