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The Go Software User Guide

1. the car park switches a different input and takes 1 away from the number of cars Make Cars Cars 1 The value of a variable can be checked by a decision symbol Is Variable x gt 5 E g when the total number of cars is greater than 5 light the Full sign Random can be used to generate a random number over a range of values between 0 and x Random x x the range of numbers Random x y y the offset along the number line Ed ia Si Random 3 1 0 1 2 3 4 l l a ad a A Random 3 1 o 1 4 2 3 1 4 Random 3 4 0 1 2 3 4 Data Harvest Group Ltd 19 ls Variable Cars gt 57 i Make noise Random f 5 6 7 8 5 6 7 8 6 7 8 DO172 3 The Go Software User Guide Random 3 will randomly generate numbers between 0 1 and 2 Random 3 1 will randomly generate numbers between 1 2 and 3 Random 3 5 will randomly generate numbers between 5 6 and 7 A decision symbol can be used to check for a random number ls Wariable noise 17 Seconds le Wariable noise 27 ls Wariable noise 37 Sound Bounce Once Sound Spin Onte Sound Hammer Once Seconds is a free running timer that starts from zero to give the elapsed time in seconds since a program was started Make time_from_start Seconds ls Variable tirne_frorn_ start gt 57 In this example it is being used to check whether it is over 5 seconds from when the program was started
2. The Flowchart created maybe edited or run in the same way as any other flowchart To check and debug a control program If there is an error in the program it can be difficult to locate exactly where it occurs because the program is running so quickly Go includes powerful de bug features that allow you to restrict which parts of a program runs and slow down or stops the program at specific points so the problem can be easily located Start Settings Start Settings Select which of the possible flowcharts Start Normally when you click on the Start Stop icon all flowcharts Pachelbel Selle ci those that begin with the Start command will run Start Settings from the Debug menu allows you to restrict exactly which flowcharts will run Run all Starts Run only the selected Starts To return to running all flowcharts select to Run all Starts Cancel Run only the current procedure or flowchart To run only the procedure or flowchart that you are currently working with in the edit area select Run xx the current procedure or flowchart s name from the Debug menu Pause and Single Step 1 Click on the Start Stop icon to start your program running 2 When it gets to the part you want to check click on the Pause icon to immediately suspend the program running 3 Click on the Single Step icon to advance one step at a time through the symbols in the program Data Harvest Group Ltd 26 DO172 3
3. Documentation means the printed documentation supplied with the Software or the pdf supplied on the CD ROM e Software means the programs contained in object code form on the disc s supplied with these conditions Licence DHG grants to the licensee a non transferable non exclusive licence or sub licence as follows e The licence permits the licensee to make further copies of the title for use within the premises of the licensee subject to the conditions set out below e Copies made in accordance with this licence may not be loaned sold or used outside the premises of the licensee other than as stated below e The content of the title being copies under the terms of this licence may not be amended changed or altered in anyway It may not be translated into another language nor will it be versioned for use on any other computer system e No part of the software may be incorporated into other programs developed or used by the licensee e The copyright notices contained in the Software must be reproduced and included in all copies of the Software e Documentation is covered by copyright refer to the document for copyright details Copies made under the terms of this licence may be used outside the premises listed in the attached schedule by o Teachers tutors preparing lessons o Students undertaking work with the permission of the teacher tutor o Students using copies made under the terms of this license in schools college
4. Make Note This option is only available when Go is set to Level 2 This function allows variables to be defined and altered e Select the letters mathematical symbols and numbers from the keypad or type them in To edit Use the C key to clear or highlight and delete using your keyboard Make Existing Variables s a ULL LE l Benno ana econds Ds E c foJ A variable is a letter or word that can be assigned a value e g Make x 0 The variable and its value will not exist until it is created by the control program being run The value of the variable can be observed once created by the program in the Variable panel Note If more than one word is used as the name of a variable there should be no spaces between the words The variables in Go are global so the value of a variable in one flowchart will be seen by all the other flowcharts and procedures in the control program Most standard mathematical operators can be used within this function etc E g Make x x 5 y 2 Note Variables are integer values they cannot be negative A variable can be used to count events E g Car Park the program starts with no cars in the car park so the value of the variable Cars is set as zero Make Cars ee gree eee 0 As a car enters the car park it switches an input and adds 1 to the number of cars Make Cars Cars 1 A car leaving
5. Q How do develop ACEs ACEs are built using the Adobe Flash Language Developers of ACEs will need access to a Flash development environment and the ability to program Flash animations using Active Script Data Harvest supply a template that can be loaded into the Flash development environment and used as the starting point for all ACE development Visit the download section of www data harvest co uk for access to the template and further technical information This template contains a base layer that controls all of the communications between the ACE and the Host Control Program i e Go Control software The developer simply builds their Active Script and animations on top of the base layer Q Is there a Copyright or Licence issue need to be aware of Developers can create ACEs making use of the freely available template from Data Harvest These non DHG developed ACEs may be sold given away or distributed in any way the author wishes without recourse to Data Harvest Group Data Harvest is not seeking to limit the manufacture or supply of ACEs In fact we are actively encouraging as large a development community as possible However we are unable to offer any technical support to the developers of ACEs commercial or otherwise Data Harvest has an ever growing world wide presence If you develop ACEs we would like to discuss selling your work via our distribution network The system used to communicate between the ACE
6. Data Harvest Group Ltd Make end_time Seconds 5 lz Variable end_time lt Seconds In this example it is being used to check whether it is more than 5 seconds from when the end time variable was created 20 DO172 3 The Go Software User Guide O The Decision symbol a e If Selection isn t already active click to select Decision e Click on the Decision icon move the mouse into the edit area and click to fix in place e Inthe selection panel click on either the Is Input Is Sensor Is Variable Level 2 only or Is Binary Input Level 2 only button e Make the selection from the panel e Click on OK to enter the completed command into the decision symbol The Decision symbol is used to check for feedback from an input signal to decide what to do next so it has both a YES and a NO line The first flow line you draw from the symbol will be from the base of the symbol this will normally be the yes line To swap these lines over double click on the decision symbol and they will automatically swap Is Input Used to check the state of an input e g to check to see if a switch has been turned on Is Input ASS Sal e Select the number of the input from the list ioe e Click on the On or Off button The number of inputs available will vary depending on the interface selected or the ACE connected In addition to input numbers you may also be offered input names these are set by t
7. icons and whether the icons show text Removing the text and Ciok here to change item using smaller icons can be useful on low resolution displays as it gives more space back to the main edit area Grid Use this option to switch a background grid on and off in the editing area With the grid on it is easier to place symbols in line with each other Set Colours Colours Click on the change button alongside the item whose colour Pn to you wish to change A colour palette will open Select the ee colour required and click on OK punning vaii ciar Click on Reset to reset the colours to the default palate Rosato dela User information Connection problems If the interface fails to connect please check the following Is the correct interface selected Check in the Interface window File menu Is the correct connection selected USB or Serial If serial connection is being used is the correct serial port selected If using USB have the device drivers been Check the device is listed as working OK in loaded Device Manager XP Start Control Panel Classic View System gt Hardware tab Device Manager Universal Serial Bus Controllers Vista Start gt Control Panel Classic View System gt Tasks Device Manager Universal Serial Bus Controllers Is the Control interface powered Is the power light on Is the Control device ignoring Go because it is Press the GO button to switch off remote mode
