采用同等plc及定位模块和伺服电机及变频器，触摸屏人性化操作、全自动调整。
It adopts equivalent PLC, positioning module, servo motor and frequency converter. Besides, its touch screen is featured with a humankind operation.
速度测量模块与速度控制模块通过控制变频器来调节回流焊的传输速度；
Speed measuring and controlling module realizes the control of Refolw Soldering transfer speed by manipulating transducer .
阐述了基于PLC和变频器控制的恒压供水系统的组成、功能及各功能模块的设计方法。
Demonstrates composition and function of a constant pressure water-supply system controlled by PLC and frequency converter as well as the design of each function module.
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