The basics of SCADA


SCADA- Supervisory Control And Data Acquisition system


What is SCADA?


  • A SCADA is Supervisory Control And Data Acquisition, a software application used for process control with Data acquisition and Communication functions.

  • A SCADA system controls and monitors an industrial process by using a controller, network interfaces, input and output communication equipment, and software. It consists of a controller, network interfaces, input and output communication equipment, and software.

  • The SCADA system not only collects data from one or more distant facilities, but it also transmits basic control operations, so there is no need for a human operator to be permanently present on the site of the facility.


The requirements for installing SCADA


  • Control industrial processes locally or at remote locations

  • Monitor, gather, and process real-time data

  • Directly interact with devices such as sensors, valves, pumps, motors, and more through human-machine interface (HMI) software

  • Record events into a log file


Architecture of SCADA




The basic components of the SCADA system are:

  • Field instrumentation
  • Remote station (RTU)
  • Communication network
  • Master station (MTU)
  • Commercial Data processing computer (client)


Advantages


  • Cheaper compare to other systems
  • Easy to operate
  • Continuous operation
  • Reliable
  • Improve maintenance, operation and customer service
  • Rapid response to emergency