西门子S5系列PLC为小型可编程的控制器,多年来备受青睐,并得到了广泛的使用。去常见的故障由多种因素影响而引发。采取适当的故障分析及检测方法才能更有效、更经济的排除故障。本文针对该控制器经常出现的故障及合理的排除方法进行了分析及介绍。 Siemens S5 series PLCs are small, programmable controllers that have gained popularity over the years and are widely used. To a common fault triggered by many factors. Take appropriate fault analysis and detection methods to be more effective and more economical troubleshooting. In this paper, the controller often appear in the fault and reasonable troubleshooting methods were analyzed and introduced.