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Node IDs containing slashes - by: Lars Otte

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Hello,

Currently we‘re adding a new device, which uses OPC UA and has a different naming scheme for the node IDs. The IDs contain forward slashes instead of dots, for example: “ns=1;s=/ObjectsFolder/DigitalInput/DI_02_DIValue”.

When we subscribe to a node, we get an error status code “Too Many Subscriptions”. But using UA Expert, subscribing to the node works fine and the server should not limit the number of subscriptions.

Is the slash a reserved character for QuickOPC, and does QuickOPC do anything special with it, which might cause the error status code?

Best regards,

Lars Otte

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