DOUBLE TECHNOLOGY DETECTOR - ADDRESSABLE IDENTIFICATION

Detector principle: 

Smoke: 
Photoelectric detection of light scattered by smoke particles 

Heat: 
Temperature sensitive resistance 

Type code: 
Bits: (2 1 0 4 3) 1 0 1 1 1 
Supply wiring: Two-wire supply, polarity insensitive 

Terminal functions: 
L1&L2 supply in and out connections (polarity insensitive)

Operating voltage: 
17-28V DC 

Communications protocol: 
5-9V peak to peak 

Quiescent current: 
500µA average 750µA peak 

Power-up surge current: 
1mA 

Maximum power-up time: 
10s 

Alarm LED current: 
3.5mA 

Remote LED current: 
4mA at 5V (measured across remote load) 

Clean air analogue value: 
23 +4/-0 Alarm level analogue value: 55