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  6. RLK28-55/31/116

RLK28-55/31/116 Retroreflective sensor

Key Benefits at a Glance

  • Universal series with highly versatile fields of use
  • Resistant against noise: reliable operation under all conditions
  • Version with red light
  • Version with relay output
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Product photo: Retroreflective sensor RLK28-55/31/116
Dimensions: Retroreflective sensor RLK28-55/31/116
Product photo: Retroreflective sensor RLK28-55/31/116
Dimensions: Retroreflective sensor RLK28-55/31/116
Product Compliance: EU - protection class II
Product Compliance: Europe – CE
Product Compliance: China – CCC
Product Compliance: United Kingdom – UKCA
Product Compliance: USA - cULus
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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DatasheetFunctionClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of RLK28-55/31/116

Retroreflective sensor with polarization filter
Effective detection range0 ... 17 m
Reflector distance0.05 ... 17 m
Threshold detection range21 m
Reference targetH85-2 reflector
Light sourceLED
Light typemodulated visible red light
Polarization filteryes
Diameter of the light spotapprox. 290 mm at a distance of 17 m
Opening angleemitter 1.2°
receiver 2°
Ambient light limit80000 Lux
MTTFd600 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Operation indicatorLED green
Function indicator2 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 elementssensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
Operating voltageUB12 ... 240 V AC/DC
Power consumptionP0≤ 3.5 VA
Switching typelight/dark on switchable
Signal outputRelay, 1 alternator
Switching voltagemax. 250 V AC/DC
Switching currentmax. 2 A
Switching powerDC: max. 50 W AC: max. 500 VA
Switching frequencyf25 Hz
Response time20 ms
Product standardEN 60947-5-2
Protection classII, 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.
UL approvalE87056 , 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.
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 60 °C (-40 ... 140 °F)
Degree of protectionIP67
Connectionterminal 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
Material
HousingPlastic ABS
Optical facePlastic pane
Mass112 g
Dimensions
Height88 mm
Width25.8 mm
Depth65.5 mm
General Notes