Coffee Machine

1
Coffee Machine

• By Ozge Kaplan Babiharan Paranjothy

2
Contents

• Introduction
• Deltronics Control Box
• Control 95
• Equipment

3
Deltronics Control Box

• The Control Box is connected to the computer
  through serial port.
• It has 4 analogue inputs, 8 digital inputs and
  outputs and 4 motors. The motors can also use the
  outputs to function.

4
Control 95

• We have used Control 95 Flow Chart Editor to
  program our coffee maker.

5
Pumps

• The pumps we are using is from a car wind screen.
• We use the pumps to fill in the kettle and to
  fill in the warm water from the kettle to the
  cup.

6
Kettle

• The kettle is also connected the Deltronics
  Control Box.
• It heats the water until it comes to a certain
  temperature.
• Low voltage kettle for safety reasons so we had
  to use a power box to make the voltage high.

7
Fill-Up Sensor

• Sensors being screwed inside top of the kettle
  cap

8
Temperature Sensor

• Temperature sensor is inserted in the kettle and
  connected to the Deltronics Control Box.

9
Stir

• Stir is connected to the Deltronics Control Box.
  The stir is placed in the cup

10
Program process

• We need to connect all the produces together.

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Coding for fill in the kettle

• The pump is connected to motor A.
• The fill-up sensor is connected to input 0.
• Motor A is switch on.
• Is input 0 off?
• If yes switch motor A off.
• If no then carry on filling.

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Coding for heating

• The kettle is connected to Output 7.
• The temperature sensor is connected to the
  analogue input (Value1).
• Switch on kettle.
• Is value1 equals to 41 or more?
• If no carry on heating.
• If yes switch off kettle.

13
Coding for emptying the kettle

• Pump is connected to motor B.
• Switch on pump.
• Wait for 100 seconds.
• Switch of pump.

14
Coding for stirring

• The stir is connected to motor C
• Switch on stirrer
• Wait for 10 seconds
• Switch off stirrer

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• Thank you for listening to our presentation