8. is used to b OB Z generate a variable and assign a value caa i coL Random Use this option to check the value of a variable and make an action based upon it For example Is Counter 5 a Is Counter lt 99 Is Binary Input Note This option is only available when Go is set to Level 2 Binary Input uses an 8 bit byte to allow the setting ls Binay Input of significant bits from one command These bytes a J are accessed through their decimal equivalent GIs lt J peor g The Binary Input command is used to check the paro EPA state of multiple inputs in one command Aue Crea a Hooooooo 128 64 3216 8 4 2 1 e Select the either the greater than gt equal Bina Bit Vale to less than lt not equal to lt gt greater than or equal to gt less than or equal to lt symbol e Enter the decimal equivalent of the byte to be sent by either clicking on the number buttons or use the Binary calculator to calculate the decimal equivalent and click on Apply e Select OK to enter the completed command into the input symbol Calculating the Decimal equivalent To check if an input is on the bit for the input is set to 1 if not it is set to 0 The decimal is created from the byte created by setting the bits to check the inputs The table below indicates the bit pattern and decimal values for the byte when one input is to be checked at a time eto e07 eto ats
9. ors ors ore oes Bye Mae tut 0 oO o o o O o O 00000000 O Aloft 0 o o o o o o 1 00000001 1 E E 0 0 0 0 0 0 1 O 00000010 2 on 0 oO 0 o oO 1 0 o 00000100 4 3on po oO o o 1 o O o 00001000 8 4on 0 oO of 1 o O0 0 O 00010000 16 Son po 0 1 o o o O O 00100000 32 Gon 0 t o o O O O o 01000000 64 Zon 1 o o o o o O o 10000000 128 Bon To check multiple inputs add together the decimal values for each input and use the total as the Binary Input value Example To check Inputs 2 and 3 the binary value will be 6 2 4 6 The byte sent would be 00000110 A variable can be compared to the binary code generated by the inputs This could be used in making a combination lock where the variables could be used to store a predefined input code Data Harvest Group Ltd 22 DO172 3 The Go Software User Guide The Stop symbol e Ifthe Selection tool isn t already active click to select e Click on the Stop icon move the mouse into the edit area and click to fix in place e Stop will automatically be selected If Stop All is required select the Stop All button in the selection panel e Click on OK Stop The Stop command is used to stop a flowchart or a procedure Depending on where it is used it will have different effects Stop at the end of a flowchart when
10. 128 bytes When you test compile or compile and download your program the memory used indicator will show an approximation of the amount of memory used The size of program that can be downloaded entirely depends on the complexity of the program For the simplest program one start switching outputs on or off and wait FlowGo and SOLO 28 will accept 200 commands max SOLO 18 will accept 75 commands max There are some limits to a program for download and if they are exceeded a compile error message will be displayed For example with FlowGo e Use a maximum of 4 flowcharts Starts e Use only Variables x and y e Use a maximum of 16 different valued Wait commands If Wait 2 seconds is used 5 times in a program then this will be counted as one value of wait If Wait 1 Wait 2 and Wait 3 are used this will count as three values of wait e Use a maximum of 16 different constants e Use a maximum of 16 different procedures If Procedure Flash is used 5 times in a program then this will be counted as one procedure If Procedure Flash Procedure Wait and Procedure Pelican are used this will count as three procedures e Motor speed control variables are not suitable e Sound commands are incompatible e Binary input commands are incompatible Binary output commands can be used but will not reduce program size like they do with SOLO Download Program Limits Select Limit to Download from the Settings menu to limit the options availa
11. 2 Program terminology A computer controlled system needs a sequence of commands this is called a program The program should give commands in the correct order to tell the computer exactly what to do and when to do it e The Control program is the entire set of commands There is only one control program lt can be made up of one or more flowcharts e A Flowchart each flowchart begins with a Start There maybe multiple flowcharts in a control program e A Procedure a procedure is a subset of a flowchart It will not run on its own it must be called up by a flowchart There maybe multiple procedures in a flowchart Control program Flowchart Start Flowchart Start Flowchart Start Procedure Procedure Procedure Procedure Procedure Procedure Data Harvest Group Ltd 12 DO172 3 The Go Software User Guide Placing symbols and entering commands If the Selection icon isn t already active click to select Click on the symbol you require in the symbol toolbar it will highlight to show it has been selected Move the mouse over into the edit area the selected symbol will be locked to the cursor when the symbol is in the correct location click to place it Note Usually flowcharts run from the top left of the screen downwards and if required over to the right Once the symbol has been placed in the edit area the I O panel will change to a selection panel from which you choose the action required
12. Go is loaded Note To change this selection at any time CANCEL any failure to connect errors select Interface and alter the interface selection To establish connection to a Control interface click on the Connect icon on the control toolbar Data Harvest Group Ltd 7 DO172 3 The Go Software User Guide Connecting to an ACE Click on the Connect ACE con on the control toolbar A file dialogue box will appear allowing you to choose which ACE to open The ACE window An ACE can be moved and re sized like a standard window Use to minimise button on Click and drag to the Windows taskbar move the window Use to maximise completely fill Close the screen or when maximised to restore down to standard size Click and drag any edge to resize the window Right click in window to change the quality of the picture or print the ACE To show or hide To turn the ACE Inset detail input labels background sound on or off For information about the ACE description and tasks Return tothe To show or hide To show detail e g in this map output labels case the traffic lights To reset an ACE back to its original start conditions click on Reset ACE in the control toolbar Once an ACE window is connected it can be hidden instantly from view by clicking on the Hide ACE icon To restore the ACE simply click the Show ACE icon Switching Output and Inputs on the ACE Move the mouse cursor p
13. The Go Software User Guide 4 Repeat this single step procedure until you locate an error 5 Click on the Start Stop icon to stop your program running Select the symbol whose commands you wish to change and edit as required e To return to running paused programs normally click on the Resume icon e You can switch to any flowchart or procedure to see what is happening in each part of your program by selecting the flowchart or procedure from the map or the selector toolbar e f you wish to single step through the program from the very beginning click on Single Step rather than the Start Stop icon this will automatically start and pause the program on the first symbol Single Step To single step through only the procedure or flowchart that you are currently working with in the edit area select Single Step xx the current procedure or flowchart s name from the Debug menu Breakpoints Note This option is only available when Go is set to Level 2 Breakpoint is an advanced debugging tool which can be used to stop and pause a program when a certain symbol is reached From the symbol you can single step through the program to locate the error You can have as many breakpoints in a program as required This feature is particularly useful in large complex programs where you know the error occurs around a certain point Rather than having to single step through many symbols to get to the problem area the program can auto run up to t
14. and is designed to be installed on a stand alone PC or a network of PCs for which a site licence is required When Go is installed the following ACEs will also be installed ACE Town Scenario Model Pack 1 Model Pack 2 Interfaces o Zebra crossing Fairground entrance Traffic light Bridge lights Lighthouse Bee SOLO 18 Crossroads Car Washing machine SOLO 28 Pelican crossing O Contact Controller Train level crossing O Contact Controller Plus Town hall ACE Town scenario The 6 ACEs offer a progression from the simple Zebra crossing 2 outputs up to more complex systems such as the Train level crossing multiple inputs outputs and motors and finally the Town hall introduces the use of analogue sensors as triggers There is an interactive on screen map which gives a context to the town and the ACEs within The ACEs can be identified and opened via the map O Data Harvest Group Ltd 4 DO172 3 The Go Software User Guide ACE Model Pack 1 and 2 There are ACEs that match the models supplied in Model pack one and Model pack two The ACEs can be used on their own or in combination with a real interface and model The model packs are available to purchase from Data Harvest Each pack contains 3 brightly coloured flat packed plastic models which can be assembled in minutes and are compatible with most interfaces such as FlowGo ACE Interfaces When the students are working without an interface attached they can o
15. and the Host Control Program i e the Go Control Software is proprietary and Copyright Data Harvest Group Any attempt to use this protocol to communicate with other programs not authorised by Data Harvest Group will be viewed as a breach of Data Harvest Group s Copyright Note An ACE created for commercial use must be entirely original The availability of an image or sound on the Internet does not mean it is copyright free Q What support is offered to ACE developers Data Harvest supply the template and associated documentation freely However Data Harvest is unable to offer any technical support regarding ACE development and the use of the development resources supplied The template is supplied as is Data Harvest makes no warranty whether express or implied as to the merchant ability of the Software or its fitness for any particular purpose In no circumstances will Data Harvest be liable for any damage loss of profits goodwill or for any indirect or consequential loss arising out of your use of the Software or inability to use the Software even if Data Harvest has been advised of the possibility of such loss Data Harvest Group Ltd 34 DO172 3 The Go Software User Guide Licence conditions copyright information and disclaimers Definitions The following expressions have the meanings given here e DHG means Data Harvest Group Limited being owner of all intellectual property rights in the Software e
