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          7. Amplifier Unit, DC Type, NPN

          Amplifier Separate Type Photoelectric SensorPS series

          Amplifier Unit, DC Type, NPN

          PS-X28

          [Discontinued model]

          This model has been discontinued.

          Recommended Replaceable Products
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          SPECIFICATIONS

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          Model

          PS-X28

          Type

          DC type

          Output

          NPN

          Sensitivity adjustment

          3-turn trimmer

          Response time

          0.5 ms

          Operation mode

          LIGHT-ON/DARK-ON (switch-selectable)

          Output

          Control output

          100 mA (40 V) max.
          Residual voltage: 1 V max.

          Stability output

          Protection circuit

          Reversed polarity, short-circuit protection, surge absorber

          Indicator lamp

          Output: Red LED, Stable operation: Green LED

          Timer

          ON-delay/OFF-delay/
          Timer-OFF selectable
          (40 ms to 5 s)

          Rating

          Power voltage

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

          Current/power consumption

          45 mA max.

          Environmental resistance

          Ambient temperature

          -10 to +50 °C (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Weight

          Approx. 65 g (including 2 m cable)

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          Sensors