早年间在济南钢厂焦炉四大机车自动化项目中，我们已通过 OPC 技术实现远程数据交互，借助 RSLink 服务器软件，基于 OPC DA 规范完成对罗克韦尔 Logix 5500 系列 PLC 的间接控制，这也是 OPC 技术在工业场景的典型早期应用。 回溯OPC的发展历程，1995 年Rockwell Automation ...

在了解OPC UA 协议之前，我们先了解一些它的前身OPC 协议，这样更有利于了解OPC UA 的本质和由来。 OPC 工业控制领域用到大量的现场设备，在OPC出现以前，软件开发商需要开发大量的驱动程序来连接这些设备。 即使硬件供应商在硬件上做了一些小小改动，应用 ...

Much of the recent focus of the OPC Unified Architecture team has been the completion and testing of the OPC UA communication stacks and SDKs in portable C/C++, .NET and Java. While these code ...

那么那些需要智能化改造的现有工厂，他们任然面临智能化整合的上诉困难，钡铼技术致力于解决这些困难，让设备和系统集成变得更容易，钡铼技术将工厂的老旧设备通过传感器技术或者通信技术将数据转成统一OPC UA，送到MES，ERP，SCADA，DCS等系统上，让数据 ...

Data mustn’t sit still. It is imperative that information can be exchanged within machines, between machines and from machines to systems where it is secure in order for researchers to read their data ...

The new version 1.01 includes support for the Historical Access feature in both the Client and Server Development Toolkit. This new feature enables access to historical data allowing, for example, the ...

The kind of communication necessary to support the “fourth industrial revolution” demands a protocol able to tie everything together. It’s here today. For some years now, people involved in ...