Answer to Day of Week PLC programming example we placed at https://www.slideshare.net/bin95/plc-programming-example-day-of-week to see if those starting out with PLC programming could figure out how to fix. The fix is in, this it.
This is a simple solution to lab manual exercise in downloadable PLC Training Certificate course at https://bin95.com/allen-bradley-plc-programming.htm Last rung comment the solution show here also gives 2 alternate solutions (newer plc solution, and complex formula solution.) A simple solution for tracking Day of week (Mon, Tues, etc.) part of HVAC scenario 3 (page 109 of built in Lab Manual for above course).
The version you are viewing here, PLC-Programing-Example-Day-of-Week.rss is one possible working solution for the Day-of-Week PLC (DOW) program.
Also if your PLC does not have a real time clock (RTC), you could use https://www.slideshare.net/bin95/plcclock in place of RTC status bits. In some PLCs, you could use a RTC instruction.