Network Communication Unit

NU series

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Communication Unit EtherNet/IP™ CompatibleNU-EP1

Specifications

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

Maximum cable length

100 m328.1'(the length between this unit and the Ethernet switch)

EtherNet
Specifications

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

苏pports UCMM, Class 3

Conformance test

苏pports 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

苏pply 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)

相对湿度

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm0.06", 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)

*1When using the PoE power receiving function to form a connection, use an STP cable or category 5 or higher UTP cable.
*2When 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.
*4This varies depending on the connected sensor amplifiers.
*5This is the current that can be supplied to the main unit or to the sensor amplifier connected to the main unit.
*6This varies depending on the ambient usage temperature. (-20 to 45 °C-4 to 113°F: 360 mA or less, 45 to 50 °C113 to 122°F: 260 mA or less, 50 to 55 °C122 to 131°F: 140 mA or less)
*7Power which can be supplied to the sensor amplifi er when using the PoE power receiving function
*8The current supplied to the connected sensor amplifiers is not included.

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