what is the difference between PLC & DCS

Answer Posted / waqas

PLC is Programmable Logic Controller
DCS is Distributed Control System
PLC is just a monitoring/controlling device for a specific
application and it controls through its IO blocks.
DCS covers a wider aspect and it gathers information form
many PLCs and perform operations as per the Machine
Operator instructions.

Is This Answer Correct ?    13 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why mmwc unit is used?

765


How to calibrate H2s Dectector

1189


Which language of programing is popular? how can i learn it ?

1710


why I need valve guard and whats different between guard and positioner ??

877


types of cable..? Use of every types of cable..?

1601






what deference between panel earth and systemearth

1766


How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

1277


pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

2668


What is the difference between ff transmitter and non ff transmitter

1974


May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1609


What is wet leg condition and why is it used?

1554


any questions on motor and energy conversions machines?

1783


What is mean by analytical instrumentation?

1275


what is the calibration procedure for transweigh make weigh feeder?

3459


can you provide me full detail about instrumentation in ONGC??

1752