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          Digital Fibre Optic SensorsFS-V20 series

          FS-V21RM

          Fibre Amplifier, Cable Type, Main Unit, NPN

          [Discontinued model]

          This model has been discontinued.

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          SPECIFICATIONS

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          Model

          FS-V21RM

          Type

          Main unit: Monitor output, NPN

          Light source

          Red, 4-element LED

          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 (switch-selectable)

          Detection mode

          Light intensity/rising edge/falling edge

          Shift function

          Max. ±1,999 (variable)

          Timer function

          Mode

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

          Variable range

          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)

          Accuracy

          ±10 % of the Preset Value

          Control output

          NPN open-collector 100 mA max. (40 VDC max.)*1, Residual voltage: 1 V max.

          Monitor output

          1 to 5 load resistance to display 0 - 495 for FINE and TURBO. Voltage output: 1 to 5 V, Load resistance: 10 kΩ min., Repeatability: ±0.5 % of F.S.

          Unit expansion

          Up to 16 expansion units can be connected (a total of 17 units).*2

          Mutual interference suppression

          HIGH SPEED/HIGH RESOLUTION: 0, FINE : 4, TURBO/SUPER/ULTRA: 8

          Rating

          Power voltage

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

          Power consumption

          Normal

          S-APC OFF: 650 mW max.(27 mA max. at 24 VDC), S-APC ON: 720 mW max.(30 mA max. at 24 VDC)

          ECO half

          S-APC OFF: 530 mW max.(22 mA max. at 24 VDC), S-APC ON: 660 mW max.(25 mA max. at 24 VDC)

          ECO all

          S-APC OFF: 480 mW max.(20 mA max. at 24 VDC), S-APC ON: 550 mW max.(23 mA max. at 24 VDC)

          Environmental resistance

          Ambient light

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

          Ambient temperature

          -10 to +55 °C (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm, 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

          Polycarbonate

          Size

          30 mm (H) x 9 mm (W) x 70 mm (D)

          Weight

          Approx. 80 g (including 2-m cable)

          *1 20 mA at maximum for the expansion unit.
          *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.
          1 or 2 Units: -10 to +55 °C (14 to 131 °F), 3 to 10 Units: -10 to +50 °C (14 to 122 °F), 11 to 16 Units: -10 to +45 °C (14 to 113 °F)

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