What is the difference between HMI and Scada?

Answer Posted / sandesh mohite

Actually HMI stands for Human machine interface previously
it was called MMI(Man Machine Interface) but MMI turm was
out due to its sexiest tone.
so hmi is Monitoring station from where u can see the
process, control the process by giving cammands via
software cmpitable to it.

Where as SCADA(Supervisory Control And Data Acquisition)
Composed of mainly two parts MTU and RTU. MTU(Master
Terminal Unit)_ to control several RTU's(Remote terminal
Unit) with wire or wireless technology.
SCADA is composed of many HMI's.

Is This Answer Correct ?    4 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

explain key exchanges in all security modes WPA,WPA2,TLS?

1491


What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?

2019


Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

10394


key exchanges in wpa,wpa2,tls

1499


defination of radial vibration?

1661






what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?

1493


how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

1667


selection criteria of control valve? and selection criteria of actuator explain in brief?

3642


dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

1394


how to work MIL contol valve posistioner ?

1695


WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1538


Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

1730


i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

2654


what is diffrance between FF & SMART, explain with difination

2685


what is the difference between -24 : +24 & 0:24 and where it use?

1624