1. The problem statement, all variables and given/known data Ive been asked to create a roaming 7 day alarm for college. This alarm must trigger a lamp (output), after the input, which i am using to simulate an alarm, has been pressed 10 consecutive times in a 7 day period. if it is pressed less than 10 timesin a week, then any alarm that is older than 7 days must not be counted, but all other alarms that are younger than 7 days kept. I am using N/o, N/C contacts,as well as timers, (various types i.e. off delay, on pulse one shot etc) counters and counter resets and im getting absolutly nowhere. 2. Relevant equations I am using the Zelio programme if any one is aware of this. I cannot use 7 day clocks or shift registers. 3. The attempt at a solution i have tried to use timers to trigger off by a pulse, then count for 7 days, and if another pulse come in to trigger the next timer off, and so on for 10 timers, but i can seem to get it to work. Ive been at this for at least 10 hours oveer a 3 day period now, and im getting fustrated!!! Any help would be much appreciated.