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          7. Multi-Sensor Controller, Main unit

          Self-Contained Full-Spectrum SensorLR-W series

          Multi-Sensor Controller, Main unit



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          Main unit/Expansion unit

          Main unit

          Response time

          Depends on the connected sensor model*1

          Power supply

          Power supply voltage

          24 VDC, ripple (P-P) 10% or less, Class 2 or LPS

          Current consumption

          70 mA or less (without load)*2


          Control output

          4 max.,
          NPN open collector/PNP open collector selectable,
          24 V or less,
          Main unit: 50 mA or less*3,
          Expansion unit: 20 mA or less,
          Residual voltage: 2 V or less,
          N.O./N.C. selectable

          External input

          5 max.,
          Short-circuit current: NPN: 1 mA or less,
          PNP: 2 mA or less,
          For the applied voltage, see wiring diagrams
          (page 3 of the instruction manual)

          Analogue output

          1 max.,
          Current output/ Voltage output selectable,
          Current output: 4 to 20 mA,
          Max. load resistance: 450 Ω,
          Voltage output: 0 to 10 V,
          External load resistance: 5 kΩ or more

          Protection circuit

          Protection against reverse power connection,
          power supply surge, output overcurrent,
          output surge, and reverse output connection

          Expansion units

          Up to 4 expansion units*5


          Allowable sensor current

          150 mA or less


          Allowable passing

          1200 mA or less

          Environmental resistance

          Ambient temperature

          -20 to +50 °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

          1,000 m/s2, 6 times in each of the X, Y, and Z directions


          Case and dust cover: Polycarbonate
          Buttons: Polyacetal
          Display panel: PMMA


          Approx. 70 g

          *1 The response time, as well as the types and number of inputs and outputs that are available, vary depending on the connected sensor model.
          For details, see the specific "MU-N Series User's Manual" for the model that will be connected.
          *2 1500 mA or less when a sensor is attached, 4 outputs (with loads) are used, and expansion units are connected.
          *3 20 mA or less: When using the expansion unit.
          *4 For more information on Control output, External input, and Analog output wire allocation, please refer to the table of "Power Cable Pin Layout" on page 3 of this manual.
          *5 Up to 5 N-bus devices, including the main unit (or network unit), can be linked together.

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