2 Replacement from FX3G to FX5S
2.3 Selection of Substitute Models
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2
Battery
The FX5S CPU module cannot use a battery.
The programs and devices of the FX5S CPU module are maintained in the built-in flash memory of the CPU.
Note that file registers (R) of the FX5S CPU module cannot be latched. (Page 106 Device Replacement List)
The FX5S CPU module supports an extension file register function. For details, refer to the following.
MELSEC iQ-F FX5 User's Manual (Application)