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          7. Main Unit, Robust Type, 16 Optical Axes

          Safety Light CurtainSL-C series

          Main Unit, Robust Type, 16 Optical Axes


          [Discontinued model]

          This model has been discontinued.

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          Effective aperture angle

          Max. ±2.5° (when operating distance is at least 3 m 9.8')

          Response time

          15 ms *1

          Light source

          Infrared LED (850 nm)

          Operation mode

          Turned on when light is being applied to all optical axes (excluding when the blanking function is used)

          Detection capability

          ø25 mm (when the blanking function is not used)

          No. of beam axes


          Detection zone

          300 mm 11.81"

          Protection area

          345 mm13.583"

          DetectingdistanceTransmitter lens: Norbornene plasticReceiver lens cover: Polyarylate

          0.25 to 9 m

          Beam axis interval

          20 mm 0.79"

          Lens diameter

          OSSD output

          Output type

          2 outputs each for PNP and NPN, Can be switched using the connection connector cable

          Max. load current

          300 mA *2

          OFF-state voltage

          2.5 V (with a cable length of 7 m 23.0')

          Leakage current

          100 µA maximum*3

          Max. capacitive load

          2.2 µF (with a load resistance of 100 Ω)

          Load wiring resistance

          2.5 Ω maximum*4

          Approved standards



          IEC61496-1, EN61496-1, UL61496-1


          EN55011 Class A, FCC Part15 Class A


          IEC61496-1, EN61496-1, UL61496-1 (type 4 ESPE),IEC61496-2, EN61496-2, UL61496-2 (type 4 AOPD),UL508

          Current consumption


          61 mA


          71 mA


          Power voltage

          24 VDC ±10 %, Ripple (P-P) 10 % or less

          Environmental resistance

          Enclosure rating

          IP65 (IEC60529)*5

          Ambient light

          Incandescent lamp: 5,000 lux or less, Sunlight: 20,000 lux or less

          Operating ambient temperature

          -10 to +55 °C 14 to 131 °F (No freezing)

          Storage temperature

          -10 to +60 °C 14 to 140 °F (No freezing)

          Operating relative humidity

          35 to 85 % RH (No condensation)

          Storage relative humidity

          35 to 95 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 0.7 mm 0.03", 20 sweeps in each of the X, Y, and Z directions

          Shock resistance

          100 m/s2 (Approx. 10 G), 16 ms pulse, 1,000 times in each of the X, Y, and Z directions



          Approx 1.3 kg


          *1 OFF→ON return time is 125 ms.
          *2 Note the derating illustrated in the graph to the right when using PNP output.
          *3 This includes situations in which the SL-C Series is off and in which the power supply line is disconnected.
          *4 The wiring resistance between the OSSD output and the connected equipment (excluding the wiring resistance of the optional dedicated cable) must be 2.5 Ω or less to ensure that the SL-C Series operate correctly. If using the NPN output
          *5 The SL-CHM Series attains a protection rating of IP65 because the main unit's sensor is enclosed in an aluminum case.

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          KEYENCE CORPORATION OF AMERICA 500 Park Boulevard, Suite 200, Itasca,
          IL 60143, U.S.A.
          Phone: 1-888-KEYENCE [1-888-539-3623]
          Career Opportunities: KEYENCE Career Site