摘要
研究了一种基于PLC的电梯曳引机测试系统。介绍了该系统的功能及组成,重点对控制系统的硬件构成和软件设计进行了阐述,讨论了PLC与上位机的通讯以及报表软件的设计等。
A testing system for elevator dray machine based on PLC were analyzed.The function and the structure of this system,the hardware structure and software design of the PLC controlling system were discussed,and the design of the communication between the PLC and the computer,the software for the report forms is also discussed in this paper.
出处
《机械与电子》
2005年第4期27-29,共3页
Machinery & Electronics
关键词
电梯曳引机
PLC
变频调速
交流双速
elevator dray machine
PLC
variable frequency operation
alternating current twinspeed
