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Remote Data Acquisition Using Wireless - Scada System

Author(s): Dr. Aditya Goel | Ravi Shankar Mishra

Journal: International Journal of Engineering
ISSN 1985-2312

Volume: 3;
Issue: 1;
Start page: 58;
Date: 2009;
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Keywords: Remote monitoring system | SCADA | SMS | GPRS | Sensors | Microcontroller

Supervisory Control and Data Acquisition (SCADA) is a field of constant devel¬opment 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 program¬ming, 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 “al¬ways 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.
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