16. command Switch Motor Motors can be switched Forward Fwd Reverse Rev or Off Switch Motor A Fwd 60 The speed of a motor can be specified between 10 and Sich Cte Rev om Fwa 00 y 100 in steps of 10 tics Free on O e Click on the Rev Off or Fwd button in the row of the relevant motor e The speed of the motor will automatically default to 100 Click on the arrow button and select the appropriate speed from the drop down list bevel panel The number of motors available will alter based upon the interface selected or the ACE connected In addition to motor output letters you may also be offered names these are set by the ACE that is currently connected If Go is set to Level 2 variables can be used in this command e g to control the speed of a motor Switch Motor A Fwd x Note Variables for controlling motor speed are not suitable for download to the PIC chip in FlowGo and SOLO Sound Go can use any sound file in a wav mp3 or wma file EXP Ce fo rm at Full path to the sound file _ Switch Motor _ Motor halts sell cd hate ACE Filest4CE Sound E e Click on the Browse button Locate and select the ae sound file to be used Start playing sound and wait e Select whether the sound file will start and play ect ae op playing all sounds once default play and wait play and repeat or stop a Start playing sound the sound file will start and play while the control program conti
17. parts of a flowchart to be programmed in isolation e g in a control program for a washing machine it might include a procedure to wash the clothes another to rinse and another to spin The flowchart can then call up these procedures and repeat as required All procedures must end in a stop command See page 25 for more details Data Harvest Group Ltd 15 DO172 3 The Go Software User Guide The Output symbol e If Selection isn t already active click to select e Click on the Output icon move the mouse into the edit area and click to fix in place e Inthe selection panel click on the Switch Output Switch Motor Sound or Binary Output Level 2 only button e Make your selection from the panel e Click on OK to enter the completed command into the output symbol Switch Output Switch Output Red On Amber Off e Click on the On or Off button in the row of the relevant O output AA AS a ea a e Multiple outputs can be switched on and off in one TE exer or command select all the ones you want to use in the ee RS symbol before clicking on OK ES To edit Click on the selected button to deselect Level 1 panel The number of outputs available will alter based upon the interface selected or the ACE connected In addition to output numbers you may also be offered output names these are set by the ACE that is currently connected If Go is set to Level 2 variables will be available with this
18. running in remote mode flashing green light on FlowGo the green light should be lit solid on FlowGo not flashing Data Harvest Group Ltd 31 DO172 3 The Go Software User Guide Altering the default configuration for ACE and Go files The default locations for the local data or ACE directory can be altered by changing the AppConfig txt file located at C Program Files DHG Go Objects The default locations are LocalDataDirectory MyDocuments Go Programs LocalAceDirectory ProgramFiles DHG Go ACE Files Once the AppConfig txt file has been altered it should be saved If the ACE files are to be stored onto a shared area on your network rather than the local machine then the AppConfig txt file must be altered on all computers running Go Edit the configuration file as follows 1 Open the C Program Files DHG Go Objects AppConfig txt file into Notepad 2 Locate and change the line LocalAceDirectory to point to the folder you wish to set as the new default Glossary of Go commands Is e Is Input gt lt Number Variable Word gt lt On Off gt e ls Sensor gt lt Number Variable Word gt lt gt lt lt gt gt lt gt lt Number Variable Word Seconds Random gt e ls Variable gt lt Variable Word gt lt gt lt lt gt gt lt gt lt Number Variable Word Seconds Random gt e Is Binary Input gt lt gt lt lt gt gt lt gt lt Number Variable Word gt Used to test a condi
19. select the Selection icon The following rules apply when connecting symbols a A Start symbol has a single line leaving the symbol b A Stop symbol has a single line entering the symbol c Output and Process symbols have two lines one entering and one leaving d Decision symbols have three lines one entering and two leaving Yes and No See page 21 Symbols without the correct number of connections will generate errors when the program is run Data Harvest Group Ltd 23 DO172 3 The Go Software User Guide Text Tool Use to add text labels to the flowchart This is some text e f Selection isn t already active click to select e Click on the Text Tool icon e A ghost box will appear move it to the required position for the label click and an empty label will appear Type the required text in the dialogue box selection panel and click on OK For text on more than one line Press Enter on your keyboard to move the cursor down to the next line To move the label Click on the label and drag to a new location To edit the text Click on the label and then edit the text in the selection panel and click on OK To remove or delete a text box Click on the text box and then click on the Delete icon to remove the text box Delete To delete a symbol or line with Selection active click on the symbol or line it will highlight to show it s selected and click on the Delete icon To delete an enti
20. sheets and each sheet scaled to fit a sheet e Each flowchart on separate sheets and each shrunk to O Everything ful size on separate sheets fit the flowcharts or procedures selected will each be scaled to fit onto separate sheets of paper e Everything full size to separate sheets will print the selected flowcharts or procedures at 100 scale on separate sheets of paper Print Preview Flowchart The print options window will open Make your choice and select OK to view the printout before printing Text Print Options E Print Current Flowchart All Flowcharts Print Text O Selected Flowcharts Select whether to print the textual representation of O e Current Flowchart the flowchart or procedure currently 4 selected in the edit area o e All Flowcharts all the flowcharts or procedure in your control program e Selected Flowcharts just the flowcharts or procedures selected from the list Data Harvest Group Ltd 30 DO172 3 The Go Software User Guide Each flowchart or procedure will be printed on separate pages Print Preview Text The print options window will open Make your choice and select OK to view the printout before printing The options below define the way the toolbar is displayed Toolbar display options C Small Toolbar Icons e Small Toolbar Icons es 0 Display Toolbar Text Show the grid on the flowcharts Show Grid These options let you choose whether to see small or large ae
21. the completed command into the output symbol Calculating the Decimal equivalent If an output is to be switched On the bit for the output is set to 1 if its to be left Off it is set to 0 The decimal is created from the byte created by setting the bits for turning the outputs on Data Harvest Group Ltd 17 DO172 3 The Go Software User Guide The table below indicates the bit pattern and decimal values for the byte when one output is to be turned on at a time sue oe7 owo ets ena ees ez ers ego Pras Output 0 oO Oo Of Of O o o 00000001 Aloff 0 oO of Of Of O o 1 00000001 1 ton 0 oO oO Of Of O 1 o 00000010 2 2on 0 oO of Of Of 1 O O 00000100 4 3on 0 po yo po 1 O O o 00001000 8 4on 0 oO Of 7 Of O O o 00010000 16 Son 0 oO 1 oO O O o o 00100000 32 Gon 0 1 oO O O O o o 01000000 64 Zon 1 to of o oatot 0 O j 10000000 128 8on To control multiple outputs add together the decimal value for each output to be switched on and use the total as the Binary Output value Example To switch both Outputs 3 and 7 on the binary value will be 68 64 4 68 The Process symbol If Selection isn t already active click to select Click on the Process icon move the mouse into the edit area and click to fix in place In the selection panel click on either the Wait Procedure or
22. By default the sound will only play once each time the symbol is parsed By using the wait command the flowchart will wait until the sound file finishes before continuing With the repeat command the sound will be played until the flowchart stops running or the stop playing command is used Start e Start lt Name gt Begins a new flowchart up to 10 starts may exist in one program If the program is downloaded to FlowGo or SOLO this will reduce to 4 Stop e Stop Stops the current procedure and returns to the flowchart or ends the program Stop all e Stop All Immediately stops all procedures or flowcharts and ends the program Switch e Switch Output lt Number Variable Word gt lt On Off e Switch Motor lt Letter Variable Word gt lt Reverse Off Forward gt lt Percentage Variable Word gt e Binary Output lt Number Variable Word gt Switches on or off single or multiple outputs or motors When used with motors it also specifies a direction and optional speed control Examples Switch Output 1 On 2 Off Switch Output Red On Switch Motor A Fwd 60 Switch Motor Word Rev x Wait e Wait lt Number Variable Word gt Causes the flowchart to wait for the specified time Timing to 0 1s resolution O Data Harvest Group Ltd 33 DO172 3 The Go Software User Guide Developing ACEs Q Can develop my own ACEs Yes Data Harvest has released all of the technical information required to allow anyone to develop ACEs
