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1 EtherCAT Network
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
1-2 Configuration Elements of
EtherCAT Network
1
1-2-2 Overview of Configuration Devices
The overview of each configuration device is as follows:
Administers the EtherCAT network, monitors the state of Slave Units, exchanges I/O data with Slave
Units.
Outputs data received from the EtherCAT Master Unit through the EtherCAT network, or sends input
data to the EtherCAT Slave Unit through the EtherCAT network.
There are Digital I/O Slave Unit and Analog I/O Slave Unit.
It is a PC software for making setting of the EtherCAT network and each Slave Unit.
It can be used either by connecting to the EtherCAT Master Unit or as a substitute of the EtherCAT
Master Unit.
Uses cables of Ethernet category 5 (100BASE-TX) or higher, with double-shield (aluminum tape and
braided shielding), which are connected straight.
Refer to "4-2 Connecting to EtherCAT Network" on page 4-4.
Describes information specific to EtherCAT Sensor Communication Units in XML format.
You can load an ESI file into the Configuration Tool to easily allocate slave process data and make
other settings.
Refer to "5-2 EtherCAT Slave Information File (ESI File)" on page 5-3.
Provides power for communications of each Slave Unit and internal operations.
Separate them from the I/O power supply when wiring.
Refer to "4-3 Connecting to Unit Power Supply and I/O Power Supply" on page 4-8.
Provides power for input/output operations of external devices connected to Slave Units.
Separate from Unit power supply when wiring.
The E3NW-ECT does not require an I/O power supply.
1-2-2 Overview of Configuration Devices
EtherCAT Master Unit
EtherCAT Slave Unit
Configuration Tool
Communications cable
ESI (EtherCAT Slave Information) file
Unit power supply
I/O power supply
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