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Which unit of SCADA is used to collecting the data and store the data in database, provide the interface to operator and send the information to other system?

Which unit of SCADA is used to collecting the data and store the data in database, provide the interface to operator and send the information to other system? Correct Answer MTU (Master Terminal Unit)

RTU (Remote terminal unit):

A remote terminal unit (RTU) is a microprocessor-controlled device that interfaces measured physical quantity to a distributed control system or SCADA system by transmitting telemetry data to a master system, and by using messages from the master supervisory system to control connected objects.

HMI (Human-machine interface):

It is a user interface that is a combination of hardware and software that permits easy interaction between human and machine.

Such an interaction between humans and machines is to control and monitor the processes ongoing at the remote locations without physically being present at that particular location.

The human-machine interface is a crucial component of automated industrial processes and thus is of significant importance in SCADA systems.

MTU (master terminal unit):

Master terminal units (MTU) in SCADA system is a device that issues the commands to the Remote Terminal Unit (RTUs) which are located at remote places from the control, collect the required data, stores the data information, and process the information, and display the information in the form of pictures, curves, and tables to human interface and help to control decision.

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