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More than a quarter of a century has gone by in the meantime, and inray has more than 60 loyal employees and is growing rapidly. This triumphant advance of digitisation in production has been the central theme at inray from the very beginning. Many a customer had a cheerful twinkle in their eye as the production process “became transparent”. Standard products were developed, which took advantage of the extensive communication possibilities of OPC and thereby distributed information from the production line to the entire company. This naturally played out to the advantage of inray and the steep success story took its course. OPC defines a standardised means of accessing controllers and machines. The OPC Foundation was also launched in the mid-nineties, aiming to create the worldwide communication standard. In 1999, Sören Rose, who has been managing director for many years now, joined the company and the search for uniform ways to simplify and standardise industrial data communications began.
KEPSERVEREX STOPS WORKING AFTER AN HOUR SOFTWARE
After many successful individual programs for plant communication, it soon became clear that individual software was not the ultimate solution to the lack of digitisation seen in industry. The spirit of the times called for connectivity and data communication in industry, thereby pointing out the path to success. When Manfred Radtke founded inray Industriesoftware GmbH in 1995, electronic and computer development were well on their way. Is it possible to do asynchronous read/write operations on the UA client (like on the. While exploring all these possible ways of breaking stuff can be fun and useful, I like to go back to my original question. Warning: 0 : * Transformed from: An exception of type 'Opc.Ua.ServiceResultException' from source 'Opc.Ua.Core' has occurred in OPC-UA SDK action 'Discover圜lient.GetEndpoints'. " A first chance exception of type 'Opc.Ua.ServiceResultException' occurred in Opc.Ua.Core.dll If you push the number off instances a bit further then a additional exception occurs: The subscriptions will also fail to recover from there " The OPC-UA subscription publishing has stopped." exception (or it takes way longer). The synchronous read will produce a: " A first chance exception of type 'Opc.Ua.ServiceResultException' occurred in Opc.Ua.Core.dll" exception.The subscriptions will still get the: " The OPC-UA subscription publishing has stopped." exception.Isolated makes the behavior even less predictable: (System needs to run on a (properly) busy server on a ship.) So if this fixes my problems on my low ping, idling server on my development machine, it will for sure fail in an off-shore environment. But I have been messing around with the the parameters of the keep-alive and the reconnection speed, but these settings are very environment depended. Please Log in or Create an account to join the conversation. We are trying to make the situation a little better - there is a discussion about it in the documentation - but the conclusion still holds, breakpoints won't work well with keep-alive. The principle of the OPC UA keep-alive mechanism cannot coexist with pausing the client program for extended periods of time. You can launch the configurator by double clicking the icon. You can observe that the runtime has stopped in the configurator. Right click the Administration icon select stop runtime. The Administration appears as a small icon on the system tray. Note: I assume that you are not debugging the problems using breakpoints - because, it is not possible. Steps: Launch the Kepware administrator if you haven’t.
KEPSERVEREX STOPS WORKING AFTER AN HOUR CODE
I would be highly interested in seeing the call stack from the exception "The number of WaitHandles must be less than or equal to 64." - can you provide it if you see it again please? The reason for it as that we are well aware of the "64" limitation, and we have code to overcome this limitation - but it looks like you have encountered a situation where it can still happen.
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The OPC UA sample server comes from OPC Foundation. The "BadTooManySubscriptions" does not mean that the server is broken, it just means that you have reached its limitations.
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No, the EasyUAClient does not support asynchronous read and writes in this way.įor "A first chance exception of type 'Opc.Ua.ServiceResultException' occurred in Opc.Ua.Core.dll", the details are missing from your report - the actual service result that indicates the problem would help.