Regarding OPC DA Connectivity from Ubuntu - by: aksenthil
Dear Team, Is it possible to establish OPC DA communication between ubuntu and windows OPC servers? I kept my OPC server ( Matrikon in windows) 2. is it possible to connect OPC DA Client, which needs...
View ArticleQuickOPC Source code - by: user_to_ask
Hi there! We are a company that develops apps using OPC components. What license should we buy to get a source code of your OPC components? We need a source code to get a certification for our app from...
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Error message "Das angegebene Netzwerkkennwort ist falsch" when trying to...
I'm testing my application in a Windows 10 VM under VirtualBox. It works without problems as long as I start the application with "Start as Admin". If I start it without this option I cannot connect to...
View ArticleImpossible to connect client UA to TOP SERVER in same network - by: I-Tecnology
Good morning, I am trying to read an item on plc Siemens S7 with OPC Server TOP Server UA interface and client quick opc 2016.2 5.41 with anonymous client. On top server endpoint have security "none"...
View ArticleHow do we access the EasyUAClient? - by: jestraub
We have a license to QuickOPC 5.31 and have been using the DA client. Now we would like to get rid of the DCOM issues and try to connect/use the UA client. Our product is in VB6. How do I download the...
View ArticleException in SDK action...
During evaluation of QuickOPC I always get this error. Something seems to be wrong with my certificate store or maybe it is because the computer is Azure-AD-joined. I already tried deleting all stored...
View ArticleEasyOpcUADemo Unable to Connect to KEPServerEX - by: gkalipershad
Z, I wanted to get your input on this customer situation. OPC Data Client V5.41.1036.1 Visual Studio 2019 .NET Framework 4.7.2 KEPServerEX is the OPC UA Server I first want to acknowledge that he is...
View ArticleCryptographicException when connecting to Opc UA server - by: Cavallari
CryptographicException when connecting to Opc UA server Dear support service, we’re experiencing problems in connecting to an Opc UA server through OpcLabs.QuickOpc 5.60.107. As soon as our application...
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Error message "Das angegebene Netzwerkkennwort ist falsch" when trying to...
I'm testing my application in a Windows 10 VM under VirtualBox. It works without problems as long as I start the application with "Start as Admin". If I start it without this option I cannot connect to...
View ArticleUA Authentication - by: m.baumgartner
Hello, We use QuickOPC in COM with Delphi. I try to connect to OPC server UA with authentication. With this code it works great :EasyUAClientConfiguration := TEasyUAClientConfiguration.Create(nil);...
View ArticleBadUserAccessDenied. Endpoint does not supported the user identity type...
Hi, I have the 2018.3 version. I use Delphi 10.3. I entered this code to put the user/password information. In SessionParameters: sessionParameters :=...
View ArticleUA Authentication - by: m.baumgartner
Hello, We use QuickOPC in COM with Delphi. I try to connect to OPC server UA with authentication. With this code it works great :EasyUAClientConfiguration := TEasyUAClientConfiguration.Create(nil);...
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How to connect to SPS Siemens S7 - by: Götz Heinemann
Hi there, I have to read variables from a Siemens S7, then act with them and write back the results to the SPS. I can connect via internet browser entering IP-Addr, then with login-name and password....
View ArticleOPC DA demo tool for long running tests on app that uses QuickOPC client...
Good day, We are using the QuickOPC in our application, and I wanted to find out if you have a OPC DA demo/trial server tool available that we can use to run some long running test on our application?...
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Error: Access is denied. + The client methods called (or event/callback...
Hi, I have a customer who is getting an error when trying to connect with a remote OPC DA server (Unicorn DA Server). Access is denied. + The client methods called (or event/callback invoked) Other...
View ArticleLive binding: reading okay, writing doesn't work - by: Kangni Liu
Hi I am trying to do livingbinding on a wpf application, with the 2021 OPC da. I have given all read&write&subscribe access to the variables and they can read and update correctly. However, I...
View ArticleLivemapping not working - by: alu
[DAType] public class Demo { [DANode, DAItem] public bool var1 { get; set; } } static void Main() { var mapper2 = new DAClientMapper(); var demo = new Demo(); mapper2.Map(demo, new DAMappingContext {...
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Bad Waiting For Initial Data - by: Šilhavý
Hello I have question about status of the value/server when value was not changed over some time. In this case when I want to get server status or even read the value, I get BadWaitingForInitialData:...
View Articlelive binding - by: alu
Is there a way to live binding a variable with a method so that the raw OPC data can be processed first and then shown on the application? Thanks.
View ArticleHow to increase Client update rate? - by: B351
If I call ReadPLC2 every 200 ms I get results like this gd200 36288 gd200 36007 gd200 36007 gd200 36007 gd200 36007 gd200 36277 gd200 36007 gd200 36007 gd200 36007 gd200 36007 gd200 36267 gd200 36007...
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