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What is the difference between HMI,SCADA and MMI,not
abbrevation?
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Answer Posted / malik shams-ul-arfeen
HMI (Human Machine Interface) and MMI (Man Machine
Interface) are the same and have discussed earlier in
detail.
SCADA (Supervisory Control & Data Acusition) is a software
package which uses aur local control systems (eg. DCS or
PLC) to control or monitor " Our REMOTE location
installations"
If our Field (Hazerdouse area) and Control room (NON
Hazerdouse area) are is same geographical locations then we
dont have any need of SCADA.
But if our field and control room have different
geographical locations (Like main control room of
Offshores, gas plants / supply stations all over the
country etc) then we need SCADA integration with our MCR
control system.
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