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Important Information
Battery
There is a battery in this device below the device fan. Batteries may only be
exchanged by technical personnel.
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.
Notes on Inserting and Removing Modules (ESG Guidelines)
Modules containing electrostatically sensitive devices (ESDs) can be identified by
the following label:
Please observe and carefully follow the guidelines mentioned below when handling
modules equipped with electrostatically sensitive devices:
S Always discharge your body before handling modules equipped with ESDs (for
example, by touching a grounded object).
S Devices and tools must be free of static electricity.
S Always pull the power plug and disconnect the battery before connecting or
disconnecting modules (containing ESDs).
S Touch modules fitted with ESDs by their edges only.
S Never touch wiring posts or printed conductors on modules containg ESDs.
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SIMATIC Box PC 840 Manual
A5E00085984-04

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