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2 Starting a Sample System
EtherCAT Communication Unit USER’S MANUAL (I574-E1)
2-8 Communication with NJ501-1x00 Master
2
2-8-3 Checking the NJ501-1x00 Master
Check that the NJ501-1x00 Master is operating normally in the RUN Mode.
Check the POWER indicator and other indications of the inverter to confirm that power is being sup-
plied to the inverter.
Check the status indicators of the EtherCAT Communication Unit to see that the status has changed to
normal operation from initial processing.
1st unit
2nd unit
* If three or more units are connected, the status LEDs behave in the same way as the LEDs on the first unit,
except for the last unit.
L/A OUT on the last unit is always unlit.
Execute the NJ501-1x00 Master control program and check that the operation is normal.
2-8-3 Checking the NJ501-1x00 Master
Status of NJ501-1x00 Master Operating normally
User program is running User program is stopped
Front LED indica-
tors
PWR (Green) ON ON
RUN (Green) ON OFF
ERROR (Red) OFF OFF
2-8-4 Checking the Inverter and EtherCAT Communication Unit
L/A IN L/A OUT RUN ERR
Initial processing ON ON OFF OFF
Normal operation Flashing Flashing ON OFF
L/A IN L/A OUT RUN ERR
Initial processing ON OFF OFF OFF
Normal operation Flashing OFF ON OFF
2-8-5 Checking the Operation
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