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A Appendices
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
A-2 Using Distributed Sensor Units
A
A-2-5 General Specifications of the
Distributed Sensor Unit
Connect a cable from the Unit power supply (24 VDC) to the power supply connector on each
Distributed Sensor Unit to supply power separately to each Unit.
Attach ferrules to the Unit power supply cable wires and connect them securely so that they do not
come loose.
Recommended Parts
We recommend the following ferrules for the Unit power supply cable.
We recommend the following screwdriver to remove ferrules.
Unit Power Supply Connections
Model number Applicable wire size Crimping tool Manufacturer
AI0,5-10WH
0.5 mm
2
(AWG20)
CRIMPFOX UD6 (product number
1204436) or CRIMPFOX ZA3 Series
Phoenix Contact
H0.5/16 orange
0.5 mm
2
(AWG20)
PZ1.5 Crimper (product number
900599)
Weidmüller
Model number Manufacturer
XW4Z-00C OMRON Corporation
A-2-5 General Specifications of the Distributed Sensor Unit
Item Specification
Unit power supply voltage 24 VDC (20.4 to 26.4 VDC)
Power and current
consumption
2 W max. (Not including power supplied to Sensors.), 80 mA max. (Not including
current supplied to Sensors.)
Noise immunity Conforms to IEC 61000-4-4, 1 k (power line).
Vibration resistance
10 to 60 Hz with an amplitude of 0.7 mm, 60 to 150 Hz, 50 m/s
2
, 1.5 hours each in
X, Y, and Z directions
Shock resistance
150 m/s
2
with amplitude of 0.7 mm
(3 times each in 6 directions on 3 axes)
Dielectric strength 500 VAC, 50 and 60 Hz, 1 min
Insulation resistance 20 MΩ or more (at 500 VDC)
To 24-VDC Unit
power supply
Unit power
supply cable
Ferrule
+V terminal
−V terminal
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