Master Terminal Unit (MTU)

 
Master Terminal Unit (MTU) is Operator interface and operator intervention tools are usually located in a central location (MTU). This interface is normally called “operator workstation”.

The CONTROL ROOM  composed of:

PC or PLC with monitors, Keyboards, Mouse , printers, switches, pushbuttons data storage media.

 

Advantages of PLCs

   Reference : Siemens Basics of Plc  

    a PLC can  do complex tasks, replacing wiring between devices and relays by PLC

    program.Modifying the application and correcting errors are easier . program in

    a PLC easy to create and change  .

START With Programmable Logic Controller (PLC)

 

Introduction to PLC and Types of Control System

Programmable Logic Controllers ( PLCs ), are in the computer family. They are used in industrial applications. A PLC oversee inputs, run its control program then makes decisions , and controls outputs to make a process or machine run automatically. I will discuss basic information on the  of  PLCs functions and configurations