Lab-Volt Tech-Design eSeries, Manual

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Activity Guide
24 Tech-Design by Lab-Volt
Traffic Light Controls & Sensors
Open and run the program “Traffic Light Activity 1”, and operate the model. If you zoom out until the 5.
whole program is displayed on your monitor, you can follow the flow of the program. The program
element is outlined in red as it runs each step.
The program will turn the lights on and off out of sequence compared to the normal sequence at
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which traffic lights operate. Your job will be to correct the sequence to green, yellow, and red.
Go to the Traffic Light Flowchart Data Sheet found in your Student Guide. You will need to fill in the
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program elements on the Data Sheet that you feel will put the light sequence in the correct order.
When you have completed your worksheet, open the model program, “Traffic Light Activity 1”.
You can choose which of the Interface’s outputs to control by means of buttons M1 to M4. a.
Under Image, choose the lamp image to represent the fischertechnik component connected to b.
the output. In our course, it will be a lamp.
The selection Interface/Extension is not used in this course and has to stay selected to IF1.
c.
Under Action, you can select how the output is to be affected. You can switch a lamp on or off. d.
Under Speed, you can set how brightly a lamp should glow. Possible values are 1 to 8. e.
Right-click on the elements in the program and change the properties to what you have on your data 8.
sheet. Run the program again. If you made the right changes, your lights will be sequencing correct
(green, yellow, red). If you need help, see your instructor for the correct program sequence.
When you are done, stop the program, disassemble the model, and return all the parts into the
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trays.
Select File from the menu bar and then Exit.
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