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Cannot view DeltaV in Connectivity Explorer - by: Mattias

Hi, I have a local server (OPC.DeltaV.1) that I can view both in OPCWatchIt and with another 3:rd party program. When I try to connect to the server with Connectivity explorer i get this...

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Can not upgrade QuickOpc to version 5.70 - by: Andriy

Hi, I can not upgrade QuickOpc from version 5.63 to latest released 5.70 version. Any thoughts? Runtime envirionment: .NET Core 6.0, target framework: net6.0-windows Get the following warnings:

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ReadMultipleItems - Failure: OPC NET API error - result ID: E_NETWORK_ERROR;...

Hi My english isn't very good. please bear with me. The OPC Server at a particular site is experiencing this error. Old version : OPC Client Program OPC 5.60.107 Current Version : OPC Client Program...

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Cannot view DeltaV in Connectivity Explorer - by: Mattias

Hi, I have a local server (OPC.DeltaV.1) that I can view both in OPCWatchIt and with another 3:rd party program. When I try to connect to the server with Connectivity explorer i get this...

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Is it possible to browse just a part (one main directory) of a OPC UA server?...

Hello In our plant we use for several CNC production machines (lets say 50 Siemens 840D machines) one external OPC UA server (3.party). In this OPC UA server there is one main directory for one single...

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License issue - by: eshaq.quadri

Dear OPC support, we are encountering below error when fetching tags. Please guide on it. An OPC-UA operation failure with error ID 'OpcLabs.UAEngine=1' occurred, originating from 'Opc.Ua.Core' and...

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ApplicationName used for certificate in C++ COM Project - by: csm

Hi, I am working with an unmanaged C++ project and would like to be able to set the "ApplicationName" property. In C# it is done as follows: // Set the application name, which determines the subject of...

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ReadMultipleItems - Failure: OPC NET API error - result ID: E_NETWORK_ERROR;...

Hi My english isn't very good. please bear with me. The OPC Server at a particular site is experiencing this error. Old version : OPC Client Program OPC 5.60.107 Current Version : OPC Client Program...

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VSToolbox Not Properly Showing Components - by: gkalipershad

Hello, I am working with a customer using V5.71.234.1 and in VS2022, they are not seeing all the components in the VSToolbox. In my own testing, I see the same and I am not sure why. The only ones we...

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Behaviour of EasyUAClient.WriteMultipleValues - by: Kärcher

hi, i'm currentliy working on a tool that is writing some values via opc. Unfortunatetly i don't get how WriteMultipleValues really bahaves. We're using QuickOpc Version "5.70.1053" in a .net6...

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OPC UA DEMO - by: info@software2000.it

In the OPC UA DEMo application, if the server I want to connect to not support anonymous access, even if I set a User and Password in the discovery windows , manual adding the server URI, when I come...

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Opc.UA.ServiceResult=0x80310000 - by: SIEMENS_ROC

Our software has problems that the OPC connection is broken down again and again. How does this error (Opc.UA.ServiceResult=0x80310000) come about? And how can we fix this? We monitor the OPC...

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Crash upon start. 5.71.256 - by: IRuiz

Hello, I recently upgraded NuGet from 5.70.1202 to 5.71.256, all the projects referencing this NuGet are now throwing upon start and closing. All projects target .NET 4.8. File Attachment:File Name:...

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Unable to write data into S7-1500 PLC using DASSIDirect. - by: arunmanuel

Hello to all the experts out there, Hope you're all doing well. I am pretty new to the concept of OPC and I hope you will forgive me if I say things that don't make sense, but I will try my best to...

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Error on write - by: Scattolaro

Hi, with an OPC-UA server with anonymous access, after having read correctly we cannot browse but above all, as can be seen from the image attach, we cannot write. I also include the exception below:...

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Unable to write data into S7-1500 PLC using DASSIDirect. - by: arunmanuel

Hello to all the experts out there, Hope you're all doing well. I am pretty new to the concept of OPC and I hope you will forgive me if I say things that don't make sense, but I will try my best to...

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Directory Services - by: shadok

Hi, We have WCF application in which are using functions from EasyDaClient. Beside this from this service also quering Directory Services. The problem is as follows : After start application, if the...

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Mapping Custom Data Types - by: H64P

Hello, does Quickopc offer the possibility of automatic mapping with NodeSet2 or Types.xsd or does the mapping for non-generic types have to be done via "live mapping"? I am asking this because we have...

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[5.71.273] Stop referencing Microsoft.Net.Http for net6.0 target - by: boppbo

"This package is not supported in Visual Studio 2010, and is only required for projects targeting .NET Framework 4.5, Windows 8, or Windows Phone 8.1 when consuming a library that uses this package."...

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Handling of PubSub messages with custom data types inside - by: H64P

Hello, can QuickOPC process UAExtensionObjects received via Pubsub? Our server distributes pubsub messages (variants) with several user-defined data types inside. Each field of our pubsub message has...

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