J1939
Bryan Hennessy’s Q1/2024 SAE J3271 update
There are applications for CAN that are considered non-traditional; not the fixed layout control system found in most CAN applications. Two 'new' areas where CAN is being considered fall within this category: megawatt vehicle chargers and tractor/trailer connections. Electrifying trucks While electric car chargers are common throughout much of the world, they will not be adequate...
CAN Signal Analysis with Spreadsheets and Kvaser’s CanKing SAE J1939 Example
A few of the customers I’ve worked with over the last few years have indicated a need to analyze a limited number of CAN signals within an SAE J1939 data stream. Although Kvaser has many partner companies that offer plenty of powerful choices for CAN analysis software, it is sometimes desirable to graph a signal...
Applying a J1939 DBC file and building a simple test script in CanKing
In the previous post I introduced some of the free software downloads from Kvaser, and gave an example of how to use some of these tools for learning about CAN, and for CAN development and test projects while at home. There is no specific hardware required for this, just a computer. The primary software tools...
An Introduction to J1939 and DBC files
This is an introductory guide to understanding and working with J1939 DBC files. Prerequisites: Have a basic understanding of representing numbers in Hexadecimal format. Understand the concept of serial data communications. CAN Basics web-based training from Kvaser. UNITS 1, 2, and 3 minimum, or equivalent knowledge. Summary The DBC file is an ASCII based translation file...
