Siemens SIMOTION P320-4 E Commissioning And Hardware Installation Manual page 119

To be noted before you replace the battery
NOTICE
Risk of damage!
The lithium battery may only be replaced with an identical battery or with a type recommended
by the manufacturer (article number: A5E30314053)
Risk of explosion and release of harmful substances!
Therefore, do not throw lithium batteries into an open fire, do not solder or open the cell body,
do not short-circuit or reverse the polarity, do not heat to above 100 °C, dispose of them in
accordance with regulations, and protect them from direct exposure to sunlight, humidity, and
condensation.
Note
A backup battery maintains the contents of the SRAM data on the SIMOTION P320‑4 after
the supply power is switched off.
Battery warning
The 3 V lithium battery to back up the SRAM and the clock module is monitored in two stages:
Battery voltage
2.7 V ± 0.1 V
2.25 V ± 0.25 V
In order to prevent data being lost, the battery should be replaced once the Battery warning
entry appears in the diagnostics buffer or, at the very latest, the first time the Battery error entry
appears in the diagnostics buffer.
Disposal
NOTICE
Dispose of batteries properly
Batteries must be disposed of in accordance with local regulations.
SIMOTION P320-4 E / P320-4 S
Commissioning and Hardware Installation Manual, 01/2015
WARNING
10.3 Installing/removing SIMOTION P320-4 components
Message
Diagnostic buffer entry: Battery warning
Battery warning threshold reached
Diagnostic buffer entry: Battery error
Voltage below limit
Service and maintenance
119