Typical circuit diagram of Star Delta starter

S0 = ‘OFF’ Push buttonS1 = ‘ON’ Push buttonK1 = Line contactorK2 = Star contactorK3 = Delta contactorK4 = Star delta timer (7PU60 20)F2 = Overload relayF1...
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Diffrence between PLC and DCS

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Programmable Logic Controller Introduction

PLC (Programmable Logic Controller) is one of electronic equipments. It was called “Sequence Controller” before. It was named “Programmable Logic Controller...
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Basic PLC Ladder Programming Example 14

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