Real-Time Clock configuration page

Use the
Real-Time Clock
 configuration page to do the following actions:
  • View the date and time settings of the controller.
  • Open
    Set date and time
     to synchronize the date and time settings with the clock on your personal computer or manually set the time and date.
The
Real-Time Clock
 configuration page is available for
Micro810
 LC10,
Micro820
 L20E,
Micro850
 L50E, and
Micro870
 L70E controllers. Open the
Set date and time
 page by selecting
Real-Time Clock
 in the
Controller
 tree.
To view the date and time settings, the controller must be online.
Settings on the Real-Time Clock configuration page
Setting
Description
Battery
Displays the battery status in the real-time clock.
The read-only values are as follows:
  • Not available
  • Day of the week, month, day, year
Date
Displays the date that is set for the real-time clock.
  • When the controller is online, the value is read-only in the format: <
    day_of_the_week>, <day_and_month>, <year>
    .
  • When the controller is offline, the value is
    Not available
    .
Time
Displays the time that is set for the real-time clock.
  • When the controller is online, the value is read-only in the format:
    <hours>:<minutes>:<seconds>
    AM/PM
    .
  • When the controller is offline, the value is
    Not available
    .
Set date and time
Opens the
Set date and time
 dialog to synchronize the date and time settings with the clock on your personal computer or manually set the time and date.
The dialog is available when the controller is in
Remote program
mode.
Enable changing the real-time clock in the Run mode
Determines whether to turn on or turn off the real-time clock change when the controller is in
Run
 mode.
The checkbox is cleared by default.
Enable firmware real-time clock
Determines whether to enable the firmware real-time clock.
If enabled, the firmware real-time clock will allow the date and time to continue to update, but at a reduced accuracy, when the hardware real-time clock is not present, such as when the 2080-MEMBAK-RTC2 or 2080-SDMEMRTC-SC plug-in is removed. If the hardware real-time clock becomes available, then the firmware real-time clock is no longer used.
The checkbox is cleared by default. It does not apply to
Micro820
 L20E controllers.
Adjust for daylight saving time (+01:00)
Adjusts the real-time clock one hour forward during summer months.
The checkbox is cleared by default and is available when connected to the controller.
The option applies to
Micro820
 L20E,
Micro850
 L50E, and
Micro870
 L70E controllers for version 22.00 or 23.00 controller projects.
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