Software Toolbox Technical Blog

Tech Support Corner: Secure UA Authentication with Cogent DataHub

4 min read

By Win Worrall on Dec 16, 2021 2:00:00 PM


If you've seen our other, more detailed posts (specifically our Exploring OPC UA post and the DataHub OPC UA video how-to) on getting Cogent DataHub working with OPC UA clients and servers, you are probably already familiar with configuring Cogent DataHub for secure access from an OPC UA client. However, we are commonly asked how to quickly get the DataHub OPC UA server interface ready for an OPC UA client to securely connect for accessing data from the variety of other interfaces that DataHub supports.

Continuing our Tech Support Corner blog series, this short post covers just the basics for setting up the Cogent DataHub OPC UA server interface to use the highest level of security and to require a client to specify a username and password for authentication.

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Tech Support Corner: Optimizing with ControlLogix Protocol Modes

15 min read

By Connor Mason on Dec 2, 2021 2:00:00 PM


If you’re a user of the Allen-Bradley ControlLogix Ethernet driver in TOP Server for AVEVA, you may be familiar with the different protocol modes available during device configuration. The three distinct options of Symbolic, Logical Blocking, and Logical Non-Blocking provide users with advanced control over how data is read and addressed from the controller.

Configuring protocol modes is usually only suggested for advanced users who have a solid understanding of each mode, and how their Logix programs are structured. To that end, continuing our Tech Support Corner blog series, this blog post will break down each of these protocol modes, while exploring their benefits and drawbacks, to provide you a clear understanding of each protocol. This post will provide the advanced knowledge needed in a usable way to best serve your own project!

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Tech Support Corner: 5 Tips for Using OPC Quick Client

8 min read

By Kevin Rutherford on Sep 2, 2021 2:00:00 PM


If you're a TOP Server for AVEVA (formerly Wonderware) user, you've certainly connected to a device configured in TOP Server using the included OPC Quick Client at one time or another. But if you've just been launching the Quick Client from the TOP Server toolbar, you may be missing some very useful features.

Continuing our Tech Support Corner blog series, this blog post covers five tips you can use to get the most out of your experience using the OPC Quick Client with TOP Server and other OPC DA servers.

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Tech Support Corner: Adding Friendly Topic Names in TOP Server

6 min read

By Kevin Rutherford on Apr 8, 2021 2:00:00 PM


If you're a TOP Server for AVEVA (formerly Wonderware) user, you've certainly connected to a device configured in TOP Server using a topic name. But did you know you can create custom topics called aliases with any meaningful name you would like to represent your devices?

Continuing our Tech Support Corner blog series, this blog post covers how to easily add define meaningful aliases for your devices in TOP Server for use as topics in your client applications.

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Tech Support Corner: Sharing XML Data With OPC Router

7 min read

By Kevin Rutherford on Nov 12, 2020 2:00:00 PM


If you're following our blog posts on integrating XML data, we're discussing methods our tech support team suggests when asked how to integrate XML (eXtensible Markup Language) data with other systems such as OPC clients or servers, databases, devices or even the cloud.

Continuing this discussion on Integrating XML Data (part of our continuing Tech Support Corner blog series), this post covers how to integrate XML data with a variety of other systems including OPC clients and servers, databases, IIoT and more using the OPC Router. 

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Tech Support Corner: Sharing XML File Data With Cogent DataHub

5 min read

By Win Worrall on Nov 5, 2020 2:00:00 PM


If you've read our other posts on sharing XML data, you'll remember that our tech support team regularly gets asked how to integrate XML (eXtensible Markup Language) data with other systems such as OPC clients or servers, databases, devices or even the cloud.

Continuing our discussion on Integrating XML Data (part of our continuing Tech Support Corner blog series), this post covers how to integrate XML data with a variety of other systems including OPC clients and servers, databases and more using the built-in scripting engine and interfaces of Cogent DataHub. 

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Tech Support Corner: Sharing XML File Data With Custom Applications

5 min read

By Ganesh Kalipershad on Oct 29, 2020 2:00:00 PM


If you read our last post on sharing XML data, you may recall that our tech support engineers are regularly asked how to take data provided in an XML (eXtensible Markup Language) format (file or data stream) and share it with other systems such as OPC clients or servers, databases, devices or even the cloud.

In this Integrating XML Data sub-topic of our continuing Tech Support Corner blog series, this post covers how to easily integrate XML data with OPC systems when designing a custom developed application. 

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Tech Support Corner: Sharing XML File Data With Other Systems

5 min read

By Kevin Rutherford on Oct 22, 2020 2:00:00 PM


A question our tech support engineers get asked quite regularly is how to take data stored in an XML (eXtensible Markup Language) file and share it with other systems such as OPC clients or servers, databases, devices or even the cloud.

Continuing our Tech Support Corner blog series, this post covers a high level review of what options are available for integrating XML file data with your other systems. As part of this series, we'll have supplemental posts on each of the options discussed covering how to use them in more detail. 

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