What Are System-Defined Variables; System-Defined Variables That Are Related To The Built-In Ethercat Port - Omron NX102 series User Manual

7 System-defined Variables That Are Related to the Built-in EtherCAT Port

7-1 System-defined Variables That Are
Related to the Built-in EtherCAT Port
7-1-1

What Are System-defined Variables?

System-defined variables are variables that are defined by the system for use with EtherCAT communi-
cations. These are provided in advance in the global variable table.
The user program can input status and set parameters for the EtherCAT master and slaves by reading
and writing system-defined variables.
User programming
7-2
NJ/NX-series CPU Unit
Reading
System-defined variables
Writing
EtherCAT master
Slave
EtherCAT
Slave
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)