消除PLC系统在现场应用时受干扰的措施

PLC System Applied in Industry Locale Against the Interferences

针对PLC系统现场应用时因干扰而发生故障的现象,分析了PLC系统现场应用时的常见的干扰来源和干扰的途径,提出了消除或减少干扰的办法和保证PLC系统稳定运行的对策。

In allusion to the failures of PLC system applied in industry locale, the sources of interferences and routes of interference to PLC system are analyzed. The countermeasures against interferences, such as eliminating or decreasing the sources of interferences, reasonable grounding, eliminating space radiation, ete, , are pointed out to ensure the PLC systems run stably.