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System processing using OPC UA, communication method using OPC UA and load distribution device
System processing using OPC UA, communication method using OPC UA and load distribution device
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机译:系统处理使用OPC UA,使用OPC UA和负载分配设备的通信方法
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摘要
To solve a problem that an OPC UA client cannot communicate with an OPC UA server in a redundant server set.SOLUTION: A system 1 that performs processing using Open Platform Communications (OPC) Unified Architecture (UA) includes: a redundant server set including a first OPC UA server and a second OPC UA server; an OPC UA client that designates an endpoint Uniform Resource Locator (URL) to communicate with the redundant server set; and a load balancer (LB) connected between the redundant server set and the OPC UA client. The OPC UA client sends a request for connection to an endpoint URL. The first OPC UA server is an active server. The second OPC UA server is a standby server. The LB proxies connection to the first OPC UA server. The end point URL is different from a URL of each of the first OPC UA server and the second OPC UA server.SELECTED DRAWING: Figure 1
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机译:为了解决OPC UA客户端不能在冗余服务器集中与OPC UA Server通信的问题。 First OPC UA Server和第二OPC UA Server; 指定端点统一资源定位器(URL)的OPC UA客户端以与冗余服务器集通信; 和连接在冗余服务器集和OPC UA客户端之间的负载平衡器(LB)。 OPC UA客户端向端点URL发送连接请求。 第一个OPC UA Server是Active Server。 第二个OPC UA服务器是备用服务器。 LB代理连接到第一OPC UA服务器。 终点URL与第一OPC UA服务器和第二OPC UA Server中的每一个的URL不同。选择绘图:图1
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