![background image](http://html1.mh-extra.com/html/omron/cj1w-drm21/cj1w-drm21_operation-manual_742341098.webp)
3 Data Exchange with the CPU Unit
3-22
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
* When the Master function is enabled, the Unit Setup File cannot be backed up unless the scan list is enabled.
*_Sw2FileRestoreCmd
BOOL
RW
Unit Setup
File Restore
Switch
<Operation specifications>
FALSE
→
TRUE:
Reads Unit settings (for details on the
scan list, communications cycle time set-
tings, etc., refer to
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.
*_Sw2FileBkupCmd
BOOL
RW
Unit Setup
File Backup
Switch
<Operation specifications>
FALSE
→
TRUE:
Writes Unit settings (for details on the
scan list, communications cycle time set-
tings, etc., refer to
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.*
Name of device variable for
CJ-series Unit
Type
R/W
Area
Function
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......