Define a "private" server, log data and export data - by: Peloso
Hi there, I'm a newbie in the OPC UA. I'm a mechanical engineer actually, but I'm down with my master thesis and I'm looking for a smart solution to some data manipulation. The goal is to take some...
View ArticleOPC XML-DA. Communication problem - by: Andriy
Hi, I can't communicate with OPC XML server. Can you help? I receive next error: OpcLabs.EasyOpcClassic E_FAIL Client found response content type of 'text/html; charset=utf-8', but expected 'text/xml'....
View ArticleOPC XML-DA. Communication problem - by: Andriy
Hi, I can't communicate with OPC XML server. Can you help? I receive next error: OpcLabs.EasyOpcClassic E_FAIL Client found response content type of 'text/html; charset=utf-8', but expected 'text/xml'....
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Subscription to events - by: federica
Hi, I'm using your SDK (QuickOPC 2018.1, in particular OPC-UA under COM with C++) since last year. Now I need to integrate my application with an OPC-UA server who is generating events that I must...
View ArticleError "Server failed", no reconnection - by: support
...from time to time, some of the systems connected via OPCLabs/Tunneller return errors, and one of them some times won’t reconnect. Typically this event occurs: EasyDAClient_ItemChanged Error:...
View ArticleKeep-Alive and inactive subscriptions - by: sjscheider
In our system, we have 3 subscriptions. The data on 1 of the subscriptions changes relatively often, at least every 5 minutes per device. (Typically it is every few seconds, but we've seen instances of...
View ArticleUnable to connect to Bihler machine using X509 certificate: strange error. -...
Hello, I am unable to connect to a Bihler CNC machine using X509 pfx certificate. As you can see in log file attached, the error is: The OPC-UA client session with connect sequence number 1 failed to...
View ArticleSlow Update To Listview (Large Amount Of Tags) - by: neilcooley
Hi I am wondering if you could tell me how to improve my code so I can read over 1000 elements into a listview in real time. The OP Server is Rockwell FactoryTalk Gateway. I then repeat this in a for...
View ArticleInstallation with LicensingException - by: SolutionNow
We have purchased a license and installed in numerous PCs without problem, until a couple of days ago when a colleague attempted to install the license on two different PCs but he encountered the same...
View Articlegetting null (was: OPC UA Syntax for Simatic.NET UA server) - by: Giuseppe12
I've to read data from Siemens Panel TP 900 Comfort with OPC UA. I've set UAEndpointDescriptor endpointDescriptor = "opc.tcp://192.168.107.12:4870"; After I've set var mapper = new UAClientMapper();...
View ArticleUnion Complex Data Type - by: kriskazmar
Will QuickOPC-UA .NET be able to decode the data for the following array of structures, where the structure contains a union complex data type? The OPC UA server address space will define the Event,...
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 ArticleSlow Update To Listview (Large Amount Of Tags) - by: neilcooley
Hi I am wondering if you could tell me how to improve my code so I can read over 1000 elements into a listview in real time. The OP Server is Rockwell FactoryTalk Gateway. I then repeat this in a for...
View Articlelicensing - by: giles
Hi my customers installation fails after two hours with "Run time is over the limit in license "Multipurpose". The license you have (most likely trial version) does not provide valid data after certain...
View ArticleSDK version upgrade is stoping and crashing application - by: Restrepo
Hello Z, I am working with a customer that is experiencing the following behavior:...
View ArticleError in Live Binding when closing WPF Application - by: treams-gmbh
Hi, I have implement a live binding in a WPF Application. The binding is working well but when I close the application i got the following error message: (QickOPC 2018.3) System.ArgumentException:...
View ArticleI can write to an OPC server but not read - by: mikeboiko
Hi, I'm not able to perform read/write operations to a Yokogawa ExaOPC. I downloaded the latest QuickOPC library (2019.1) for this test. Then, I opened EasyOpcNetDemo.exe to perform a test on...
View ArticleUsing PicoOPC in VB.NET project with Visual Studio 2010 - by: tangoristo
Hi, i want to use the PicoOPC library in my VB.NET project. I am using Visual Studio 2010. I've Installed Nuget and i've tried to install PicoOPC packet. I've received some errors with...
View ArticleError "Server failed", no reconnection - by: support
...from time to time, some of the systems connected via OPCLabs/Tunneller return errors, and one of them some times won’t reconnect. Typically this event occurs: EasyDAClient_ItemChanged Error:...
View Articlelicensing - by: giles
Hi my customers installation fails after two hours with "Run time is over the limit in license "Multipurpose". The license you have (most likely trial version) does not provide valid data after certain...
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