Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 587
Chapter 21
Real Time Clock (RTC) instructions
Real Time Clock instructions are used to configure the calendar and the clock.
Function block Description
RTC_READ on page 407 RTC_READ reads the RTC preset and RTC information.
RTC_SET on page 410 RTC_SET sets RTC status or write RTC information.