自己在收集的关于canbus比较齐全的资料，有canbus的详细讲解以及CANopen协议的资料，对于研究can现场总线的比较有帮助-Own collection of more complete information on the canbus have canbus of detailed briefings, as well as information on CANopen protocol for the study can be helpful comparison of fiel

CAN-BUS规范，如今CAN总线广泛应用于汽车电子，工业现场通信等领域，这是CAN-BUS的规范2.0版。-CAN-BUS specification, CAN bus is now widely used in automotive electronics, communications and other fields industrial site, which is CAN-BUS specification version 2.0.

10多种基于工业现场总线的比较ＭＯＤＢＵＳ，ＰＲＯｆｉｂｕｓ等-10 kinds of industrial field bus-based comparison of MODBUS, PROfibus etc.