Arexx MRAI-999HB, Hardware Manual

Page 1: ...MRAI 999HB 2003 AREXX HOLLAND EDUCATIONAL ROBOT HARDWARE SOFTWARE MANUAL...

Page 2: ...e NL The manufacturer and distributor cannot be held responsible for any damages occurred by mishandling mounting mistakes or misuse due to a non respect of the instructions contained in this manual T...

Page 3: ...itch transistors to control the MOVIT or OWI robot arm motors There is 1 optocoupler input so the robot arm can react on signals from the outside world The MRAI controller is commanded with very simpl...

Page 4: ...en screw the 4 feet with a screw to the distanceholders 2 Connect the 25 pin RS 232 cable with your PC and with the MRAI 3 Connect the flatcable with the MOVIT or OWI robot arm and with the MRAI 4 Ins...

Page 5: ...Moreover the proces sor can drive the Transistor switches and monitor the optocoupler input When a robot arm motor is activated by a transistor a red or green LED will light up IC U1 MAX232 handles th...

Page 6: ...u or directly from the Explorer Directory CD ROM software control maybe you will have to copy all the installation files to a directory onto your hard drive first The installation of the software will...

Page 7: ...HE PC MAY BE DAMAGED Usually this does not cause any damage but it is saver to handle it as described it is possible to detect it with a simple command There is no need to restart the software for har...

Page 8: ...Robot Arm Interface HOBBY is already assembled This stand alone controller fully operates on batteries The robot arm is also battery operated An external power supply is not possible The MRAI Hobby i...

Page 9: ...lines with buttons or the keyboard Please start the Interface Program link in the start menu and choose your desired language After that start the Robot Arm program module click on the button The MOVI...

Page 10: ...bot manually into the start position With this method you can easily test the way how the robot works and try out more complex movements before you actually program the com mands The operating buttons...

Page 11: ...xternal editor and copy it via the key board into the programming field Start position The counter displays the time in seconds Note The counter does not count in seconds At the counter stand of zero...

Page 12: ...ed by a command or the element to be moved The round bracket closes the task while opens the task In other words Tasks are put between round brackets IF An IF command is always followed by a THEN comm...

Page 13: ...case the program will go to line 2 or else line 3 If you drop out the ELSE task and the condition is not fulfilled the program will remain on this line until this condition is fulfilled GOTO This com...

Page 14: ...how long this movement should last You can give the dura tion in 1 10th second behind the dot e g 3 2 secondes Close the command line by a Then you can add the line by ADD LINE If we choose ACTION th...

Page 15: ...of the screen This is very useful to test a program Thick the small white box on the top right next to the four red square fields Four switches are displayed allowing to switch the input signals on an...

Page 16: ...ADVANCED MODE The abbreviations for the different language elements are A program line always starts with the number of the line This is always followed by a command or a decision The commands and sta...

Page 17: ...TION ACTION GIPPER GR OPEN CLOSE OPEN CLS 17 The programming possibilities of the decision IF THEN are Decision Element Abbrev Statement Line Decision Line IF THEN SENSOR1 SSR1 TRUE FALSE ELSE SENSOR2...

Page 18: ...equence of this trick the motors cannot turn all at the same time Some relays control two motors at the same time and these motors can only turn in the same direction when they are addressed at the sa...

Page 19: ...roller contain opto couples that protect all following circuit parts The opto couple and therefore also the inputs are only activated 1 by a certain voltage level of about 2 to 5V If there is no volta...

Page 20: ...20 APENDIX...

Page 21: ...21 A MRAI diagram...

Page 22: ...neering ZWOLLE THE NETHERLANDS For USA contact WWW MOJOROBO COM IMPORTANT 1 MOVIT and ELEKIT are registered trademarks of EK Japan Co Ltd 2 All rights reserved Reprinting any of this instruction manua...