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What is the difference between HMI,SCADA and MMI,not
abbrevation?
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Answer Posted / akanksha
Hey, HMI and MMI are same, Graphical units. You can say,
Hardware Which can give view of system's process. One can
input data from it as well.
Now a days we can have PLC's which have graphical units but
usually process related decision making is not work of
GU,they are only done through if operator decides something.
In case of SCADA we can have all decision making and
Graphic display through it. Hence in that case you can
operate your plant through SCADA or can integrate number of
PLC and HMI in single SCADA to operate from main control
room as supervisory unit.
| Is This Answer Correct ? | 28 Yes | 4 No |
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