Firstly, this paper analyses the communication means of the main products on hydraulic powered support electric and hydraulic control system. Deficiency of the original means is indicated.

本文首先分析了国际上几种主要的液压支架电液控制系统的通讯实现方法，指出原有方法中存在的不足。

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The electric part USES PLC touch screen control, hydraulic system USES an electric pump to increase screening and dedusting equipment with high degree of automation.

本机电器部分采用PLC触摸屏控制，液压系统采用电动油泵，增加过筛、除尘装置，自动化程度高。

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Electric proportional pump-control hydraulic system controlled by PLC and CAN bus is the main format of driving control for modern heavy mobile cranes.

结合整机plc和CAN总线控制的电比例泵控液压系统是现代大型流动式起重机主要的传动控制形式。

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