IS200SCTTG1A

发布时间:2022-07-29
IS200SCTTG1A

IS200SCTTG1A疑似模拟量输出板卡问题,用万用表测量4-20mA输出信号,信号是正常的!

2、开始怀疑是变频器控制信号输入端有了问题,换了一台同型号变频器,问题仍然如此。
3、用一台手持式信号发射器做4-20mA输出信号源,输出标准电流信号至变频器,这下变频器启动了,因而我们排除了模拟量输出板卡和变频器的故障。4、由此推测是变频器的干扰信号传导至模拟量通道所致。
IS200SCTTG1A5、为了验证,在PLC模拟量4-20mA输出通道中加装了一台信号隔离模块TA3012,TA3012的输入端子5、6接模拟量输出模块,输出端子1、2端子接变频器,3、4端子接外部24VDC供电电源,变频器正常启动了。

6、据此断定,问题的根源在于变频器干扰模拟量通道所致。

plc的发展历程1969年dec公司按照gm(美国通用汽车公司)的要求研制了上台plc并且在gm公司得到*的应用。此后公司使plc商品化。plc是设计出来用于同继电器产品竞争并逐步取代了传统的继电器。plc作为一种工业计算机,经历了以下几个发展的历程。 
自去年伊始,“元宇宙”已成为炙手可热的概念话题。近来,中央部委首提元宇宙概念,将致力于培育一批进军元宇宙、区块链、人工智能等新兴领域的创*企业。

元宇宙即构建一个独立且平行的虚拟世界, 他的意义和价值还在于与真实世界的交互连接,*终实现为真实世界赋能,提高人们的生活体验。而在工业领域, 元宇宙则与其关键技术 - “数字孪生”紧密联系在一起, 不局限于前辈“仿真与建模”, 数字孪生技术可让现实中的海量信息通过软件通道源源不断地涌入模型,构建现实的“镜像世界”。 一直以来,威图都是“数字孪生”技术的者与倡导者,威图与Eplan 构建全价值链解决方案,实现从软件到硬件的无缝衔接。传统的流程中,为保证制造阶段的准确性,通常采用创建物理样机的方式进行仿真与测试。随着计算机技术的不断发展,虚拟样机(数字孪生)由于其高效性与低成本性,逐渐取代物理样机。然而创建数字孪生体(虚拟样机),用户需要经过验证的产品数据,现实情况却往往不容乐观。若用户独立设计,过程中将涉及不同的厂家、的元器件,一般的电气设计软件系统庞杂,数据无关联性,对用户建模设计产生不小阻力。



Eplan Data Portal在线数据平台,与*的元器件制造商建立了长久合作关系,包含全球300多家,100万条高质量元器件设计数据,让用户得以通过拖拉拽的方式,实现快速数据调用。与此同时,机械工程设计数据,则可以从威图产品社区平台处获取。威图与Eplan在设计阶段的数据融合,使得用户能在虚拟样机中创建机柜的全数字化描述,包括:产品信息、商业数据以及eClass信息等,高效赋能,实现降本增效。 
万物互联的时代,谁愿做一座孤岛?

然而,威图的全价值链解决方案,远不止于此。通常情况,从用户拿到电控柜的项目之初到交付阶段,会经历四个阶段, 即:工程设计-->原材料采购-->生产制造-->交付后的现场调试及运营管理。 威图与Eplan的全价值链解决方案,将完整覆盖电控柜项目的全生命周期,让每一个流程的数据传输不再是一座孤岛。
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