what is the difference between the microcontroller and PLC?

Answer Posted / h v k kumar mtech,instrumentat

micro controllers used for specific task only and it cant
accept analog inputs directly.using plc we can control more
micrcontrolled based control loops.

Is This Answer Correct ?    36 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

which type inter lock use in petrochemical refinery,and oil & gas?

2629


what is stroke check for field instument transmetter's & AOV's

1722


how many types of spped sensors n vibration sensors?their basic principle n connection?

2068


I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

1389


I am using 971 Enraf radar level transmitter for LPG tanks ,the tank side indicator gives the error code 999999999FL can any body give me any diagnostic for this issue?

1752






What is profibus?

642


which processor is used in dcs.

1818


What are different type of instrument cable

1798


what is piezoelectric transducer?give an example in power plant n state its principle?

2067


Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

1763


Why do we floating DC in DC system.

2378


I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

1728


What is the use of double seated valve?

730


what is maxdna ?. explain about the software details.

3894


What is the purpose of bypass valve across AS valve.

1654