Lab-Volt Tech-Design eSeries User manual

Tech-Design®
Controls & Sensors
Activity Guide
eSeries
Edition 1
37647-S0

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FIRST EDITION
First Printing, June 2010
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ISBN 978-1-60533-272-7

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Controls & Sensors Table of Contents
Activity Guide
Tech-Design by Lab-Volt vii
Introduction..................................................................................................1
The schertechnik Control System
Using the Interface.....................................................................................3
Using the Software.....................................................................................6
Motor Control
Garage Door Opener .................................................................................8
Hand Dryer
Hand Dryer...............................................................................................12
Sequential Light
Sequential Light .......................................................................................16
Trafc Light
Trafc 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

Table of Contents Controls & Sensors
Activity Guide
viii Tech-Design by Lab-Volt

Activity Guide
Tech-Design by Lab-Volt 1
Controls & Sensors Introduction
Introduction
This Activity Guide is to be used with the multimedia course presentation and the Student Guide. The
Activity Guide remains at the workstation and contains information and procedures that are specic to the
course. Please do not write 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 specic 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 Mind-Sight™Lab-Volt®
Multimedia eTraining System Installation and User Guide (Mind-Sight Installation and User Guide).

Activity Guide
2Tech-Design by Lab-Volt
Introduction Controls & Sensors
Equipment and Supplies
The following equipment and supplies are provided with the Controls & Sensors course:
____ Multimedia Presentation
____ Mind-Sight™Lab-Volt®Multimedia eTraining System Installation and User Guide
____ Activity Guide
____ Student Guide
____ The schertechnik®Control System
____ ROBO Interface
____ Wire Stripper
____ Power Supply (9VDC, 1A)
____ Stopwatch
____ ROBO Pro Software

Activity Guide
Tech-Design by Lab-Volt 3
Controls & Sensors The schertechnik 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 schertechnik 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.

Activity Guide
4Tech-Design by Lab-Volt
The schertechnik Control System Controls & Sensors
Digital Inputs I1-I8
For digital sensors such as pushbuttons and phototransistors, connect them to #12.
Analog Resistance Inputs AX and AY
For analog inputs such as NTC resistances, connect them to #11.
Interfaces USB, or Serial
The interface is connected over the serial interface #16 or the USB interface #17 with the PC. A
connection cable is supplied for each of the interfaces. The device is compatible with the USB 1.1 and 2.0
specications and works with a data rate of 12 Mbits/s.
Selection of the Interface
The selection of the interface is done by the programming software. The interface automatically accesses
the interface, from which it is receiving data. Then the LED blinks, which is assigned to the particular
interface, #6 for the USB and #7 for the serial. If data is not received from any interface, then both LEDs
blink alternately (autoscan mode).
Fixed Setting for a Certain Interface
By pressing the pushbutton #5, you can select a certain interface. Then the LED for the selected interface
lights up. As soon as data “ows” over the selected interface, the LED blinks. You can return to automatic
interface selection by pressing pushbutton #5 several times until 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 interface.
The Download Mode
In this operating mode, a program is loaded onto the interface and runs independent of the PC. Two
different programs can be loaded into the Flash memory. These are still retained even after the power
supply is turned off. It is also possible to load a program into the RAM. This program is deleted as soon
as the power supply is interrupted or a program is started, which is in the FLASH memory.
The instructions for use of the ROBO Pro software describing how to load a program into the particular
memory of the interface, follows:
Use pushbutton #4 to select, start, and stop programs that are stored. To select a program, press and
hold pushbutton #4 down. If a program was stored in Prog1, then after about one second, the “Prog1”
LED lights up. If you hold it down for one more second, then it switches to “Prog2”, if a program is stored
there. After one more second, the program 3 (both LEDs are illuminated) would be selected in the RAM,
if anything is stored there. After one more second, both LEDs are turned off. Then no program has been
selected.

Activity Guide
Tech-Design by Lab-Volt 5
Controls & Sensors The schertechnik Control System
Selection and Start of a Program in the Flash Memory
Press and hold pushbutton #4. The green LED beside the button indicates the selected program1.
(1 or 2, continuously illuminated indicator lights). When the desired program has been selected,
release the pushbutton.
To start the program, press 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 the1.
same time. Then release the button. Both LEDs are illuminated only if a program is in the RAM.
To start the program, press pushbutton #4 again. As long as the program is running, both LEDs2.
blink.
To end the program, press pushbutton #4 again. The LEDs are then continuously illuminated.3.

