Telemetry, a word receiving a lot of attention lately is simply put: The remote measurement, control and reporting of information. In the past, telemetry was a playground for only the biggest and well-funded of organizations. NASA was one of the first bodies to have extensively used telemetry in their space programs to remotely monitor equipment in space here from earth. Major oil, gas and electric utility companies soon followed suit, but because of the prohibitive cost involved, telemetry was not an option for most companies. Measurement and control was mainly achieved by on-site operational personnel.
As technology advanced, it became possible to remotely monitor systems by means of traditional fixed line data systems. However, utilizing fixed lines for remote monitoring and measurement is expensive and in some cases where sites are located in very remote geographical locations, not an option.
Over the past few years the cost of wireless GSM GPRS data network services has made data communication across GSM networks affordable, opening up telemetry to a much wider audience. M2M (Machine-to-machine) applications across GSM GPRS data networks are now a viable option.
Some of these applications include:
- Control and monitoring of machines.
- Measuring of pressure, heat sensors.
- Weather monitoring.
- Control of signs and other road side traffic equipment.
- Access Control systems.
- Measurement of electrical substations.
To enable multiple devices to connect to GSM, a gateway is required, which acts as a point of entry/exit to and from your remote sites and machines. The Multenet Mobile Router provides the platform when connecting to remote sites. Low cost and easy to implement, the Mobile Router is a robust and secure cellular router offering connectivity at a low cost. An integrated GSM GPRS/EDGE module provides connectivity to the cellular networks, a serial interface provides connectivity for legacy serial equipment such as PLCs, and RTUs, and a Ethernet interface allows access to any Ethernet enabled devices over the existing Ethernet network.
For more information please contact:
Multenet Technologies
Tel: +27 21 882 8811 fax +27 21 882 8825
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