Tag Archives: OPC UA

The Big Problem for Device Manufacturers

I had a very interesting call the other day from a guy in the controller [...]

OPC – Are its days numbered?

It’s hard to work almost anywhere in the automation industry without knowing something about OPC. [...]

The Chicken-or-Egg Problem around OPC UA Security

If you read any of the OPC UA literature, or study the books I’ve written [...]

ControlLogix and Printing

The words, “ControlLogix” and “printing” aren’t often found together in the same sentence. For eons [...]

The Odd Couple: OPC UA and Modbus

If you’ve been around this planet for a while I’m sure you’ve run into the [...]

What’s ‘Open’ on the Factory Floor is Not What’s ‘Open’ to IT

Moving is supposed to be the third most stressful event, outranked only by death and [...]

Architecting OPC UA Systems

As most of you know, I’m a huge fan of OPC UA. Have been since [...]

OPC Day Europe Part of IT2Industry/Automatica

OPC Day Europe was held last month in Munich, Germany. It’s one of the annual [...]

Not OPC UA’s Time in the Sun

I try very hard to not write anything controversial. It’s not that I shy away [...]

Sharing the Trade Floor with President Obama

I recently returned from Hannover Messe (‘messe’ is German for ‘fair’), my first visit to [...]