
870USE10110 July 2004 369
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Battery Life Information for
Alkaline Batteries
Lithium Battery Life in a Momentum Processor
Introduction Due to the characteristics of the lithium battery, the operating life cannot be
accurately determined. Major factors reducing battery capacity are:
storage temperature
operating temperature
time in storage
battery use
If battery backup is required, Schneider Electric recommends configuring the battery
low coil in the PLC configuration, a setting that allows monitoring of the battery
capacity level. A battery low condition exists when the configured battery low coil
goes to 1.
What Units are
Affected
Any of the following M1/M1E processors is affected when it is connected to an option
adapter requiring battery backup of memory:.
M1/M1E Processor Option Adapter
171CCS70000 171CCC78010 172JNN21032
171CCS70010 171CCC96020 172PNN21022
171CCS76000 171CCC98020 172PNN26022
171CCS78000 171CCC96030
171CCC76010 171CCC98030
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