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06/11/2016
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Hey there,
I’ve written a small console-based client that has to monitor PLC values. As long as I only have a small number of MonitoredItems inside my subscription, everything works fine. But when I subscribe to all nodes of interest (approx. 2500 in the moment) I don’t get any Notifications on DataValueChanges anymore.
So is there any restriction in the number of MonitoredItems or am I missing some setting? It seems that the InitialValues are comming through in the beginning.
Greetings
Jan
There is no restriction from the specification.
Servers may have limits but in that case they have to reject the AddMonitoredItems call. Make sure that you check both service result and operational result codes for each added item.
If no error is returned and the server does not send notifications it is likely a bug on the server side.
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