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SET_RTC_DTBCD
Use this PLC independent instruction to write date and time data in BCD format (DTBCD) to the
Description
real-time clock. When the variable SetNewDtBcd is set to TRUE, the values from the data unit
type DTBCD are transferred to the special data registers DT90054 to DT90056 (DT9054 to
DT9056) and the value 16#8000 is written to the special data register DT90058 (DT9058) to set the
real-time clock of the PLC. You can also use the system variables to set the RTC. For detailed
information on using system variables, please refer to data transfer to and from special data
registers (see page 859).
Example
Set the Real-Time Clock
Date and time instructions
875
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