"BadCertificateUntrusted" exception when programmatically reading value with...
Hello Z, I been testing a sample application where I can read a Value from a OPC UA server(In this case is TOP Server) with an specific user name credentials, but it seems that when I try to read the...
View ArticleHow to get the source data type? - by: Boris
Hello. I will try to describe the problem with a simple example. Suppose on the OPC-UA server there is a variable with the data type Duration (DataType.Identifier = 290). I know that this data type is...
View ArticleLive Binding Global Changes - by: gkalipershad
Hello, I have been working with a customer who is working on a project, which includes 50 controls with Live Bindings. He has a need to change the endpoint descriptor on all of them. I was asked if...
View ArticleCould not load file or assembly 'OpcNetApi, Version=5.53.405.1 - by: usmanshahid
I have a console application that uses EasyOpcClassic version 2018.2 5.53.405.1 for fetching OPC Alarms. I also use Avro Ipc version 1.8.3 (0.9.0.0) to perform some RPC calls to another server. When...
View ArticleThe type 'NotNullAttribute' exists both in JetBrain and OPCLabs.BaseLib ... -...
Hello OPCLibs, I am trying to compile Free-trial of "QuickOPC 2018.3" to evaluate and facing an issue as below message : Compile Error Message : The type 'NotNullAttribute' exists in both...
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Property with a different name in the new release - by: federica
Hi, I'm using your SDK (QuickOPC 2018.1, in particular OPC-UA under COM with C++) since last year. Now I'm testing the new version QuickOPC 2018.3 and I noticed you changed the name of a property (from...
View Article"The requested OPC Data Access technology 'Com' is not supported" - by: jc831
Hello, I am trying to connect to a Kepware OPC server. I am using this snippet: The ReadItem call throws:NotSupportedException: The requested OPC Data Access technology 'Com' is not supported. Check...
View ArticleBrowsing tags in opcua - by: Sofian
Hello. I am using opclabs quick opcua version 5.23 for .NET C#. I need to find a way to programmatically browse through my plc nodes. I couldn’t find any documentation for that, do u have any example...
View ArticleDAConnectivity with QuickOPC-2018.3 - by: treams-gmbh
Hi, I used for testing the 2018.2 Version until I got the message that the total days are expired. After I downloaded and install the latest Version 2018.3 I can't implement the DAConnectivity from...
View ArticleIssues connecting to DeltaV servers. - by: MPick
We've been successfully using QuickOPC for a while now, but we have recently found that when we try to connect to one of Emersons DeltaV systems we are unable to do so. The error we get when attempting...
View ArticleInternal Error in QuickOPC - by: Captain_Dash
Hello, last week I Updated to the newest nuget package 5.54.453 Since that after establishing a connection we receive the following message: INTERNAL ERROR. The OPC-UA engine might be in an unstable...
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Problem with SOAP Response of XML-DA gateway: Can QuickOPC lib ignore quotes?...
Hi, My company evaluates some .NET standard compatible OPC XML-DA client libraries. While testing your OpcLabs.QuickOpc library we encountered a problem with our XML-DA Gateway server. QuickOPC throws...
View ArticleIssues connecting to DeltaV servers. - by: MPick
We've been successfully using QuickOPC for a while now, but we have recently found that when we try to connect to one of Emersons DeltaV systems we are unable to do so. The error we get when attempting...
View ArticleEasyUAClient event when all relevant subscribed values is updated - by: veda
I am currently evaluating your product to make an API for publishing OPC values over websockets. The OPC server I am connecting my client to is a Simatic NET server connecting to PLC's. The server...
View ArticleIssues connecting to DeltaV servers. - by: MPick
We've been successfully using QuickOPC for a while now, but we have recently found that when we try to connect to one of Emersons DeltaV systems we are unable to do so. The error we get when attempting...
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Problem with SOAP Response of XML-DA gateway: Can QuickOPC lib ignore quotes?...
Hi, My company evaluates some .NET standard compatible OPC XML-DA client libraries. While testing your OpcLabs.QuickOpc library we encountered a problem with our XML-DA Gateway server. QuickOPC throws...
View ArticleBadSessionClosed causes disconnect and reconnect of server when subscribing -...
Hi Currently reviewing your product. I have an application where I am connecting to several different OPC servers (with seperate instances of EasyUAClient). The application is running and retrieving...
View ArticleChange QuickOPC version used on development machine - by: federica
Hi, I'm facing the problem described in this topic which is causing me compatibility problems between new versions of my application and machines with old installations of the library:...
View ArticleCan we use the Tag Item browsing dialog to select more than one item? - by:...
Hi, Can we use the Tag Item browsing dialog to select more than one item? Should we set the following property to True before we call DaItemDialog1.ShowDialog()? DaItemDialog1.MultiSelect = True If...
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