Software Toolbox Technical Blog

How to Develop Custom OPC Clients with No Code

2 min read

By Ganesh Kalipershad on Jul 30, 2020 2:00:00 PM

When you hear the term "OPC client", you may initially think of off-the-shelf HMI or SCADA applications.  However, it's common in enterprises across most industries for there to be other custom developed software applications that could benefit from access to OPC process data.  Or perhaps there is a new custom application you're working on that needs to access OPC process data.  The question, then, is how to enable those applications as OPC clients.

In Part 1 of our series on How to Develop Custom OPC Clients, we will cover step-by-step how to use no-code techniques to bind production data to various types of user interface elements for reading, or writing, or both to build a basic OPC client application in Visual Studio.NET.

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OPC Router Basic Training - Writing SQL Data to OPC Servers

2 min read

By Marc Holbach on Jul 23, 2020 1:45:00 PM

As we discussed in Part 1 of our OPC Router Basic Training series, it is quite common for process industry projects to require logging of industrial process data to a database such as Microsoft SQL.  On the other side of the coin, it is also quite common for information such as recipes or other data to be stored in a database such as SQL and to then need to push that data down to process devices.

In Part 2 of the series, we will cover step-by-step how to write stored SQL data to OPC UA and DA servers based on flexible scripted trigger conditions with the OPC Router.

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5 Key Considerations For Choosing Tunneling Solutions for Remote OPC

7 min read

By Win Worrall on Jul 16, 2020 2:00:00 PM


OPC continues to be the standard of choice for interoperability between software and hardware in the multi-vendor real world, with wide adoption of OPC DA Classic still in the majority compared to OPC UA. Accessing remote OPC Classic data sources (i.e. OPC clients and servers are on separate machines and, sometimes, even networks) can be challenging due to a reliance on Microsoft DCOM technology for security and authentication on remote OPC connections.

Anyone who has ever heard of or dealt with configuring DCOM security for remote OPC connections knows it has its challenges.  The good news is that there is an alternative to DCOM for remote OPC Classic connectivity - a solution referred to as OPC tunneling.  In the blog post, we'll discuss five of the key considerations to remember as you're evaluating the best OPC tunneling solution for your projects.

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OPC Router Basic Training - Connecting SQL to OPC Data Sources

2 min read

By Marc Holbach on Jul 9, 2020 2:00:00 PM

Logging industrial process data to a database such as Microsoft SQL is a common requirement of many projects across industries.  One of the key applications for storing industrial process data is providing historical context and reporting of the process so that better decisions can be made.

In Part 1 of our OPC Router Basic Training series, we will cover step-by-step how to easily connect to OPC UA and DA data sources to SQL databases for logging process data with the OPC Router.

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Why use an OPC Server Development Toolkit?

8 min read

By Ganesh Kalipershad on Jun 25, 2020 2:00:00 PM


As technical consultants at Software Toolbox, we are often approached by users who need to expose data from a software application they have written, or are writing, to communicate from systems they own to a client, HMI/SCADA, or historian. And, in many cases, there are dozens of applications at different sites that the data needs to reach. The question we are then presented with is, “how can I accomplish this quickly and efficiently while staying within budget?” 

Continuing our OPC Development Toolkits blog series, our hope is to answer this question and share from our experience with OPC since 1996, what our users have told us are the common reasons why they chose to use a commercial OPC server toolkit, and to help readers determine what factors to consider for their specific situation and circumstances.

In the first part of this series, we covered the basics of commercial OPC client development toolkits, with a dive into the benefits of using one, while here in part 2, our focus is on OPC server development toolkits. If you read our blog on OPC client toolkits, you will likely notice a clear overlap in the benefits you gain from using both types of commercial OPC toolkits.

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Accessing Industrial Data from OPC & SQL Sources with HTTP Clients

6 min read

By Marc Holbach on Jun 18, 2020 2:00:00 PM

Having ready access to the wide array of industrial data available in an enterprise is increasingly important these days, for a variety of reasons.  With ever-expanding applications for using "big data" towards efficiency initiatives such as digital twins, predictive analytics and predictive maintenance, having the ability to bring all of your industrial data together is essential.

In order to analyze that data, however, the upstream systems performing that analysis need access to the actual data - data that is typically widely dispersed geographically and even departmentally within locations.  One interface that is relatively common for such systems is the ability to act as an HTTP (or REST) client.

This blog post will provide an overview of an easy and secure way to share industrial process data available common OPC UA, OPC DA and SQL database sources with big data and other systems that can act as an HTTP / REST Client using the OPC Router. You'll also have a chance to download our free guide with step-by-step instructions.

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Key TOP Server for AVEVA V6.9 Features to Be Excited About

3 min read

By Kevin Rutherford on Jun 11, 2020 2:00:00 PM

In keeping with ongoing continuous improvement initiatives, TOP Server for AVEVA V6.9 expands connectivity support for several existing drivers.  This is in addition to other updates to over 25 drivers and plug-ins.

In this post, we'll cover the key features released in V6.9 in more detail, including updates to OPC UA Client driver data types and tags for EUROMAP 77 compatibility, support for additional GE Fanuc Focas parameters, expanded Torque Tool Ethernet message IDs and more, including how they benefit you as a TOP Server user.

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Connect Your Barcode Scanners to Barcode Printers

2 min read

By Kevin Rutherford on May 28, 2020 2:00:00 PM

Barcode scanners and printers are devices that are very common in a variety of industries, whether it's for use in a manufacturing process or a multitude of other possible uses.  But how do you go from scanning a barcode to printing that barcode?

In this video, we will cover how to connect to both a Datalogic barcode scanner and a Zebra barcode printer, as well as, transferring the scanned barcode data to the printer automatically.

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