C#-通过OpcUA监控设备

最新推荐文章于 2025-02-24 14:50:45 发布

guo1wu3shi4

最新推荐文章于 2025-02-24 14:50:45 发布

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本文链接：https://blog.youkuaiyun.com/guo1wu3shi4/article/details/106209969

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本文详细介绍了使用C#通过OPCUA协议监控设备的步骤，包括创建应用配置、证书处理，以及如何浏览、读取节点数据。同时，提到了订阅数据并处理变化的数据以实现显示。此外，推荐了OPC Watch作为OPCUA客户端工具，以及KepServerEx用于获取设备信息的OPCUA服务器。

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步骤1：创建OPCUA应用配置（包含证书）

 var config = new Opc.Ua.ApplicationConfiguration()
            {
   
                ApplicationName = "MyHomework",
                ApplicationUri = Utils.Format(@"urn:{0}:MyHomework", System.Net.Dns.GetHostName()),
                ApplicationType = ApplicationType.Client,
                SecurityConfiguration = new SecurityConfiguration
                {
   
                    ApplicationCertificate = new CertificateIdentifier {
    StoreType = @"Directory", StorePath = @"%CommonApplicationData%\OPC Foundation\CertificateStores\MachineDefault", SubjectName = Utils.Format(@"CN={0}, DC={1}", "MyHomework", System.Net.Dns.GetHostName()) },
                    TrustedIssuerCertificates = new CertificateTrustList {
    StoreType = @"Directory", StorePath = @"%CommonApplicationData%\OPC Foundation\CertificateStores\UA Certificate Authorities" },
                    TrustedPeerCertificates = new CertificateTrustList {
    StoreType = @"Directory", StorePath = @"%CommonApplicationData%\OPC Foundation\CertificateStores\UA Applications" },
                    RejectedCertificateStore = new CertificateTrustList {
    StoreType = @"Directory", StorePath = @"%CommonApplicationData%\OPC Foundation\CertificateStores\RejectedCertificates" },
                    AutoAcceptUntrustedCertificates = true,
                    AddAppCertToTrustedStore

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