摘要
介绍了以PLC和变频器为核心的升降机调速系统,给出了硬件构成和软件设计,并对主要电路进行了分析。
This paper introduces the elevator, which uses PLC and inverter as the core to control velocity modulation system, and it also presents the hardware constitution and the software design, and analyes the main circuit.
出处
《自动化技术与应用》
2007年第8期17-18,共2页
Techniques of Automation and Applications
