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EDWARDS°Catalog► Intelligent Initiating <br /> EDWAR S <br /> United Technologies <br /> LIFE SAFETY �- INCIDENT MANAGEMENT <br /> Intelligent <br /> Photoelectric . M.o <br /> Smoke Detector <br /> o <br /> SIGA-PS 5853 <br /> 7272-1657: <br /> 0126 <br /> Overview Standard Features <br /> The Signature Series Model SIGA-PS Intelligent Photoelectric • Integral microprocessor <br /> Smoke Detector gathers analog information from its smoke sens- . Non-volatile memory <br /> ing element and converts it into digital signals.The detector's <br /> on-board microprocessor measures and analyzes these signals. It • Automatic mapping device <br /> compares the information to historical readings and time patterns . Electronic addressing <br /> to make an alarm decision. Digital filters remove signal patterns <br /> that are not typical of fires. Unwanted alarms are virtually elimi- • Environmental compensation <br /> nated. • Intelligent detector <br /> The microprocessor in each detector provides four additional ben- e Wide 0.67%to 3.77%/ft. sensitivity range <br /> efits-Self-diagnostics and History Log,Automatic Device Map- <br /> ping, and Fast, Stable Communication. • Twenty pre-alarm sensitivity values, set in 5%increments <br /> Self-diagnostics and History Log - Each Signature Series • Identification of dirty or defective detectors <br /> detector constantly runs self-checks to provide important mainte- . Automatic day/night sensitivity adjustment <br /> nance information.The results of the self-check are automatically <br /> updated and permanently stored in the detector's non-volatile • Twin RED/GREEN status LEDs <br /> memory • Standard, relay,fault isolator,and audible mounting bases <br /> Automatic Device Mapping-The loop controller learns where • Designed and manufactured to ISO 9001 standards <br /> each device's serial number address is installed relative to other <br /> devices on the circuit.The mapping feature provides supervision <br /> of each device's installed location to prevent a detector from being <br /> reinstalled(after cleaning etc.)in a different location from where it <br /> was originally. <br /> Fast Stable Communication-On-board intelligence means less <br /> information needs to be sent between the detector and the loop <br /> controller. Other than regular supervisory polling response,the <br /> detector only needs to communicate with the loop controller when <br /> it has something new to report. <br /> Page 1 of 4 DATA SHEET E85001-0269 <br /> Not to be used for installation purpo� Issue 1 <br />