Answer / kesava reddy .g

Normmally PLC is Programmable logic controller used to
automate the process / machines to reduce manual
interactions and to increase the productivity and quality.

Answer / achyuth

PLC is a Programmable logic device which is connected to the field instruments for controlling and monitoring using certain languages like LADDER LOGIC, FUNCTIONAL BLOCK, STRUCTURED TEXT, INSTRUCTION LIST, SEQUENTIAL FLOW CHARTS.

WHAT IS TSI? HOW ITS WORK

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on which principle control valve works?

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why used three wire in RTD.

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