成都烟草物流公司仓储分拣 PLC 控制系统维护

摘要

A tobacco logistics company uses Siemens S7 -300,S7 -400 series PLC control system to com-plete the daily warehousing and sorting task.Once the system has a fault of electrical interference,system de-sign,component selection,installation and manufacturing process and so on,it needs to be repaired as soon as possible so that the system to work again.For the PLC control system fault and fault causes and effects, measures were taken to limit the expansion of the fault,and the fault to be eliminated promptly.Storage and sorting PLC control system used in tobacco logistics companies are huge,good inspection and maintenance work must be done to ensure safe and stable operation of the system.Good maintenance of the system can be in time to prevent the occurrence of system failure.When the system fails,the correct method is used to repair the fault.After the failure,the fault was summarized and continuous technological innovation was done so as to prevent similar failures.%成都烟草物流公司使用德国西门子公司 S7－300、S7－400系列的 PLC 控制系统来完成每天的仓储、分拣任务。一旦系统产生电气干扰、系统总体设计、元器件选择、安装及制造工艺等故障，需要尽快修复，使系统重新工作。针对 PLC 控制系统的故障及故障产生原因和影响，采取相应措施限制故障的扩大，并及时对故障加以排除。烟草物流公司使用的仓储分拣 PLC 控制系统庞大，必须要做好检查和维护工作，保障系统安全稳定运行。系统维护到位，能够在系统故障发生前进行及时地预防，在系统发生故障时，采用正确的方法进行故障修复，在故障发生后，对此类故障进行总结并不断进行技术改造，从而杜绝类似故障。