Category Archives: RTA’s Blog
Using Real Time Automation’s A-B PLC Historian in a Closed OT System
Industrial automation has always walked a fine line between progress and protection. On one hand, [...]
Sep
Modbus RTU Over RS-485: An Engineer’s Guide to Industrial Reliability
Why Modbus RTU Over RS-485 Still Matters Despite the rise of Ethernet-based protocols like Modbus [...]
Aug
Master Slave Technology Explained: A Guide for Industrial Automation
In the world of industrial communication, master slave technology is a foundational concept that continues [...]
Jul
OPC UA 2025
I was one of the early proponents of OPC UA. I started studying, talking and [...]
May
OPC UA For Moving Factory Floor Data
What’s the best way to move factory floor data to Enterprise and Cloud applications? The [...]
May
Data Plumbing with OPC UA
I’ve long considered our company to be data plumbers. It’s a silly analogy, but we [...]
Apr
Data Historian vs Data Logger
Like many others, I am guilty of using words without much precision. One classic word [...]
Jan
Is The Human Body Circulatory System Like an Ethernet Network?
I’m a scuba diver and always anxious to get to a warm weather location with [...]
Nov
A Better Way to EtherNet/IP or PROFINET
Manufacturers love EtherNet/IP and PROFINET. Those industrial communication protocols simplify everything for them. It’s almost [...]
Oct
VLAN Confusion
I have maintained for a long time that it is hard to do IT/OT conversion [...]
Aug
