Online Forums

Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions or issues. You do not have to own a commercial license in order to use the OPC Labs support. Our team is actively monitoring the forums, and provides replies as soon as possible.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible.

Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

QuickOPC in .NET 1529 topics

Provides support for QuickOPC in .NET-based tools.

Time to create page: 0.134 seconds

	Subject	Replies / Views	Last Post
Define a "private" server, log data and export data	Define a "private" server, log data and export data Category: QuickOPC in .NET Topic started 21 Aug 2019 16:42, by Peloso Last Post 20 Feb 2024 17:42 by support	Replies:7 Views:2593	Last Post by support 20 Feb 2024 17:42
Can I read a value at a specified date/time?	Can I read a value at a specified date/time? Category: QuickOPC in .NET Topic started 14 Feb 2024 16:12, by ScottEwine Last Post 14 Feb 2024 17:26 by support	Replies:3 Views:896	Last Post by support 14 Feb 2024 17:26
When I interrupt subscription to OPC DA server item(s), I cannot re-subscribe.	When I interrupt subscription to OPC DA server item(s), I cannot re-subscribe. Category: QuickOPC in .NET Topic started 06 Feb 2024 14:27, by mut9bu Last Post 11 Feb 2024 19:38 by support	Replies:3 Views:913	Last Post by support 11 Feb 2024 19:38
Is it possible to programmatically get all OPC Group names including their path	Is it possible to programmatically get all OPC Group names including their path Category: QuickOPC in .NET Topic started 09 Feb 2024 10:42, by micham Last Post 10 Feb 2024 18:20 by support	Replies:3 Views:1093	Last Post by support 10 Feb 2024 18:20
Can I get info reg. the subscription cycle while subscribing to OPC DA items?	Can I get info reg. the subscription cycle while subscribing to OPC DA items? Category: QuickOPC in .NET Topic started 09 Feb 2024 06:29, by mut9bu Last Post 09 Feb 2024 07:25 by support	Replies:1 Views:928	Last Post by support 09 Feb 2024 07:25
Match Pattern for Embedding a License	Match Pattern for Embedding a License Category: QuickOPC in .NET Topic started 23 Jan 2024 19:52, by nknox Last Post 24 Jan 2024 10:25 by support	Replies:1 Views:676	Last Post by support 24 Jan 2024 10:25
I have a couple questions about our contracted Licenses	I have a couple questions about our contracted Licenses Category: QuickOPC in .NET Topic started 19 Dec 2023 08:52, by Ureña Last Post 23 Jan 2024 10:20 by support	Replies:8 Views:1319	Last Post by support 23 Jan 2024 10:20
Quickopc reconnect Problem	Quickopc reconnect Problem Category: QuickOPC in .NET Topic started 19 Dec 2023 03:28, by jian.kong@vskysoft.com Last Post 27 Dec 2023 09:26 by support	Replies:7 Views:1241	Last Post by support 27 Dec 2023 09:26
How to subscribe to multiple OPC DA items, when amount of variables is changing?	How to subscribe to multiple OPC DA items, when amount of variables is changing? Category: QuickOPC in .NET Topic started 20 Dec 2023 10:27, by mut9bu Last Post 20 Dec 2023 12:02 by mut9bu	Replies:4 Views:1054	Last Post by mut9bu 20 Dec 2023 12:02
Unnecessary warnings messages are thrown in code compile, isolate these warnings	Unnecessary warnings messages are thrown in code compile, isolate these warnings Category: QuickOPC in .NET Topic started 14 Dec 2023 16:14, by chandresekaran Last Post 14 Dec 2023 16:43 by support	Replies:1 Views:1212	Last Post by support 14 Dec 2023 16:43
Unable to handle EasyUAClient with CreateInstanceFromAndUnwrap()	Unable to handle EasyUAClient with CreateInstanceFromAndUnwrap() Category: QuickOPC in .NET Topic started 12 Dec 2023 13:21, by lolo1988 Last Post 13 Dec 2023 09:38 by support	Replies:6 Views:1053	Last Post by support 13 Dec 2023 09:38
Unable to connect to Kep Server EX	Unable to connect to Kep Server EX Category: QuickOPC in .NET Topic started 01 Dec 2023 14:51, by micham Last Post 11 Dec 2023 13:10 by support	Replies:6 Views:1975	Last Post by support 11 Dec 2023 13:10
Read items from OPC DA server takes extremly long	Read items from OPC DA server takes extremly long Category: QuickOPC in .NET Topic started 04 Dec 2023 15:36, by mut9bu Last Post 11 Dec 2023 13:09 by support 1 2	Replies:12 Views:2895	Last Post by support 11 Dec 2023 13:09
Unable to read/write an array using UAIndexRangeList.OneDimension	Unable to read/write an array using UAIndexRangeList.OneDimension Category: QuickOPC in .NET Topic started 01 Dec 2023 16:29, by Scaglioni Last Post 05 Dec 2023 15:31 by support	Replies:5 Views:1298	Last Post by support 05 Dec 2023 15:31
Addressing single index in array node	Addressing single index in array node Category: QuickOPC in .NET Topic started 04 Dec 2023 10:51, by alenjursic1997 Last Post 04 Dec 2023 11:01 by support	Replies:1 Views:995	Last Post by support 04 Dec 2023 11:01
Error connecting to Integration Objects UA Server BadCertificateUriInvalid	Error connecting to Integration Objects UA Server BadCertificateUriInvalid Category: QuickOPC in .NET Topic started 02 Dec 2023 09:34, by micham Last Post 02 Dec 2023 11:49 by micham	Replies:2 Views:1702	Last Post by micham 02 Dec 2023 11:49
Connection to same machine with 5.62 possible but with 5.71 I get "Acces Denied"	Connection to same machine with 5.62 possible but with 5.71 I get "Acces Denied" Category: QuickOPC in .NET Topic started 16 Nov 2023 06:13, by mut9bu Last Post 29 Nov 2023 19:32 by support 1 2	Replies:17 Views:2968	Last Post by support 29 Nov 2023 19:32
It seems writing a DateTime with with EasyDAClient.WriteItem() is not supported	It seems writing a DateTime with with EasyDAClient.WriteItem() is not supported Category: QuickOPC in .NET Topic started 28 Nov 2023 13:13, by ScottEwine Last Post 28 Nov 2023 16:32 by ScottEwine	Replies:2 Views:728	Last Post by ScottEwine 28 Nov 2023 16:32
Strange disconnection from OPC-UA server with exception	Strange disconnection from OPC-UA server with exception Category: QuickOPC in .NET Topic started 28 Nov 2023 09:45, by Scattolaro Last Post 28 Nov 2023 15:48 by support	Replies:1 Views:1251	Last Post by support 28 Nov 2023 15:48
Continuous instantiation of EasyUAClient causes ever-growing (?) memory usage	Continuous instantiation of EasyUAClient causes ever-growing (?) memory usage Category: QuickOPC in .NET Topic started 25 Mar 2021 12:12, by mozesa Last Post 21 Nov 2023 13:28 by support	Replies:4 Views:1947	Last Post by support 21 Nov 2023 13:28