Rockwell-automation AADvance Controller Demo Unit Manual de usuario descargar pdf (Pagina 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.

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Rockwell-automation AADvance Controller Demo Unit Manual de usuario Pagina 59