利用CAN总线实现远程输入输出

Realizing Remote Input and Output with CAN Field-bus

介绍了CAN总线特点及通讯介质访问方式及远程10在电梯和自动扶梯中的应用。同时详细论述了利用CAN总线实现远程10的理论计算、组成结构及通讯策略，也给出了基于SJA1000芯片的具体的实现电路及在电路中CAN总线接口抗干扰的方法。

The features and the communication access method of the field-bus CAN and the remote IO demand in the escalator and elevator are introduced in the article. In addition, the calculation, structure and the communication strategy are detailed. The Realizeing circuit of chip based on the SJA1000, also the anti-interference circuit are provided.