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16950A

2019-9-4 16:13:58发布17次查看

16950a
 
 
1968年台modicon084 plc的诞生,让大规模的工业自动化生产成为了现实, plc在之后的日子里逐渐成为了工业自动化控制领域设备的核心,它的性能也随着工业行业的要求不断提高而提高。
现如今,经过了50年的磨砺的modicon系列plc已经成为了施耐德电气旗下工业控制领域的核心产品,并且着整个行业plc技术的发展。近年来推出的modicon m580 epac更是一款工控行业内中大型plc的代表产品,赢得了客户的广泛青睐。
安全、高可靠、高存储、网络化的设计
施耐德电气()工业事业部市场部总古月对iianews记者谈到,从modbus总线低数据传输时代,到当前的工业以太网高速数据传输的时代,配合着mes等大量新技术的应用,plc的高低端区分也从单位设备单纯的带点能力,扩展到了网络数据传输和信息安全的构建。对率、安全性、可靠性因素的重视,已成为各大厂商设计plc时重点考虑的要素。据施耐德电气高端自动化产品市场经理赵宁介绍,施耐德电气在打造modicon m580产品之初,就将安全和网络定义到了cpu的层级,为此施耐德电气与意法半导体合作开发,以arm架构为基础而定制的spear 1380 cpu,可以被理解为一种迎合当下时代需求的设计,该芯片具备modicon产品有史以来速数据网络传输性能,以及更低的能耗和的鲁棒性,为了能巩固数据传输的实时性,m580还特别加入了fpga协处理器让产品整体的性能得到了进一步的提升。
spear1380 cpu集成了以太网接口,可以连接多种以太网设备,直接处理以太网报文。安装cpu的背板集成了以太网交换机芯片,所有插在以太网背板上的通讯模块或者第三方的功能模块,可以在以太网背板上实现数据的高速传输,它能够与cpu或者直接跟上位系统做通讯,相当于一个智能化的“通信路由器”。
由于m580拥有更好的网络能力,所以必须打消用户在信息安全方面的顾虑。spear1380 定制芯片的好处就是可以将信息安全从原始的芯片做起,数据的拆包解包都做过特别的加密处理,因此能够确保信息安全由内到外整体的延续性。
此外,数据的存储能力的提高也是m580突出的特点之一,m580存储能力达到了64兆,对于单机或者冗余的具体控制来说完全够用,还支持外接存储卡,对于以前k级的存储空间有了跨越式的变化,同时采用了特殊的闪存设计,不需要额外电池的保护,在正常的温湿度环境下数据不会丢失。
新老系统更替,20分钟完成升级
客户的认可才是一款产品性能的诠释,施耐德电气modicon系列产品在技术上不断创新的同时,也为老用户的升级换代提供了非常便捷的途径和方法。例如,在莱芜钢铁设备的升级改造中,m580以便利操作获得了客户的一致认可。
莱芜钢铁建于1970年,是一家年产1200万吨的大型钢铁企业,但很多设备却依旧使用着施耐德电气90年代的产品,为了能够提升能效控制精度和安全性防护性,莱钢向施耐德电气发出了对老旧设备升级改造的需求和意愿。
据施耐德电气高端自动化产品市场经理赵宁介绍,在莱芜钢铁的升级改造中,m580 epac产品发挥了关键作用,帮助莱钢在保障设备稳定运行的前提下,、平稳地完成自控系统的升级。针对4号1080立方米高炉控制系统升级,施耐德电气预先进行了专家评估,对现有的控制程序和现场设备信息进行了深入细致的现场调研。与莱芜钢铁相关管理及技术人员紧密合作,提前完成程序的升级测试及控制器的安装、供电连接和网络接线后,现场仅用时20分钟便完成了系统迁移,经测试,新控制系统与原有io站在控、维护网络通信方面运行良好,且系统整体处理周期由50毫秒大幅缩短至2毫秒。
 
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