Pepperl+Fuchs RLK28-55-Z/31/116

Retroreflective sensor
SKU: RLK28-55-Z/31/116
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The Retroreflective sensor is part of a universal series designed for versatile applications across various industrial environments. This sensor ensures reliable operation by being resistant to noise, making it suitable for challenging conditions.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Retroreflective sensor family from Pepperl+Fuchs is engineered to provide precise detection in a wide range of automation and control applications. Utilized extensively in material handling, packaging, and assembly processes, these sensors are designed to detect objects and measure distances efficiently. Their robust design and reliable performance make them ideal for environments where precision and durability are required.

These sensors feature programmable time functions that enhance their versatility, allowing users to tailor their operation to specific tasks. The inclusion of a relay output in certain versions provides additional flexibility for integration into existing systems. The use of red light in operation ensures high visibility and accuracy, making the Retroreflective sensor suitable for both indoor and outdoor applications.

Operating voltage 12 … 240 V AC/DC
Housing depth 65.5 mm
Power consumption 3.5 VA
Light type modulated visible red light
Ambient light limit 80000 Lux
Control elements sensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
Housing width 25.8 mm
Mission Time (TM) 20 a
Connection terminal compartment with 8 spring-loaded terminals for wire cross section 0.5 … 1.5 mm2 , Insulation stripping 7.5 … 8.5 mm , M16 x 1.5 cable gland
Threshold detection range 21 m
Switching power DC: max. 50 W AC: max. 500 VA
Light source LED
Effective detection range 0 … 17 m
Polarization filter yes
Switching type light/dark on switchable
Housing height 88 mm
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
Protection class II, rated insulation voltage 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit insulated from control circuit in accordance with IEC 61140.
Caution!
The protection class 2 is only valid when the terminal compartment is closed.
Diagnostic Coverage (DC) 0 %
EAC conformity TR CU 020/2011
TR CU 004/2011
Diameter of the light spot approx. 290 mm at a distance of 17 m
UL approval E87056 , cULus Listed Caution: This equipment is considered as open-type equipment. It must be mounted within an enclosure, that is suitably designed for protection against internal fire and personal injury resulting from accessibility to live parts according UL 508.
Operation indicator LED green
Degree of protection IP67
Storage temperature -40 … 75 °C (-40 … 167 °F)
Signal output Relay, 1 alternator
MTTFd 600 a
Switching frequency 25 Hz
Ambient temperature -40 … 60 °C (-40 … 140 °F)
Switching current max. 2 A
Angle of divergence emitter 1.2�
receiver 2�
Timer function ON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-one shot (GAN-IAB), ON delay-OFF delay (GAN-GAB), programmable
adjustment interval 0.1 … 10 s
Product standard EN 60947-5-2
CCC approval Certified by China Compulsory Certification (CCC)
Switching voltage max. 250 V AC/DC
Reflector distance 0.05 … 17 m
Mass 112 g
Reference target H85-2 reflector
Response time 20 ms
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