A metal-punching press with pneumatic logic should operate when the four combinations define in the figure exist, and it should not operate if any other combination exists. Design a logic system for starting. The signal from the sensor operated by the guard is A, the signal from the operator is B, and the signal from the workpiece is C. D is the signal from the remote sensor. (X represents don't care in the truth table)

What will be an ideal response?




Using K-Map the logic expression can be minimized.





Logic Circuit - By assuming that are available:

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What happens if the pressure sensor is located some distance away from the programmable controller?

What will be an ideal response?

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The fuel used per person for mass transportation compared to travel in a single occupancy vehicle is _____.

a. about the same b. much higher c. much lower d. slightly lower

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The most prevalent nutrients in plant parts and seeds are:

a. proteins c. carbohydrates b. lipids d. hormones

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____________________ refers to the simplest starting arrangement in which the three-phase AC motor is connected across full line voltage for operation in one direction of rotation.

Fill in the blank(s) with the appropriate word(s).

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