Omron CJ1W-DRM21 Operation Manual page 292

9 Troubleshooting and Maintenance
Using the Settings Data Stored in the NJ-series CPU Unit's SD Memory Card
Use the following procedure to write all of the settings data from the SD Memory Card to the
DeviceNet Unit.
1
Turn ON the Controller power supply.
2
Switch the CPU Unit to PROGRAM mode.
3
Change *_Sw2FileRestoreCmd (Unit Setup File Restore Switch) of software switch 2 to TRUE.
Using a Stored Project File
Write the settings to the Master Unit from a project file saved on a disk.
1
Turn ON the power to the DeviceNet Unit.
2
Place the CX-Integrator online and read the project file that was previously saved.
3
Use the Device Parameters Edit operation to specify the Master Unit that has been replaced,
and to write the settings from the project file to the device.
Writing a Network Configuration
Read out the network configuration from the actual configuration and write this to the Master Unit
again.
1
Turn ON the power to the Master Unit and slaves.
2
Place the CX-Integrator online and read the Network Configuration.
3
Specify the Master, and use the Device Parameters Edit operation to register slaves and to allo-
cate I/O.
4
Write the settings to the devices.
Precautions for Correct Use Precautions for Correct Use
• When user-set remote I/O allocations are used, always save the project file to restore opera-
tion quickly if the Master Unit needs to be replaced.
• When the CPU Unit is replaced, be sure that all data in the DM Area, HR Area, and other
memory areas is transferred to the new CPU Unit before starting operation.
9-62 CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)