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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-Q Series > Setting of Q series registers whose data is held when a power failure occurs

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No : 22601
Release Date : 2018/09/03 17:29
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Setting of Q series registers whose data is held when a power failure occurs

How do I set Q series data registers (D) so that their data are held when a power failure occurs?

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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-Q Series

Answer

Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a power failure occurs.

Product Name: MELSEC-Q Series

Series: Q (Q mode)