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Absolute

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  1. We have an application that monitors an oven. We define a total cycle time from a user input, between 3 minutes and 4 hours. Then we start both a timer set to the user input and a timer that counts to 10 seconds and resets over and over. The user input value timer will end the cycle and the 10 second is to make a printer print time (hour:min:sec no date) and current temp. The problem we are having is that if we start the cycle at 1:36:00 the 10 second interval prints will not consistently show times that are ten seconds apart! we might get 3 lines with 10, 20, 30 but then it will show 41 or maybe 39 as the next seconds value, then after 3 or four times ending in the +1 or -1 seconds value it will go back to the original ends in 0 values. This will repeat over and over again during a long cycle happening between 17 and 19 lines between + or - 1 and it lasts between 3 and 5 lines before reverting. Are we trying to do something that the clock can't really do to an accuracy of one second?
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