Architecture of Wireless Supervisory Control and Data Acquisition System

SCADA is a system that collects data from various sensors at a factory, plant or in other remote locations and then sends this data to a central computer which then manages and controls the data. On its early days, SCADA was designed to be in a private network utilizing line communication. As the scope becomes larger, utilizing line communication becomes impractical therefore integrating wireless communication to SCADA was introduced. This paper describes an Architecture of SCADA in wireless mode. The transmission of communication through the internet, its advantages and disadvantages are also discussed. Key-Words: SCADA, Mobility, Wireless, Control Systems