What is SCADA? Role of MMI/HMI SCADA in Industrial Automation?

SCADA: Supervisory control and data acquisition

MMI: Man-Machine Interface

HMI: Human-machine Interface

This acts as an operator station.

1) - The operator can monitor as well as control the parameters from these stations.

2)- Apart from the online process data, the operator will have access to historical and real-time trends, alarms and reports.

3)- The operator can give commands to control hardware for opening the valve, change the setpoint start the pump, etc.