Activity Guide
6Tech-Design by Lab-Volt
The schertechnik Control System Controls & Sensors
Using the Software
Open the ROBO Pro software. Follow the directions below to complete the activity. You will be using the
following options when you run the schertechnik control software. These options are accessed from the
menu bar at the top of the screen.
File—From File you can select the options by left-clicking on them. If you select, New, the software
will create a new program sheet. If you select Open, an existing program will be opened. Selecting
Exit will exit the program that is open.
View—The View option displays text under the toolbar icons and should have a checkmark in front of
the selection when you left-click on View.
Level—For this module, you will only be using Level 1: Beginner. Left-click on Level on the menu bar
and left-click on Level 1: Beginner if it doesn’t have a check mark in front of it.
You will now explore the tools in the schertechnik control software. The tool buttons appear in the toolbar
under the menu bar.
New—Opens a blank program sheet.
Open—Opens an existing program.
Save—Saves any changes to a program le that is open.
Delete—Deletes any object, line, or text in a program by left-clicking on the delete icon then on the
item 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 be selected.
Test—Opens the Interface Test window showing the available inputs and outputs. Testing the input
device can be done by pressing the button on a switch, or shining a light into the phototransistor. A
checkmark will appear in the box that the device is connected in the test window. If the output device
is a motor, it can be tested by clicking on the CCW or CW radio button, for the output that the motor is
connected to. CCW will turn the motor counter-clockwise. CW will turn it clockwise and Stop will stop
it from running. If the device is a lamp CCW and CW will turn the lamp on and Stop will turn the lamp
off.
Go—Similar to the Run program option.
Pause—Pauses the program wherever it is at the time and continues when pause is selected again.
Step—Steps through the program elements one at a time. When the Step button is pressed, the
program goes to the next program element. If you execute a Time Delay or Wait For Element, it will
wait either for the time to lapse or for you to press a button.
Zoom Out or Zoom In—Zooms the program window in or out.

Activity Guide
Tech-Design by Lab-Volt 7
Controls & Sensors The schertechnik Control System
Your computer screen should resemble the one shown below. After you have taken a minute to 1.
familiarize yourself with each of the menu bar options, and the toolbar commands, select Open on
the toolbar. A window will appear which contains a list of program les. At the top of the window is
a Look in drop-down. Click on the arrow, then on the desktop icon to nd your program folder from
the list. Highlight it and click Open. Notice that next to each le name is a ROBO Pro icon. This
indicates that the le is a schertechnik program le. Also, notice that each le name describes the
associated model.
ROBO Pro Screen
To see what a schertechnik program looks like, double-click on the program le “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 toolbar and see what happens. There3.
will be a red outline around each program element as the program moves through each step. Using
your stopwatch, you and your partner will take turns timing the program. Start the stopwatch when
you press the Run button and stop the watch when “The program is nished box” appears on the
screen. It should take approximately two minutes.
When you are nished, select File from the menu bar and then Exit.4.

Activity Guide
8Tech-Design by Lab-Volt
Motor Control Controls & Sensors
Garage Door Opener
Open the ROBO Pro software. Follow the directions below to complete the activity.
In this activity, you will construct your rst schertechnik model called Motor Control and you’ll run the
ROBO Pro control program software in your folder on the desktop and start your model. Refer to the
illustration on the following pages as you construct this model.
As the illustration shows in Step 1, start building with the black base unit and add the blocks to1.
it as shown. The number in front of the “x” is the quantity of that item used in this step. The red
horseshoe shaped pieces are for holding the wires in place. The controls and sensors used in the
schertechnik 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 mounting blocks and connect the wiring to the4.
switches and motor. Next to each red and green wire are the approximate lengths in metric and
standard units. Pay attention to the color location of each red and green connector on the device
and on the interface.
Make sure you’ve made all the plug connections on the interface (including power). Place the wires5.
in the red clips, as described, before running them in the most direct route to the interface.

Activity Guide
Tech-Design by Lab-Volt 9
Controls & Sensors Motor Control

Activity Guide
10 Tech-Design by Lab-Volt
Motor Control Controls & Sensors

Activity Guide
Tech-Design by Lab-Volt 11
Controls & Sensors Motor Control
Open the ROBO program “Motor Control Activity 1”. Run this program. The program simulates 6.
how a garage door operates; waiting for someone to press the Open button on the remote, in this
case I1. Once pressed, the motor opens the door fully until I2 is pressed stopping the motor. 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 ow 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 from running with the Stop button.7.
Disassemble the model and return all the parts into the trays.8.
Select File from the menu bar and then Exit.9.

Activity Guide
12 Tech-Design by Lab-Volt
Hand Dryer Controls & Sensors
Hand Dryer
Open the ROBO Pro software. Follow the directions below to complete the activity.
In this activity, you will construct your schertechnik model, Hand Dryer, and run a ROBO Pro control
program to start your model. Refer to the illustration on the following pages as you construct this model.
Start building with the black base unit and add the blocks to it as shown in the illustration. The1.
number in front of the “x” is the quantity of that item used in this step. The red horseshoe shaped
pieces are for holding the wires in place. The controls and sensors used in the schertechnik
system have wires with small plugs on the ends to connect to the interface.
In Step 2, assemble the motor and fan blade together with the yellow guard as shown in the2.
illustration.
In Step 3, assemble the lens tip lamp and the phototransistor to the base unit as shown in the3.
illustration.
In Step 4, slide the interface onto the four corner mounting blocks and connect the wiring to the4.
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 wire are the
approximate lengths in metric and standard units. Pay attention to the color location of each red and
green connector on the device and on the interface. The red dot on the phototransistor must go
to the red wire or you could damage the device.
Make sure you’ve made all the plug connections on the interface (including power). Place the wires5.
in the red clips as described before running them in the most direct route to the interface. Feel free
to route the wires in a direction that is more convenient if your wire gets shorter because of repairs.
Just make sure they are making the same connection needed.