Siemens C79000 Z7076 C638 04 - Manual (Page 43)

Hardware Components of the SIMATIC Box PC 620
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SIMATIC Box PC 620 Operating Manual
C79000-Z7076-C638-04
3.6 Backup Battery
A backup battery (3.6 V lithium battery) powers the hardware clock even after the
programming device is switched off.
There is a battery on the motherboard in this device. Batteries may only be
exchanged by technical personnel. Note the information in the CPU module
documentation! Observe the local regulations on disposal of special waste when
disposing of dead batteries.
!
Caution
There is the danger of an explosion if the battery is not exchanged as directed.
Replace only with the same type or an equivalent type recommended by the
manufacturer. Dispose of used batteries in accordance with the manufacturer’s
instructions.
!
Warning
Risk of severe personal injury or property damage, danger of release of harmful
substances.
There may be a danger of explosion if the battery is not handled properly.
Incorrect disposal of used batteries can cause the release of harmful substances.
Do not throw a new or discharged lithium battery into an open fire, do not solder
onto the cell container. Do not recharge the battery, do not open the battery by
force.
The correct lithium battery is available from Siemens (order-no.: W79084-E1003-B1).
Return used batteries to the manufacturer/recycler or dispose of them according to
local regulations.