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Activity Guide
Tech-Design by Lab-Volt

3

Controls & Sensors

The fischertechnik Control System

Using the Interface

Only the features of the interface that will be used in the Lab-Volt Controls and Sensors course will be

discussed here. The number references described pertain to the graphic shown here.

ROBO Interface

ROBO Interface

The ROBO interface allows communication between a PC and a model. It transforms the commands

from the software so that motors can be activated and signals from sensors such as scanners,

phototransistors, reed contacts and NTC resistances, can be processed.

Power supply 9VDC @ 1000ma #1 or #3

Two choices are available, either the fischertechnik power unit 9VDC @ 1 Amp item No. 37109 connected

to the DC socket #1 or the AccuSet item No. 34969 connected to +/- sockets #3. After the power supply

is turned on, there is initially a test of all LEDs. When the two green LEDs #6 and #7 blink alternately, the

interface is ready for operation.

Outputs M1- M4

Connection of four motors (forward, backwards, off, or eight speed levels) connected to #14.

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Summary of Contents for Tech-Design eSeries

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Page 3: ...Tech Design Controls Sensors Activity Guide eSeries Edition 1 37647 S0 ...

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Page 5: ...demarks are the property of their respective owners Other trademarks and trade names may be used in this document to refer to either the entity claiming the marks and names or their products Lab Volt Systems Inc disclaims any proprietary interest in trademarks and trade names other than its own FIRST EDITION First Printing June 2010 Copyright 2010 Lab Volt Systems Inc All rights reserved No part o...

Page 6: ...Volt 5 Termination This agreement is effective until terminated It will terminate automatically without notice from Lab Volt if you fail to comply with any provisions contained herein Upon termination you shall destroy the written materials Lab Volt s software and all copies of them in part or in whole including modified copies if any 6 Registration Registration of your purchased software product ...

Page 7: ...arage Door Opener 8 Hand Dryer Hand Dryer 12 Sequential Light Sequential Light 16 Traffic Light Traffic Light 20 Sliding Door Sliding Door 25 Temperature Control Temperature Control 30 Temperature Control Programming Temperature Flowchart Program 33 Welding Robot Welding Robot 36 Welding Robot Programming Welding Flowchart Program 40 Appendix A Safety 43 Appendix B Program Elements 45 ...

Page 8: ...Table of Contents Controls Sensors Activity Guide viii Tech Design by Lab Volt ...

Page 9: ...ite in this Activity Guide Record all of your notes and data in your own Student Guide The multimedia course presentation will refer you to a specific activity title in this guide Some units may not have activities requiring directions in this Activity Guide therefore that unit title will not appear in the Table of Contents Tips for navigating the multimedia course presentation can be found in the...

Page 10: ...e provided with the Controls Sensors course ____ Multimedia Presentation ____ Mind Sight Lab Volt Multimedia eTraining System Installation and User Guide ____ Activity Guide ____ Student Guide ____ The fischertechnik Control System ____ ROBO Interface ____ Wire Stripper ____ Power Supply 9VDC 1A ____ Stopwatch ____ ROBO Pro Software ...

Page 11: ...from the software so that motors can be activated and signals from sensors such as scanners phototransistors reed contacts and NTC resistances can be processed Power supply 9VDC 1000ma 1 or 3 Two choices are available either the fischertechnik power unit 9VDC 1 Amp item No 37109 connected to the DC socket 1 or the AccuSet item No 34969 connected to sockets 3 After the power supply is turned on the...

Page 12: ...l the LEDs for the serial and the USB interface blink alternately again Programming the Interface The standard programming software for the ROBO interface is the graphic programming language ROBO Pro The interface works in the following operating modes Online Mode The interface is continually connected to the PC USB or serial cable The program runs on the PC and the monitor serves as the user inte...

Page 13: ...ess button 4 again As long as the program is running the LED blinks 2 To end the program press button 4 again The LED is then continuously illuminated 3 Selection and Start of a Program that is in RAM Press and hold pushbutton 4 down until both green LEDs beside the button are illuminated at the 1 same time Then release the button Both LEDs are illuminated only if a program is in the RAM To start ...

