Network Communication UnitNU series

NU-EC1

Communication Unit EtherCAT Compatible

SPECIFICATIONS

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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.

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