5.2.2 Procedure - Adjusting the Time (When Using System Data Area)

  1. From the [Project] menu's [System Settings], click [Display Unit] and open the [System Area] tab.

  2. Define the [System Area Start Address] and select the [Enable System Data Area] check box.
    Select the [Clock Data (Preset Value): (4 Word)] check box.

Operating Procedure

Writes the clock data you want to change in the address displayed in [Clock Data (Preset Value): (4 Word)]. Write using BCD for the data type.

Example: When [Clock Data (Preset Value): (4 Word)] changes the date/time to September 27, 2005 15:27 using "D0010 - D0013"

  1. Month data "0009" is stored in "D0011"

  2. Date data "0027" is stored in "D0012"

  3. Time data "1527" is stored in "D0013"

  4. Year data is stored in "D0010", and bit 15 changes to either ON or OFF. When the current value of "D0010" is "0000", "8005" is stored.