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What is a difference of scad and plc system?

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Question added by DIDER ALAM SARKER , Asst: Engineer of Electrical , Bashundhara paper mills ltd, (unit-03)
Date Posted: 2014/07/11

PLC means Programmable Logic Controller. It is a hardware which is used to reduce the manual power. A solid state device that controls output devices based on input states and a user developed program.

 

SCADA  means Supervisiory Control And Data Acquistion

Supervisory - Monitoring the process

Control- Controlling the process output . To change the set value, but cnt change the process.

Data Acquisition - Collection of data from the field

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