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Controlant wireless loggers run on a battery. The gateways have a rechargeable internal backup battery which can keep the system running for 12-24 hours (depending on usage) in case of power failure. The battery is a rechargeable lithium-ion battery.
System Overview
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Figure 2: Overview of the Controlant wireless monitoring system
Multiple loggers can be located on each location, connecting to one or more gateways. Data from multiple locations is gathered in a database, where customers can access it in a single interface.
Theory of Operation
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Figure 3: Block diagram of the Controlant wireless system
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A functional block diagram for the CO 13.01 wireless logger is shown in Figure 3. The RF module CC1101 is a low-power sub-1 GHz RF transceiver operating in the 868 MHz to 915 MHz ISM band.
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