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          Network Communication UnitNU series

          Communication Unit DeviceNet™ Compatible



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          Number of connectable sensors

          16 units max. *1

          Sensor connection

          Connectable sensors

          Sensor amplifier that supports N-bus*2

          Number of connectable units

          16 maximum*3

          Allowable passing current

          Total: 1,200 mA or less*4

          DeviceNet™ specifi cations

          Compliant functions

          I/O Message (polling), Explicit Message

          Address setting

          0 to 63 (PGM compatible)

          Baud rate (automatically switched)

          500 kbps, 250 kbps, 125 kbps

          Maximum cable length

          500 kbps

          thick cable

          100 m 32.81'

          thin cable

          250 kbps

          thick cable

          250 m 820.21'

          thin cable

          100 m 32.81'

          125 kbps

          thick cable

          500 m 1640.42'

          thin cable

          100 m 32.81'

          Power voltage

          11 to 25 VDC *5

          Power consumption

          1480 mW or less (at 24 V, 60 mA max.) *6


          Instruction manual, DeviceNetTM connector, End unit


          Approx. 65 g (including connectors)

          *1 Depends on the sensor amplifi ers connected.
          *2 "N-bus" is the name of KEYENCE's wiring-saving system for sensor amplifiers.
          *3 This varies depending on the connected sensor amplifiers.
          *4 This is the current that can be supplied to this unit or to the sensor amplifier linked to this unit.
          *5 Power to the NU-DN1 is supplied from the DeviceNetTM communication power supply. The same power is also supplied to all sensor amplifi ers connected, via the NU-DN1.
          *6 Exclusive of the current supplied to the sensors connected.

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