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          4. Type 4 safety light curtain
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          7. Main Unit, General-purpose Type, 14 Optical Axes

          Safety Light CurtainSL-C series

          Main Unit, General-purpose Type, 14 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)

          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

          ø45 mm*2

          No. of beam axes


          Detection zone

          520 mm

          Protection area

          605 mm


          0.3 to 9 m

          Beam axis interval

          40 mm

          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 *3

          OFF-state voltage

          2.5 V (with a cable length of 7 m)

          Leakage current

          100 µA maximum*4

          Max. capacitive load

          2.2 µF (with a load resistance of 100 Ω)

          Load wiring resistance

          2.5 Ω maximum*5

          Approved standards





          FCC Part15 Class A


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

          Current consumption


          60 mA


          70 mA


          Power voltage

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

          Environmental resistance

          Enclosure rating

          IP65 (IEC60529)

          Ambient light

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

          Operating ambient temperature

          -10 to +55 °C (No freezing)

          Storage temperature

          -10 to +60 °C (No condensation

          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, 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 390 g


          Approx 430 g

          *1 OFF→ON return time is 125 ms.
          *2 If the SL-CL Series, which has a minimal detection object diameter of 45 mm, is used in conjunction with the SL-R12EX, the blanking function and muting function cannot be used.
          *3 Note the derating illustrated in the graph to the right when using PNP output.
          *4 This includes situations in which the SL-C Series is off and in which the power supply line is disconnected.
          *5 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

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