S7 315-2 DP Weekly Timer

Hi All,

Need some help with a project for college. I want to set a daily on/off timer to control an output at specified times Monday-Friday on a TP 270 Hmi. I know this can be done with a script in WinCC but I'd rather have the Plc do it. Any help would be greatly appreciated.

Check in the Step 7 library for the SFC to read the system clock.
Since this is for college, that should be a big enough hint.

Here's an example you could use as a basis:

http://www.plctalk.net/qanda/showthread.php?t=51248