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6 CLOCK FUNCTION
6.1 Time Setting
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Reading clock data
There are the following methods to read clock data.
• Using SM/SD
• Using instructions
Using SM/SD
Clock data is read to SD210 to SD216 when SM213 (clock data read request) is turned ON.
Using instructions
Clock data is read from the CPU module using the TRD(P) instruction. (MELSEC iQ-F FX5 Programming Manual
(Instructions, Standard Functions/Function Blocks))
Precautions
The following describes precautions when setting the time.
When setting the clock for the first time
The clock is not set when the product is shipped.
Correcting the clock data
Before correcting any part of the clock data, you must write all data into the CPU module again.