RL28-55-LAS-2840/47/115b Retroreflective sensor

Key Benefits at a Glance

Visible red light, pulsed LASER light
High operating range
Ultra bright LEDs for power on, weak signal indication and switching state
Not sensitive to ambient light, even with switched energy saving lamps
Protection class II

Product photo: Retroreflective sensor RL28-55-LAS-2840/47/115b

Dimensions: Retroreflective sensor RL28-55-LAS-2840/47/115b

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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Technical data of RL28-55-LAS-2840/47/115b

Retroreflective sensor with polarization filter

Effective detection range

0 ... 30 m

Reflector distance

0.3 ... 30 m

Threshold detection range

42 m

Reference target

MH82 reflector

Light source

laser diode

Light type

modulated visible red light

Polarization filter

yes

Laser nominal ratings

Note		LASER LIGHT , DO NOT STARE INTO BEAM
Laser class		1
Wave length		650 nm
Beam divergence		< 1.5 mrad
Pulse length		approx. 4.5 µs
Repetition rate		approx. 6 kHz ... 20 kHz
max. pulse energy		4 nJ

Diameter of the light spot

approx. 45 mm at 30 m

Opening angle

Emitter: < 0.1 ° Receiver: < 2 °

Ambient light limit

50000 Lux

MTTF_d		560 a
Mission Time (T_M)		20 a
Diagnostic Coverage (DC)		0 %

Operation indicator		LED green
Function indicator		2 LEDs yellow, light up when light beam is free, flash when falling short of the operating reserve, are off when light beam is interrupted
Control elements		sensitivity adjustment (Adjustment to < 25% of the effective operating range)

Operating voltage	U_B	10 ... 30 V DC
Ripple		max. 10 %
No-load supply current	I₀	≤ 35 mA
Protection class		II, rated insulation voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1

Switching type		light-on
Signal output		2 PNP, complementary, short-circuit protected, reverse polarity protected , open collectors
Switching voltage		max. 30 V DC
Switching current		max. 200 mA
Voltage drop	U_d	≤ 2.5 V DC
Switching frequency	f	1000 Hz
Response time		0.5 ms

Product standard		EN 60947-5-2
Laser safety		EN 60825-1

Protection class		II, rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1
UL approval		E87056 , cULus Listed , class 2 power supply , type rating 1
FDA approval		IEC 60825-1:2007 Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007

Ambient temperature		-10 ... 50 °C (14 ... 122 °F)
Storage temperature		-40 ... 60 °C (-40 ... 140 °F)

Degree of protection

IP67

Connection

fixed cable 230 mm with M12 x 1 male connector, 4-pin

Material

Housing		Plastic ABS
Optical face		Plastic pane

Mass

80 g

Dimensions

Height		88 mm
Width		25.8 mm
Depth		54.3 mm

General Notes