23. DO172 3 The Go Software User Guide e DATA HARVEST dons us The Go Software User Guide dal Gd is Map Tent Views start Zebra Crossing Switch Output 2 1 On Viet 0 5 seconds Switch Output 2 1 Ott Wait 0 5 seconds Switch Output pl E ESO OEH 01 Zebra Crossing Motors _ Or D of ic of Bi 0H Al Data Harvest Group Ltd 1 DO172 3 The Go Software User Guide Contents A A A ee eC ee eee eee 4 THEvAGES SUD DIGG 5 yeast boat ncans i Maat Sey e 4 ACE TOWN SCOnalOs irora A id 4 ACE Model Pack Fand oer circ se cc gai Mase cits ieee ase tena Da e Eee See coats 5 ACE UCT ACS reser sass ree ees asec sane ee eee ee cst ton aaae eae eet asec nn astaen te eau ence esas ees 5 Example COMMON Programs e ae el RE 5 Els ea A O nent See Seen etree ene eee eee 5 System 219 011 0112 ae ee ete eo ee et ee eet eee ere 6 Installing the GO SOMWAl Ei A A eataceadlt 6 Connecting an Interface a 6 Starting GO for the first TIM GC aici ince takes A a 7 Step 1 Selecting a User level ooocccconnncococonnoccccononocconnnocnnncononcnnnnnnrnnnonannnnnnannnncnnnnnnnnnanos 7 Step 2 Interface selection ucts feed Seorieatteeeteesohstclenada tae eh es tee eee 7 Connecting to al AG Basia hasnt acc AAA A 8 The ANG Ey WI COW esate Seton Se eta wi Setters nd 8 SYNC and SiIMUlAUON MOS At 9 The Go screen la yola ada 10 o A as oe esas ene ead ah he no 10 The Standard a a Contr
24. Depending on the symbol placed the selection panel will offer different options For example With Go set to Level 1 when you place an Output o symbol the selection panel will look like this To switch on an output click on the Switch Output button 1 Click on the On or Off 2 buttons for the outputs Switch Output d Wash On Spin Off 7 ASP prepay eee ort When you have made your selection click on OK oe EN 3 and the commands will appear in the symbol SS or nthe et area o Although the selection panel alters according to which symbol and level is selected it always follows a similar format 1 2 Co The command is built up by clicking on buttons As the command is built up the choices selected so far are displayed in the text line at the top of the selection panel With some panels there is an option to enter data using the keyboard i e when manipulating variables To delete a symbol if the Selection tool isn t already active click to select Click on the symbol it will highlight to show it is selected and click on the Delete icon nnecting the symbols The next stage is to connect the symbols in the edit area together to show the order in which each symbol command should be carried out the direction of the flowchart 1 2 3 4 To deselect the Flow Line tool either click back on the Flow Line icon or click on the Selection icon Click on the
25. E A ene E ar eee ee eee ee eee 24 Data Harvest Group Ltd 2 DO172 3 The Go Software User Guide DOIE CR PC ONO On a a teen enae deal eaetaetaseeoieuee 24 A e O OS SEO e nated eua ciabatta 24 Creating multiple flowchartS ooonccccconccncococcncononcnnnonnnononnncnnononcnnnnnnrnnnonnnrnnonnnrnnnnnnrnnnnnnnrnnnnnens 24 Uses for running separate flowcharts cccoooncnccconccnconoccnnononnnnnonanonononcnnononcnnnonanrnnonanennnnnas 25 Making flowcharts talk to each Other oooncccccocccncccoccnnononcnncnnncnnnonnnnnononnnnnonaronnonanennnnanens 25 Creating Procedure iii 25 USI GH CAM rro A OOOO a 26 To check and debug a control program oocccconcnccoccnccnncnccnncnnnncnnnoncnnnnncnnnncnnnnnrnnnnnrnrnnnrnnonaranonannss 26 SE O Raed atts eeeas 26 Run only the current procedure or flowchart ooccccccocccncccoccncononcnnonnnnononnncnnononnnncnnanencnnonons 26 Pause and Single Ste Dusan d a N A 26 lao A E A E A E rer A EE AE ee eee E A A eee 27 re akDO MiS notas 21 FOON TION CAA llas tarta daa 217 DOW AIOACING VOU Proa ias a 28 Stored program IMIS o 28 Download Program LIMIS ia E A eee 28 Roe eee oe eee 29 Select Copy and Pas a as 29 Saving and Opening MES a we 29 PAN a 30 o ee ee ee 31 TOCADA ODUOMS dls ida 31 ASG EEE E cate bciesuabiient wiser AN A van Dermal aca E E A E A E E aubunencd es 31 COS o load 31 User MAIN ban aden ureectaaacien cussed eee named ove mance A 31 Connection problems i
26. Flow Line icon 1 LJ Click on the first symbol 2 usually Start a blue dot dad will mark the connect point lt gt Click on the symbol next in the sequence 3 The Decision program will automatically draw the flow line between ene i IEC urput he them it will try to avoid other symbols and lines where n Green Oni possible Repeat this process until all of the symbols are connected Switch Output Amber On Red ff Data Harvest Group Ltd 13 DO172 3 The Go Software User Guide Flow lines from a Decision symbol A Decision symbol has 2 flow lines a YES and a NO line The first line that will be drawn is from the base of the decision symbol The line from the base of the symbol is normally the YES line the line from the right is the NO line To swap these over make sure the Selection tool is active and double click on the decision symbol and they will automatically swap over Deleting flow lines If you make a mistake and wish to join a line up with a different symbol either Use the Flow Line tool as if there wasn t already a line there i e by placing a new line from one symbol to another to automatically replace the old connection If the Selection tool isn t already active click to select Select the line and click on the Delete Icon Note If a flowchart is run and it reaches a symbol that does not have a flow line to dictate where to go next the flowchart will cease to run There
27. Make Level 2 only button Make your selection from the panel Click on OK to enter the completed command into the process symbol Wait This makes the flowchart current flowchart ei only delay doing anything for the allotted wet OEE amount of time e g to keep an Output switched Frocedae le on for 2 seconds noa JL e Select the time in seconds from the keypad or type in the value The smallest wait allowed is 0 1 seconds Level 1 panel To edit Use the C key to clear the value or Wat Seconds highlight and delete using your keyboard ao rocedure Lite 2 If Go is set to Level 2 variables can be used in MEE this command e g Wait x L Note Variables for controlling wait times are not suitable for download to the PIC chip in FlowGo and SOLO Level 2 panel Procedure This function is used to call up a previously Procedure Wash repeat 5 defined procedure You can specify the number of Existing procedures times the procedure ee be repeated if no value is entered it will default to only running Rinse once Select the procedure s name from the list of existing procedures or type in a new procedure name Level 2 panel e f required type in the number of times you would like the procedure to be repeated Data Harvest Group Ltd 18 DO172 3 The Go Software User Guide To edit Select a different procedure Highlight and delete the repeat number using your keyboard
28. Open from the File menu Locate the correct Go file and click on Open Go will default to showing the Go files in My Documents Go files Program files but the standard windows file dialogue box can be used to alter to another location See page 32 for altering the defaults If your control program was saved with an ACE open it will automatically be re loaded along with the program Printing Page Setup d Print Print Flowchart The full range of print options is available via Print in the File aA Te eO T menu They will allow you choose what you wish to print and how it will be fitted to the page The options are E LE Print Preview Text Page Setup Use this option to select your printer paper size and orientation etc Print Flowchart Step 1 Select whether to print the graphical representation of Flow Chart Print Options X e Current Flowchart the flowchart or procedure currently selected in the edit area e All Flowcharts all the flowcharts or procedure in your control program e Selected Flowcharts just the flowcharts or procedures selected from the list Print Current Flowchart All Flowcharts Selected Flowcharts Step 2 Select whether to autoscale and use either one or separate pages e Print everything on one sheet the flowcharts or procedures selected will be scaled so they will fit on one Page Selection Print everything on one sheet O Each Flowchart on separate
29. as FlowGo or SOLO The language is based on world wide standard flowcharting principals Flowcharts offer a high level visual development environment being both easy to understand and powerful students can quickly achieve dramatic positive and valid results In addition to the standard flowchart language Go offers a side by side view of the program as a traditional textually described program This high level textual representation uses everyday language and avoids the risk of errors caused by complex syntax and typing entry errors Offering both graphical and language views Go gives the student the best of both worlds Students are used to highly animated highly visual stimuli video games TV etc We need to engage the pupils by matching their expectations within an educational context to a control project that helps the student to understand a problem that the student can identify with be it from first hand experience or via a subject area they are interested in ACEs offer stunning graphics and animations They are often offered in groups that form a whole scenario these scenarios set the context and offer familiar environments to the students Town Centre Shopping Centre etc and through their innovative approach engage the students The student s first view of an ACE often elicits a response such as It s like my playstation game enthusiasm immediately follows The ACEs supplied Go is supplied on CD ROM
30. ata Harvest Group Ltd 27 DO172 3 The Go Software User Guide Downloading your program With some types of interface e g FlowGo and SOLO your control program can be downloaded and run by the interface alll Download Note Test compile can be done without an interface connected but the correct interface type must be selected from Interface in the File menu Compile and download will remain greyed out unless an interface is connected Compile and Download To check your control program is suitable for download Memo used e Click on the Download icon on the toolbar LL Download progress e Click on the Test compile button e lf the status shows as compiled OK then the program z IS suitable for download Download complete acia Compile and download P program To download the program e Check that a connection is established between the Go software and the interface e g the Disconnect icon is shown 5 e Click on the Download icon on the toolbar Click on the Compile and download program button A progress indicator will show the program being compiled into machine code and downloaded e Upon completion exit this window click on the Disconnect icon and unplug the interface from the computer con Stored program limits There is a limit to the size of the program that can be downloaded to an interface e g FlowGo and SOLO 28 have memory for 256 bytes of program and SOLO 18 has
