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

10Mbps (10BASE-T)100Mbps (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

6000pps

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

Operating temperature range

-20 to +55°C -4 to 131°F, No freezing

Operating ambient humidity

35 to 85% RH (No condensation)

Vibration

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

Pollution degree

2

Material

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

Accessories

Instruction manual, power supply connection connector, end unit × 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

Operating temperature range

-20 to +55°C -4 to 131°F, No freezing

Operating ambient humidity

35 to 85% RH (No condensation)

Vibration

10 to 55 Hz compound amplitude 1.5 mm 0.06", 2 hours each in X, Y, Z directions

Pollution degree

2

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)

Material

Main unit case and dust cover: Polycarbonate, DeviceNetTM connector: Polyamide (plug), PBT (socket)

*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)

Material

Main unit case and dust cover: Polycarbonate
CC-Link connector and power supply connector: Polyamide (plug), PBT (socket)

*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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