About HDA and A&E features within UA - by: sungade18
Dear Sir, I would like to know whether QuickOPC UA client toolkit supports Full HDA and A&E functionality along with data access. If yes, could you point out specific API examples ? I would...
View ArticleCompatibility problem with Windows 10 vers. 2004 - by: Grizzo
Hi, we area using EasyUAClient since 4 years without any problems on Windows 7 and Windows 10 machines (about 100). Some days ago we upgraded a Win10Pro machine with version 1909 to version 2004 and...
View ArticleOur .Net program crashes when the customer tries to browse for OPC servers or...
Hi, We have the following problem. Our customer in Malaysia is experiencing a crash each time he tries to browse for OPC Server or items. Our program is closing without an error message when the...
View ArticleReconnections attempts stops - by: sjscheider
Over the last 2 weeks, we've had a customer report what appears to be the same issue. A device was connected and running for weeks and then the device was shutdown for maintenance and was unavailable...
View ArticlePerformance question - by: Šilhavý
Hi. I have quite simple program with variable "client" for writing data on ua server and simultaneously this client is used to read data from UA server. Everything works fine. Program continuously...
View ArticleOur .Net program crashes when the customer tries to browse for OPC servers or...
Hi, We have the following problem. Our customer in Malaysia is experiencing a crash each time he tries to browse for OPC Server or items. Our program is closing without an error message when the...
View ArticleQuickOP Proffesional Licensing (ID 199932) - by: bvader
Hi, I am planning on buying QuickOPC Proffessional Single Developer license and would have some questions prior my purchase: - in our company we are developing VS apps, if we purchase Single developer...
View ArticleQuickOP Proffesional Licensing (ID 199932) - by: bvader
Hi, I am planning on buying QuickOPC Proffessional Single Developer license and would have some questions prior my purchase: - in our company we are developing VS apps, if we purchase Single developer...
View ArticleQuickOPC and SIMATIC NET - reading problems - by: bvader
Hi, we are testing QuickOPC UA Client with our application developed on .NET 3.1 platform. We have noticed that when using our application, which acts like an OPC UA Client, with SIMETIC NET OPC UA...
View ArticleOLE error code 0 - by: info@software2000.it
Dear sirs, We have a problem urgently enough to solve, I have already checked on the forum but I have not found anything that can help me. We use the COM part of your application through VisualFoxPro...
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Cannot connect to OPC UA Server - by: jkahlert
Hi, our OPC UA Client written in DELPHI works fine with different test servers from Softing and Unified Architecture but fails when trying to connect to an industrial server. A test client from...
View ArticleOPC UA client developed with 2019 version of QuickOPC crashes under 2020...
Hi, I developed an OPC UA client under the 2019 (trial) version of QuickOPC under DELPHI on a Win 7 PC which ran without problems. Now I had to change to the 2020 version of QuickOPC cause the 2019...
View ArticleOur .Net program crashes when the customer tries to browse for OPC servers or...
Hi, We have the following problem. Our customer in Malaysia is experiencing a crash each time he tries to browse for OPC Server or items. Our program is closing without an error message when the...
View ArticleQuickOPC and SIMATIC NET - reading problems - by: bvader
Hi, we are testing QuickOPC UA Client with our application developed on .NET 3.1 platform. We have noticed that when using our application, which acts like an OPC UA Client, with SIMETIC NET OPC UA...
View ArticleError when subscribing to A&E server - by: ScottEwine
I took a snippet of your code from the website and put it into a simple 'hello world' app to test it out. This is a console application with a .NET core 3.1 target using Visual Studio 2019. I am using...
View ArticleFactoryTalk Linx Gateway 6.11 COM Errors - by: jessebrown
Hello, We have an implementation using the latest FactoryTalk Linx Gateway on a Windows 10 machine. When using clients like Matrikon OPC Explorer, RS Linx, and OPC Quick Client we have no trouble...
View ArticleLicense purchase for older version of product - by: Cavallari
Good morning, we would like to purchase a QuickOPC Single Developer + Runtime Free License, but we are still using OpcLabs.QuickOpc version 5.56.1073 and we cannot upgrade to the latest version for...
View ArticleSingle Developer license as embedded resource - by: Cavallari
We have one question about QuickOPC license management: we would like to purchase a "Single Developer + Runtime Free License" for using the QuickOPC Standard in a .NET application that we are...
View ArticleWhen I compile the QuickOPCVBNetExamples project, I get an error - BC30661...
When I compile the QuickOPCVBNetExamples project, I get an error - BC30661 Field or property 'BrowsePath' is not found. Any idea why? Thank you. Michael
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VB.NET certificate management sample for OPC UA - by: micham
Do you have a sample project that shows how to manage the certificate for QuickOPC UA client? See the attached screen capture. Thank you. Michael
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