SLC500系列I/O模块故障导致错误诊断信息的分析

The Analysis of SLC500 Series I/O Module Fault Caused the Error Diagnostic

讲述了武汉卷烟厂干冰十七段的SLC500系列PLC控制器在运行中途出现CPU故障停机的具体情况分析,通过维护人员测试、验证,最后得出结论是由于故障的I/O模块影响了CPU与背板之间的通讯,从而导致CPU产生错误诊断信息。通过分析的过程,提高了设备人员对该系列控制器的认识,并整合出了一套针对该系列控制器CPU故障停机的排查方法。

This article mainly analyzes that when the SLC500 series PLC controller operating on the seventeen paragraph of the dry ice area in Wuhan cigarette factory broke CPU down, as well as the maintainer through the test, experiment, detecting step by step, concluded the result that is a failure of I/O modules will affect the communication between CPU and the backboard, and then caused the CPU generating error diagnostic information. Throughout the analysis of the process to improve the understanding of the of troubleshooting methods when the controller CPU down. maintainers of the series controller, and then sums up a set