介绍了可编程序控制器（PLC）的功能和特点，着重阐述了具有强大逻辑、算术控制功能的PLC在小型货物提升机控制系统中的应用。
The characteristic of PLC is introduced and the application of PLC with mightiness logic and number function in hoist control system underground small cargo hoist is emphasized.
该文介绍了西门子全数字直流调速装置(6ra70)和可编程逻辑控制器(SIMATIC S7 - 300)首次在码垛电磁铁系统中的应用。
This paper introduce the application of Siemens digital direct current timing device (6ra70) and program logical controller (SIMATIC S7-300) in piling bed electromagnet for the first time.
可编程逻辑控制器(的PLC)已广泛应用于工业。
Programmable Logic Controllers (PLCs) have been widely used in industry.
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