Siemens SIMOTION P320-3, Manual

Page: 101 / 150

SIMOTION P320-3 and Panel Fronts
Manual, 02/2012
101
Service and maintenance
7
7.1 Preventive maintenance
To maintain high system availability, we recommend the preventative exchange of those PC
components that are subject to wear. The table below indicates the intervals for this
exchange.
Component Exchange interval:
CMOS backup battery 5 years
7.2 Replace the backup battery
To be noted before you replace the battery
Note
The service life of a backup battery is approximately 5 - 8 years, depending on the operating
conditions.
CAUTION
Risk of damage!
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer (order number: A5E00331143).
WARNING
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 P320-3 after
the power supply is switched off.