7.1 Handling of Backup Battery
7.1 Handling of Backup Battery
7.1.1 Functions of Backup Battery
When the calendar timer function is to be used, attach the separately sold backup battery.
● Never use batteries other than AFPX-BATT. It may lead to ignition and rupture of batteries.
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Area backed up by the backup battery
Calendar timer data
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Types of Backup Battery (separately sold)
Appearance
● The backup battery is for the CPS4R*/CPS3R* series. It cannot be attached to CPS2R. The
calendar timer can continue operating for about one week for CPS4R*/CPS3R* and about two
weeks for CPS2R through the built-in capacitor, even if no battery is used.
● In order to charge the built-in capacitor, supply power to the CPU unit for at least 30 minutes.
7.1.2 Replacement of Backup Battery
FP7 CPU unit's backup battery can be replaced while power is on. Replace the backup battery
in the following procedure.
1.
Open the SD memory card cover on the surface of the CPU unit.
7-2
Product name
Backup battery
Rated voltage
For CPS4R*/CPS3R*
With a connector
Product no.
AFPX-BATT
WUME-FP7CPUH-09