Build errors in Visual Studio 2017 Setup & Deployment - by: jgreg311
I've just started to get build errors when building my Setup & Deployment project in Visual Studio 2017. It used to build just fine. I've upgraded to 5.53 (QuickOPC 2018.2), and I'm guessing...
View ArticlePHP COM System cannot found file - by: igr
Im Installed under Win10 QuickOPC-2018.2-Full and php-7.2.11-nts-Win32-VC15-x64. Im tested the COM with ReadAndDisplayValue.php example and get on line: "$Client = new...
View ArticleNotification - OPC-UA Server Instance Certificate Not Validated - by: p-toth
Hi, I'm new user. Could you help me someone, why UADataDialog display notification with not validate certificate if I want to display item on server: Best reagrds.
View ArticleRead tag values from WCF Service - by: SZL
Hello, We develop a Windows Service hosted WCF Service that read tag values from OPC server in every minute. Unfortunately, it's not working, the client throws an exception after 1 minute: The request...
View ArticleApplication Disconnects and Reconnects on Remote Connections - by: gkalipershad
Hey Z, I have a customer with the following system: Windows 7/32bit Visual Studio 2017 Professional Version 11.0.61219.00 Update 5 Software Toolbox OPC Data Client 2018.3 Target Framework 4.6.2 He has...
View ArticleVB6 - by: support
From: OPC Labs Contact Form - M. Sent: Thursday, November 15, 2018 4:31 PM To: Z. Subject: OPC Labs Contact Form - QuickOPC and vb6 [...] Good morning, We have a plan to use QuickOPC to connect client...
View ArticleRecursive function for finding datanodes, not returning all datanodes - by:...
Hello, I am trying to create a function that will discover all of the available datanodes on an OPC server and document what is in them. The problem I am having is that most of the OPC nodes are not...
View ArticleLicense install - runtime or development? - by: support
From: L. Sent: Wednesday, November 28, 2018 4:46 PM To: Z. Subject: Re: OPC Labs Contact Form - Quick OPC UA Afternoon Zbynek, My company has purchased quick OPC professional single developer. I have...
View ArticleOPC client not connecting the correct port, possible TCP port problem. - by:...
Hello, I am having some trouble with my OPC client code. This OPC client recursively finds all the data nodes on a server and outputs them to a .txt file, for some background. Recently my client...
View ArticleTrouble accessing Beckhoff OPC-UA onboard server - by: m.baumgartner
Hello, One of our clients is having issue with Beckhoff equipements that have an in board OPC-UA Server. He's getting the following errors (in our logs system) in this order : [File Attachment:...
View ArticlePossible Memory Growth in Unmanaged Data Client Code - by: gkalipershad
Z, Please see the below email that I received from a customer: "I have written a number of Windows services in C# running on Server 2012 R2 that use your OpcLabs.BaseLib and OpcLabs.EasyOpcClassic...
View ArticleUsing Excel add-on to synchronize excel sheets - by: support
From: R. Sent: Tuesday, December 4, 2018 4:04 PM To: Zbynek Zahradnik <This email address is being protected from spambots. You need JavaScript enabled to view it.> Subject: Excel Add-on...
View ArticleDeltaV browsing issue - by: support
From: M. Sent: Tuesday, January 23, 2018 10:54 AM To: Z. Subject: DeltaV browsing issue Hi Z., We are still struggling with the Browsing issue using the DeltaV OPC server. Please see below the Inner...
View ArticleEasyOPC DA .Net and Common .Net libraries - by: janderscu
Hi, I have recently taken over a software project from a prior programmer that no longer works here. We are needing to update the .net dll's in our custom package that are used for OPC data access....
View ArticleExcel Option for QuickOPC - by: support
From: OPC Labs Contact Form - T. Sent: Monday, December 10, 2018 10:15 AM To: Z. Subject: OPC Labs Contact Form - Excel Option for QuickOPC [...] Hi Regarding OPC UA client plug in Excel Option for...
View ArticleWrite OPC tag from Powershell - by: support
From: OPC Labs Contact Form - B. Sent: Tuesday, December 11, 2018 7:37 PM To: Z. Subject: OPC Labs Contact Form - Write OPC tag from Powershell [...] We need to write a tag from Powershell, and a I...
View Articleset Basic128Rsa15 and User/Password on Xojo - by: support
From: D. Sent: Wednesday, December 12, 2018 1:52 AM To: Z. Subject: Ask for support Dear Z., As until now we didn’t have problems with connect to OPC Server I didn’t contact for support. Now Server is...
View ArticleWriting to variables - by: SolutionNow
Hello, We're having some problems writing to variables on the machine. Here is the piece of code that isn't working correctly at the moment: String sServer = null, sNodo = null, sValore = null;...
View Articlecertificate problem - by: support
From: R. Sent: Tuesday, December 11, 2018 11:16 AM To: Z. Subject: certificate problem hello zbynek, [...] on a special detail, i have a question : some students are working on a project, which will...
View ArticleHow to add subscriptions? - by: Boris
Hello. For some time, we successfully use QuickOPC-UA for COM in our projects. But now we are faced with a problem when working with the OPC UA server for S7-1500 CPUs. The fact is that this server has...
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