Page 14: ...tem on the program sheet The following options only operate if the computer is connected to the interface Run Runs a program from the start element Stop Stops a program from running Download This tool will not be used in this course Com USB This is the type of interface you are using In most cases the USB radio button will be selected and in all cases the ROBO Interface new radio button needs to b...

Page 15: ... Also notice that each file name describes the associated model ROBO Pro Screen To see what a fischertechnik program looks like double click on the program file Using the 2 Software The Interface needs to be connected to the computer for the next steps If you need help connecting the interface view the Course Introduction Video again Once you have connected the interface select Run from the toolba...

Page 16: ...e shaped pieces are for holding the wires in place The controls and sensors used in the fischertechnik system have wires with small plugs on the ends to connect to the interface In Step 2 assemble the motor and gear unit together as shown in the illustration 2 In Step 3 assemble the three switches to the base unit as shown in the illustration 3 In Step 4 slide the interface onto the four corner mo...

Page 17: ...Activity Guide Tech Design by Lab Volt 9 Controls Sensors Motor Control ...

Page 18: ...Activity Guide 10 Tech Design by Lab Volt Motor Control Controls Sensors ...

Page 19: ...tor The driver would then drive into the garage Ten seconds later the door motor will close until switch I3 is pressed stopping the motor and exiting the program If you zoom out until the 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 To restart the model you must run the program again Stop the program f...

Page 20: ...n in the 2 illustration In Step 3 assemble the lens tip lamp and the phototransistor to the base unit as shown in the 3 illustration In Step 4 slide the interface onto the four corner mounting blocks and connect the wiring to the 4 lamp phototransistor and motor You may have to reverse the order of the red and green connectors on the motor itself to have it blow forward Next to each red and green ...

Page 21: ...Activity Guide Tech Design by Lab Volt 13 Controls Sensors Hand Dryer ...

Page 22: ...Activity Guide 14 Tech Design by Lab Volt Hand Dryer Controls Sensors ...

Page 23: ...n follow the flow of the program The program element is outlined in red as it runs each step The program will turn on the light barrier and wait for the beam of light to be broken When that 6 happens the drying motor will turn on for five seconds and then turn off When you are done stop the program disassemble the model and return all the parts into the 7 trays Select File from the menu bar and th...

Page 24: ... the fischertechnik system have wires with small plugs on the ends to connect to the interface Assemble the lights onto the light post as shown in the illustration 2 Assemble the lens onto the lamps and complete the wiring to the interface unit as shown in the 3 circuit diagram illustration Next to each red and green wire are the approximate lengths in metric and standard units Pay attention to th...

Page 25: ...Activity Guide Tech Design by Lab Volt 17 Controls Sensors Sequential Light ...

Page 26: ...Activity Guide 18 Tech Design by Lab Volt Sequential Light Controls Sensors ...

Page 27: ...e program element is outlined in red as it runs each step The program will turn on the red light and then turn on the yellow light It will then turn on the green 6 light and then turn off the green light and exit the program Using the stopwatch complete the Timing Activity Data Sheet found in your Student Guide 7 When you are done stop the program disassemble the model and return all the parts int...

Page 28: ...e wires with small plugs on the ends to connect to the interface Assemble the lights onto the light post as shown in the illustration 2 Assemble the lens onto the lamps and slide the interface onto the four corner mounting blocks 3 Connect the wiring to the interface unit as shown in the circuit diagram illustration Next to each red and green wire are the approximate lengths in metric and standard...

Page 29: ...Activity Guide Tech Design by Lab Volt 21 Controls Sensors Traffic Light ...

Page 30: ...Activity Guide 22 Tech Design by Lab Volt Traffic Light Controls Sensors ...

Page 31: ...Activity Guide Tech Design by Lab Volt 23 Controls Sensors Traffic Light ...

Page 32: ... 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 t...

Page 33: ... instructed to do so later Assemble the gear unit and then slide it onto the motor To complete this operation slide the motor 5 back a little and then slide the gear unit onto the front of the motor as shown in the illustration After mounting the door top support slide the door to the full closed position Then slide the motor gear unit up to the gear track on the bottom of the door until the teeth...

Page 34: ...Activity Guide 26 Tech Design by Lab Volt Sliding Door Controls Sensors ...

Page 35: ...Activity Guide Tech Design by Lab Volt 27 Controls Sensors Sliding Door ...

