A feature of the CAN protocol is that the bit rate, bit sample point and number of samples in a bit period are user programmable. This gives the user the freedom to optimize the performance of the network for his given application.
The CAN-EngineTM (CANE) is a high performance, low cost, C/C++ programmable embedded controller with CAN support. It is intended for networking, automotive, industrial process control, high-speed data acquisition, and especially ideal for OEM applications.
SAE J1939 has become the accepted industry standard and the vehicle network technology of choice for off-highway machines in applications such as construction, material handling, and forestry machines. J1939 is a higher-layer protocol based on Controller Area Network (CAN). It provides serial data communications between microprocessor systems (also called Electronic Control Units – ECU) in any kind of heavy duty vehicles. The messages exchanged between these units can be data such as vehicle road speed, torque control message from the transmission to the engine, oil temperature, and many more.
Providing a detailed look at both CAN and CANopen, this book examines those technologies in the context of embedded networks. There is an overview of general embedded networking and an introduction to the primary functionality provided by CANopen. Everything one needs to know to configure and operate a CANopen network using off-the-shelf components is described, along with details for those designers who want to build their own CANopen nodes. The wide variety of applications for CAN and CANopen is discussed, and instructions in developing embedded networks based on the protocol are included. In addition, references and examples using MicroCANopen, PCANopen Magic, and Vector’s high-end development tools are provided.
