Read Multiple Data - by: support
Hi, I am using your Quick OPC C# library for building an evaluation application before making a purchase, I was wondering How can I connect to the OPC server running on other machine when I am trying...
View ArticleQuickOPC DA COM VB6 [order of item change events] - by: support
From: J. Sent: Wednesday, June 15, 2016 6:20 AM To: Z. Subject: QuickOPC DA COM VB6 Hello [...], we user QuickOPC DA COM in a VB6 application to connect to a softing OPCServer which connects to a...
View ArticleLicensing model - by: meisathish
Hi all, Can anybody give me a suggestion on "What type of licensing model can I use for my OPC UA Server"??
View ArticleComplete Application Hangup - by: Erik
Hello, I have come across a situation in your EasyOpcUADemo application under QuickOPC 5.3\ExamplesNet that causes a complete freeze of the application. See the attached file for steps to reproduce....
View ArticleData Quality Issues - OPCLabs client and Softing's OPC server - by: bojan
Hi OpcLabs, We have an issue with data quality. It appears that the data sent from OPCLabs client to Softing’s I-Nat server isn’t recorded in the server. We send the data using DA:...
View ArticleXml demo application: OPC NET API failure result "E_BADTYPE" - by: goosvanbeek
Hello support, When I use the demo application (EasyOpcNetDemoXml) and try to write an item value (e.g. Static/Simple Types/Int), it causes the exception OPC NET API failure result "E_BADTYPE". Reading...
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Help with VBA Code - by: cdunlap
Hi, I am having some trouble building off of one of the VBA Excel examples and I was hoping to get some input on it. This is not specifically related to a problem with the component itself, but more on...
View ArticleUpgrade a license? - by: andis59
Dear Sirs, We have a Quick OPC 5.22 - 5.3x Standard License - Single Developer + Runtime Free License. How would we go about to upgrade this license to the current version of Quick OPC, 5.40. Is there...
View ArticleQuickOPC ReadItemValue() hangs - by: Vogelbacher
I have a problem with QuickOPC 5.35. ReadItemValue() hangs and I have no clue how to find and solve the problem. Please Help me with this. Details are in the attached PDF. [File Attachment:...
View ArticleMemory consumption - by: chrisachern
Hi, i have a very simple Service, which writes values of opc items to a database. My Problem is, that the Memory consumption is slowly increasing. When i start the Service, it uses about 20mb, after 2...
View ArticleHow to set client certificate parameters; examples in VBA, VBScript, C# - by:...
The default behavior of QuickOPC is to automatically generate a "subject name" for the instance certificate of the UA client application. QuickOPC then attempts to locate the certificate using this...
View ArticleOPC-UA client cannot dispose after internal error (Quick-OPC 5.35 build...
Hi, we have a problem with disposing an EasyUAClient. The problem occurs in a case when a connection is lost to a remote server to which some items were subscribed. The connection is lost either...
View ArticleEasyUAClinet subscribe method throws InvalidOperationException error (5.40) -...
Hi, we've switched from 5.35 to 5.4 version for testing. We've used to nuget packages to get de dlls. The code that worked before now sometimes throws an exception when we try to subscribe an item...
View ArticleOPC-UA Endpoint DomainMismatch, and ObjectDisposedException - by: Erik
Hello I finally had time to look into this update and I run into the following issue: [File Attachment: Error1.png] With the following stacktrace I have no idea where this is comming from. We have no...
View ArticlePrecondition failed: attributeDataResultArray.Length == readList.Count - by:...
Hello, I might have spoken to soon... When I call the following code: I get a a crash stating: Precondition failed: attributeDataResultArray.Length == readList.Count and with the following stack trace:...
View ArticleBrowse Node with "pagination" - by: UKPR
Hi OPC Labs Team! Just quick idea: Could it be possible to implement function to browse trough OPC UA nodes with some sort of pagination? e.g. Browse(startNodeId, numberOfNodesToRead) It would be...
View ArticleRun time is over the limit - by: MrASmidth
Dear All, i developed an app to read something. Works fine on my developer machine but after deploying i get Error. Run time is over the limit. The license you have (most likely trial version) does not...
View ArticleProgrammatic installation of BIN file - by: chrisbonnar
I have recently purchased a licence "QuickOPC Standard, Single Developer + Runtime Free License, With 2 Year Maintenance" and I need to deploy it without having to install the licence manager. I...
View ArticleUA Alarms&Conditions in FreePascal (Lazarus) - by: support
From: OPC Labs Download Follow-up Form [...] Sent: Thursday, July 14, 2016 4:26 PM To: Zbynek Zahradnik <...> Subject: OPC Labs Download Follow-up Form ... Hello, I have played around with the...
View ArticleCreating multiple EasyDAClient objects, blocking - by: support
From: B. Sent: Monday, July 25, 2016 10:51 AM Cc: L. Subject: EasyDAClient creation Hi Zbynek, We have a some method that gets invoked multiple times, and has creation of OPC client, and then some...
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