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. You do not have to be a licensed user of our product.

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.

Reading, Writing, Subscriptions 181 topics

Time to create page: 0.073 seconds

	Subject	Replies / Views	Last Post
Value not written on UAClientMapper.Write()	Value not written on UAClientMapper.Write() Category: Reading, Writing, Subscriptions Topic started 20 Feb 2019 15:04, by Captain_Dash Last Post 21 Feb 2019 09:23 by support	Replies:7 Views:2258	Last Post by support 21 Feb 2019 09:23
EasyUAClient event when all relevant subscribed values is updated	EasyUAClient event when all relevant subscribed values is updated Category: Reading, Writing, Subscriptions Topic started 18 Jan 2019 07:45, by veda Last Post 23 Jan 2019 08:46 by support	Replies:9 Views:2103	Last Post by support 23 Jan 2019 08:46
"The requested OPC Data Access technology 'Com' is not supported"	"The requested OPC Data Access technology 'Com' is not supported" Category: Reading, Writing, Subscriptions Topic started 07 Jan 2019 18:45, by jc831 Last Post 10 Jan 2019 11:07 by support	Replies:8 Views:3071	Last Post by support 10 Jan 2019 11:07
Writing to variables	Writing to variables Category: Reading, Writing, Subscriptions Topic started 12 Dec 2018 11:48, by SolutionNow Last Post 17 Dec 2018 19:26 by support	Replies:7 Views:2825	Last Post by support 17 Dec 2018 19:26
How to write current time not UTC time to OPC UA tag?	How to write current time not UTC time to OPC UA tag? Category: Reading, Writing, Subscriptions Topic started 01 Oct 2018 18:18, by khanhqhoang Last Post 01 Oct 2018 18:43 by support	Replies:1 Views:5188	Last Post by support 01 Oct 2018 18:43
WriteItemValue error	WriteItemValue error Category: Reading, Writing, Subscriptions Topic started 20 Jun 2018 09:28, by is2 Last Post 22 Jun 2018 12:18 by support	Replies:3 Views:3695	Last Post by support 22 Jun 2018 12:18
Read array of byte return null	Read array of byte return null Category: Reading, Writing, Subscriptions Topic started 12 Jun 2018 15:01, by mpp Last Post 13 Jun 2018 11:54 by mpp	Replies:4 Views:4083	Last Post by mpp 13 Jun 2018 11:54
Monitoring server subscribes count	Monitoring server subscribes count Category: Reading, Writing, Subscriptions Topic started 29 May 2018 14:21, by p-toth Last Post 30 May 2018 06:00 by support	Replies:3 Views:3130	Last Post by support 30 May 2018 06:00
OPCUA reading fromdevice	OPCUA reading fromdevice Category: Reading, Writing, Subscriptions Topic started 17 May 2018 09:48, by Gardoni Last Post 17 May 2018 10:34 by support	Replies:1 Views:3069	Last Post by support 17 May 2018 10:34
Can't write to KepServer V5 word tag with uint16 type	Can't write to KepServer V5 word tag with uint16 type Category: Reading, Writing, Subscriptions Topic started 15 May 2018 06:50, by Taid Last Post 15 May 2018 15:58 by support	Replies:3 Views:3782	Last Post by support 15 May 2018 15:58
Monitoring all variables in a DB	Monitoring all variables in a DB Category: Reading, Writing, Subscriptions Topic started 02 May 2018 13:50, by hcrowe Last Post 03 May 2018 15:26 by support	Replies:3 Views:3260	Last Post by support 03 May 2018 15:26
How to subscribe and process changes to a boolean tag	How to subscribe and process changes to a boolean tag Category: Reading, Writing, Subscriptions Topic started 02 May 2018 20:33, by wmitc2375 Last Post 03 May 2018 15:04 by support	Replies:7 Views:4665	Last Post by support 03 May 2018 15:04
Create node/tag possible?	Create node/tag possible? Category: Reading, Writing, Subscriptions Topic started 23 Apr 2018 16:58, by carlberg Last Post 23 Apr 2018 19:41 by support	Replies:3 Views:3565	Last Post by support 23 Apr 2018 19:41
NullReferenceException from EasyOpcUA	NullReferenceException from EasyOpcUA Category: Reading, Writing, Subscriptions Topic started 06 Apr 2018 12:54, by gkalipershad Last Post 08 Apr 2018 12:32 by support	Replies:1 Views:3029	Last Post by support 08 Apr 2018 12:32
Opc Ua ExtensionObject	Opc Ua ExtensionObject Category: Reading, Writing, Subscriptions Topic started 20 Dec 2016 08:27, by hcvoort Last Post 17 Feb 2018 13:16 by hcvoort 1 2 3 4	Replies:31 Views:21.3k	Last Post by hcvoort 17 Feb 2018 13:16
OpcUaClient Subscription has Stoped, after write To subscribed object from other task	OpcUaClient Subscription has Stoped, after write To subscribed object from other task Category: Reading, Writing, Subscriptions Topic started 26 Sep 2017 12:39, by bmts Last Post 13 Feb 2018 07:40 by support	Replies:8 Views:5623	Last Post by support 13 Feb 2018 07:40
Read, Write and Subscribe to data change of complex data types	Read, Write and Subscribe to data change of complex data types Category: Reading, Writing, Subscriptions Topic started 27 Mar 2017 10:38, by vinaypatel.ce@gmail.com Last Post 13 Feb 2018 07:24 by support 1 2	Replies:15 Views:13.6k	Last Post by support 13 Feb 2018 07:24
UA parameters corresponding to DA parameters	UA parameters corresponding to DA parameters Category: Reading, Writing, Subscriptions Topic started 22 Nov 2017 14:29, by I-Tecnology Last Post 19 Jan 2018 08:26 by I-Tecnology	Replies:7 Views:5378	Last Post by I-Tecnology 19 Jan 2018 08:26
Force MonitoredItem to Read/Update on demand (Should be Easy)	Force MonitoredItem to Read/Update on demand (Should be Easy) Category: Reading, Writing, Subscriptions Topic started 11 Jan 2018 16:33, by dataman1 Last Post 12 Jan 2018 10:36 by support	Replies:1 Views:3293	Last Post by support 12 Jan 2018 10:36
2nd SubscribeDataChange calls freeze	2nd SubscribeDataChange calls freeze Category: Reading, Writing, Subscriptions Topic started 28 Dec 2017 16:26, by phil56 Last Post 11 Jan 2018 07:37 by phil56 1 2	Replies:10 Views:7217	Last Post by phil56 11 Jan 2018 07:37