A-1-6 Start Ethercat Communication; Start Ethercat Communication - Omron CJ1W-ECT21 Operation Manual

Appendices
6
Assign the I/O data that is assigned in the PDO mapping settings to device variables. Assign the
device variables to I/O ports in the I/O Map.
Refer to the NJ/NX-series CPU Unit Software User's Manual (Cat. No. W501) for details on I/O
ports and device variables.
An example is shown below where variable names are automatically created.
7
Create the user program using the device variables.
8
Turn ON the power supply to the NJ-series Controller.
9
Use the Sysmac Studio to set communications with the NJ-series Controller and go online.
10
Download the network configuration information and the user program to the NJ-series Control-
ler. Use the synchronization operation of the Sysmac Studio to download the data.
A-1-6

Start EtherCAT Communication

If the I/O Communication Area Setting Table, PDO mapping and switch settings are configured prop-
erly, EtherCAT communications should occur.
Verify EtherCAT communications by checking the indicators and I/O data exchange.
A - 10
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)