摘要
介绍某一典型自动装卸线的 PLC 控制系统。根据装卸线工艺要求,提出了实现自动控制的方案,给出了该控制系统的主要梯形图。
The paper introduces the PLC control system in a typical automatic Load-Unloading line.According to the request of technological process of the Load-Unloading line,the auto-control plan through PLC is established,the assignment of I/O ports is identified.Meanwhile,the basic ideal in the design and the working principal are expounded,the ladder diagram is given.
出处
《电工技术》
2003年第4期46-47,共2页
Electric Engineering
