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  • No : 22260
  • Release Date : 2018/08/30 13:48
  • Update : 2019/02/19 11:52
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How to change the keeping (latched device data) range (FX3G/FX3GC)

Is it possible to change the keeping (latched device data) range of devices, such as the data register (D) and internal memory (M), of the FX3G/FX3GC series?
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The keeping (latched device data) range is fixed and cannot be changed in parameters.

[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
Product Name
Product Category
Main unit, Accessories, Options, Engineering Software, GX Developper, GX Works2

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