With the kinds of PLC and AC inverter connection, more and more AC inverter PLC control systems are occurring.
通过多种多样的PLC控制变频器的方法，构成了不同类型的变频PLC控制系统。
With the extensive use of PLC in the automatic control systems in petrochemical industry, correct selection of PLC in the actual work is of great important.
随着可编程控制器在石油化工自动化控制中的应用越来越广泛，PLC的正确选型在实际工作中显得非常重要。
Constructs 28 nodal casting production line control systems of integrated PLC and intellectual instrument on the basis of RS485 network technology.
基于RS485网络技术构筑28个节点的集成plc和智能仪器的铸造生产线控制系统。
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