Electric Equipment Control And PLC B

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$$Please guys help me to solve these Questions in the follwing picture :

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$1$

$)$

$$Please explain the main function of this program segment in Example

$1$

$$and justify

why edge detection is necessary. What impact would it have on the program if edge

detection was not included?

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$2$

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$$In Example

$1$

$,$

$$when these two instructions are used together, please describe the

output signal from

$$

$1$

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$3$

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$$Please analyze how the program execution would change if the last instruction

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JMP

COMM

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$$were removed from the given three instructions.

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$5$

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$$Please describe the main role or function of this instruction.