After replacing the PLC battery, initialize the PLC via Info Mode Info>System>Working Mode> Init.
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Note ♦ |
When you replace the battery, you lose RAM values. |
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