Omron NX102 series

6 Process Data Communications and SDO Communications
6-20
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (W505)
6-2 SDO Communications
SDO communications are performed by using EtherCAT instructions to access SDO data in slaves
when required.
You can perform the following SDO communications with EtherCAT instructions.
• Reading and writing of SDO data
6-2-1 EtherCAT Instructions
Reading and Writing SDO Data
Function Instruction Description
CoE messages
(Read CoE SDO)
EC_CoESDORead You set parameters to read data from the slave’s object dictionary
(SDO data).
CoE messages
(Write CoE SDO)
EC_CoESDOWrite You set parameters to write data to the slave’s object dictionary
(SDO data).