A- Program using GRAFCET the following sequence of operations as part of an industrial process. [ 8 points ]

When (start push Potton) is pressed, the box conveyor moves. Upon detection of box present, the box conveyor stops.

At same time the bottle conveyor will start to move if a s1 active. Bottle filler will work for 3 second.

If s2 active the bottle will be covered. The cover will down for 1 second then up.

If s3 active an arm will hold the bottle and move it toward the box. This arm moves down, up, out for 2 second for each movement.

Box can only have 6 bottles. For each 6 bottles a new box must available.

Start and stop pushbutton for starting and emergency, respectively.

B- Draw the output K1 and K2 according to the following inputs:

[ 4 points]

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