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          Digital Fiber Optic SensorsFS-V20 series


          Fiber Amplifier, Cable Type, Expansion Unit, NPN

          [Discontinued model]

          This model has been discontinued.

          Recommended Replaceable Products
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          Expansion unit: Infrared LED

          Light source LED

          Infrared LED (950 nm)

          Response time

          250 µs (FINE) /500 µs (TURBO) /1 ms (SUPER TURBO) /4 ms (ULTRA TURBO) /500 µs (HIGH RESOLUTION) /50 µs (HIGH SPEED)

          Output selection

          Light-ON/Dark-ON selectable

          Detection mode

          Light intensity/rising edge/falling edge

          Shift function

          Max. ±1,999 (variable)

          Timer function


          Timer OFF/OFF-delay timer/ON-delay timer/One-shot timer, selectable

          Variable range

          1 to 500 ms
          [1 to 30 ms (in 1 ms increments), 30 to 50 ms (in 2 ms increments), 50 to 200 ms (in 10 ms increments), 200 to 500 ms (in 50 ms increments)]


          ±10 % of the Preset Value

          Control output

          100 mA max. (40VDC max), Residual voltage: 1Vmax.


          Power voltage

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

          Power consumption


          S-APC OFF: 580 mW max.(24 mA max. at 24 VDC), S-APC ON: 720 mW max.(30 mA max. at 24 VDC)*1

          ECO half

          S-APC OFF: 480 mW max.(20 mA max. at 24 VDC), S-APC ON: 600 mW max.(25 mA max. at 24 VDC)*1

          ECO all

          S-APC OFF: 430 mW max.(18 mA max. at 24 VDC), S-APC ON: 550 mW max.(23 mA max. at 24 VDC)*1

          Environmental resistance

          Ambient light

          Incandescent lamp: 20,000 lux max., Sunlight: 30,000 lux max.

          Ambient temperature

          -10 to +55 °C 14 to 131 °F (No freezing)*2

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

          Shock resistance

          500 m/s2, 3 times in each of the X, Y, and Z directions

          Case material



          30 mm (H) x 9 mm (W) x 70 mm (D) 1.18" (H) x 0.35" (W) x 2.76" (D)


          Approx. 45 g (including 2-m cable)

          *1 S-APC will be always turned ON when the high-resolution or high-speed mode is selected. S-APC is by default set to OFF in any other mode.
          *2 If more than one unit is used together, the ambient temperature varies with the conditions below. Mount the units on the DIN rail with mounting brackets and check that the output current is 20 mA or less.
          3 to 10 Units: –10 to +50 °C 14 to 122 °) 11 to 16 Units: –10 to +45 °C 14 to 113 °F

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