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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.

Recent Topics (5 topics)

Subject Replies / Views Last Post
JScript version of OPC-DA Write multiple values, specify requested data types
Category: QuickOPC-Classic in COM
Topic started 25 Jul 2025 22:15, by Kyle.Oshima@caltrol.com
Last Post 05 Aug 2025 17:36
by support
Replies:6
Views:162
Last Post by support
05 Aug 2025 17:36
QuickOPC 2017.1 need to be upgrade?
Category: General Issues, Building
Topic started 31 Jul 2025 13:13, by walter.calzolari
Last Post 01 Aug 2025 07:42
by support
Replies:4
Views:55
Last Post by support
01 Aug 2025 07:42
Occasionally Failure OpcLabs.UAEngine=4518 occurs
Category: Reading, Writing, Subscriptions
Topic started 28 Jul 2025 12:20, by Kärcher
Last Post 29 Jul 2025 07:02
by support
Replies:3
Views:69
Last Post by support
29 Jul 2025 07:02
JScript version of OPC-UA Write and specify data type example
Category: QuickOPC-UA in COM
Topic started 18 Jul 2025 02:00, by Kyle.Oshima@caltrol.com
Last Post 23 Jul 2025 19:15
by Kyle.Oshima@caltrol.com
Replies:5
Views:110
Last Post by Kyle.Oshima@caltrol.com
23 Jul 2025 19:15
Read current value on subscription and on reconnection
Category: Reading, Writing, Subscriptions
Topic started 22 Jul 2025 05:00, by clyeo
Last Post 22 Jul 2025 07:01
by support
Replies:3
Views:69
Last Post by support
22 Jul 2025 07:01

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