What is the difference between a PLC (Programmable logic
controller) and DCS (distributed control system)?

Answer Posted / sooraj unnithan

Number of pid blocks are more in dcs compared to plc

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

2019


what is the criteria to decide conductor size of a cable ?

1296


why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2217


what is easiest way to read STL language in PLC?

2673


I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.

1509






PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

1542


hi! i want to know about mpse exam.

1796


PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3474


How to Calibrate Temperature Switch in field

816


Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

1843


The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

1851


Emergency Shutdown Systems/ Plant Shutdown System.

1763


Which is your favourite subject & explain any one topic of it.

9007


what will the sending unit in the fuel gauge utilizes?

1475


How to work togather like sov,limit switch,proxy switch and booster in xv

3753