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Category Archives: RTA’s Blog

PackML Transforms Control Engineers into Renaissance Men
PackML Transforms Control Engineers into Renaissance Men

I once had an employer who I found awfully difficult to work with at times. [...]

08
Jun
Allen-Bradley PLCs with or without an embedded web server
Web Servers for Allen-Bradley PLCs – Part 2

The previous article in this series discussed what web servers are and how they function [...]

01
Jun
Web Servers for Allen-Bradley PLCS - Part 1
Web Servers for Allen-Bradley PLCs – Part 1

If you’re like the typical factory floor engineer, you’re probably not very familiar with web [...]

25
May
Ready to Digitalize Your Factory Floor? Think Again.
Ready to Digitalize Your Factory Floor? Think Again.

One of my favorite people in the world is my grandmother, I always try to [...]

18
May
OPC DA Communications

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

11
May
Data Highway (DH+) Revisited
Data Highway (DH+) Revisited

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

04
May
3 Things Every Beginner Should Know About OPC UA (Told by an OPC UA Newbie)
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 [...]

27
Apr
EtherNet/IP Limitations
EtherNet/IP Limitations

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

20
Apr
4 Things Every Beginner Should Know About EtherNet/IP (Told by an EtherNet/IP Beginner)
Four Things Every Beginner Should Know About EtherNet/IP (Told by an EtherNet/IP Beginner)

Believe it or not, I am not the most tech-savvy guy. My friends in high [...]

13
Apr
Things modbus doesn't do well
What Modbus Doesn’t Do Very Well

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

06
Apr