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V7.00
24905_EDEBD
A0272-5019-1_EN
16
2.4
Device memory
Non-volatile long-term memory
The device is equipped with an internal, non-volatile memory in which long-term data is
stored.
Buffered real-time clock (RTC)
After an uninterrupted charging time (device connected to the supply voltage) of approx.
8 hours, the buffer capacitor will have a sufficient charge to protect the internal clock
from failure due to lack of operating voltage for approx. 14 days.
NOTE
If the buffer capacitor is discharged and there is no supply voltage, once the device has
been switched on the time settings will be incorrect and must therefore be reset.
Installation