减少PLC控制系统I/O点的研究与探讨  

The Research and Discussion on Reducing I/O Point of PLC Control System

作　　者：熊幸明[1] 

机构地区：[1]长沙大学

出　　处：《电气传动》2003年第6期49-51,共3页Electric Drive

摘　　要：在PLC控制系统设计中,有时会遇到输入、输出点不足的问题。通过合理地设计硬件电路和软件编程。可有效地减少PLC的I/O点占用量,从而降低设备费用,提高设备的性价比。It can be meeted sometimes the problem of lacked I/O in designing of PLC control system. Occuping quantity of PLC I/O can he reduced effectually by means of designing rationally hardware curcuit and software program, it reduces equipment cost and increases ratio of property price.

关 键 词：PLC 可编程序控制器 控制系统 程序控制 I/O点 

分 类 号：TM571.61[电气工程—电器]