Network Communication UnitNU series

NU-EP1

Communication Unit EtherNet/IP™ Compatible

SPECIFICATIONS

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Model

NU-EP1

Name

EtherNet/IPTM Compatible Network Unit

EtherNet specifications

Compliant standards

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

Transmission speed

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

Transmission interface

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

Ethernet

Maximum cable length

100 m (distance between the unit and Ethernet switch)

EtherNet

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 10000 ms (in units of 0.5 ms)

Tolerable communication bandwidth for cyclic communication

6000pps

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 1200 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

1500 mW or less (60 mA max. at 24 V)*8

Environmental resistance

Operating ambient temperature

-20 to +55°C, No condensation

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 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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