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I have a C# source code for OPC server. The code is working and I connect successfully but I have one big problem, the data auto update does not work, in other words, I need to restart the server so it will take the new data from the data base.

The code has an attribute named "updatePiriod", initialaized to 60000 ms and still, no auto updates.

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获取数据更新不仅仅是连接到服务器。你有没有 1) 创建了一个组；2) 已创建项目；3) 激活物品；4) 订阅回调？

于 2012-05-10T15:20:54.953 回答