Motor Starter Logic: Build a Fail-Safe System in 5 Rungs

Motor Starter Logic: Build a Fail-Safe System in 5 Rungs

Start, stop, overload. Almost every motor in a plant is controlled by those three signals, and almost every PLC programmer writes the rung that ties them together in their first week. This is the motor starter ladder logic. It is also where a surprising number of real faults come from: a stop button examined with … Read more