Author Archives: John S Rinaldi

The Control Engineer’s Guide to Amazon AWS – Part 1

It’s not news that Amazon AWS is a growing presence on factory floors across the [...]

What In The World Is A Single Protocol Gateway

One of the really great things about having a good communication channel with customers is [...]

Even More On Normalization of PLC Data Tags

I’ve written a number of articles in the past on normalizing PLC data especially Allen-Bradley [...]

The Always Confusing World of Data Scaling and Normalization

Many IIoT devices create ‘landfills’ of unusable data because it hasn’t been standardized, scaled or [...]

Celebrating a Grand Experiment

Most of us have just celebrated the 4th of July. We were all outside with [...]

Network Address Translation: What You Don’t Know Can Hurt You!

There is little in automation that is used more often and is less difficult to [...]

New Support for Siemens Data Blocks!

It’s not often that I get to announce something really cool, but today’s an exception. [...]

Web Servers for Allen-Bradley PLCs – Part 2

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

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 [...]

OPC DA Communications

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