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Intelligent optical smoke detector with isolator

Intelligent optical smoke detector for D - Loop with two optical sensors and a bidirectional isolator according to EN 54-7 /-17 /-18

Art-Nr.: DL-520-2O | OA15

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Highest reliability by optimal adjustment of the alarm threshold via intelligent algorithm for the fire detection
Individual change of detector class for sensitivity levels 1 to 4 using DPT
Pollution detection of the smoke measurement chamber by an additional optical path
Detector sensitivities automatically adapted and programmable
Intelligent analysis and suppression mode for the elimination of false alarms
Fault monitoring of the measurement chamber signal and D-Loop electronics
Periodic sensor test
Automatic and manual addressing on D-Loop
Integrated isolator
Freely programmable alarm output to control parallel indicator
Functions completely integrated via D-Loop protocol
Day-/Nightmode with selectable sensitivities
Integrated event log
Multicolour LED for alarm (red) and fault (yellow)
LED blinking option for life signal or maintenance mode
Delivery including dust protection cover for installation phases

Supply Voltage	30 V to 41 V DC on 2-wire bus (nom. 40 V DC)
Quiescent Current	180 µA
Alarm Current	5 mA
Output	optional relay 0,4 A/ <30 V DC
Ambient Temperature	-10°C to +65°C
Humidity	max. 93 %
Protection Class	IP 20 B
Weight	150 g including base
Material	ABS
Color	Housing white (similar to RAL 9003)
Standards	EN 54-5, EN 54-17, EN 54-18
Dimensions (H x D)	62,6 x 104 mm
Response Sensitivity	Adjustable in 4 sensitivity levels

Additional information and downloads on our products and services are available in the protected website area. A one-time registration is necessary to receive the

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