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          Network Communication Unit

          NU series

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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.

          Model

          NU-EC1

          Name

          Communication unit that supports EtherCAT

          Ethernet
          Specifications

          Compliant standards

          IEEE802.3u (100BASE-TX)

          Transmission rate

          100Mbps (100BASE-TX)

          Transmission media

          Category 5e STP

          Distance between nodes

          100 m 328.1'

          Communication ports

          RJ-45x2

          EtherCAT
          communication
          specifications

          Compatible functions

          Process data object communication (cyclic communication),
          supports mailbox communication (message communication) CoE

          Sensor connection

          Connectable sensors

          Sensor amplifier that supports N-bus*1

          Number of connectable units

          16 maximum*2

          Power supply

          Power is supplied by this product through the wiring-saving connector.

          Allowable passing current

          Total: 1,200 mA or less*3

          Indicator lamp

          Power indicator (PWR): green LED,
          RUN indicator (RUN): green LED,
          ERR indicator (ERR): red LED,
          sensor communication indicator (N-bus): 2-color (green and red) LED,
          link/activity indicator: green LED

          Power voltage

          24 VDC ± 10%, ripple (P-P) 10% or less

          Power consumption

          1,700 mW or less (70 mA or less at 24 V)*4

          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 connection connector: polyamide (plug), PBT (socket)

          Accessories

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

          Weight

          Approx. 80 g (including connectors)

          *1 "N-bus" is the name of KEYENCE's wiring-saving system for sensor amplifiers.
          *2 This varies depending on the connected sensor amplifiers.
          *3 This is the current that can be supplied to this unit or to the sensor amplifier linked to this unit.
          *4 The current supplied to the connected sensor amplifiers is not included.

          Model

          NU-DN1

          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

          Accessories

          Instruction manual, DeviceNetTM connector, End unit

          Weight

          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.

          Model

          NU-CL1

          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

          Power supply

          Power is supplied by this product through the wiring-saving connector.

          Allowable passing current

          Total: 1,200 mA or less*4

          CC-Link specifications

          Supported version

          Version 2.00, version 1.10 (switchable)

          Station type

          Remote device station

          No. of occupied stations

          Version 2.00: 3; version 1.10: 1, 2, 3, 4 (switchable)

          Transmission speed

          156kbps/625kbps/2.5Mbps/5Mbps/10Mbps

          Station number settings

          1 to 64

          Power voltage

          24 VDC ± 10%, ripple (P-P) 10% or less

          Power consumption

          1400 mW or less (at 24 V, 55 mA max.) *5

          Accessories

          Instruction manual, CC-Link connection connector, power supply connection connector, termination resistor (110 Ω, 1/2 W), end unit × 2

          Weight

          Approx. 80 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 Exclusive of the current supplied to the sensors connected.

          Model

          NU-EN8N

          I/O

          Connector

          e-CON connector (4-pin)

          Inputs

          8

          Supply voltage for equipment

          Supplied via the NU-EN8N from the connected communication unit

          Supply current

          520 mA or less (total for eight ports)

          Input signal

          NPN open collector output, contact output

          Input response time

          20 µs or less

          Internal input voltage

          8 VDC (Reference value of input current: 3.1 mA)

          Minimum ON voltage

          6 V

          Maximum OFF current

          0.9 mA

          Input resistance

          2.4 kΩ

          Connectable communication units

          DeviceNetTM compatible communication unit, NU-DN1

          Number of connectable sensors

          2 units max. (occupied ID numbers: 8) *1

          Sensor connection

          Number of connectable units

          Power voltage

          12 to 24 VDC ±10%; ripple (P-P) 10% or less *2

          Accessories

          Instruction manual, Tag, Index seal

          Weight

          Approx. 55 g (including tag)

          *1 The NU-EN8N occupies eight ID numbers of the communication unit regardless of the number of input devices connected.
          *2 Power to the NU-EN8N is supplied from the connected communication unit.

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