OpcLabs.EasyOpc.UA.Engine.UAEngineException - OPC UA service result - {Bad} -...
Hi, Our customer is having a problem when trying to browse the KepServerEX via OPC UA connectivity. See the log below. Can you please explain this error and what may cause this error? Thank you....
View ArticleShould we include the Opc.Ua.CertificateGenerator.exe file in our setup? -...
Hi, Should we include the Opc.Ua.CertificateGenerator.exe file in the same folder where our EXE file is? If yes, should we include other file that can be found in C:\Program Files (x86)\OPC Labs...
View ArticleBrowse Exception when connecting remotely to the UA server - by: micham
Hi, We are able to connect to the KepServerEX locally. When we try to connect remotely to the same OPC UA server we get this error. Any idea why we are able to connect locally but not remotely? Can you...
View ArticleTest Server - by: lamar
Hi, is your test server available as separate installer? It would be usful for pre-deploy testing apps, where ony production components are installed. Thanks
View ArticleCertificate error while reading value from OPC UA server - by: Dev_Opc
Hello, We are trying to read the PLC tag value from OPC UA server (FTLinx Gateway) with QuickOPC Professional. So, we have installed QuickOPC trial version & FT Linx gateway on same machine. As per...
View ArticleProcess Memory increasing after creating EasyUAClient instance - by: zaglerp
Hello, we are experiencing an increasing memory usage of a process that uses QuickOPC and performs continous logging. I have enclosed a sample program which creates an instance of EasyUaClient and...
View ArticleRunTimeLimit For Licensed Product Is Finite - by: Bishop
My team and I are in the final stages of deploying our application and have noticed that our RunTimeLimit for our product (QuickOPC Ultimate, Single Developer + Runtime Free License, With 3 Years...
View ArticleMost Efficient Way To Manage A Large Number Of OPC Items - by: Bishop
My team and I are in the process of optimizing the way in which our application subscribes to OPC items. We store metadata for N tags and read that data into our application on startup. We then...
View ArticleClik here to view.
High Memory Usage From OPCLabs During Runtime - by: Bishop
My team and I have noticed that after subscribing to 50000 OPC DA Items our memory grows to approximately 2.7 GB and hovers there for the duration of the applications lifecycle. A memory profiling tool...
View ArticleHow to use PercentDeadband - by: goosvanbeek
Hello support, I'm trying to implement PercentDeadband as described in this example , but it doesn't seem to work. I don't see any difference in deadband between the percentages, even if I change it to...
View ArticleCertificate Error - by: Enrico
Hi, we are using the QuickOPC Stack in LabVIEW. For one of the clients the connections fails. I have checked with the Connectivity Explorer, and get an error message (see attached sreenshot), which...
View ArticleEasyUAClient write UARange and UAEUInformation - by: Nick
Dear Mr/Mrs, we use the OPC Labs QuickOPC 2019.1. We want to write Structures like UARange and UAEUInformation with the EasyUAClient, but it does not work. I tried to set the value direct and get the...
View Articlequickopc-da to quickopc-ua conversion - by: spaxman
I am new to opc-ua... I have been using the Easydaclient for about 2 years with good success. We now are migrating to a new OPC server (Ignition) that only supports opc-ua. I have modified my code...
View Article‘Access denied’ + The client method called was 'BrowseProperties'. - by:...
Hello Z, I am currently working with a customer that is encountering an Error whenever trying to connect to WinCC OPC DA server. Basically, in his code, he is subscribing to multiple tags but the...
View ArticleNew Developer, Old License - How to get running in new environment - by:...
Hi- We think we have a license 1954229880, but we aren't sure. What kind of license is this? The developer who was using it died suddenly and left us very little documentation. We're trying to run the...
View ArticleOPC UA - the certificate window is displayed each time I start browsing - by:...
Hi, Each time I connect to the OPC UA server for Browsing I get the certificate window and need to click on Yes. How can I approve the certificate and have it displayed only once? Thank you. Michael
View ArticleNew Developer, Old License - How to get running in new environment - by:...
Hi- We think we have a license 1954229880, but we aren't sure. What kind of license is this? The developer who was using it died suddenly and left us very little documentation. We're trying to run the...
View ArticleProcess Memory increasing after creating EasyUAClient instance - by: zaglerp
Hello, we are experiencing an increasing memory usage of a process that uses QuickOPC and performs continous logging. I have enclosed a sample program which creates an instance of EasyUaClient and...
View ArticleOPC DA - Error when browsing for items - "Invalid class" - by: micham
Hi, I am getting this error message when browsing for OPC DA items. The OPC server is Intellution OPC Gateway. Any idea what may cause this error? Thank you. Michael
View ArticleEasyDaClient Isolated Property Inquiry - by: jgonzalez
Hello Support, I would like to get your input regarding the Isolated Client and Subscriber Property. We have tested with latest release of Data Client. We have configure 2 EasyDaClient Objects and have...
View Article