Rockwell Automation AADvance Controller Demo Unit - Manual (Page 59)

Document: 553850 Issue 1.2: March 2011 4-25
RTC Status: Milliseconds
Direction: input to application from controller
Type: word
Values:
 0 to 999
Description:
Reports the oldest value of real-time clock (RTC) milliseconds as voted by every 9110
processor module which is present and synchronized. Only updated if the real-time
clock control Boolean RTC Read is set to TRUE. If RTC Read is FALSE, the value will
be 0 (zero).
RTC Program Variables
The variables in the rack of RTC program variables specify parts of the date to be
written to the real-time clock the next time the RTC control variable RTC Write is
asserted TRUE.
Note: The values will be written only if the RTC control variable Year is TRUE.
RTC Program: Year
Direction: output from application to controller
Type: word
Values:
 2,000 to 2,399
 Default 0 (zero)
Description:
Specifies the year part of the date to be written to the real-time clock the next time
the RTC control variable RTC Write is asserted TRUE. The value will be written
only if the RTC control variable Year is TRUE.
RTC Program: Month
Direction: output from application to controller
Type: word
Values:
 1 to 12
 Default 0 (zero)
Description:
Specifies the number of the month part of the date to be written to the real-time clock
the next time the RTC control variable RTC Write is asserted TRUE. The value will
be written only if the RTC control variable Month is TRUE.