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| The
intelligent
system with
smart detectors. Every component in the system, such as the dual-function smoke and heat detector shown here, is equipped with intelligence in the form of a microprocessor. This provides a mumber of benefits, both when it comes to the technical function and in the shape of flexibility and extension potential. When the Salwico CS3000 was developed, one of the principal requirements was that is should be designed to match the most varied needs; from small and medium sized to extremely large alarm systems. The summary and the system overview explains just how large these systems can be. In practice, the size limitations are no problem whatsoever in the vast majority of cases, both within industry and in large hospitals, hotels and ships. Especially as the intelligent communication methods also permits very long detector loops. Intelligence in every unit As each detector has its own microprocessor which is tailored for this specific purpose the level of reliability is far higher than that offered by centrally-controlled systems In centrally-controlled systems, the central unit constantly collect measurement values from every detector and then decide whether the alarm limit has been exceeded at any point. In the Salwico CS3000, each individual detector is able to decide for itself whether the volume of smoke particles (or the temperature of the light emitted by flames, for example) exceeds the pre-programmed limit. If so, it triggers the alarm. As the system is also fully addressable every detector identifies itself by giving its address and type-the central unit can directly identify the detector which triggered the alarm. The correct action can then be taken at an early stage so that the damage is kept to a minimum. The time-controlled calibration of the "clean aiC level is an additional security function. The system takes account of normal detector contamination and compensates for it as time passes. |
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Copyright 2001 © System Building Industry. All rights reserved.
Copyright 2001 © System Building Industry. All rights reserved.