Tag Archives: I/O

EtherNet/IP Security Part 2: What It Does

CIP Security is designed to protect not only EtherNet/IP Adapter devices (end devices) from access [...]

OPC UA Isn’t the Complete Answer

As many of you know, I am a proponent of OPC UA. Have been for [...]

Other Devices

John Donne wrote the famous poem “No Man is an Island.” Personally, I’m thinking about [...]

MicroLogix PLC

The human brain is an incredible machine. Over the past few years, I’ve learned some [...]

The Cloud & EtherNet/IP

I read today that integration of the factory floor and the Cloud is THE biggest [...]

The Big Problem for Device Manufacturers

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

When NOT to Use Modbus

I’ve been writing about Modbus, Modbus RTU and Modbus TCP since I had hair, and [...]

Profibus DP: A History of Speed

Profibus is an interesting technology for a lot of reasons. It is still very dominant [...]

Implement Messaging Devices in a PLC Environment

The last article Messaging Devices Don’t get No Respect, discussed messaging devices, and why vendors [...]

IoT Transport Protocols… Not!

IoT (Internet of Things) is all the rage. Everybody is talking about it. My morning [...]