Omron CJ1W-DRM21 Operation Manual page 98

3 Data Exchange with the CPU Unit
Name of device variable for
CJ-series Unit
*_Sw2FileRestoreCmd
*_Sw2FileBkupCmd
* When the Master function is enabled, the Unit Setup File cannot be backed up unless the scan list is enabled.
3-22
Type R/W Area
BOOL RW Unit Setup
File Restore
Switch
BOOL RW Unit Setup
File Backup
Switch
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Function
<Operation specifications>
FALSE→TRUE:
Reads Unit settings (for details on the
scan list, communications cycle time set-
tings, etc., refer to 7-1 SD Memory Card
Backup Functions on page 7-2.) from the
file within the SD Memory Card of the
CPU Unit and downloads the data as Unit
settings. (The Unit automatically restarts.)
Note After the file data is downloaded, the
Unit automatically restarts with the
new data.
FALSE:
Returns to FALSE when the Unit restarts if
the data is read properly.
Note *_FileRWErr (File Read/Write Error)
will change to TRUE if there is a setup
data error or a file read error.
Default: FALSE
<Operation conditions>
• CPU Unit is operating in PROGRAM
mode.
<Operation specifications>
FALSE→TRUE:
Writes Unit settings (for details on the
scan list, communications cycle time set-
tings, etc., refer to 7-1 SD Memory Card
Backup Functions on page 7-2.) as a file
within the SD Memory Card of the CPU
Unit.
Note Files can only be backed up with the
scan list enabled. You cannot make
a back-up with the scan list disabled.
FALSE:
Returns to FALSE after the data is written
to a file.
Note *_FileRWErr (File Read/Write Error)
in Unit Status 2 will change to TRUE
if data failed to write to a file.
Default: FALSE
<Operation conditions>
• Scan list status is enabled.*