31. ble to count the number of times a loop has gone round Procedure Flash repeat 5 For example To flash a light 5 times simply create a procedure that flashes the light once and then repeat five times Procedure Lower E arrier Data Harvest Group Ltd 25 DO172 3 The Go Software User Guide All procedures must end with the Stop command To create a procedure a 1 Click on the Start symbol 2 In the selection panel click on the Procedure button and enter a name To run the procedure that you are currently working with in the edit area select Run Procedure xx from the Debug menu Using Learn The simplest way to create a flowchart or procedure is to make use of the Learn feature With Learn selected each time an output or motor is switched On or Off a command will appear in the edit area with a wait command to record the time between each switch On or Off L e Click on the Start Learn icon ca e Click on the relevant outputs in the I O panel or ACE to switch them on or off The Switch Output command will automatically appear in the edit area The time between each selection will automatically appear as a wait command m e To stop the learn process click on the Stop Learn icon suete automatically be entered at the end of the flowchart a stop command will Note Wait times will be rounded up to the nearest whole number when Go is set at Level 1 or to one decimal place at Level 2
32. ble to only those that can download to the selected interface For example only the variables x amp y can be downloaded and run from FlowGo while it is disconnected from the computer if Limit to Download is ticked then only the x and y variables will be made available Data Harvest Group Ltd 28 DO172 3 The Go Software User Guide Set Interface Sensors Use Set Interface Sensors from the Settings menu to tell Go which analogue sensors are connected to the interface so the sensor values will be calibrated rather than use a percentage value The following sensor types are available e Voltage e Percentage e Temperature e Light e Rotation Note Ifan ACE has sensors then they will automatically be set by the ACE Select Copy and Paste Select To select a symbol if Selection isn t already active click to select Click on the symbol it will highlight to show it is selected To deselect click in the blank space in the edit area To select more than one symbol with Selection active hold down the CTRL key and click on each symbol To select the entire flowchart or procedure in the edit area use the Select All option from the Edit menu To select part of a flowchart position the mouse pointer at the top corner of the area to be selected Click hold down and drag the rectangular box over the area to be selected and release the mouse Copy and Paste To copy and paste within Go e Select the symbols
33. display the running Disconnect the or Disconnect program program options program interface close an ACE i ee 3 a e _ E e Done Y gt se El iL New Open Save Print Options Start Stop Single Step Connect Download Connect ACE Start Learn To open an_ For the print To Start or Stop To run through To download the To Start or Stop existing Go options the control a program control program Learn mode program program running step by step to an interface Data Harvest Group Ltd 10 DO172 3 The Go Software User Guide The flowchart or procedure selector toolbar which Start flowchart or fear Town rat which Start flowchart or Zai isle i Procedure should be displayed Start Town hall ines The Symbol toolbar To create programs you need to place appropriate symbols onto the edit area enter the correct control commands into the symbols and then finally connect the symbols together to specify the flow of the program Selection this icon must before active before any selection can take place It is normally active unless Flow Line is selected See page 14 Output use this symbol to turn an output or motor ON or OFF or to add a sound See page 15 Output C Process use wait for the time that an output should be switched on procedure for the flowchart to call up a procedure or make to set up a variable See page 18 Process Dec
34. fore it is important that all symbols are connected Running a control program Once your control program has been written it can be run by clicking on the Start Stop icon To stop the program click on the Start Stop icon This will stop all parts of the program instantly e Ifthe program contains multiple flowcharts that begin with the Start command all will begin simultaneously e When a control program is run the symbols will highlight as they become active The progress of the complete program can be viewed in the map window e Click on a flowchart or procedure in the map for it to be selected to the edit area e If Follow Flowchart Debug menu is ticked then the progress of whichever flowchart is currently selected to the edit area will be followed in detail through all procedures e Torun only the procedure or flowchart that is in the edit area select Run Procedure xx or Start xx Debug menu e To restrict exactly which flowcharts those that begin with the Start command will run select Start Settings Debug menu The Symbols Selection This tool allows you to select an existing symbol in the edit area Once selected it can be moved edited deleted etc Note This tool will automatically deselect when Flow Line is selected To select a symbol if the Selection tool isn t already active click to select Click on the symbol it will highlight to show it is selected Data Harvest Group L
35. he Start icon a new Start symbol will automatically be placed in the edit area To edit check Selection is active and click on the Start symbol it will highlight to show it is selected Alter the current choice in the selection panel To erase a name highlight and then select delete on your keyboard Note If you delete a Start symbol you will delete the entire flowchart or procedure that uses the symbol Start Flowchart Selecting a Start symbol will create a new flowchart Whenever a control program is run this start will be processed and will run alongside any other starts that have been created Multiple starts are a very simple yet powerful way to offer multi tasking or multi threading features to the students For example A control program written to operate a machine could have one flowchart which actually operates the machine whilst a second flowchart could continually look to ensure that the safety cut out switch has not been pressed If the switch is pressed this flowchart could stop the whole program from running By splitting a safety check into a separate flowchart the switch can be constantly checked and will therefore be highly responsive It also prevents students having to add lots of checks into the flowchart that operates the machine Procedure Selecting Procedure will create a new procedure A procedure is a subset of a flowchart and cannot be run on its own A procedure allows specific
36. he connected ACE Level 1 panel If Go is set to Level 2 then variables will be available To edit Click on a different number name and it will replace your current choice Is Sensor Used to check the value of an analogue sensor Analogue sensors are not simply on or off but ls Sensor J provide a reading which changes according to the f Ml level of whatever it is sensing b L J ges ha 3 DOO e F By default a sensor will return a value between 0 and 100 but sensors can be set to return calibrated values either using Set Interface sensors from the Settings menu see page 29 or by an ACE Level 2 panel Select e The number or name of the sensor e Either the greater than gt equal to less than lt not equal to lt gt greater than or equal to gt less than or equal to lt symbol e The sensor value to use as the trigger In addition to sensor input numbers you may also be offered names these are set by the ACE that is currently connected If Go is set to Level 2 then variables are also available To edit Click on a different number name and it will replace your current choice Use the C key to clear the value or highlight and delete using your keyboard Data Harvest Group Ltd 21 DO172 3 The Go Software User Guide Is Variable Notes This option is only available when Go is set to Level 2 BOS The command Make see page 19
37. he defined point and then stop to allow tracing to begin 1 If the Selection tool isn t already active click to select Click on the Start Stop icon to start your program running 2 When it gets to the part when the program goes wrong click on the Pause button to immediately stop the program running 3 Select the relevant procedure or flowchart to the edit area either by clicking on it in the map or from the selector resinas toolbar Switch Output On 4 Right click in the relevant symbol and select BreakPoint The top left edge of the symbol will be marked by a red B 5 Once a breakpoint has been set the program will automatically pause its run when it reaches the breakpoint 6 Click on Resume for the program to continue Remove breakpoints ma To remove breakpoints individually right click on the relevant symbol and deselect the Breakpoint tick To remove all breakpoints from a program select Clear Breakpoints from the Debug menu Start Settings Start without breakpoints Use Breakpaints If you want to keep the breakpoints in place but to run your Clear Breakpoints program without the breakpoints being applied deselect Use Follow Flowchart Breakpoints from the Debug menu Run Start Learn2 Single Step Start Learn2 Follow Flowchart If Follow Flowchart Debug menu is ticked then the progress of whichever flowchart is currently selected to the edit area will be followed in detail through all procedures D
