Network Communication UnitNU series

NU-EC1

Communication Unit EtherCAT Compatible

SPECIFICATIONS

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Model

NU-EC1

Name

EtherCAT Compatible Network Unit

EtherNet specifications

Compliant standards

IEEE802.3u (100BASE-TX)

Transmission speed

100Mbps (100BASE-TX)

Transmission interface

Category 5e STP

Distance between nodes

100 m

Communication port

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

Operating ambient temperature

-20 to +55°C, No condensation

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 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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