Other Functions 
 
FPΣ User's Manual 
258 
10.1 F-ROM Backup (P13_EPWT) 
Data registers of 32765 words can be written to the built-in F-ROM of the FPΣ CPU using the 
instruction P13_EPWT. 
Writing can be performed up to 10000 times. After that, the correct operation cannot be 
guaranteed. 
If the power supply turns off while the instruction P13_EPWT is being executed or during 
online editing, data in the hold area may be lost. 
 
REFERENCE
 
For details, please refer to the FPWIN Pro Programming Manual or to the FPWIN 
Pro online help.