PLC & HMI time

Down to the last details and have added a RTC to the AB 1500 I am using. I would like to sync the time of the PLC with that of the C-more HMI. The HMI time is easy to set for the customer but not so for the 1500. The 1500s RTC is read only as I understand it so I believe the HMI will need to read the time of the PLC. What is the data type for the RTC?

Thank you.

Tom,
I don't have an RTC in my 1500 here at home but if you hold your mouse over the address in the function file it will tell you.
Example HR-Hour = RTC:0.Hour, Integer and DAY-Day = RTC:0.Day, Integer.
You can also open the RTC function file and drag these address into your program and check that way also.

Hope this helps.

See link below, read thru the whole thread.

http://www.plctalk.net/qanda/showthread.php?t=52893&highlight=RTC