4-20 mA Current Loop
The 4-20 mA current loop remains one of the most dominant types of analog output in the industry today. In this article I will look at the history of the 4-20 mA loop, why it …
Communication
Types of 4-20 mA Current Loop
The 4-20 mA current loop remains one of the most dominant types of analog output in the industry today. I have been working with wiring industrial transmitters for some time now, and one thing I found …
What is Modbus, and How does it work?
Modbus is one of the most common communication protocols in industrial automation. In this post, I will share with you what Modbus is, its types, advantages, when to avoid using it, and how to diagnose it. …
What is Modbus Heartbeat?
Modbus is one of the most used industrial automation protocols. In this post, I will explain what a Modbus heartbeat is and how it is used. What is Modbus Heartbeat? A heartbeat is either a bit …