The keeping (latched device data) range is fixed and cannot be changed in parameters.
(Reference)
[When an optional battery is not used]
The keeping range of devices, using EEPROM, is fixed.
- Auxiliary relay (M): M384 to M1535
- State (S): S0 to S999
- Timer (T): T246 to T255
- Counter (C): C16 to C199 and C220 to C255
- Data register (D): D128 to D1099
- Extended file register (ER): ER0 to ER23999
[When an optional battery is used]
The following areas can be added to the keeping range by installing a battery and setting parameters.
- Auxiliary relay (M): M1536 to M7679
- State (S): S1000 to S4095
- Data register (D): D1100 to D7999
- Extension register (R): R0 to R23999