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    Sensor

    Fork sensors SICK WFM

    Type:WFM180-120N321
    Part no.:6037838
    Features
    Functional principle Optical detection principle
    Dimensions (W x H x D) 10 mm x 200 mm x 141.8 mm
    Housing design (light emission) Fork shaped
    Fork width 180 mm
    Fork depth 124 mm
    Minimum detectable object (MDO) 1 mm
    Light source LED, red
    Adjustment None

    Mechanics/electronics
    Supply voltage 10 V DC ... 30 V DC 1)
    Ripple < 10 % 2)
    Current consumption < 20 mA 3)
    Switching frequency 4 kHz 4)
    Response time 125 µs 5)
    Stability of response time ± 15 µs
    Switching output NPN
    Switching output (voltage)

    PNP: HIGH = VS – ≤ 1.5 V / LOW = 0 V

    NPN: HIGH = approx. VS / LOW ≤ 1.5 V

    Switching mode Dark switching
    Output current Imax. 100 mA
    Initialization time 140 ms
    Connection type Connector M8, 3-pin
    Protection class III 6)
    Circuit protection

    UV connections, reverse polarity protected

    Output Q short-circuit protected

    Interference pulse suppression

    Enclosure rating IP67
    Weight Approx. 80 g ... 190 g 7)
    Housing material Metal, Aluminum
    • 1) Limit values, reverse-polarity protected, operation in short-circuit protected network: max. 8 A.
    • 2) May not exceed or fall below Uv tolerances.
    • 3) Without load.
    • 4) With light/dark ratio 1:1.
    • 5) Signal transit time with resistive load.
    • 6) Reference voltage DC 50 V.
    • 7) Depending on fork width.

    Ambient data
    Ambient operating temperature –10 °C ... +60 °C 1)
    Ambient temperature, storage –40 °C ... +80 °C
    Ambient light immunity ≤ 10,000 lx
    Shock load According to EN 60068-2-27
    UL File No. NRKH.E191603 & NRKH7.E191603
    • 1) Do not bend below 0 °C.

    Classifications
    ECl@ss 5.0 27270909
    ECl@ss 5.1.4 27270909
    ECl@ss 6.0 27270909
    ECl@ss 6.2 27270909
    ECl@ss 7.0 27270909
    ECl@ss 8.0 27270909
    ECl@ss 8.1 27270909
    ECl@ss 9.0 27270909
    ECl@ss 10.0 27270909
    ECl@ss 11.0 27270909
    ETIM 5.0 EC002720
    ETIM 6.0 EC002720
    ETIM 7.0 EC002720
    ETIM 8.0 EC002720
    UNSPSC 16.0901 39121528

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