摘要
主要阐述通过改进接线与编程相结合解决PLC输入 /输出点不足的几种方法 。
This paper mainly set forth the ways to solve the problem of the insufficient input and output points of PLC by improving wiring and programming, and these also can decrease the cost of hardware in PLC control system.
出处
《山东科技大学学报（自然科学版）》
CAS
2003年第2期78-80,共3页
Journal of Shandong University of Science and Technology(Natural Science)
