They compared a Python-based control loop on a Raspberry Pi 3B against an C0-12DD1E-2-D AutomationDirect CLICK Programmable Logic Controller using a simple water heating example.

28 thoughts on “ Build Your Own Programmable Logic Controller ” ... PLCs were the next step from relay control blocks. So basically, all those ... What is Main Difference b/w PLC and MCU ...

A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. 1.

Ladder logic is the basis of most control functions. Ladder logic uses switch or relay contacts to implement Boolean expressions. In years past, ladder logic was made possible with discrete relays and ...

When a PLC (programmable logic controller) and microcomputer communicate in real-time systems, the technique of real-time communication between PLC and microcomputer is used in many areas. This paper ...