Rockwell Automation AADvance Controller Demo Unit - Manual (Page 57)

Document: 553850 Issue 1.2: March 2011 4-23
RTC Status Variables
The RTC status variables provide information about the controller real-time clock to
the application.
RTC Status: Year
Direction: input to application from controller
Type: word
Values:
2,000 to 2,399, or 0 (see description)
Description:
Reports the oldest value of real-time clock (RTC) year 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 Status: Month
Direction: input to application from controller
Type: word
Values:
1 to 12, or 0 (see description)
Description:
Reports the oldest value of real-time clock (RTC) month 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 Status: Day of Month
Direction: input to application from controller
Type: word
Values:
1 to 31, or 0 (see description)
Description:
Reports the oldest value of real-time clock (RTC) day of the month 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).