摘要
本文介绍了西门子S7-300的PLC利用以太网与上位机通讯,对现场各个执行机构进行远程控制。PLC采用一个主机架与3个扩展机架,上位机分为工程师站与操作站各一台。以及使用浙大中自SunyTeCh8.0为开发平台的监控软件。
This paper introduces how Siemens S7-300 PLC controls each field actuating mechanism in long-distance based on upper computer's Ethernet communication.PLC includes one main frame and three extension racks.The upper computer include one engineer station and one operator station.Also it contains Zhejiang University Center controlling company's SunyTech8.0 as the development platform's supervising software.