摘要
介绍了基于西门子S7-000PLC控制系统的数字滤波方法。通过对输入信号滤波程序设计的探讨,阐述软件设计中如何消除干扰信号的影响,提高PLC控制系统的可靠性。
In this paper, digital filtering methods used in Siemens S7-200 series PLC control system are introduced. Elimination of the influence of interference to improve the reliability of PLC control system in software design is also discussed.
出处
《自动化技术与应用》
2007年第12期70-72,共3页
Techniques of Automation and Applications
关键词
PLC
干扰
数字滤波
PLC
interference
digital filtering