【摘要】 纺织厂使用的并条机FA272,原电气控制为继电器接触控制,经过多年的使用,设备老化,另外,原设计的一些缺陷已明显暴露出来,现采用PLC和变频器进行技术改造,可简化外围控制电路,降低控制线路的故障率,提高运行可靠性,控制性能明显提高,大大地提高了生产效益,受到了厂家的欢迎。更多还原

【Abstract】 The relay contact control is adopted in the machine FA272 of textile mill.Its blemishes are exposed obviously.The reform adopting the PLC and the frequency transducer can simplify outer circuit,decrease it’s fault,obviously improve its control function and increase the reliability of the machina and production efficiency.更多还原