Replacement Procedure For Nx Units - Omron NX Series User Manual

6 Inspection and Maintenance
6-2-2

Replacement Procedure for NX Units

This section describes the basic replacement procedures for the NX Units that are mounted after the
EtherCAT Coupler Unit.
1
Turn OFF the power supply to all of the equipment or disconnect the EtherCAT Slave Terminal
that includes the NX Unit to replace from the EtherCAT network.
2
Turn OFF the Unit power supplies and I/O power supplies for the EtherCAT Slave Terminal.
3
Replace the NX Unit. If the NX Unit has hardware switches, set the hardware switches to the
same settings as on the original NX Unit.
4
Turn ON the Unit power supplies and I/O power supplies to the EtherCAT Slave Terminal.
5
Restore and verify data for the new NX Unit.
6
Turn ON the power supply to all of the equipment, or connect the EtherCAT Slave Terminal to
the EtherCAT network.
6 - 6
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Turn OFF the system power, or disconnect
the EtherCAT Coupler Unit from the EtherCAT
network.
Turn OFF the power supplies to the EtherCAT Slave Terminal.
Replace the Unit.
Turn ON the power supplies to the EtherCAT Slave Terminal.
Restore and verify the data.
Turn ON the equipment power or connect to the
EtherCAT network.
NX-series System Unit User's Manual (W523)