Miniature photoelectric sensors
W4

WLD4FP-213121A0ZZZ
Illustration may differ
WLD4FP-213121A0ZZZ
1121472

Log in to get your price and the estimated date of arrival

Copy shortlink
  • Technical details
  • Downloads
  • Accessories
  • Applications
  • Videos
  • Service and Support
  • Customs data
  • Show all
    Hide all
    • Features
      Functional principlePhotoelectric retro-reflective sensor
      Functional principle detailWith minimum distance to reflector (dual lens system)
      Sensing range
      Sensing range min.0 m
      Sensing range max.4.5 m
      Maximum distance range from reflector to sensor (operating reserve 1)0.015 m ... 4.5 m
      Recommended distance range from reflector to sensor (operating reserve 3,75)0.035 m ... 3.9 m
      Reference reflectorReflector P250
      Recommended sensing range for the best performance0.035 m ... 3.9 m
      Polarisation filtersYes
      Emitted beam
      Light sourcePinPoint LED
      Type of lightVisible red light
      Shape of light spotPoint-shaped
      Light spot size (distance)Ø 38 mm (1,000 mm)
      Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)< +/- 1.5° (at Ta = +23 °C)
      Key LED figures
      Normative referenceEN 62471:2008-09 | IEC 62471:2006, modified
      LED risk group markingFree group
      Wave length635 nm
      Average service life100,000 h at Ta = +25 °C
      Adjustment
      None–
      Indication
      LED greenOperating indicator
      Static on: power on
      LED yellowStatus of received light beam
      Static on: object not present
      Static off: object present
      Flashing: Below the 1.5 function reserve
    • Safety-related parameters
      MTTFD1,390 years
      DCavg0 %
      TM (mission time)

      20 years (EN ISO 13849)

      Rate of use: 60 %

    • Electrical data
      Supply voltage UB10 V DC ... 30 V DC 1)
      Ripple≤ 5 Vpp
      Usage category

      DC-12 (According to EN 60947-5-2)

      DC-13 (According to EN 60947-5-2)

      Current consumption≤ 20 mA, without load. At UB = 24 V
      Protection classIII
      Digital output
      Number1
      TypePush-pull: PNP/NPN
      Signal voltage PNP HIGH/LOWApprox. UB-2.5 V / 0 V
      Signal voltage NPN HIGH/LOWApprox. UB / < 2.5 V
      Output current Imax.≤ 100 mA
      Circuit protection outputsReverse polarity protected
      Overcurrent protected
      Short-circuit protected
      Response time≤ 500 µs
      Repeatability (response time)150 µs 2)
      Switching frequency1,000 Hz 3)
      Pin/Wire assignment
      Function of pin 4/black (BK)Digital output, light switching, object present → output Q LOW
      • 1) Limit values.
      • 2) Signal transit time with resistive load in switching mode.
      • 3) With light/dark ratio 1:1.
    • Mechanical data
      HousingRectangular
      Design detailFlat
      Dimensions (W x H x D)16 mm x 40.1 mm x 12.1 mm
      ConnectionConnector M8, 3-pin
      Material
      HousingPlastic, VISTAL®
      Front screenPlastic, PMMA
      Male connectorPlastic, VISTAL®
      WeightApprox. 30 g
      Maximum tightening torque of the fixing screws0.4 Nm
    • Ambient data
      Enclosure rating

      IP66 (EN 60529)

      IP67 (EN 60529)

      IP69 (EN 60529)

      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      Typ. Ambient light immunity

      Artificial light: ≤ 50,000 lx

      Sunlight: ≤ 50,000 lx

      Shock resistance30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks (EN60068-2-27))
      Vibration resistance10 Hz ... 1,000 Hz (Amplitude 1 mm, 3 x 30 min (EN60068-2-6))
      Air humidity35 % ... 95 %, Relative humidity (no condensation)
      Electromagnetic compatibility (EMC)EN 60947-5-2
      Resistance to cleaning agentECOLAB
      UL File No.NRKH.E181493 & NRKH7.E181493
    • Classifications
      eCl@ss 5.027270902
      eCl@ss 5.1.427270902
      eCl@ss 6.027270902
      eCl@ss 6.227270902
      eCl@ss 7.027270902
      eCl@ss 8.027270902
      eCl@ss 8.127270902
      eCl@ss 9.027270902
      eCl@ss 10.027270902
      eCl@ss 11.027270902
      eCl@ss 12.027270904
      ETIM 5.0EC002717
      ETIM 6.0EC002717
      ETIM 7.0EC002717
      ETIM 8.0EC002717
      UNSPSC 16.090139121528
    Show all
    Hide all

    Technical drawings

    WLD4FP-213121A0ZZZ
    Connection type Connector M8, 3-pin
    WLD4FP-213121A0ZZZ
    Connection diagram Cd-045
    WLD4FP-213121A0ZZZ
    Truth table Push-pull: PNP/NPN - light switching Q
    WLD4FP-213121A0ZZZ
    Truth table Push-pull: PNP/NPN – dark switching Ǭ
    WLD4FP-213121A0ZZZ
    Characteristic curve Reflective tape
    WLD4FP-213121A0ZZZ
    Characteristic curve Standard reflectors
    WLD4FP-213121A0ZZZ
    Characteristic curve Fine triple reflectors
    WLD4FP-213121A0ZZZ
    Characteristic curve Chemical-resistant reflectors
    WLD4FP-213121A0ZZZ
    Light spot size
    WLD4FP-213121A0ZZZ
    Sensing range diagram Standard reflectors
    WLD4FP-213121A0ZZZ
    Sensing range diagram Reflective tape
    WLD4FP-213121A0ZZZ
    Sensing range diagram Fine triple reflectors
    WLD4FP-213121A0ZZZ
    Sensing range diagram Chemical-resistant reflectors
    WLD4FP-213121A0ZZZ
    display and adjustment elements
    WLD4FP-213121A0ZZZ
    Dimensional drawing
  • View: View Gallery View List Show all
    Hide all
    Show all
    Hide all