Need help with Micrologix 1400 - RTC

I am using Micrologix 1400 with RSLogix 500 for the first time and having some trouble using the Real Time Clock - RTC.

Reading the values is no problem but how do I write to them?

I tried a mov command to move an integer to RTC:0.YR and I get an Invalid Data Type in the destination. A copy also did not work.

Using a mov command to read it to an INT was no problem.

What am I doing wrong?

The MicroLogix-specific Copy Word (CPW) instruction is necessary for writing to elements of a Function File, including the RTC.

Don't write to the Day of Week (.DOW); that will fault the controller.

Thx

Awesome!

Thanks!