Dataquality of 32 - by: bussellk
I'm getting a random data quality from the toolkit of 32. When a demand scan is issued from the OPC server, the data quality goes back to normal (192), then sometimes goes back to a 32. The opc server...
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Unauthorized Access Exception Browsing Endpoint Application Pool Identity -...
I have an app that allows you to browse endpoints. When Application Pool Identity (iis) is set to ApplicationPoolIdentitiy, and I attempt to browse an endpoint, I receive an error File Attachment:File...
View ArticleUpgrading a Project with Live Binding - by: gkalipershad
Hello, I am working with a customer who has a project compiled with version 5.40 of the toolkit. He is trying to upgrade to 5.54 and is having some issues. In my own testing, I am running into similar...
View ArticleOPC-UA service result - Could not create a certificate via a proxy - by:...
Hi, I am facing some problems with creating the certificate for an Excel Application which should be used on several PC's. I was trying to set the ApplicationName as described on your documentation...
View ArticleEasyUAClient.Install - by: Runner
Good morning, we would like to use static method EasyUAClient.Install for certificate generation. We noticed, that one EasyUAClient.Install call generates two different certificate files in certificate...
View ArticleCreating client cert with customized start and end dates - by: sjscheider
Is it possible to create a cert with a specific start and end date? If yes, how? If no, can you recommend any C# code to do so? I've tried but the cert is not being expected on the server and I'm not...
View ArticleSubscription stopped firing events - by: sjscheider
Over the last couple weeks, we've noticed that some devices stop communicating with our client code. When we've dug into the issue further, we've noticed that the device still indicates that is...
View ArticleFile copy deployment without setup or installation - by: fancybird
Hi ... is it possible to copy and paste all the dependencies and not have to run the installation on the target machines? I want to do "file copy" deployment. Just copy one folder. Paste it onto the...
View ArticlePublishing has halted on the client session - by: sjscheider
In my EasyUaClient.DataChangeNotification event handler, one of the first things I do is check if e.Exception is null. Since adding this code, I've noticed the following exception being reported:...
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EasyDAClient Unable to browse branches on a remote OPC DA (Using Cogent...
Hi there, I am trying to browse and subscribe to variables exposed on a remote TopServer by using a trial Cogent DataHub Proxy. I can actually browse the remote server locally by using the Connectivity...
View ArticleBest practice for detecting the cert needs to be trusted on the server - by:...
Can you please recommend the best practice for determining that the client cert needs to be trusted on the server? Currently we are inspecting the exception which is thrown when the initially try to...
View ArticleError FileNotFound - by: chrisachern
Hello, i have an old system with windows server 2003. Now i want to read some values of an INAT OPC DA server. When i start the application, i get an error (see attachment).Where can i find the missing...
View ArticleSDK version upgrade is stoping and crashing application - by: Restrepo
Hello Z, I am working with a customer that is experiencing the following behavior:...
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WinForms app crashing with OpcBrowseControl - by: SZL
Hello, I have big problem with the OpcBrowserControl control. After I place it on my form and I execute my app and after I try open an OpenFileDialog control, the CPU usage increasing to 100% and my...
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Subscription to events - by: federica
Hi, I'm using your SDK (QuickOPC 2018.1, in particular OPC-UA under COM with C++) since last year. Now I need to integrate my application with an OPC-UA server who is generating events that I must...
View ArticleSubscription stopped firing events - by: sjscheider
Over the last couple weeks, we've noticed that some devices stop communicating with our client code. When we've dug into the issue further, we've noticed that the device still indicates that is...
View ArticleGetting 'Read not completed' and 'Write not completed' errors while trying to...
Hi, I'm trying to read and write to a Softing S7 server running on localhost, but getting errors. I'm using OpcLabs.EasyOpc.DataAccess.EasyDAClient via the win32com client for Python. I've installed on...
View ArticleGetting 'Read not completed' and 'Write not completed' errors while trying to...
Hi, I'm trying to read and write to a Softing S7 server running on localhost, but getting errors. I'm using OpcLabs.EasyOpc.DataAccess.EasyDAClient via the win32com client for Python. I've installed on...
View ArticlePlease confirm us about your tools can support connect with BIS system - by:...
I try to use OPCLabs connect with BIS System of Bosch and I can see a list of items from BIS system but I can not re-write your code to try get property value So please confirm that 1. Can I use this...
View ArticleCan QuickOPC-UA be used to retrieved historical data using the HA...
We require data access and historical data access for our tools. I haven't seen any documentation on your website refering to HA. Please confirm whether we can use QuickOPC-UA for HA? If not, are there...
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