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 …
Communication
Communication
What is ModBus, and How does it work?
What Is Modbus? Modbus is an open, royalty-free, client/server (formerly master/slave) communication protocol created by Modicon (now Schneider Electric) in 1979 for their programmable logic controllers (PLCs). Today, what is Modbus? It’s the most widely …
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 …
4-20 mA Current Loop
The 4–20 mA current loop is a foundational technology in industrial automation, renowned for its reliability, simplicity, and resilience in transmitting analog signals over long distances. This article delves into the intricacies of the 4–20 …