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CAN总线是一种在控制检测领域应用极为广泛的现场总线,结合煤矿井下的特殊环境要求,设计基于PIC18单片机的CAN总线智能节点,给出硬件设计电路,实现煤矿井下智能CAN节点通信的要求。
CAN bus is a kind of fieldbus which is widely used in the field of control testing. Based on the special environmental requirements of coal mine, a CAN bus intelligent node based on PIC18 MCU is designed. The hardware design circuit and the requirements of intelligent CAN node communication in coal mine are given.