What is the different between ESD & PLC.

Answer Posted / rajesh.m.kon

ESD- Emergency shutdown... it is for shutdown the total plant
during or in-case of any emergency like,high pressure accured
in process , instrument air failure, or any utility failure.

PLC- programmable logic controller.. by implementing logic or
program's , we can achieve the ESD by using PLC

so ESD is a kind of logic, PLC is a hardware.

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