Latched (battery backed) area in the data register | FAQ

FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit > Latched (battery backed) area in the data register (D) of the FX3G/FX3GC series

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No : 24901
Release Date : 2019/04/15 11:31
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Latched (battery backed) area in the data register (D) of the FX3G/FX3GC series

Which devices are used as the latched area in the data register of the FX3G/FX3GC series?

Category :

FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series
FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit

Answer

D128 to D1099 are the latched device area. D1100 to D7999 can be changed to latched (battery backed) type devices by installing an optional battery and setting the parameters. 　
* Setting the parameters using GX Works2
Select "Parameter" and "PLC Parameter". Click the "PLC System(1)" tab and select the "Use the battery" checkbox in "Battery Mode", and write the parameters to the programmable controller.

Product Name: MELSEC-F Series

Product Category: FX3G,FX3GC

Series: Main Unit