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FIDA Systems

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Analogue Addressable Systems


An analogue addressable system is one which uses analogue addressable detectors, each of which give an output signal representing the value of the sensed phenomenon. The decision as to whether the signal represents a fire or not is made at the control panel. The control panel provides a number of two wire circuits onto which detectors and call points may be connected. The two-wire circuit should be connected to form a loop in order to provide circuit integrity. Each detector has its own identity/address. The control panel, in addition to indicating the detection zone in alarm, may also be configured to give a customer-defined message for each detector. This is especially useful to an observer who is not familiar with the layout of the site. Analogue addressable systems are normally deployed in larger applications i.e. hospitals, hotels etc.

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