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Home | Forum | Discussions | QuickOPC-Classic in .NET | Reading, Writing, Subscriptions, Property Access | An OPC operation failure with error code 0xC0040007

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QuickOPC-Classic in .NET
Reading, Writing, Subscriptions, Property Access

Topics in Category: Reading, Writing, Subscriptions, Property Access

2 Replies emo
Disabling automatic subscriptions made with OPC Reads
Topic started 10 Mar 2014 11:45 by support
1915 Views
Last Post by support
04 Mar 2015 10:26
 
3 Replies emo
0x80040202 (CONNECT_E_CANNOTCONNECT ?)
Topic started 12 Jul 2017 13:10 by chrisbonnar
64 Views
Last Post by support
14 Jul 2017 10:16
10 Replies emo
Occasional exception when writing to tag
Topic started 12 Sep 2014 00:55 by cromarty
  • Page:
  • 1
  • 2
 1656 Views
Last Post by support
07 Jun 2017 13:00
1 Replies emo
How to know if the item did not change or broken?
Topic started 07 Apr 2017 18:43 by Li
193 Views
Last Post by support
10 Apr 2017 11:18
12 Replies emo
Value conversion and other [browse issues]
Topic started 05 Apr 2017 14:44 by support
  • Page:
  • 1
  • 2
 327 Views
Last Post by support
07 Apr 2017 10:04
8 Replies emo
Window Service and OPC Subscription
Topic started 28 Mar 2017 11:59 by LuisGar
292 Views
Last Post by support
04 Apr 2017 10:46
3 Replies emo
Not Able to write tag on software toolbox top server v4
Topic started 09 Mar 2017 10:37 by sushant1459
209 Views
Last Post by support
09 Mar 2017 13:48
1 Replies emo
An OPC operation failure with error code -1967439359
Topic started 02 Feb 2017 14:48 by Jukka
370 Views
Last Post by support
02 Feb 2017 15:35
4 Replies emo
EasyUAClient.WriteMultipleValu​es takes almost 2 seconds to write to an Int16 field
Topic started 26 Jan 2017 15:02 by andis59
273 Views
Last Post by andis59
26 Jan 2017 16:19
7 Replies emo
An OPC operation failure with error code -1073430509 (0xC004C013) occurred
Topic started 12 Jan 2017 12:41 by Jukka
463 Views
Last Post by support
18 Jan 2017 18:08
1 Replies emo
Writing Value, timestamp, quality for OPC DA 2.05A
Topic started 19 Dec 2016 17:58 by michiel_tukker
457 Views
Last Post by support
19 Dec 2016 19:19
1 Replies emo
Getting the item's type
Topic started 10 Dec 2016 10:09 by support
363 Views
Last Post by support
10 Dec 2016 10:12
4 Replies emo
Example needed - subscribe to OPC item change event
Topic started 17 Oct 2016 15:30 by support
564 Views
Last Post by den Bekker
18 Oct 2016 08:07
1 Replies emo
(Array)e.Vtq.Value = NULL
Topic started 27 Sep 2016 13:57 by tmouslih
464 Views
Last Post by support
27 Sep 2016 15:29
4 Replies emo
UnsubscribeMultipleItems and UnsubscribeAllItems hang indefinately
Topic started 25 Aug 2016 10:53 by sebpinski
719 Views
Last Post by support
31 Aug 2016 19:06
4 Replies emo
Need help on WriteMultipleItems or WriteMultipleItemValues in VB.NET
Topic started 27 Jul 2016 15:38 by Sandro@More
511 Views
Last Post by Sandro@More
28 Jul 2016 09:49
5 Replies emo
Data Quality Issues - OPCLabs client and Softing's OPC server
Topic started 27 Jun 2016 16:00 by bojan
636 Views
Last Post by bojan
06 Jul 2016 16:15
2 Replies emo
Xml demo application: OPC NET API failure result "E_BADTYPE"
Topic started 27 Jun 2016 18:49 by goosvanbeek
625 Views
Last Post by goosvanbeek
27 Jun 2016 19:54
1 Replies emo
Read Multiple Data
Topic started 15 Jun 2016 06:48 by support
628 Views
Last Post by support
15 Jun 2016 06:54
8 Replies emo
Limit on number of records that can be written
Topic started 22 Apr 2016 15:16 by bojan
758 Views
Last Post by support
11 May 2016 15:50
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QuickOPC-Classic in .NET
Reading, Writing, Subscriptions, Property Access
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