Pepperl+Fuchs RLG28-55/115b/136 217870

Manufacturer

Pepperl+Fuchs

Name

RLG28-55/115b/136

Part number

217870

Country

Germany

Type

Retroreflective Sensor

Weight (g)

118

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The RLG28 retro-reflective area sensor contains several transmitters and receivers in one housing and with a reflector positioned opposite forms a 60 mm detection area over a sensing range of 4 m. When the light beams are interrupted by an object, the switching function is triggered. The smallest detectable object size is 12 mm. The RLG28 switches at a 10% contrast difference with a response time of 1 ms. An intelligent gain control compensates for effects such as dirt, misalignment, and temperature.

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Product Description
Retroreflective area sensor with 6 beams in a widely used standard photoelectric housing, red light, 4 m detection range, light/dark on, push-pull output, fixed cable with M12 plug

General specifications
Effective detection range	0 ... 4 m
Reflector distance	Reflector A80: 0.4 ... 4 m , H85-2 reflector: 0.2 ... 4 m , Foil reflector OFR-100/100: 0.4 ... 3 m
Threshold detection range	5.6 m
Sensing range	typical 60 mm , Object has to cover the refelector completely in one dimension
Reference target	Reflector A80 H85-2 reflector Foil reflector OFR-100/100
Light source	LED
Light type	modulated visible red light , 625 nm
Polarization filter	yes
Number of beams	6
Diameter of the light spot	approx. 220 mm at detection range 4 m
Angle of divergence	+/- 2.5 °
Ambient light limit	5000 Lux
Resolution	12 mm
Functional safety related parameters
MTTFd	310 a
Mission Time (TM)	20 a
Diagnostic Coverage (DC)	0 %
Indicators/operating means
Operation indicator	LED green, statically lit Power on Undervoltage indicator: Green LED, pulsing (approx. 0.8 Hz) short-circuit : LED green flashing (approx. 4 Hz)
Function indicator	2 LEDs yellow, light up when light beam is free, flash when falling short of the stability control, off when light beam is interrupted Teach-In : LED yellow/green, equiphase flashing, 2,5 Hz Changeover signal tracking: LED yellow, 1 Hz flashing / 2x flashing
Control elements	Teach-In key
Electrical specifications
Operating voltage	12 ... 30 V DC
Ripple	max. 10 %
No-load supply current	max. 50 mA
Output
Switching type	light/dark on
Signal output	2 push-pull (4 in 1) outputs, complementary, short-circuit proof, reverse polarity protected
Switching voltage	max. 30 V DC
Switching current	max. 100 mA
Voltage drop	&le, 2.5 V DC
Switching frequency	230 Hz
Response time	1 ms
Conformity
Product standard	EN 60947-5-2
Approvals and certificates
UL approval	cULus Listed, Class 2 Power Source
CCC approval	CCC approval / marking not required for products rated &le,36 V
Ambient conditions
Ambient temperature	-30 ... 60 °C (-22 ... 140 °F) -10 ... 40 °C (14 ... 104 °F) for inactive signal tracking
Storage temperature	-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Housing width	25.8 mm
Housing height	88 mm
Housing depth	54.3 mm
Degree of protection	IP67
Connection	300 mm fixed cable with M12 x 1, 4-pin connector
Material
	Housing	Plastic ABS
	Optical face	Plastic pane
Mass	100 g