Safety Information   
2.1 General safety instructions 
  SIMATIC Box PC 627 
2-2  Operating Instructions, Release 05/2006, A5E00362052-03 
Battery 
This device is equipped with a Lithium battery. Batteries may only be replaced by qualified 
personnel.  
 
 
Caution 
There is the risk of an explosion if the battery is not replaced as directed. Replace only with 
the same type or with an equivalent type recommended by the manufacturer. Dispose of 
used batteries in accordance with local regulations. 
 
 
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 polarity, do not heat up above 100° C, dispose of in 
accordance with regulations and protect against direct exposure to sunlight, moisture and 
condensation. 
 
ESD guidelines 
Modules containing electrostatic sensitive devices (ESDs) can be identified by the following 
label: 
 
 
Strictly follow the guidelines mentioned below when handling modules which are sensitive to 
ESD: 
•  Always discharge your body´s static electricity before handling modules which are 
sensitive to ESD (for example, by touching a grounded object). 
•  All devices and tools must be free of static charge. 
•  Always pull the mains connector and disconnect the battery before you install or remove 
modules which are sensitive to ESD. 
•  Handle modules fitted with ESDs by their edges only. 
•  Do not touch any wiring posts or conductors on modules containing ESDs.