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My C# code for subscribing to multiple OPC DA items is not working as expected when there are "non-good quality" values in the first cycle

score 61 · Answer 1 · 2024-02-03T17:55:01.383000

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My C# code for subscribing to multiple OPC DA items is not working as expected when there are "non-good quality" values in the first cycle

61 views Asked by Mdarende At 03 February 2024 at 17:55

score 59 · Answer 2 · 2024-01-12T10:27:46.733000

OPC DA / OpenOPC timeout errror when reading value twice

59 views Asked by Trygve Ruud At 12 January 2024 at 10:27

score 75 · Answer 3 · 2023-12-19T10:45:53.713000

How to allow the 32b OPC DA server to be connected from the 64b client over DCOM?

75 views Asked by rotabor At 19 December 2023 at 10:45

score 76 · Answer 4 · 2023-11-29T10:41:50.363000

Is it possible to prevent IIS initialising DCOM security settings or to ensure that IIS does the DCOM security settings in the way we want?

76 views Asked by Mdarende At 29 November 2023 at 10:41

score 80 · Answer 5 · 2023-11-23T11:04:21.453000

Windows service, writes to OPC takes long time to write to the OPC-object

80 views Asked by B.j At 23 November 2023 at 11:04

score 86 · Answer 6 · 2023-11-22T14:22:15.230000

Connection to OPC DA server is working with C# console app .NET6, but not on web app Blazor Server side .NET6. What could be the reason?

86 views Asked by Mdarende At 22 November 2023 at 14:22

score 121 · Answer 7 · 2023-11-16T14:51:28.787000

Utgard - Access is denied, please check whether the [domain-username-password] are correct

121 views Asked by fork4 At 16 November 2023 at 14:51

score 114 · Answer 8 · 2023-06-16T01:34:18.947000

How to get OPC DA dynamic ports?

114 views Asked by The dream of salt fish At 16 June 2023 at 01:34

score 354 · Answer 9 · 2023-04-20T06:42:41.387000

How to force j-interop using ncalrpc for localhost?

354 views Asked by devaskim At 20 April 2023 at 06:42

score 470 · Answer 10 · 2023-03-21T11:19:30.927000

How to connect opcua server over https using python, that is opc.https

470 views Asked by Story De Moi At 21 March 2023 at 11:19

score 106 · Answer 11 · 2022-12-12T09:09:15.527000

System.NullReferenceException in HRESULT[] results = group.Write(items, values) //TitaniumAS OPCda

106 views Asked by Seyl At 12 December 2022 at 09:09

score 1532 · Answer 12 · 2022-12-01T13:59:49.923000

System.AccessViolationException Visual Studio

1.5k views Asked by Seyl At 01 December 2022 at 13:59

score 396 · Answer 13 · 2022-10-05T05:49:21.373000

OPC-DA AddGroup not working by using "TitaniumAS.Opc.Client" c# library

396 views Asked by vignesh At 05 October 2022 at 05:49

score 196 · Answer 14 · 2022-10-03T21:48:06.003000

Error Message "The URL scheme 'OPCDA' is not supported" in Win10, Works Fine 2012 R2

196 views Asked by Scott Baker At 03 October 2022 at 21:48

score 79 · Answer 15 · 2022-09-29T05:51:55.230000

Not able to read OPC tags after 30 minutes of restarting the Server

79 views Asked by Pradeep Kumar At 29 September 2022 at 05:51

score 34 · Answer 16 · 2022-09-01T13:40:42.827000

cannot open file TCBVS2017D.lib

34 views Asked by Abdou At 01 September 2022 at 13:40

score 146 · Answer 17 · 2022-08-09T10:43:32.277000

OPC DA disconnect and reconnect automatically after 20-30 seconds

146 views Asked by prasanth gunnam At 09 August 2022 at 10:43

score 673 · Answer 18 · 2022-07-19T11:41:05.870000

Is there any package in node js that can connect to OPC-DA server?

673 views Asked by Pradeep Kumar At 19 July 2022 at 11:41

score 496 · Answer 19 · 2022-05-27T10:21:38.917000

Read and write to a Opc DA server in python

496 views Asked by CarloMatto At 27 May 2022 at 10:21

score 643 · Answer 20 · 2022-04-06T11:28:08.893000

What is the best practice for reading items from OPC DA v1 server

643 views Asked by Aidan Donnelly At 06 April 2022 at 11:28

TechQA.

List Question

My C# code for subscribing to multiple OPC DA items is not working as expected when there are "non-good quality" values in the first cycle

OPC DA / OpenOPC timeout errror when reading value twice

How to allow the 32b OPC DA server to be connected from the 64b client over DCOM?

Is it possible to prevent IIS initialising DCOM security settings or to ensure that IIS does the DCOM security settings in the way we want?

Windows service, writes to OPC takes long time to write to the OPC-object

Connection to OPC DA server is working with C# console app .NET6, but not on web app Blazor Server side .NET6. What could be the reason?

Utgard - Access is denied, please check whether the [domain-username-password] are correct

How to get OPC DA dynamic ports?

How to force j-interop using ncalrpc for localhost?

How to connect opcua server over https using python, that is opc.https

System.NullReferenceException in HRESULT[] results = group.Write(items, values) //TitaniumAS OPCda

System.AccessViolationException Visual Studio

OPC-DA AddGroup not working by using "TitaniumAS.Opc.Client" c# library

Error Message "The URL scheme 'OPCDA' is not supported" in Win10, Works Fine 2012 R2

Not able to read OPC tags after 30 minutes of restarting the Server

cannot open file TCBVS2017D.lib

OPC DA disconnect and reconnect automatically after 20-30 seconds

Is there any package in node js that can connect to OPC-DA server?

Read and write to a Opc DA server in python

What is the best practice for reading items from OPC DA v1 server

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