PLC系统信号的干扰与防范

Interference and Ant-interference of Signal of PLC System

简要分析了PLC控制系统在实际应用中可能受到的干扰类型。从软、硬件等方面提出了针对性的抗干扰措施，并强调了其在工业控制领域应用时必须全面、系统地考虑干扰的机理和抗干扰措施。

Based on a brief analysis of possible disturbance to PLC system ,the restraining measures are put forwards from the aspects of software and hardware, and the author stresses that the mechanism of disturbance and ant-interference measures must be considered systematically and comprehensively when they are applied in industrial control field.