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Question #1 A- A+ Puch 1 Pieces arrival belt B+ ? Box 1 Puch 2 Box 2 B- When the system is in operation (button m at 1) the belt brings a piece. When the piece is in front of pusher 2, there are 2 possibilities: - If the piece is pyramidal, pusher 1 pushes it into box 1. - If the piece is prismatic, pusher 2 moves back and the belt drops the piece into box 2. Note: The sensors used are: • pusher 1 and 2 retracted: a0 and 60 pusher 1 and 2 out: al and bl • pyramid piece in front pusher 2: t • prismatic piece in front pusher 2: p o piece dropped in box 2: b2 Question! Give the GRAFCET (Functional Graph of Control by Steps and Transitions) of the system described above. 

          Question #1
A-
A+
Puch 1
Pieces arrival belt
B+
?
Box 1
Puch 2
Box 2
B-
When the system is in operation (button m at 1) the belt brings a piece.
When the piece is in front of pusher 2, there are 2 possibilities:
- If the piece is pyramidal, pusher 1 pushes it into box 1.
- If the piece is prismatic, pusher 2 moves back and the belt drops the piece into box 2.
Note: The sensors used are:
• pusher 1 and 2 retracted: a0 and 60
pusher 1 and 2 out: al and bl
• pyramid piece in front pusher 2: t
• prismatic piece in front pusher 2: p
o piece dropped in box 2: b2
Question!
Give the GRAFCET (Functional Graph of Control by Steps and Transitions) of the
system described above.
Show more…
Question #1 A- A+ Puch 1 Pieces arrival belt B+ ? Box 1 Puch 2 Box 2 B- When the system is in operation (button m at 1) the belt brings a piece. When the piece is in front of pusher 2, there are 2 possibilities: - If the piece is pyramidal, pusher 1 pushes it into box 1. - If the piece is prismatic, pusher 2 moves back and the belt drops the piece into box 2. Note: The sensors used are: • pusher 1 and 2 retracted: a0 and 60 pusher 1 and 2 out: al and bl • pyramid piece in front pusher 2: t • prismatic piece in front pusher 2: p o piece dropped in box 2: b2 Question! Give the GRAFCET (Functional Graph of Control by Steps and Transitions) of the system described above.

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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Please help me I know how this system works but I don't know how to draw the GRAFCET because this is the problem I'm facing now and I don't know how to draw it Question#1 Puch 1 Pieces arrival belt +B B- Puch 2 . Box2 Box 1 When the system is in operation (button m at 1the belt brings a piece When the piece is in front of pusher 2,there are 2 possibilities: -If the piece is pyramidal,pusher I pushes it into box 1 -If the piece is prismatic,pusher 2 moves back and the belt drops the piece into box 2 Note:The sensors used are: Opusher 1 and 2 retracted:a0 and b0 pusher l and 2 out:al and bl pyramid piece in front pusher 2:t prismatic piece in front pusher 2:p piece dropped in box 2:b2 Question! Give the GRAFCET(Functional Graph of Control by Steps and Transitions)of the system described above.
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Transcript

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00:01 So the solution for the given question is as follows.
00:09 Pressure switch to monitor system.
00:19 Monitor pressure that will be smaller than 6 bar.
00:27 Minus 3 by 2 way directional control valve for each cylinder.
00:51 1a1 and 2a1 to control out stroke and in stroke speed.
01:20 2cv or speed control of each cylinder.
01:39 That is 5 by 2 way directional control valve for each cylinder.
01:56 2cv to control the actuation of the electro -pneumatics technology.
02:26 Limit switch b5 to detect the presence of a package.
02:48 Proximity switch is 1b1, 1b2, 2b1 and 2b2 to monitor the end positions of both cylinders.
03:28 Time relay for 3 second delay.
03:44 Counter for counting 3 packages.
03:57 Now reset button to reset the counter and restart the system.
04:19 Now we will create an equipment list here.
04:23 First pressure switch, second 3 by 2 way directional control valves and this is the quantity.
04:51 Third low control valves is 4 and 5 by 2 way directional control valves...
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