The many similarities between the ladder diagrams used to program PLCs and the relay ladder logic formerly used to control industrial systems eased the transition from hardwired relay systems to ...

The programmable logic controller (PLC) is a microprocessor-based system that accepts input data from switches and sensors, processes that data by making decisions in accordance with a stored program, ...

The solution proposed involves a modular approach, combining ladder logic for easy troubleshooting with function blocks written in preferred languages underneath, with a focus on creating modular code ...