Chapter 6. CPU Function
6-22
XGB PLC supports the RTC (clock) function and user can use this function for time management of system or
error log. RTC function is executed steadily when power is off or instantaneous power cut status. Current time
of RTC is renewed every scan by system operation status information flag.
6.12.1 How to use
(1) Reading/setting clock data
(a) Reading or setting from XG5000
1) Click『Online』의『PLC Information』.
2) Click PLC RTC tap of PLC Information』.
3) In case the user wants to send the clock of PC to PLC, press ‘Synchronize PLC with PC clock’.
4) In case the user wants to send the clock the user wants, change the setting value of Time box and
press ‘Send to PLC’.
(b) Reading by flag
The user can monitor as follows by flag
Flag for RTC Data Contents
_MON_YEAR h0599 99 year 5 month
_TIME_DAY h1512 12 date 15 hour
_SEC_MIN h4142 42 minute 41 second
_HUND_WK h2001 20xx year, Monday
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