Professional Communication
Software Development Tools

logos

lupa

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, Property Access 287 topics

Subject Replies / Views Last Post
HoldPeriods
Category: Reading, Writing, Subscriptions, Property Access
Topic started 23 Nov 2012 08:42, by empir
Last Post 27 Nov 2012 18:13
by support
Replies:4
Views:5044
Last Post by support
27 Nov 2012 18:13
Device Failure
Category: Reading, Writing, Subscriptions, Property Access
Topic started 21 Nov 2012 15:40, by empir
Last Post 24 Nov 2012 16:33
by support
Replies:2
Views:5529
Last Post by support
24 Nov 2012 16:33
ByValueAge
Category: Reading, Writing, Subscriptions, Property Access
Topic started 23 Nov 2012 08:45, by empir
Last Post 24 Nov 2012 16:12
by support
Replies:0
Views:4150
Last Post by support
24 Nov 2012 16:12
NullReferenceException in Console Application with the method SubscribeMultipleItems.
Category: Reading, Writing, Subscriptions, Property Access
Topic started 08 Nov 2012 17:26, by jeancg
Last Post 19 Nov 2012 15:58
by support
Replies:2
Views:4472
Last Post by support
19 Nov 2012 15:58
How to retrieve a large array of data
Category: Reading, Writing, Subscriptions, Property Access
Topic started 01 Nov 2012 19:45, by tlaford
Last Post 06 Nov 2012 10:07
by support
Replies:15
Views:12.8k
Last Post by support
06 Nov 2012 10:07
Can SubscribeItem() be used in a web app?
Category: Reading, Writing, Subscriptions, Property Access
Topic started 02 Nov 2012 16:09, by tlaford
Last Post 02 Nov 2012 16:16
by support
Replies:0
Views:3959
Last Post by support
02 Nov 2012 16:16
How to Use SubscribeMultipleItems in Page_Load of a page Asp.net
Category: Reading, Writing, Subscriptions, Property Access
Topic started 21 Sep 2012 19:12, by FernandoSeleski
Last Post 26 Sep 2012 14:44
by support
Replies:2
Views:4335
Last Post by support
26 Sep 2012 14:44
Persisting data using ADO.NET and QuickOPC.NET
Category: Reading, Writing, Subscriptions, Property Access
Topic started 03 Sep 2012 16:32, by jeancg
Last Post 19 Sep 2012 19:49
by support
Replies:7
Views:6081
Last Post by support
19 Sep 2012 19:49
Different Timestamps on OPC-Values depending on access-mode
Category: Reading, Writing, Subscriptions, Property Access
Topic started 17 Sep 2012 09:50, by DKahlert
Last Post 17 Sep 2012 15:24
by support
Replies:0
Views:3796
Last Post by support
17 Sep 2012 15:24
Windows Services and Type Mismatch
Category: Reading, Writing, Subscriptions, Property Access
Topic started 09 Sep 2012 20:31, by peer@barcode.dk
Last Post 10 Sep 2012 14:08
by support
Replies:0
Views:3723
Last Post by support
10 Sep 2012 14:08
Working with Alarms in an OPC-DA 2.05A
Category: Reading, Writing, Subscriptions, Property Access
Topic started 08 Aug 2012 17:25, by jeancg
Last Post 28 Aug 2012 18:07
by jeancg
Replies:13
Views:10.6k
Last Post by jeancg
28 Aug 2012 18:07
Exceptions vs Bad Quality?
Category: Reading, Writing, Subscriptions, Property Access
Topic started 22 Aug 2012 15:46, by jgyenese
Last Post 24 Aug 2012 11:58
by support
Replies:3
Views:7558
Last Post by support
24 Aug 2012 11:58
No notification if no change in OPC value
Category: Reading, Writing, Subscriptions, Property Access
Topic started 23 Jul 2012 18:21, by jeancg
Last Post 26 Jul 2012 09:11
by support
Replies:0
Views:3853
Last Post by support
26 Jul 2012 09:11
Different Timestamp in SubscribeMultipleItems.
Category: Reading, Writing, Subscriptions, Property Access
Topic started 20 Jul 2012 18:12, by jeancg
Last Post 22 Jul 2012 19:02
by support
Replies:0
Views:3985
Last Post by support
22 Jul 2012 19:02
EasyDAClient.ItemChanged stops firing
Category: Reading, Writing, Subscriptions, Property Access
Topic started 19 Jul 2012 13:54, by Shea
Last Post 19 Jul 2012 15:17
by support
Replies:2
Views:4215
Last Post by support
19 Jul 2012 15:17
Faster Queries (OPC read performance)
Category: Reading, Writing, Subscriptions, Property Access
Topic started 28 Jun 2012 06:58, by support
Last Post 28 Jun 2012 06:58
by support
Replies:0
Views:4372
Last Post by support
28 Jun 2012 06:58
Writing Values
Category: Reading, Writing, Subscriptions, Property Access
Topic started 18 Jun 2012 09:58, by SW
Last Post 20 Jun 2012 11:21
by SW
Replies:2
Views:5317
Last Post by SW
20 Jun 2012 11:21
Writing Array Values (OPC-UA)
Category: Reading, Writing, Subscriptions, Property Access
Topic started 20 Jun 2012 09:53, by support
Last Post 20 Jun 2012 09:54
by support
Replies:0
Views:9035
Last Post by support
20 Jun 2012 09:54
Quick OPC V3: Topic Read Complete in V5
Category: Reading, Writing, Subscriptions, Property Access
Topic started 08 Jun 2012 09:26, by support
Last Post 08 Jun 2012 09:26
by support
Replies:0
Views:3761
Last Post by support
08 Jun 2012 09:26
Log multiple item changes into an SQL database using OPCDA.
Category: Reading, Writing, Subscriptions, Property Access
Topic started 24 May 2012 12:37, by jeancg
Last Post 29 May 2012 20:31
by jeancg
Replies:4
Views:5070
Last Post by jeancg
29 May 2012 20:31
Time to create page: 0.056 seconds