基于ARM的PLC CAN总线网络的实现

2012 4th International Conference on Intelligent Human-Machine Systems and Cybernetics Pub Date : 2012-08-26 DOI:10.1109/IHMSC.2012.74

Jinshui Shi

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引用次数: 4

摘要

CAN总线是应用最广泛的现场总线之一。针对采用RS485方式建立PLC工业网络存在的问题，提出了一种基于32位单片机LPC2294的PLC接入CAN总线网络的方案。详细介绍了32位ARM单片机、LPC2294和CAN TJA1050T收发器的特点，给出了PLC作为CAN总线智能节点的硬件结构和软件设计。结合硬件的实际使用情况，提出了抗干扰措施。

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The Implementation of CAN Bus Network of PLC Based on ARM

CAN bus is one of the most widely used field bus. In the light of the faults of PLC industrial network established by RS485, this paper presents a scheme for PLC accessing to the CAN bus network, which is based on the 32 bit MCU LPC2294. The author describes in detail the features of 32 bit ARM microcontroller, LPC2294 and CAN TJA1050T transceiver and gives the hardware structure and software design of PLC using as a CAN bus intelligent node. Combining with the actual use of the hardware, the author puts forward the anti interference measures.

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2012 4th International Conference on Intelligent Human-Machine Systems and Cybernetics

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