Browsing Exception - by: Scattolaro
When I try to browsing the dato from the OPC-UA Server whit the code below: UANodeElementCollection uaElColl = clientOPCUA.BrowseObjects(_devModel.UAEndpointDesc,UAObjectIds.Server); I received this...
View ArticleDCOM raise activation authentication level - by: ToSi
Hello OPC Labs, I have a problem with connecting my OPC-Client (and others like Matrikon OPC Explorer) to a remote server. The server I am trying to connect to is a Siemens WinCC. I already managed to...
View ArticleApplication crash in OPC code - by: spicerno
Hello, after upgrading the quick opc version to Quick OPC 2022.1 (5.63.121) we're experiencing a crash when interacting with an OPC DA server. we were successfully using a really old version of...
View ArticleReading a OPC Structure in s7 1500 with VB.net - by: GusoXXL
Hello guys, im doing a code to read data from my OPC-UA server in the s7 1500. The problems is not subscribing to a variable, the problem is subscribing to an structure of variables in the OPC-Server....
View ArticleApplication crash in OPC code - by: spicerno
Hello, after upgrading the quick opc version to Quick OPC 2022.1 (5.63.121) we're experiencing a crash when interacting with an OPC DA server. we were successfully using a really old version of...
View ArticleBadNonceInvalid error connecting to multiple OPC-UA Servers - by: spicerno
Hello, we're using the latest quickopc binary from .net framework 4.7.x. Our application is running in a windows service, and is connecting to TWO distinct OPCUA servers, each one using a different...
View Article'Advanced polled refresh' approach is broken for XML-DA - by: Andriy
Hello, It turns out that property EasyDAAdaptableParameters.UseAdvancedPolledRefresh is ignored in QuickOpc 5.62.1032 After investigation, I find out that this settings works fine in QuickOpc 5.58.451...
View ArticleOPCDA: Class not registered Exception - by: spicerno
Hello, We have an application that reads data from server using QuickOPC version 5.54.1151.1. After updating to version 5.63.215 we no longer read data, the error is: An OPC operation failure with...
View ArticleTrial License in build despite License Manager Activation - by: FAnsariCMC
Hello, We recently purchased a license for QuickOPC Single Developer + Runtime Free License, With 5 Years Upgrade Assurance. I tried following the steps outlined in your User Guide and activated the...
View ArticleLicense works in Debug, but not when bundeled in an installer - by:...
I embedded the license in my code, and when I check the license in Debug mode, it gives me the same serial number I get in the License Manager. Above the 1111110000-1111119999 range, and everything...
View ArticleLicense works in Debug, but not when bundeled in an installer - by:...
I embedded the license in my code, and when I check the license in Debug mode, it gives me the same serial number I get in the License Manager. Above the 1111110000-1111119999 range, and everything...
View ArticleBadCertificateUntrusted - by: CJiwan
Hi, With the following code : I obtaine the folowing error : Description: OPC UA service result - {BadCertificateUntrusted}. The certificate is not trusted. --> {BadCertificateUntrusted}. Self...
View ArticleCould not load file or assembly - by: saratalley
I have a .NET core application in VS 2022 that will run as a service, I'm currently debugging in the console. I get this exception when trying to run: Exception thrown:...
View ArticleServerTimeStamp - by: CJiwan
Hi, In a PHP project I try to convert the ServerTimestamp (obtained in the AttributeData of the result of a reading or subscription) to the DataTime format to be able to store it in a MySQL DB. Can you...
View ArticleOpcLabs.BaseLib.Browsing.BrowseException - exception while browsing - by: micham
Hi, We got this exception while trying to connect to a local OPC Server (Matrikon OPC DA Tunneller). See below. When connecting with Matrikon OPC Explorer, browsing is possible and there is no error...
View ArticleStandalone Installer - by: FAnsariCMC
Hello, We recently incorporated EasyDA into our product and were looking at alternatives for an OPC Explorer client app for diagnostic uses. The Connectivity explorer seems to fit our needs. However,...
View ArticleVarious questions regarding Subscription - by: henning_wo
Hi, we have some questions regarding your OPC-UA implementation (C# NuGet package "OpcLabs.QuickOpc" Version="5.63.162"). We are using client server...
View ArticleOpcLabs.BaseLib.Browsing.BrowseException - exception while browsing - by: micham
Hi, We got this exception while trying to connect to a local OPC Server (Matrikon OPC DA Tunneller). See below. When connecting with Matrikon OPC Explorer, browsing is possible and there is no error...
View ArticleOPCDA: Class not registered Exception - by: spicerno
Hello, We have an application that reads data from server using QuickOPC version 5.54.1151.1. After updating to version 5.63.215 we no longer read data, the error is: An OPC operation failure with...
View Article2022 Microsoft Windows DCOM Security Update - Effect on OPC Classic Clients?...
Hi, Will this Microsoft update has any effect on Quick OPC? Does Quick OPC uses CoInitializeSecurity? See the attached document. Thank you. Michael
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