Author Archives: John S Rinaldi

Memorial Day 2021 – Let Us Remember

“Those are those who speak about you who say, he lost a leg, she lost [...]

Nine Simple Steps to Machine Security

You and I have heard plenty over the last 18 months or so about manufacturing [...]

Data Highway (DH+) Revisited

It’s been twelve years since I did an article on DH+. That’s a long time. [...]

EtherNet/IP Limitations

I’ve probably written more about EtherNet/IP than anyone in the industrial automation industry. I’ve been [...]

What Modbus Doesn’t Do Very Well

I’ve always been a fan of Modbus. It’s simple. I like to think that it [...]

What is a Captive Portal?

I’ve written many times about how every industry and every specialty has terms that everyone [...]

The Things IT Would Never Do

In many of these articles, I’ve discussed the differences between IT and OT. They both [...]

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 [...]

2020: Not The Worst Year – Not By A Long Shot

If you’re like me, you’re still thinking “Thank God that freaking 2020 is over!” For [...]

The Massive Pothole on the Road to Digitalization

I’m sure it’s unique to me but when I sit at my desk to work, [...]