What is the difference between HMI and SCADA?

Answer Posted / ashish gupta

HMI(Human Machine Interface) is a system that shows the
plant parameters to human operator, operator only can see
the parameters and cannot change them.
Where as SCADA is a system which shows the parameters and
also logs the data and alarms and through this data also can
be changed.

Is This Answer Correct ?    5 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

can any send me a forbes marshall dtron 316 manual

1474


if in a level tx height is given, how u calculate the ranges of the tx?

6414


what is interlock system and why we use of this?

1449


How will you calibrate PID controller? explain with example.

1976


we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

1769






What is intrinsic safety mean.

1470


What is the use of gauge?

695


With N nodes and B branches what will have a network ???

1533


Why thermo wells are used? What materials are used in thermo wells?

659


anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

5565


What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2164


We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.

1762


what is the diffrence between pressure safety valve & pressure relief valve....pls

1733


please send me the inteview questions in IOCL

1770


What is the use of GMV in turbine?

3737