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          Network Communication UnitNU series

          NU-EP1

          Communication Unit EtherNet/IP™ Compatible

          SPECIFICATIONS

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          Model

          NU-EP1

          Name

          Communication unit that supports EtherNet/IPTM

          Ethernet
          Specifications

          Compliant standards

          IEEE802.3 (10BASE-T), IEEE802.3u (100BASE-TX), IEEE802.3af (Power over Ethernet, Class 3)

          Transmission rate

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

          Transmission media

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

          Ethernet

          Maximum cable length

          100 m 328.1' (the length between this unit and the Ethernet switch)

          EtherNet

          Max. number of connection stages

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

          EtherNet/IP™

          Compliant functions

          Cyclic communication (implicit messages), message communication (explicit messages)

          Number of connections

          64

          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

          Supports version A7

          Sensor connection

          Connectable sensors

          Sensor amplifier that supports N-bus*3

          Number of connectable units

          16 maximum*4

          Power supply

          Power is supplied by this unit through the sensor amplifier 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 (UL Class 2)*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 (when using the power supply connector); 48 VDC (57 V maximum; during PoE power receiving)

          Power consumption

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

          Environmental resistance

          Pollution degree

          2

          Ambient temperature

          -20 to +55 °C -4 to 131 °F (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

          Material

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

          Accessories

          Instruction manual, power supply connection connector, end unit x 2

          Weight

          Approx. 80 g (including connectors)

          *1 When using the PoE power receiving function to form a connection, use an STP cable or category 5 or higher UTP cable.
          *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 amplifiers.
          *4 This varies depending on the connected sensor amplifiers.
          *5 This is the current that can be supplied to the main unit or to the sensor amplifier connected to the main unit.
          *6 This varies depending on the ambient usage temperature. (-20 to 45 °C -4 to 113°F: 360 mA or less, 45 to 50 °C 113 to 122°F: 260 mA or less, 50 to 55 °C 122 to 131°F: 140 mA or less)
          *7 Power which can be supplied to the sensor amplifi er when using the PoE power receiving function
          *8 The current supplied to the connected sensor amplifiers is not included.

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