7-3
7 Other Functions
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
7-1 SD Memory Card Backup Functions
7
7-1-1 Outline of Functions
Saves all internal Unit setup data to the SD Memory Card mounted to the CPU Unit.
Method: By changing the software switch *_Sw2FileBkupCmd (Unit Setup File Backup Switch) to
TRUE, save the internal Unit setup data on an SD Memory Card as unit setup files.
Restore the data saved on a CPU Unit's SD Memory Card into the Unit.
Method: By changing the software switch *_Sw2FileRestoreCmd (Unit Setup File Restore Switch) to
TRUE, restore the Unit setup data on an SD Memory Card and make it effective as Unit settings.
After the file data is restored, the Unit automatically restarts with the new settings.
Note *_FileRWErr (File Read/Write Error) in Unit Status 2 will change to TRUE if there is a setup data
error or a file read error.
7-1-1 Outline of Functions
Backing Up Unit Setup Files
Restoring Unit Setup Files (Restore and Set in the Unit)
CJ-series
DeviceNet Unit
NJ-series CPU Unit
All setup data
Backup
SD Memory Card
Unit Setup File Backup switch
FALSE→TRUE
Unit Setup File Restore Switch
SD Memory Card
CJ-series
DeviceNet Unit
NJ-series CPU Unit
Restore
All setup
data
FALSE→TRUE