Block Diagram of PLC

Block Diagram of PLC

Above is Block diagram of PLC. Devices connected to input side is called as Input devices like Limit Switch, Select switch, Push Button and Sensors. And output devices connected to output side. Output devices are motor, Solenoid volve, Lamp. Operation Logic is written in PLC program memory using Engineering tool all PLC manufacturers have their own Engineering tool. Like Mitsubishi have GX Works3 Siemens have TIA portal.

Categories PLC

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