1 Introduction
1-16
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (W505)
5 Setting EtherCAT Parame-
ters
Setting EtherCAT Master
Parameters
Set the EtherCAT master parameters.
(Examples: Fail-soft Operation Setting and
Wait Time for Slave Startup)
The values that are set are reflected in the
network configuration information.
Create an EtherCAT
master with EtherCAT
under Configurations
and Setup.
5-4-1 Setting
EtherCAT Mas-
ter
Setting EtherCAT Slave
Parameters
Set the EtherCAT slave parameters.
Example: Enable/disable slaves.
Create EtherCAT
slaves with EtherCAT
under Configurations
and Setup.
5-4-2 Setting
EtherCAT
Slaves
↓
6 Programming
Process Data Communica-
tions
Specify the device variables in the user pro-
gram.
Input conditions include system-defined
variables for network error flags and normal
or error flags for each slave.
Create the programs
with POUs under Pro-
gramming.
6-1 Process
Data Communi-
cations (PDO
Communica-
tions)
Assign to the task that refreshes I/O for
each EtherCAT slave.
Set it for each slave
from I/O Control Task
Settings under Config-
urations and Setup -
Task Settings.
SDO Communications Read and write the following specified data
for slaves:
Use EC_CoESDORead and EC_CoES-
DOWrite instructions.
• SDO data in slaves (parameters, error
information, etc.)
Create the programs
with POUs under Pro-
gramming.
6-2 SDO Com-
munications
↓
7. Turning ON Power and Going
Online from the Sysmac Studio
• Turn ON the power supply to EtherCAT
slaves.
• Turn ON the I/O power supplies to the
slaves.
• Turn ON the power supply to NJ/NX-
series Controller.
• Use the Sysmac Studio to set communi-
cations with the NJ/NX-series Controller
and go online.
Select Communica-
tions Setup from the
Controller Menu and
make the settings to go
online.
2-1-3 Connect-
ing the Sysmac
Studio
3-3 State Tran-
sitions for Eth-
erCAT
Communica-
tions
↓
8. Online Debugging Compare and merge the network configura-
tion that was set on the Sysmac Studio and
the actual network configuration.
Right-click the Ether-
CAT master under Con-
figurations and Setup
−
EtherCAT and select
Actual network configu-
ration.
5-5 Comparing
and Merging
EtherCAT Net-
work Configura-
tions
↓
Step Description
Sysmac Studio
operation
Section