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create a flowchart Using brief below 1 A call button is pressed next to the door at Level 0 or Level 1 . 2 If
create a flowchart Using brief below
A call button is pressed next to the door at Level or
Level
If the goods lift is at the other level to the user, it will
move to the level called and stop.
After a short time delay, the door can be manually
opened to allow the user to enter and the goods to be placed inside.
When inside the goods lift, the user must manually
close the door.
The user must press a select button for Level or
Level
The goods lift will start to move to the other level
after a short time delay.
The movement of the goods lift to the other level
takes seconds.
The goods lift stops.
After a short time delay, the door can be manually
opened by the user so they can exit and remove the goods.
After they exit, the door must be manually closed by
the user.
The process repeats from
The client has not stated that the DC electric motor needs to change direction to move the goods lift between levels, as this could be achieved in other ways.
To control the goods lift, One Lift Services has requested a prototype control system that will, as a minimum:
indicate that the call button has been pressed on either level
indicate when the door to the goods lift can be opened
indicate the level that has been selected when inside the goods lift
control a DC electric motor to move the goods lift to the other level.
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