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- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Latch (backup) areas in the auxiliary relay (M), data register (D), and extended register (R) of the FX3G/FX3GC series
FAQ
- Inquiries
Latch (backup) areas in the auxiliary relay (M), data register (D), and extended register (R) of the FX3G/FX3GC series
Which areas in the auxiliary relay (M), data register (D), and extended register (R) of the FX3G/FX3GC series can be latched?
- Category :
-
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series
- FAQ > Controllers > Programmable Controllers MELSEC > Engineering Software
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Accessories
Answer
M384 to M1535 and D128 to D1099 can be latched.
M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional battery and setting parameters.
* Setting parameters using GX Works2
On the Project view of the Navigation window, select "Parameter" → "PLC Parameter". Click the "PLC System(1)" tab, select the "Use the battery" checkbox under "Battery Mode", and execute the write to PLC function.
M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional battery and setting parameters.
* Setting parameters using GX Works2
On the Project view of the Navigation window, select "Parameter" → "PLC Parameter". Click the "PLC System(1)" tab, select the "Use the battery" checkbox under "Battery Mode", and execute the write to PLC function.
- Product Name
- FX3G, FX3GC
- Product Category
- Main unit, Engineering Software, GX Developer, GX Works2, Accessories, Options
- Series
- MELSEC-F