38. into the interface to be run disconnected from the computer See page 28 Sync some ACEs can operate in a synchronised mode where they follow what is happening on the real model e g using the ACE of one of the models on the computer together with the model connected to a Control interface The Go program will look for feedback from inputs and drive outputs as follows A Ome et Rane altered I O Panel I O Panel I O Panel I O Panel iui time EE I O Panel I O Panel Renal a Mini lll ACE ACE Interface Interface I O Panel I O Panel O Data Harvest Group Ltd 5 DO172 3 The Go Software User Guide System requirements Operating System Windows XP Windows Vista Windows 7 32 bit and 64 bit compatible Minimum Software Microsoft Internet Explorer 6 0 Windows Installer 3 1 Microsoft NET Framework 2 Adobe Reader software V7 or above Display Minimum 800 x 600 with 256 colours Recommended 1024 x 768 with High Colour 16 bit If Microsoft NET Framework 2 Installer 3 1 is not detected during the installation set up process they will be automatically installed prior to the Go application install This may extend the installation time significantly To be able to view and print the software manuals you will need Adobe Reader installed Installing the Go software USB Interface users Make sure FlowGo or SOLO is not connected to the USB port prior to or while the Go software is being installed Log
39. ision used when a question must be asked to decide what to do next It will check for feedback from an input switch or sensor or the value of a variable to decide YES do this or NO DECISION do that See page 19 O Stop use to end a flowchart or procedure See page 22 Stop t Flow Line use to connect symbols together in the order they should operate to create the flowchart See page 22 Flow Line Text Tool use to add labels to a flowchart See page 23 Text Tool Delete use to delete selected items See page 23 A The Map and Text View Men Tet View The Text View tab displays the flowchart or procedure that a EA On is in edit area in a textual format The text will be in red OS italics until the flow line is correctly set i e a flow line END Siop connects the symbols Switch Ouiput 3 OF Right click in the area to alter the font size If you click on a line in text view it will highlight the appropriate symbol in the edit area and visa versa The Map tab displays the complete control program Right click to alter the scale of view When a control program is run the symbols will highlight as they become active Click on a flowchart or procedure for it to be selected to the edit area Data Harvest Group Ltd 11 DO172 3 The Go Software User Guide I O and Variable panels Note If a symbol is currently selected then this area is replaced by the selection panel The I O tab Outp
40. l program Right click to alter the scale of view Control toolbar B Data Harvest Go Software Menu bar Fie Edt soting Dobu Heip Liv Standard toolbar gt gt Ha A i es e Y fl El i New Open Sare Print Options Start Stop Singe Step Connect Download Connect ACE Start Lear Selector toolbar P start untied Map Tet Wren a Output C Process Symbol toolbar Decision Stop t Flow Line a Window dividers drag left right e or up down to alter the window size shape v EFE DOntputs Mola Serine O 4 Oe Door E ai 3 G2 mA Ba M an Oi az o3 ou Editing area I O and Variables tab or the selection This is where the flowchart or procedure currently panel being created edited or reviewed is displayed e The I O tab displays the state of all of the inputs outputs motors and sensors Right click to alter the scale of view e The Variables tab displays a list of the variables and their current value Level 2 only e lfa symbol is currently selected then this area becomes the selection panel Toolbars The toolbars can be positioned at the top bottom or left of the window To move position the mouse pointer over the dotted line on the left of the toolbar gt 7 when it becomes a symbol click hold down and drag to its new position New The Standard and Control toolbar To begin writing To save To set Temporarily halt To Connect or To Connect open a new control your control
41. n until deselected unticked e lf an interface is connected then the control of an Input on an ACE is taken over by the inputs connected to the Control interface e f no interface is connected then a Sensor input e May respond to events in the ACE e g the level of light in Town hall is controlled automatically by the ACE e Will respond to a change in an environment altered by manual control e g using a slide control to increase the temperature in a greenhouse e lf an interface is connected then the Sensor value will be the value of the sensor connected to the Control interface Sync and Simulation modes Some ACEs can synchronise with a real model e g using an ACE of one of the models on the computer together with the model connected to a Control interface Other ACEs usually those with complex animations e g Lighthouse are unable to work together with a real model control interface as the Go software is unable to synchronise the ACE animation to the model If you try to open one of these ACEs that cannot coexist when you have a control interface connected Go will inform you to disconnect the interface before attempting to connect to the ACE and visa versa Data Harvest Group Ltd 9 DO172 3 The Go Software User Guide Map and Text View The Go screen layout The Text View tab displays the current flowchart or procedure in a text format Right click to alter font size The Map tab displays the complete contro
42. ndirect or consequential loss Data Harvest Group Ltd 35 DO172 3 The Go Software User Guide arising out of your use of the Software or inability to use the Software even if DHG has been advised of the possibility of such loss Copyright Go Control Software O Data Harvest Group Ltd 2007 ACEs supplied with the Go Control Software O Data Harvest Group Ltd 2007 All documentation supplied with the Go Control Software O Data Harvest Group Ltd 2007 Data Harvest Group Ltd 36
43. nues to run until the sound file finishes or the flowchart stops running or the Stop playing all sounds command is used Data Harvest Group Ltd 16 DO172 3 The Go Software User Guide b Start playing sound and wait the sound file will play for the entire length of the recording before the flowchart moves onto the next command c Start playing sound and then repeat the sound file will play for the length of the recording while the flowchart continues to run and when it finishes it will start again continuously until the flowchart stops running or the Stop playing All Sounds command is used d Stop playing all sounds use this command to stop playing all sound files used in your control program More than one sound file can be played at the same time If the flowchart is looped the sound file will restart each time it reaches the sound command When a Go file is saved the location of the wav file used in the program is saved but not the sound itself If the location of the sound file is altered Go will not be able to cannot find the file Notes e t maybe useful to create a folder specifically for any sound files that you wish to use with the Go program e Sound files cannot be transferred to the PIC chip used in FlowGo and SOLO Any sound command downloaded to these devices will be ignored when the control program is run Binary Output Note This option is only available when Go is set to Level 2 Binary O
44. o a ota 31 Altering the default configuration for ACE and Go filesS oooccccooocconoconcnncconcnnconaronononons 32 GIOSSAFY OF GO COMMANCS ess oia ai a 32 Developing AC ES aise a Aa 34 Licence conditions copyright information and disclailMerS oocccccooncnnccocnnnconocnconoronnnnnncnnnnnos 35 Data Harvest s policy is to continually improve products and services so we reserve the right to make changes without notice It is acknowledged that there may be error or omissions in this publication for which responsibility cannot be assumed No liability will be accepted for loss or damage resulting from use of information contained in this manual or from uses as described Data Harvest Group Ltd 2007 all rights reserved This manual may be freely copied for use within the purchaser s establishment 1 Eden Court Leighton Buzzard Bedfordshire LU7 4FY Tel 44 0 1525 373666 Fax 44 0 1525 851638 e mail sales data harvest co uk support data harvest co uk Website www data harvest co uk Document No DO 172 Revision 3 Data Harvest Group Ltd 3 DO172 3 The Go Software User Guide Overview Go is a fully featured Control program Designed for students aged 8 to 18 it offers a simple yet powerful programming language that allows students to program and control both sophisticated on screen Animated Control Environments ACEs and real world models and devices with the addition of a control interface such
45. ointer to the area of the Output Input when it s over the hot spot it will change to the hand symbol Click with the mouse to activate the Output Input The reaction of an Outputs or Inputs on an ACE will vary but in general O Data Harvest Group Ltd 8 DO172 3 The Go Software User Guide e An Output can be switched on or off by clicking on the hot spot on the ACE e A Motor output can be a Switched from 100 forward to 100 reverse by clicking on the hot spot on the ACE e g as on the barrier arm in the Level crossing ACE b Increase or reduce in speed in steps of 10 by clicking on the up down arrow controls if available e g as in the Washing machine ACE e lf no interface is connected then an Input a Maybe switched on or off by clicking on the hot spot on the ACE b May change automatically in response to events in the ACE e g the sun in the Lighthouse ACE or the train arriving and departing in the Level crossing ACE so clicking on the ACE or in the I O panel will have no effect The ACE will duplicate the way a switch should react e g e The car door has a proximity switch so it will be on when the door is shut and off when the door is open Car ACE e The switches on the key for setting and stopping the alarm Car ACE or the button at a pelican crossing Pelican Crossing ACE are push to make switches so will only stay on momentarily Note If this type of switch is switched on from the I O panel it will stay o
