摘要
指出继电器电路进行PLC技术改造的必要性,并详细描述了由继电器控制电路图设计梯形图的基本方法、步骤和注意事项。
The necessity of rebuilding relay based circuits with PLC is presented and the basic methods steps, and notices of designing a ladder diagram through relay control circuit are also in detail described.
出处
《电气传动自动化》
2007年第6期51-53,共3页
Electric Drive Automation