Specifications

Insufficient Flash Memory Appendix A: Troubleshooting
118 VisiLogic: Getting Started
If you select a smaller panel, some of the elements in your Displays may be
too large. In this case, any variable, graphic, or text elements that extend
beyond the edge of the screen will be deleted from your project, and may not
be retrieved.
In addition, note that all calendar variables will be deleted.
Also, note that if you change from a touch panel to a non-touch panel, any
'touch' properties linked to on-screen objects will be deleted.
Insufficient Flash Memory
This error message is displayed when the PLC does not have sufficient memory
to handle the current project. To see the memory requirements of the project,
click the Events tab in the Output Window at the bottom of the screen.
Error: User Memory Overlap
This error generally results because the number of function blocks exceeds the
PLC memory capacity. Please review your program, and consider making
changes regarding FB operations. In most cases, this can be resolved by
deleting a single function block
Replacing or Removing the Battery
After replacing the PLC battery, initialize the PLC via Info Mode
Info>System>Working Mode> Init.
Note
•
When you replace the battery, you lose RAM values.
Backing up the PLC RAM
Unitronics Remote Access PC utility offers the tool 'Backup PLC RAM'. Using
this tool, you can read all PLC RAM values such as Data Tables and register
values into an Excel file on your PC, and later write these Excel values back
into the PLC's RAM.
Remote Access may be installed from the Setup CD, or downloaded from
http://www.unitronics.com/ download.htm