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22 Device Description
WAGO PERSPECTO® 762
762-3057/000-001 CP 57 QVGA TV
Manual
Version 1.2.1
3.4
Battery Case
Do not charge, disassemble or burn the battery!
Incorrect use of the lithium battery contained in this device may cause damage
incurred by fire or chemical burns. The battery must not be charged,
disassembled, burned or exposed to temperatures exceeding 100°C (212°F).
The battery compartment holds a 3 V lithium battery, type CR1/2AA or Z3600A,
that supplies the real time clock and the SRAM with power in case of a power
failure.
If you want to change the lithium battery during a power failure, make sure that
you have the new battery ready to hand. For a certain time a gold cap capacitor
provides the required power. The data of the volatile memory (SRAM) is therefore
preserved during a battery exchange.
At room temperature, the battery has a life span of about one year.
Figure 9: Battery Case
It is possible to check the capacity of the battery via the CODESYS function
SysRtcCheckBattery.
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