SIGMATEK ETT 736, Руководство по эксплуатации

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ETT 736 TOUCH OPERATING TERMINAL
Page 44 12.01.2022
15 Buffer Battery
A lithium battery is installed at the manufacturer.
The battery has enough capacity to preserve data in the absence of a supply voltage for
approximately 5 years.
COMPANY DATA
Lithium battery RENATA 3.0 V / 235 mAh
Battery order number: 01-690-055
Use type CR2032 batteries from RENATA only.
Disconnect the device from the supply before changing the battery.
WARNING Danger of fire and explosion!
Slight to serious injuries can occur from incorrect use of the battery.
Do not recharge, disassemble or throw batteries into fire!
15.1 Data Retention Battery Exchange
The exchangeable buffer battery ensures that the following data are preserved in the ab-
sence of a supply voltage:
•
Time:
•
SRAM data
If the battery is empty, the following settings are reset or data deleted.
•
Clock time (reset to default value)
•
SRAM data (deleted)