Ethercat Slave Information Files (Esi Files) - Omron CJ1W-ECT21 Operation Manual

4-2 EtherCAT Slave Information Files
(ESI Files)
The setting information for an EtherCAT slave is provided in an ESI file (EtherCAT slave information).
The EtherCAT communications settings are defined based on the ESI files of the connected slaves and
the network connection information.
You can create the network configuration information by installing ESI files into the network setup soft-
ware (Configuration Software).
You can download the network configuration information to the EtherCAT master to configure the Ether-
CAT network.
Configuration Software
ESI files
ESI files for the EtherCAT Slave Units can be downloaded from the OMRON website.
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Network
configu-
ration
informa-
tion
Communications are started according to the
communications settings and the network
configuration based on the ESI files that are installed.
4 EtherCAT Communications
EtherCAT master
EtherCAT Slave
Unit
4
4 - 3