Tag Archives: OPC UA

The Future of MQTT?

I have an interesting history with MQTT. In the very early days, I disliked it [...]

In the OPC UA vs. MQTT Battle, Manufacturers Lose

Those of us with more gray in our hair and a more leisurely gait have [...]

OPC DA Communications

A reader sent me this question a few weeks back: “I see that OPC DA [...]

Three Things Every Beginner Should Know About OPC UA (Told by an OPC UA Newbie)

When I first decided to write a blog about the Open Platform Communications Unified Architecture [...]

How To Sound Smart (or at Least Literate) When Talking to Enginerds

I am always fascinated by acronyms. So many of them have different meanings depending on [...]

Single Pair Ethernet Driving IP to the Edge (Part 2)

In my last article, I discussed the current trends that are driving the transformation of [...]

What Are the 10 Most Important Questions to Ask About Modbus?

Modbus RTU will live forever. With its simplicity, ease of use, world-wide implementation, and small [...]

MQTT Grows Up

Over the years, I have been critical of the MQTT protocol. I am a manufacturing [...]

It’s a Polyglot World, After All…

An Introduction to Siemens Controllers for AB Control Engineers Manufacturing is now a “polyglot” or [...]

Where Modbus Still Make Sense

I’d be willing to bet that if I tried to pawn off my old Betamax [...]