Determine the number of items on a conveyor belt

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Reference no: EM131775950

Question: Devise ladder programs for systems that will carry out the following tasks:

(a) Give an output after a photocell sensor has given 10 pulse input signals as a result of detecting 10 objects passing in front of it.

(b) Give an output when the number of people in a store reaches 100, there continually being people entering and leaving the store.

(d) Count 10 objects passing along a conveyor belt and close a deflecting gate when that number have been deflected into a chute, allowing a time of 5 s between the tenth object being counted and closing the deflector.

(e) Determine the number of items on a conveyor belt at any particular time by counting those moving onto the belt and those leaving and give an output signal when the number on the belt reaches 100.

Reference no: EM131775950

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