5.9 Handling of Backup Battery
5.9.1 What Backup Battery Does
Install an optional backup battery when the hold area is insufficient in the initial state or for using the
clock/calender function.
Areas backed up with the battery
Classification
Operation memory
Special data
register
Type of backup battery (Sold separately)
Installable number of batteries
As for FP-X, the installable number of batteries varies depending on the types of the control unit.
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Timer and counter
C1008 to C1023
Timer and counter
EV1008 to EV1023
Elapsed value area
Internal relay
R2480 to R255F
C14
Data register
C30/C60
Step ladder
None
Link relay
None
Link register
None
Clock/calender
None
Name: Battery
Product No.: AFPX-BATT
Hold area when
battery is not installed
DT12230 to DT12284
DT32710 to DT32764
Hold area when
battery is installed
Hold areas or non-
hold areas can be
specified arbitrarily
by setting the
system registers
No.6 to No.13 using
a programming
tool. (All points can
be also held.)
All points