QuickOPC v5.50.334 easyDAClient getting Timestamp with Milliseconds rounded -...
Hello, when reading value from QuickOPC DA(using GetMultiplePropertyValues function) I am getting the Time Stamp of the value rounded to the last second, example: 2017-11-06 14:55:43.000 is there a way...
View ArticleSlow reads (with bad quality) when the PLCs is off - by: jmolina
Hi, I'm working with Visual studio 2015 creating a Windows Form app in C# with Classic .NET Connection. I'm using Matrikon OPC Server for Siemens and Matrikon OPC Server Simulation. I execute multiple...
View ArticleExcel Integration (writing to an OPC-UA tag) - by: support
From: D. Sent: Thursday, November 09, 2017 3:34 PM To: Z. Subject: RE: OPC Labs Contact Form - Excel Integration [...] I'm trying to bi-directionally synchronize certain cells in multiple spreadsheets...
View ArticleSubscription - by: I-Tecnology
Hi, I have a problem with Subscription. Here my code: With this code I make a subscription to an item (a bit value). It seems all is ok, as I start my programm it works fine. But if there are no...
View ArticleSubscription - by: I-Tecnology
Hi, I have a problem with Subscription. Here my code: With this code I make a subscription to an item (a bit value). It seems all is ok, as I start my programm it works fine. But if there are no...
View ArticleSubscription - by: I-Tecnology
Hi, I have a problem with Subscription. Here my code: With this code I make a subscription to an item (a bit value). It seems all is ok, as I start my programm it works fine. But if there are no...
View ArticleApplication failed with .NET runtime related issue when used in COM mode -...
Hello, Our application is a windows service that uses QuickOPC UA for COM to collect data from devices on the network. We've been conducting a stress test lately and have been observing the following...
View ArticleVendor Specific Attributes still being received after disabling them from the...
I am currently evaluating the QuickOPC A&E SDK. I am using it through it's Nuget package (Version: 5.51.465) So I have an OPC A&E Server (Using IntelliMax by Sensys) which is publishing 50...
View ArticleUA parameters corresponding to DA parameters - by: I-Tecnology
Hi, are there any general parameters to set with OPC UA? With OPC DA I used this parameters: With OPC UA I didn't find them.
View ArticlePotential Memory Leak? (Python) - by: support
From: C. Sent: Monday, November 13, 2017 1:20 PM To: Z. Subject: Potential Memory Leak? Hi Z., [..] using QuickOPC in Python and [..] may have found a small memory leak that I wanted to get your input...
View Article(Excel Option - license deployment) - by: support
From: D. Sent: Wednesday, November 22, 2017 11:09 PM To: Z. Subject: RE: OPC Labs Contact Form - Excel Integration [...] One quick license question though. Will machines with runtimes need to install...
View ArticleC# Console Application Run As Windows Service Error on UA Client Connect -...
When I run my console application as windows service the UA Client throws this exception: Exception: System.ArgumentOutOfRangeException: La lunghezza non può essere minore di zero.Nome parametro:...
View Articlememory and handles leak in 64 bit version ? - by: Georges
Hello, I'm currently working in C# with version 2017.1 of QuickOPC and i have observed strange behaviors. When compiling my program in 32 bit, i have no memory leak and no handle leak everything seems...
View Article(Internal) Long running test results - by: support
This is an internal topic. Attached is a result of 9-day test with Connectivity Explorer (5.50.405.1), 2600 rows of live data. Note 1: The network disruptions were triggered by a script - 120 seconds...
View ArticleCannot Compile mscorlib.tlh (C++, VS 2017) - by: MPick
Hi, I've attempted to add quick OPC to our visual studio project. As far as I can tell I've replicated the project setup from the examples (which I re-targeted to the v141 toolset and compiled just...
View ArticleQuickOPC with PowerShell - Register-ObjectEvent - by: Enrico
Hi, we are trying to use the QuickOPC together with the PowerShell to establish a simple data logger. The script gets all Nodes that are linked to the top Node, defined in the parameter. Then the array...
View ArticleRuntime is over the limit despite purchased and installed license - by: dvrstrae
Hello, we are building an application using QuickOPC .Net and very recently purchased a Professional license - Single Developer and unlimited deployments. The license was installed without issues (see...
View ArticleUsing Sign and Encrypt with Basic256 - by: Davidw201
Hello, using the lib for Delphi2010 I'm trying to connect to a Siemens S7 OPC UA server. Since the server only accept sign and encrypted connections with Basic256 I can't establish a connection. If the...
View ArticleOPC-UA Client: Exception on TCP/IP - by: Scattolaro
In my Application I have this exception on OPC-UA client connect: Exception: OpcLabs.EasyOpc.UA.OperationModel.UAException: An OPC-UA operation failure with error code -2147483648 (0x80000000)...
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