System.IO.IOException instantiating EasyUAClient - by: sw34
Running on WSL linux using .net6 and Quick OPC 5.71 I created the demo as described in opclabs.doc-that.com/files/onlinedocs/QuickOpc/Latest/User's...%20Visual%20Studio%20Code.html Get this error when...
View ArticleUAAttributeData ValueType.Name - by: falseSeige
Hello, I am using OPCLabs.QuickOPC (5.62.456) in .NET to read several tags via UA and accessing the UAAttributeData for the Value, DisplayValue, and ValueType.Name. I'm reading tags of Data Types...
View ArticleValue Type Name seems to be not correct ? - by: Gunter
Read value with OpcCmd: uaclient read opc.tcp://192.168.10.2:4840/Objects "ns=2;i=1001" Reading... Result (value): 608 {Int64} @2023-08-16T14:05:29.586 @@2023-08-16T14:05:29.586; Good...
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Client cannot install license - cannot select component - by: ScottEwine
I have created a visual studio .net console app for a customer, and they are having trouble licensing it. They cannot select a component to license. What do they need to do for this to be selectable? I...
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EasyOpcUAPubSubDemo Ver. 5.59.0.4 - by: Gunter
I want to tryout UADP message over Ethernet transport. For this I use your OPCUA Demo Publisher in Interactive mode. This seems to be working because i can see the Messages in wireshark on the...
View ArticleAll buttons grayed out with License Manager - by: aris
I got evaluation license key and was told to to download the License Manager. I did downloaded it, but hen I launched it all buttons are grayed out and the dropped down list is empty (see image...
View ArticleLicensingManagement cannot find resource though it exists - by: aris
I'm trying to apply evaluation key but I get the error below. I've verified and the resource exist - you can see in the image during debug that the resource is found. But, QuickOpc fails to register...
View ArticleMapping stringIdentifier of kepware to nodeId - by: randhawa
Here is the string " 2:Simulation Examples/2:Functions/2:User1" that I need to map to correct node Id and subscribe to changes for that node Id
View ArticleAPI not returning value for reading UAAttributeId.ArrayDimensions - by:...
When you try to read array size of tags, the API returns only bad status. we are migrating the app from OPC UA Foundation library to OPC Labs, the same server and credentials, we can retrieve the array...
View ArticleNuget - Loading NetStandard on Top of NetFramework - Versioning - by: bartlynn
When I was helping a coworker, I noticed when we loaded the default C# netFramework 4.8 template, and brought in the latest 5.71.334 OpcLabs.QuickOpc, there were a lot of Net Core nugets loaded too. It...
View ArticlePermanent license recognized as Evaluation license - by: aris
I applied permanent license for OpcLabs 5.63 with the code below But, it still recognize it as Evaluation since I get again the error below FYI, When I first built my project in Debug mode and checked...
View ArticleCould not create a certificate via a proxy: Input file was not processed...
I'm very confusing, I can't understand. We're moving a working Window Service that use OPC-UA to a new server (windows 2022) We're using QuickOPC version 2016.2 (5.41.1274.1) We receive the error in...
View ArticleGuidance Needed on Connecting to OPC Server with SecurityPolicy using...
Hello. Could you please guide me on how to connect to or read from an OPC UA server with a securityPolicy(ex:Basic256Sha256) applied? Specifically, I'd appreciate it if you could explain how to...
View ArticleMapping stringIdentifier of kepware to nodeId - by: randhawa
Here is the string " 2:Simulation Examples/2:Functions/2:User1" that I need to map to correct node Id and subscribe to changes for that node Id
View ArticleHow to force a disconnect an EasyDAClient in a Visual Basic 6 application -...
Good afternoon, I like to force an OPC server disconnect in a Visual Basic 6 application using the EasyDaClient. After the disconnect I like to connect again. Can you please advise how to do that. I am...
View ArticleError writing Complex data in OPC UA with 5.71 - by: Gardoni
In writing multiple items we get an exception "endpointDescriptor" cannot be null. But, as from picture, EndpointDescriptor inside WriteArgs is correct. So, reading is working but we have this...
View ArticleErrorId OpcLabs.UAEngine=6411 - by: xpycy001
There is a serious problem in the project production environment, opcUA report 6411 error code, detailed information is at the end. 6411 error, does it affect the write performance of tag values， How...
View ArticleWriteMultipleValues() used 18161ms or more - by: xpycy001
Dear support: There are serious issues with the project production environment, OpcUaClient. WriteMultipleValues() used 18161ms or more . This type of timeout issue has seriously affected production. I...
View ArticleHow do I set the Security Policy when connecting to an OPC UA server? - by:...
Hi, Few questions: 1. How do I set the Security Policy when connecting to an OPC UA server? See the attached screen capture. 2. Where is the server's certificate stored? 3. If the certificate is...
View ArticleHow do I set the Security Policy when connecting to an OPC UA server? - by:...
Hi, Few questions: 1. How do I set the Security Policy when connecting to an OPC UA server? See the attached screen capture. 2. Where is the server's certificate stored? 3. If the certificate is...
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