
Power supply
4.2 Charging the device
SIMATIC RF680M Mobile Reader
18 Operating Instructions, 06/2011, J31069-D0241-U001-A2-7618
4.2 Charging the device
Complete charging of an empty battery takes approximately 5 hours.
Starting the charging operation
The charging operation is started as soon as you insert the mobile reader into the charging
station.
WARNING
Explosion hazard when using a different charging station.
Use only the original charging station from PSION. Use of another charging station can
result in explosions and serious personal injury.
Detecting the level of charge
You can check the level of charge via the charge indicator (LED) on the reader when the
SIMATIC RF680M is placed in the charging station:
Table 4- 1 Status LED
LED color LED status Meaning
Flashing Charging in progress. Battery charge is less than 80%
Flashes slowly Charging in progress. Battery charge exceeds 80%
Rapid flashing Battery temperature is higher than 45 °C. Charging not in
progress.
Green
Permanently lit Battery is fully charged.
red Permanently lit Charging not in progress. Battery fault!
4.3 The backup battery
The backup battery in the SIMATIC RF680M is used for retaining the application data when
the main batteries are discharged. It is a rechargeable battery that is charged together with
the main battery.
Please note that a new backup battery (in the case of an empty or removed main battery)
can only retain the data in the tag for a few minutes. It cannot be replaced because it is
permanently connected to the device.
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