LA28/LK28-FC-Z/31/116 Fire protection thru-beam sensor

Teknik Veriler

Effective detection range

0 ... 10 m

Threshold detection range

10 m

Light source

LED, 660 nm and IRED, 880 nm

Light type

modulated visible red light and modulated infrared light

Alignment aid

LED red (in receiver lens) illuminated constantly: beam is interrupted, flashes: reaching switching point, off: sufficient operating reserve

Diameter of the light spot

approx. 0.2 m at 10 m

Opening angle

Emitter 1.2°, Receiver 5°

Ambient light limit

50000 Lux

MTTF d

490 a

Mission Time (T M )

20 a

Diagnostic Coverage (DC)

0 %

Operation indicator

LED green

Function indicator

LED yellow: 1. LED lit constantly: signal > 2 x switching point (operating reserve) 2. LED flashes: signal between 1 x switching point and 2 x switching point 3. LED off: signal < switching point

Control elements

Light-on/dark-on changeover switch ; Time adjuster

Operating voltage

U B 12 ... 240 V AC/DC

Power consumption

P 0 ≤ 3.5 VA

Switching type

light/dark on, switchable . (selectable, light/dark switching is only activated if the receiver has 'dark on' selected.)

Signal output

Relay, 1 alternator

Switching voltage

max. 250 V AC/DC

Switching current

max. 2 A

Switching power

DC: max. 50 W AC: max. 500 VA

Switching frequency

f 25 Hz

Yanıt Süresi

20 ms

Timer function

ON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-OFF delay (GAN-GAB), programmable adjustment range 0.1 ...10 s