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A Appendices
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
A-2 Using Distributed Sensor Units
A
A-2-3 DS-Bus Network Wiring
E3NW-DS Sensor Distributed Sensor Units
Connect the D+ and D− lines and the shield wire in the communications cable to the power
supply/communications connector on the Distributed Sensor Unit. Also, clamp on a ferrite core
(enclosed) on the communications cable.
In connections between Distributed Sensor Units, connect the shield wire in the communications
cable to the −V terminal on only one of the Distributed Sensor Units. Do not connect the shield wire
to both Units.
To Communications
Unit or Distributed
Sensor Unit
Communications
cable
Shield wire in communications cable
Ferrite core
D+ terminal
D− terminal
−V terminal
Ferrule
To Distributed
Sensor Unit
Communications
cable
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