求翻译：随着社会的发展，电梯已成为生活中不可缺少的设备。基于PLC和变频器的电梯控制采用感应式传感器对楼层进行定位，变频器对交流电动机进行调速，PLC作为整个系统的控制核心对信号进行处理控制，来达到平稳升速，稳定制动，楼层显示，紧急呼叫，过载报警等各个功能。是什么意思？

With the development of society, the elevator has become indispensable in the life of equipment. Plc and inverter elevator control using inductive sensors on the floor to locate the inverter for AC motor speed control, plc, as the core of the control of the entire system to the signal processing con

With the development of society, elevator has become an integral part of life. Based on the frequency converter PLC elevator control and a sense of the floor sensor position, the converter for the AC motor speed control, as the entire system PLC the core of the signal processing, control to achieve

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正在翻译，请等待...

Along with society's development, the elevator has become in the life the essential equipment.Uses the induction based on PLC and the frequency changer elevator control to carry on the localization to the floor, the frequency changer carries on the velocity modulation to the motor, PLC took the over