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2 Starting a Sample System
EtherCAT Communication Unit USER’S MANUAL (I574-E1)
2-7 Communication with CJ1W-NCx82 Mas-
ter
2
2-7-1 Starting the System
2-7
Communication with CJ1W-NCx82
Master
After completing the settings and wiring, turn ON the power and check that the communication starts.
The inverter power supply must be turned ON to set the inverter. When the power supply is turned ON,
the inverter may operate in unintended way. Check the condition of the wiring and system carefully
before starting the operation.
Check the condition of the wiring and system carefully, and then turn ON the power supply for all the
inverters and PLC. It does not matter whether the inverter or PLC power supply is turned ON first. How-
ever, an error occurs unless the power supply for all the inverters is turned ON within a certain time (All
Registered Slave Participation Standby Time parameter of CJ1W-NCx82, default value is 10 seconds)
after turning ON the PLC power supply.
Firstly, enter the network settings. Until the settings are performed, the indicators show "Initial process-
ing status" in the table below for both the Master Unit and the EtherCAT Communication Unit. Start
CX-Programmer, and double-click the target CJ1W-NCx82 in the I/O table to start the support tool.
When the support tool starts, select Network Auto Setup from Network in the support tool menu, and
perform network setup by following the dialog box instructions.
For details on network setting, refer to Position Control Units
CJ1W-NC281/NC481/NC881/NCF81/NC482/NC882 OPERATION MANUAL (Cat No.W487).
Check that the Master Unit has transitioned to normal operation from initial processing.
The indicators of the CJ1W-NCx82 make it easy to check the changes in status.
For details, refer to Position Control Units CJ1W-NC281/NC481/NC881/NCF81/NC482/NC882 OPER-
ATION MANUAL (Cat No.W487).
2-7-1 Starting the System
2-7-2 Network Setup
2-7-3 Checking the Master Unit
7-segment
display RUN ERC ERH ECAT
RUN
ECAT
ERR L/A
Initial processing Flashing ON OFF OFF OFF OFF ON
Normal operation “00” ON OFF OFF ON OFF Flashing
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