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          Network Communication UnitNU series

          Communication Unit EtherNet/IP™ Compatible



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          EtherNet/IPTM Compatible Network Unit


          Compliant standards

          IEEE802.3 (10BASE-T), IEEE802.3u (100BASE-TX), IEEE802.3af (c, Class 3)

          Transmission rate

          10 Mbps (10BASE-T), 100 Mbps (100BASE-TX)

          Transmission media

          STP cable or Category 3 or higher UTP cable (10BASE-T)*1
          STP cable or Category 5 or higher UTP cable (100BASE-TX)


          Maximum cable length

          100 m (distance between the unit and Ethernet switch)


          Max. number of connection stages

          4 (10BASE-T) 2 (100BASE-TX)*2


          Compliant functions

          Cyclic communication
          Compatible with UCMM and Class 3 messaging (Explicit messaging)

          Number of connections


          RPI (Transmission cycle)

          0.5 to 10,000 ms (in units of 0.5 ms)

          Tolerable communication bandwidth for cyclic communication

          6,000 pps

          Message communication

          Supports UCMM, Class 3

          Conformance test

          Compatible with Version A7

          Sensor connection

          Connectable sensors

          Sensor amplifi ers with N-bus support*3

          Number of connectable units

          Up to 16 units*4

          Power supply

          Power is supplied from the unit via a sensor amplifi er connection connector.

          Allowable passing current

          Total 1,200 mA or less*5

          Power during PoE power receiving

          Supply voltage: 24 V ±10 %, supply current: 360 mA or less*6*7

          Indicator lamp

          Link/activity indicator (LINK/ACT): green LED, module status indicator (MS): 2-color (green and red) LED, network status indicator (NS): 2-color (green and red) LED, sensor communication indicator (N-bus): 2-color (green and red) LED

          Power voltage

          24 VDC ±10 %, ripple (P-P) 10 % or less (with power supply connector)
          48 VDC (Max. 57 VDC) (During PoE power receiving)

          Power consumption

          1,500 mW or less (60 mA max. at 24 V)*8

          Environmental resistance

          Pollution degree


          Ambient temperature

          -20 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


          Main unit case and dust cover: polycarbonate, power supply connector: polyamide (plug), PBT (socket)


          Instruction manual, power connector, 2 end units


          Approx. 80 g (including connectors)

          *1 When using the power PoE power receiving function, use the STP cable or Category 5 or higher UTP cable. 2. The number of connectable units is not limited when using a switch.
          *2 When using the switch, there is no limit on the number of units that can be connected.
          *3 "N-bus" is the name of KEYENCE's wiring-saving system for sensor amplifi ers.
          *4 Depends on the sensor amplifi ers connected. 5. Value for the current which can be supplied to this unit or to a sensor amplifi er unit connected to this unit.
          *5 This is the current that can be supplied to the main unit or to the sensor amplifier connected to the main unit.
          *6 Varies according to the working ambient temperature. (-20 to 45 °C: 360 mA or less, 45 to 50 °C: 260 mA or less, 50 to 55 °C: 140 mA or less)
          *7 Power which can be supplied to the sensor amplifi er when using the PoE power receiving function. 7
          *8 Current to be supplied to the connected sensor amplifi er is not included.

          • For Beginners Sensor Basics Understanding fundamental - Introduction Guide to Sensors

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