Rockwell-automation AADvance Controller Demo Unit Bedienungsanleitung PDF herunterladen (Seite 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).

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Rockwell-automation AADvance Controller Demo Unit Bedienungsanleitung Seite 57