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  • No : 22266
  • Release Date : 2018/08/30 13:48
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Changing the time of a programmable controller by using the clock data write instruction (TWR)

To change the time in a programmable controller by using the clock data write instruction (TWR), is the control of M8015 (Clock stop/adjustment) required?
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Answer

When changing the time by using the clock data write instruction (TWR), the control of M8015 (Clock stop/adjustment) is not required.

* When the clock data write instruction (TWR) is not used, use the special auxiliary relay M8015 (Clock stop/adjustment).
M8015 is used to change the data in the special register (D8013 to D8019) directly in a program or a peripheral such as an GOT.
(When M8015 turns on, the clock function stops and the built-in real-time clock in the programmable controller becomes writable. After changing the time, the clock function operates by turning off M8015.)
Product Name
FX1S, FX1N, FX1NC, FX2N, FX2NC, FX3S, FX3G, FX3GC, FX3U, FX3UC
Product Category
Main unit, Engineering Software, GX Developper, GX Works2
Series
MELSEC-F series

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