Page 36: ...Activity Guide 28 Tech Design by Lab Volt Sliding Door Controls Sensors ...

Page 37: ... door only if the light barrier is not blocked when someone presses switch 9 I3 and then it will close by itself after 5 seconds and only if the light barrier is not blocked Switches I1 and I2 are used as limit switches and tell the computer when the door is fully closed and opened I4 is a phototransistor and sees the light from M2 and questions if there is anything blocking the light beam When yo...

Page 38: ...e and fan guard into their locations as shown in the illustration 2 Assemble the lens tip lamp and the thermal sensor as shown in the illustration 3 Insert the interface onto the four corner mounting blocks and connect the wiring to the interface unit 4 as shown in the circuit diagram illustration Next to each red and green wire are the approximate lengths in metric and standard units Pay attentio...

Page 39: ...Activity Guide Tech Design by Lab Volt 31 Controls Sensors Temperature Control ...

Page 40: ...Activity Guide 32 Tech Design by Lab Volt Temperature Control Controls Sensors ...

Page 41: ...s shown in the graphic below Test Interface Look in the Analog inputs section of the Interface test box and record the value of the AX input This is the value of the temperature sensor based on the room temperature of your classroom today You will use this value in your program when instructed To create a control program you insert program elements on the program screen You do this by first left c...

Page 42: ...og Input select AX and under Condition select and 10 enter the value for the temperature sensor from the screen test you recorded in your classroom but add a couple units more to it Leave the y n pins as they are Click OK Move the mouse over the N output of this element until the cursor turns to a hand and left click 11 Draw a line two grid points to the right and click Then move up to the middle ...

Page 43: ... on and heat the NTC device until the resistance drops below the value you have stored in the Analog Branch element under the Start element When the resistance drops below the value you have stored the lamp will turn off and the fan motor will turn on to cool the NTC device until the resistance rises above the stored value in the lower Analog Branch element When the resistance rises above the stor...

Page 44: ...rm gear to the motor by sliding gear item number 2 through the gear unit and 5 into one side of the worm gear Next slide the four toothed gear item number 2 through the red mounting block and into the other side of the worm gear and then mount the welding arm that you assembled in Step 4 to its mount as shown in the illustration At this point the worm gear should be meshed with the table gear If i...

Page 45: ...Activity Guide Tech Design by Lab Volt 37 Controls Sensors Welding Robot ...

Page 46: ...Activity Guide 38 Tech Design by Lab Volt Welding Robot Controls Sensors ...

Page 47: ...Activity Guide Tech Design by Lab Volt 39 Controls Sensors Welding Robot ...

Page 48: ...ct M under Image select Motor and under 8 Action select Stop Keep the other defaults then click OK Drag a Branch element into the sheet under the M1 Motor Stop element until it attaches itself 9 Right click on the element and under Digital Input select I8 keeping the other defaults then click 10 OK Drag another Motor element into the sheet under the Branch element until it attaches itself to the 1...

Page 49: ...he sheet under the Motor element until it attaches itself 37 Right click on the element and under Number of pulses input 56 Under Digital Input select I2 38 keeping the other defaults then click OK Drag another Motor element into the sheet under the Pulse Counter element until it attaches itself 39 Right click on the element and under Motor Output select M1 Under Image select Motor Under 40 Action...

Page 50: ... the interface There are three welding stations The arm will rotate to each having a different pulse count As it reaches a station the lamp will light simulating welding sparks for a second then the arm moves onto the next station When the arm has reached the last welding station the motor will change direction to return the arm to the home position The program will then wait for someone to press ...

Page 51: ... to you Make sure you use the equipment in the manner intended by the manufacturer Your instructor will provide the necessary introduction to the learning environment and the equipment Here are some basic rules that you should make part of your everyday routine Make sure your behavior is appropriate to the workplace No clowning Avoid loose fitting clothing jewelry or other items that could get cau...

Page 52: ...Appendix A Safety Activity Guide 44 Tech Design by Lab Volt ...

Page 53: ...ctivity Guide Tech Design by Lab Volt 45 Appendix B Program Elements Start Element End Element Branch Element Analog Branch Element Time Delay Element Motor Element Wait for Input Element Pulse Counter Element Counter Loop Element ...

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