Siemens SIMOTION Series User Manual

11.4 Installing/removing the back-up battery of the SIMOTION P320-4
11.4.1 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 4 years
11.4.2 Replacing the backup battery
Note
The service life of the backup battery is approximately 5 - 8 years, depending on the
environmental conditions.
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)
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 P320‑4 after
the supply power is switched off.
Service and maintenance
11.4 Installing/removing the back-up battery of the SIMOTION P320-4
SIMOTION P320-4 E / P320-4 S
Commissioning and Hardware Installation Manual, 11/2016 185

Siemens SIMOTION Series Specifications

General

Interfaces	PROFIBUS, PROFINET, Ethernet, USB
Programming Languages	LAD, FBD
Safety	Integrated safety functions
Typical Applications	Machine automation, robotics, packaging, printing
Relative Humidity	5% to 95% (non-condensing)
Protection Class	IP20
Certifications	CE, UL, cUL