Remote Data Acquisition Using Wireless - Scada System White Paper Free PDF Download Link

In this paper we have developed an integrated wireless SCADA system for monitoring &  accessing the performance of remotely situated device parameter such as temperature, pressure, humidity on real time basis.

For this we have used the infrastructure of the existing  mobile network, which is based on GPRS technique Supervisory Control and Data  Acquisition (SCADA) is a field of constant development and research. This project investigates on creating an extremely low cost device which can be adapted to many different SCADA applications via some very basic programming, and plugging in the relevant peripherals.

Much of the price in some expensive SCADA applications is a result of using specialized communication infrastructure. The application of infrastructure, in the proposed scheme the cost will come down. Additionally the generic nature of the device will be assured.

Wireless SCADA deals with the creation of an inexpensive, yet adaptable and easy to use SCADA device and infrastructure using the mobile telephone network, in particular, the General Packet Radio Service (GPRS). The hardware components making up the device are relatively unsophisticated, yet the custom written  software makes it re-programmable over the air, and able to provide a given SCADA application with the ability to send and receive control and data signals at any non predetermined time.

GPRS is a packet-based radio service that enables “always on” connections, eliminating repetitive and time-consuming dial-up connections.  It will also provide real throughput in excess of 40 Kbps, about the same speed as an excellent landline analog modem connection.

From the wireless SCADA system which is proposed in setup the temperature of around 30 deg C could be sufficiently recorded from remote location. In the similar manner reading of electric energy meter could be read 223 Kilo Watt Hour (KWH) or 223 Unit.

The properly designed SCADA system saves time and money by eliminating the need of service personal to visit each site for inspection, data collection /logging or make adjustments.    

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