46. ol too Daria AAA ile 10 The flowchart or procedure selector toolbar cccooccccoccoccocnnococonocacnnoncncnonnnonononocanononas 11 ENS SV MD Ol OO Daisies 11 The Map and Texte Won ed e tada 11 rana Vanable Panels ida 12 Program terminology onia a ap 12 Placing symbols and entering commandsS ooccccoccncnnccncnncnncnncncnnncnnnnnnnonnnnnnnnnnnonrnnnnnrnnnnarnnonarinnnoss 13 Comecing the Symbols rt cd 13 SIS CAG TOW NES aniue aa tl a E debe ea a e cea aula a a a dee ett 14 RUNGNG A CONTO POT a O a E a ae ee un aieame seta 14 TES YMDO Suso a ea oats oli del Al 14 SCO y OOPS O O A 14 TNS STATS oo AA e RU O An 15 JE o 15 Procedu A ata oo nn nena a r aesaat 15 PMG OULDUES VINO aan ie 16 O AAA rene ge eT oer ert nner rene rere 16 SWIC o LOR PA e oe a a a aa 16 OI Oe ahaa tect tenes Seat A A piecatiathssed T S 16 A o oo OO 17 hesProcess S MDOl aras toas 18 A A suas tiers Tee tales Sosa akc Senet see hese ea soramiauh saad net meetin noeieeuaies 18 Fe FOCCOUNG as race aida 18 MAKES ta it oca 19 he Decision Y MDO narsos ind 21 FSG a 0 0 cake etek E Cet ee tone re none Re eee eee en a eer 21 A A 21 SA tat bance aula t avec titel ods toueh A aaite sat alsee adds 22 1S BlMay AP hanced iat A OA 22 PAS Stop NDO ra irse 23 6 O Reet eee cee Eon ee et ene te E ee ee ee ae ee ene eee eee ee 23 e A ene rt enema eae eee one eee oe eee arene 23 A PA aca ae ceat ee ana ete ooh cee A E A A A E E A E saad 23 A A or Ree ec E mm eer nt
47. on as ADMINISTRATOR or with equivalent access rights on the system Close any open programs you may need to restart your machine for configuration changes to be made Insert the Go CD ROM into the CD Drive Windows should detect the CD and automatically start up the Go auto run program If auto run fails to start use Windows Explorer to navigate the CD ROM contents and double click on the Setup exe file Follow the on screen instructions to complete the installation of Go and its associated files onto the hard disk When the installation is complete eject the CD ROM and store it safely Restart your system A Windows installer package msi of the Go software is available The msi package for 32 bit systems is supplied in the 1386 directory and for 64 bit systems in the amd64 directory To check your system properties click on Start right click on Computer and select Properties Note If you have a later version of Adobe Flash Player installed on your computer than that supplied with the Go software you may get a failed to register error message e g Error 1904 Module C Program Files DHG Go Flash10_ ocx failed to register Select OK the installation will complete and the Go ACEs should still function correctly See page 32 for information on altering the default locations for ACE and Go files Connecting an Interface Serial connection Connect the interface to the serial port on the computer Note which serial port
48. pen an on screen representation of the interface Example control programs The example control programs shown in the ACE guides are supplied on the Go software CD ROM They are not copied to the PC when Go is installed If you wish to access these files explore the Go CD ROM and copy the Example programs folder to your PC Go operating modes Simulation Go can run a students program without an external Control interface connected The number of inputs and outputs available to select are dictated by the choices made in the Interface window see page 7 1 Ifa Simulated Interface is selected Go the number of outputs inputs etc are Po Inputs Outputs 8 Input Output Simulated Interface 8 8 4 4 16 Input Output Simulated Interface 16 16 8 8 32 Input Output Simulated Interface 2 If an interface e g FlowGo is selected Go will simulate the correct number of outputs inputs commands etc that operate with that interface Note No attempt is made to actually connect to the interface until the user clicks on the Connect icon Real time Go can control a range of Control interfaces such as FlowGo or SOLO The interface and its method of connection need to be selected from the Interface window File menu see page 7 Click on the Connect icon for communication to be established Remote with some Control interfaces e g FlowGo and SOLO a control program can download from Go
49. r of free spaces The first flowchart will detect and allow new cars into the car park Each time a car enters a variable is increased to keep a record of the number of cars in the car park A second flowchart detects cars leaving and decrements the number of cars variable accordingly The first flowchart will refuse new cars entry if the variable shows that the car park is full It will only begin to allow cars back in when the second flowchart has decremented the variable Creating Procedures As a control program become more complex it is often desirable to al Car Park AMET break it down into smaller more manageable tasks This is where procedures are used For example in the case of a car park barrier it may be beneficial to break the process down as follows Each one of these functions could become procedures within a flowchart In addition to making the control program easier to create it Procedure Dispense Detect car approaching ticket Dispense ticket Raise car park barrier Wait until car has cleared barrier Wait 1 seconds Lower barrier Procedure Raise also makes it easier to read by avoiding extremely long programs that barrier seem to scroll down the page forever Procedures can also be used effectively where something needs to be repeated a set number of times Wait 2 seconds By creating a procedure and then calling it up using the repeat x times feature students can avoid having to set up a varia
50. re flowchart or procedure select the flowchart or procedure into the edit area select its Start symbol and click on the Delete icon To delete a selection of a flowchart procedure position the mouse pointer at the top corner of the area to be selected Click hold down and drag the rectangular box over the area and release the mouse it will highlight to show it s selected Click on the Delete icon New Clears the current program so a new control program can be started Creating multiple flowcharts Go allows you too quickly and simply develop multi tasking or multi thread programs Traditionally this is a very complex programming task but Go offers this programming method in a very simple and easy to use style To create two separate flowcharts that operates simultaneously 1 Build your first flowchart using symbols as normal 2 To start a second flowchart click on the Start icon gt the first flowchart will disappear from view and a new Start symbol will automatically be placed in the edit area 3 In the selection panel click on the Start button and enter a name 4 Build the second flowchart just like the first using symbols procedures etc 5 When you click on the Start Stop icon both flowcharts will be run it s that simple Map Dd Wire To view your whole control program select the _ a Map tab e paa p E Right click in the map area and scale to view e g Auto a When a con
51. s other than those listed in the attached schedule e Copies used in accordance with above may not be further copied whilst out of the premises of the licensee Term This licence remains in effect unless you terminate it by destroying the Software and all copies and the Documentation or by failing to comply with the Conditions Limited Warranty and Disclaimer of Liability e DHG warrants the disc s upon which the Software is supplied to be free from defects in materials and workmanship under normal use for a period of ninety 90 days from the date of purchase as evidenced by a copy of your receipt e The Software is supplied as is DHG makes no warranty whether express or implied as to the merchant ability of the Software or its fitness for any particular purpose In no circumstances will DHG be liable for any damage loss of profits goodwill or for any indirect or consequential loss arising out of your use of the Software or inability to use the Software even if DHG has been advised of the possibility of such loss General These conditions supersede any prior agreement oral or written between the licensee and DHG relating to the software Disclaimer The Go Control Software is supplied as is DHG makes no warranty whether express or implied as to the ability of the Software or its fitness for any particular purpose In no circumstances will DHG be liable for any damage loss of profits goodwill or for any i
52. td 14 DO172 3 The Go Software User Guide To deselect click in the blank space in the edit area To select more than one symbol with Selection active hold down the CTRL key and click on each symbol To select part of a flowchart position the mouse pointer at the top corner of the area to be selected Click hold down and drag the rectangular box over the area to be selected and release the mouse To move a symbol with Selection active click on the symbol it will highlight to show it is selected and drag to a new position To edit the commands in a symbol with Selection active click on the symbol it will highlight to show it is selected Change your current choice in the selection panel To delete a symbol or line with Selection active click on the symbol or line it will highlight to show it is selected and click on the Delete icon The Start symbol Notes The edit area will only show the flowchart Start or procedure Procedure that is currently being edited Therefore when a new Start symbol is selected any existing flowchart or procedure will disappear from the edit area If Selection isn t already active click to select When Go is opened or New is selected a Start symbol is automatically placed in the edit area Click on the Start symbol in the selection panel click on either the Start or a Procedure button Type in a name and click on OK To begin a new flowchart or procedure click on t
53. ted 8 In Output selected If you are not Select Interf intending to use an interface click on OK AS Interface If you are intending to use a control interface or are a creating a program to run with an interface select the type of interface and its connection Connection Note No attempt will be made to actually connect to the interface Seas until you click on the Connect interface icon a Select the correct interface from the drop down list USE Pel e FlowGo C Show at startup e SOLO 18 e SOLO 28 e Contact Controller e Contact Controller Plus d b Select the appropriate connection method e either Serial or USB Port e lf you are connecting via a USB lead select USB Port e Ifyou are using a serial lead select Serial Port and then the number of the communications port used from the drop down menu e g Communications Port COM2 c If these settings will stay the same leave the Show at startup box unticked If the box is ticked the Select Interface window will automatically open when you next start Go so you can check that the currently selected Interface and method of connection are correct This is useful if you use a mixture of interfaces e g both FlowGo and SOLO or if the interfaces use different methods of connection e g Contact Controller which connects via a serial port and FlowGo via a USB port d Click on OK These settings will be saved and automatically used next time
