Siemens Simatic RTU303xC Series Operating Instructions Manual page 333

Replacing batteries
Replacement by trained personnel
Batteries must only be replaced by trained service technicians.
To replace batteries you first need to disconnect the battery module from the RTU in the
WBM configuration. After replacing the batteries you need to connect the module again in
the WBM. For a description of the procedure, refer to the section Power supply (Page 171).
You will find information on the recommended intervals for changing the batteries in the
section Batteries: Estimating the working life (Page 176).
For a description of mounting the battery modules, refer to the section Installing an RTU
(Page 70).
Recycling / disposal
Batteries and rechargeable batteries can be recycled. Their components can be used as raw
materials for new batteries/rechargeable batteries or other products. Effective recycling
procedures are only possible if batteries of the used batteries of the same type are collected
together.
Note
Regulations for disposal of batteries
Keep to the local regulations for the recycling and disposal of batteries.
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
WARNING
Diagnostics and maintenance
6.6 Batteries: Replacement, recycling and disposal
333