Specs : Network Communication Unit - NU series

Model		NU-EP1
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Name		EtherNet/IP™ Compatible Network Unit
Ethernet Specifications	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)
EtherNet Specifications	Max. number of connection stages	4 (10BASE-T) 2 (100BASE-TX)^*2
EtherNet/IP™	Compliant functions	Cyclic communication Compatible with UCMM and Class 3 messaging (Explicit messaging)
	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	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	2
	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
Material		Main unit case and dust cover: polycarbonate, power supply connector: polyamide (plug), PBT (socket)
Accessories		Instruction manual, power connector, 2 end units
Weight		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.

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Model		NU-EC1
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Name		EtherCAT Compatible Network Unit
Ethernet Specifications	Compliant standards	IEEE802.3u (100BASE-TX)
	Transmission rate	100Mbps (100BASE-TX)
	Transmission media	Category 5e STP
	Distance between nodes	100 m
	Communication ports	RJ-45x2
EtherCAT communication specifications	Compatible functions	Process data object communication (cyclic communication) Mailbox communication (message communication) CoE compatible
Sensor connection	Connectable sensors	Sensor amplifi ers with N-bus support ^*1
	Number of connectable units	Up to 16 units ^*2
	Power supply	Power is supplied from the unit via a wiring-saving connector
	Allowable passing current	Total 1200 mA max.
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		1700 mW or less (70 mA max. at 24 V) ^*3
Environmental resistance	Pollution degree	2
	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
Material		Main unit case and dust cover: polycarbonate, power supply connection connector: polyamide (plug), PBT (socket)
Accessories		Instruction manual, power connector, 2 end units
Weight		Approx. 80 g (including connectors)
^1 "N-bus" is the name of KEYENCE's wiring-saving system for sensor amplifi ers. ^2 Depends on the sensor amplifi ers connected. ^*3 Current to be supplied to the connected sensor amplifi er is not included.

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Model				NU-DN1
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Number of connectable sensors				16 units max. ^*1
Sensor connection	Connectable sensors			Sensor amplifi ers with N-bus support ^*2
	Number of connectable units			Up to 16 units ^*1
	Allowable passing current			Total 1200 mA max.
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
			thin cable
		250 kbps	thick cable	250 m
			thin cable	100 m
		125 kbps	thick cable	500 m
			thin cable	100 m
Power voltage				11 to 25 VDC ^*3
Power consumption				1480 mW or less (at 24 V, 60 mA max.) ^*4
Accessories				Instruction manual, DeviceNet® 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 amplifi ers. ^3 Power to the NU-DN1 is supplied from the DeviceNet® communication power supply. The same power is also supplied to all sensor amplifi ers connected, via the NU-DN1. ^4 Exclusive of the current supplied to the sensors connected.

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Model		NU-CL1
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Number of connectable sensors		16 units max. ^*1
Sensor connection	Connectable sensors	Sensor amplifi ers with N-bus support ^*2
	Number of connectable units	Up to 16 units ^*1
	Power supply	Power is supplied from the unit via a wiring-saving connector
	Allowable passing current	Total 1200 mA max.
CC-Link specifications	Supported version	Ver.2.00/Ver.1.10 (switchable)
	Station type	Remote device station
	No. of occupied stations	Ver.2.00: 3 stations; Ver.1.10: 1/2/3/4 stations (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.) ^*3
Accessories		Instruction manual, CC-Link connector, power connector, termination resistor, 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 amplifi ers. ^*3 Exclusive of the current supplied to the sensors connected.

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Model		NU-EN8N
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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		CC-Link Compatible Communication Unit: NU-CL1, DeviceNet® Compatible Communication Unit: NU-DN1, EtherCAT® Compatible Network Unit: NU-EC1, EtherNet/IP™ Compatible Network Unit: NU-EP1
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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Specs Network Communication Unit NU series