54. the program running encounters this command it will simply stop running the flowchart If there are other flowcharts running multi tasking they will continue un affected Stop at the end of a procedure all procedures must have a stop without one the program will eventually fail When the stop is encountered the procedure will stop running and return to the place it was called from rocedure Wash cycle cycle repeat 6 Procedure Wash Stop All This is a special version of the stop command Whenever this command is encountered it will stop all procedures and flowcharts immediately i e it will stop the whole control program In effect this is like an emergency stop everything will shut down It is not a graceful way for a program to end but particularly with younger children it can be quite useful e g to program an emergency stop Flow Line The Flow Line tool is used to connect the symbols in the correct sequence and direction of flow It is important that the symbols are connected in the order in which the commands need to execute Click on the Flow Line icon to select e Click in the first symbol a blue dot will mark the connect point and then the second symbol a line will join them up e Repeat clicking first in the box above and then again in the next box down until a continuous flown line is drawn down to the last symbol e To deselect either click back on the Flow Line icon or
55. tion and jump to a true or false location Examples Is Input 4 On GoTo line X else GoTo line Y Is Sensor Word lt gt 20 GoTo line X else GoTo line Y Is Sensor a gt b GoTo line X else GoTo line Y Is Variable Word gt 15 GoTo line X else GoTo line Y Is Binary Input 56 GoTo line X else GoTo line Y Make e Make lt Variable Word gt lt Variable Number Seconds Random x gt lt lt gt lt gt lt gt Variable Word Number Seconds Random x Used to generate variables and assign them values All variables are global Examples are Make Counter 0 Make Counter Counter 1 Make Counter Counter 1 Make Counter Total Counter Make Dice Random 5 1 Procedure e Procedure lt Name gt Begins a new procedure which can be called up from the flowchart or another procedure e Procedure lt Name gt repeat Value Variable Used to call a procedure Optionally with a number of times to repeat the call Data Harvest Group Ltd 32 DO172 3 The Go Software User Guide Random e Random x Generate a random number between 0 and x Note by using Random x 1 the user can avoid a zero value when required See page 19 Seconds Give the elapsed seconds since the program started See page 20 Sound e Sound lt File gt Repeating Loads and immediately plays the specified wav file When saved all file references are given relative to the location of the saved control program
56. trol program is run the symbol as which represents the point that the program i has reached will colour up pan 2 ma Click on the procedure or flowchart in the map to select it to the edit area Data Harvest Group Ltd 24 DO172 3 The Go Software User Guide You are not limited to 2 flowcharts Go will allow an unlimited number of starts to be created However if you plan to download your finished program into an interface for stand alone remote use there may be a limit set by the interface see page 28 Uses for running separate flowcharts There are many occasions where having separate flowcharts within a program is useful Here are just a few When more than one model is being controlled at once e g a roundabout and a ferris wheel both connected to the same Control interface When an emergency stop is required The second flowchart can constantly look for change in an emergency stop button if the button is pressed it issues a Stop all command to cease all activity Making flowcharts talk to each other Occasionally one flowchart may wish to communicate something to another This is usually achieved by the first flowchart setting a variable to a set value which the second flowchart looks for The variables in Go are global so when you change it in one flowchart its new value is seen by all the other flowcharts and procedures For example A car park barrier system which counts the numbe
57. utput uses an 8 bit byte to allow the setting of significant bits from one command These bytes are accessed through their decimal equivalent The Binary Output command is used to switch Outputs on Unless you send a command to switch an Output on it will automatically be off If you want an Output to remain on then you need to add the decimal value for turning that Output on to the next command or it will automatically be off Start Two Lights Start Two Lights Switch Output 4 3 On 2 1 Off Binary Output 12 Example lf you want outputs 3 and 4 to be on for a second then off and output 1 and 2 to switch on for a second and switch then off you will need to send Binary Output 12 4 8 followed by Binary Output 3 1 2 When binary output is used with SOLO it can Binary Output 3 Switch Output 2 1 On 4 3 Off reduce the number of commands and therefore the size of a program A program using binary commands The same program using Switch On Off commands Either e Enter the decimal equivalent of the pras upu byte to be sent by clicking on the number buttons BABI or Extended Binary Calculator Binary Output Binary Calculator Output Number CIA a 2 4 DO 12 1 168 4 2 inary Bit Yalue e Use the Binary calculator to calculate the decimal equivalent and click on Apply AF Decimal LJ O so LJ K K Qu e Select OK to enter
58. uts Motors Sensors Displays the current state of the inputs DOME yo outputs motors and sensors GIG 100 vc e Ji MO 100 v B DO 100 4 To switch an Output on click in the box alongside the output number the box will colour up Click back in the box to switch off With Motor outputs click either in the left hand box to turn a motor in an anticlockwise direction reverse or in the right hand box to turn in a clockwise direction forward Reduce or increase the speed of the motor in steps of 10 from the drop down list To switch an Input on without an interface connected click in the box alongside the input number the box will colour up Click back in the box to switch off With Sensor inputs without an interface connected either use the up down arrows next to the relevant sensor to reduce or increase the value in steps of 1 or type in a value Notes e f an interface is connected then the control of an input or the value of a sensor is taken over by the input sensor connected to the Control Interface e With some ACEs the condition of an input or sensor is controlled by the ACE and it will not respond to attempts to alter its condition e g in the Lighthouse ACE the sun is Input 1 the ACE controls the sun coming up Input 1 on and going down Input 1 off The Variables tab Displays a list of variables and their numerical value Note The Variables tab is only available when Go is set to Level
59. you have connected to e g COM 1 as this information will be required when you start the Go software USB connection The first time FlowGo or SOLO is connected to a USB port on the computer Windows will automatically detect a new device and install the drivers Data Harvest Group Ltd 6 DO172 3 The Go Software User Guide Starting Go for the first time Start the Go software e g Start gt Programs Data Harvest and double click on Go Software Step 1 Selecting a User level The first time the Go program is run a select Program Level window will automatically open Go offers 2 user levels roughly corresponding to student ages of e up to 12 years old Level 1 e over 12 years old Level 2 In Level 1 some of the features of the Go software are hidden These include all references to Variables A B C X and Y plus all user variables the Binary Output and Input functions the Make function the Breakpoint debug tools and all reference to the functions TIME SECONDS RANDOM Notes e Once opened the program level can be altered using the Level icon on the top right of the Go window Click on the Level icon to cycle through the levels The currently selected level will be saved when Go is closed e f you are running in level 1and a symbol uses a level 2 feature Go will temporarily drop into level 2 Step 2 Interface selection The first time Go is run a Select Interface window will open with Simula
60. you want to copy e Select Copy from the Edit menu or use Ctrl C e Select Paste from the Edit menu or use Ctrl V and drag the copy into the correct position click for the symbols to appear Use Copy Flowchart to Clipboard from the Edit menu to copy the flowchart or procedure in the edit area onto the clipboard from where it can be pasted into word processor or desktop publishing applications Use Copy Text to Clipboard from the Edit menu to copy the textual description in the Text view area onto the clipboard from where it can be pasted into word processor or desktop publishing applications Saving and Opening files Save To save your control program either click on the Save icon or select Save or Save As from the File menu Save As A dialogue box will open to allow the file to be saved using a filename and destination of your choice Files are saved in Go file format Save Providing the file has been saved previously the information will be automatically saved retaining the name given the first time it was saved O Data Harvest Group Ltd 29 DO172 3 The Go Software User Guide Go will default to saving the Go file in the currently logged on users My Documents folder My Documents Go files Program files but the standard windows file dialogue box can be used to alter to another location See page 32 for altering the defaults Open To open your previously saved control program either click on the Open icon or select

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