Replacing The Backup Battery (For 6Es7647-0Ba00-1Ya2 Only) - Siemens SIMATIC IOT2050 Operating Instructions Manual

Maintaining and repairing the device

6.3 Replacing the backup battery (For 6ES7647-0BA00-1YA2 only)

Limitation of liability
All technical specifications and approvals of the device only apply if you use expansion
components that have a valid CE approval (CE mark). The installation instructions for
expansion components in the associated documentation must be observed.
UL approval of the device only applies when the UL-approved components are used
according to their "Conditions of Acceptability".
We are not liable for functional limitations caused by using third-party devices or
components.
6.3 Replacing the backup battery (For 6ES7647-0BA00-1YA2 only)
This chapter applies to the device 6ES7647-0BA00-1YA2, which has a back-up battery.
Prior to replacement
Risk of explosion and release of harmful substances
Improper handling of lithium batteries can result in an explosion of the batteries.
Explosion of the batteries and the released pollutants can cause severe physical injury.
Worn batteries jeopardize the function of the device.
Note the following when handling lithium batteries:
• Replace the battery every 5 years.
• Replace the lithium battery only with the type recommended by the manufacturer.
• Do not throw lithium batteries into fire, do not solder on the cell body, do not recharge,
38
WARNING
The article number is A5E34734290.
do not open, do not short-circuit, do not reverse polarity, do not heat above 100°C and
protect from direct sunlight, moisture and condensation.
Operating Instructions, 03/2020, A5E39456816-AA
SIMATIC IOT2050