2 EtherCAT Sensor Communication Unit
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E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
2-1 Overview of E3NW-ECT
This section explains the overview of E3NW-ECT.
This Sensor Communication Unit is a communications slave that processes EtherCAT communications
between Digital Sensors and a PLC to monitor the ON/OFF output status and detection levels, write
parameters, and operate the Sensors.
The PDOs in EtherCAT communications allow you to monitor the ON/OFF status of the outputs or the
detection levels without any programming. The SDOs give you the ability to read and write to any
specified parameter.
The E3NW-ECT EtherCAT Sensor Communication Units are Sysmac devices.* You can use them
together with NJ-series Controller, other Machine Automation Controllers, and the Sysmac Studio
Automation Software to achieve optimum functionality and ease of operation.
* “Sysmac devices” is a generic name for EtherCAT Sensor Communication Units and other OMRON control
components that were designed with the same communications and user interface specifications.
2-1-1 Features of E3NW-ECT EtherCAT Sensor Communication Units
Optimum Functionality and Ease of Operation Based on Unified
Specifications
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