USER GUIDE - RepRapteile
Contents
1. 23 2 2 2 e 24 2 2 3 RADDS OrdBot Wiring 25 PATE M 26 3 5 27 1 1 1 RADDS max3dshop better peintresult USER GUIDE Introduction The RADDS Board provides the following connectivity s 6 Steppers e g 3 axis and 3 extruders 2 of the driver sockets are fitted with 2 strips 6 High current loads e g 1 HeatBed 3 HotEnds and 2 fans SD Card micro SD slot onboard optional external SD slot Standard LCD 5V with 4x20 characters HD44780 compatible Rotating encoder on LCD panel 6 endstops 5 thermistors and a ADC 3 servo motors I2C SPI CAN DAC RS232 and 8 digital pins available via pin strips Additional Features EEPROM Control LEDs for loads and operation voltage Catch diodes at the FETs Car fuses instead of thermo fuses Operation with 24V possible Diode D1 has to be replaced by three 4V 1 3W zener diodes Heatbed current can be up to 15A without a heat sink Premium screw terminals RADDS 2 Wiring and configuration 2 1 Wiring diagram Heated bed Power2. 47 Max3dshop http max3dshop org USER GUIDE RADDS October 2014 Version 1 User Guide created by mundsen ATTRIBUTION NONCOMMERCIAL SHAREALIKE 3 0 UNPORTED CC BY NC SA 3 0 USER GUIDE max3dshop USER GUIDE Table of Contents 1 EL 4 4 2 Wiring and config ration 5 24 Wiring diagram 5 2 1 6 2 12 RAD DS et vent 7 8 21 5 bate ete eee es teed 9 221 5 POWer Supply Unit PSU css 10 2 1 6RADDS powered by 24V Power Supply sese ttnnttenn ttn ttte nitent ttn 11 2 1 75teppe r drivers and motors eie tcn ted Hester 12 2 4 BRADDS EndstOps 21 21 9 CONNECHNG 22 2 2 Wiring sample OrdBot Hadron printer ttti ttt 23 2 2 1 5
3. If you have more than one extruder you must use EXT2 Thermistor 2 and Heater 2 Hotend Fan and Filament Fan to the same terminals as Extruder 1 RADDS 2 2 Wiring sample OrdBot Hadron printer 2 2 1 Setup OrdBot Hadron is a Cartesian Printer with separate X Y and Z axis OrdBot Hadron mechanical set e Arduino DUE RADDS shield RADDS LCD control panel External Silencioso stepper drivers mounted on the stepper motors Mechanical min and max endstops on X Y and Z axis Mk2B heated bed Extruder Hotend Hotend fan 12v Filament fan 12v LED strip 12v to light up the print surface e 12V PSU e 1 64 stepping Z axis and Extruder 1 128 stepping on X and Y axis RADDS 2 2 2 OrdBot Axis Z MAX RADDS 2 2 3 RADDS OrdBot Wiring diagram Heated bed Power Supply Power Supply for heated bed Power Supply for stepper Hotend DUE Jojsiuuou Thermistor RADDS 2 2 4 Installation e Upgrade stepper motors with Silencioso stepper drivers separate user guide e Connect the RADDS shield onto the Arduino DUE board e Install the Silencioso stepper driver adapters X Y 7 and EXT1 Make sure the orientation is correct e Connect the RADDS LCD control panel e Connect stepper motors In this sample dual silenciosos are used for the dual Z stepper motors 2 1 4 3 C
4. 51 52 MS3 MS1 MS2 MS3 MS1 MS2 MS3 STEP In the table you find the different stepping modes for the most used drivers L Open trace Closed trace MS pin 3 3V default When using the DRV8825 the combinations HLH LHH and HHH all gives 1 32 STEP IMPORTANT you have to set the same stepping mode in the configuration h file and update the controller software RADDS 2 1 7 4 1Mounting stepper drivers like A4988 DRV8825 or stepper driver adapters Wires to stepper motor 2B orexternal stepper driver 2 2A like Silencioso Dir pin inthe lower left corner UR A RC A RAE Silencioso stepper driver adapters used as a sample in this wiring diagram but the other drivers have the same pin labels Insert the stepper drivers adapters X Y and Z with the DIR pin in the upper right corner upside down Insert the stepper drivers adapters E1 E2 and E3 with the DIR pin in the lower left corner The X Y and Z motor cables have the black wire at the top The E1 E2 and wires have the red wire at the top The Z and E3 have dual motor cable connections so you can connect two motors RADDS 2 1 7 5 Normal setup when using external stepper drivers like RRD Silencioso This is the normal way to connect a Silencioso driver and motor Power Supply FAN RADDS 2 1 7 6 DualZ stepper motor alte
5. diodes The 12V to 24V modification is an option but not recommended RADDS 2 1 7 Stepper drivers and motors 2 1 7 1 Stepper motor Before you can connect the stepper motor to RADDS or Silencioso you need some information on the stepper motor you have Look at your motor find its part number Then Google it Try to find a schematic or a data sheet that will indicate which wire goes to which pole Note the colors that correspond to each coil Wiring diagram 224 E BLK 4 CRN C 4 leads D RED ZT Wiring diagram for Wantai 42BYGHW609 stepper motor from www wantamotor com If you can t find the motor s part number you can use another method to find the motor s pole pairs When two wires for a pole A or B D touch together it makes a closed circuit for that pole and it gets harder to turn the stepper motor 1 Tryto turn the motor when no cables touch together it should turn freely 2 Touch two of the cables together if the motor gets harder to turn you have found a pole pair If not try to touch two other cables together until the motor gets harder to move 3 When you have two cables together that makes it harder to turn the motor you have found a pole pair Note the colors for each pole pair Pair 1 1A 1B Pair 2 2A 2B RADDS 1A 1B 2A 2B Stepper Motor On the Wantai 42 609 the colors are 1A Black 1B Green 2A Blue 2B Red
6. It does not matter if you swap the pole pairs If the motor turns the wrong way you can reverse it in the configuration file RADDS 2 1 7 2 Micro stepping A stepper motor always has a fixed number of steps Microstepping is a way of increasing the number of steps by sending a sine cosine waveform to the coils inside the stepper motor In most cases micro stepping allows stepper motors to run smoother and more accurately Microstepping between pole positions is made with lower torque than with full stepping but has much lower tendency for mechanical oscillation around the step positions and you can drive with much higher frequencies If your motors are near to mechanical limitations and you have high friction or dynamics microsteps do not give you much more accuracy over half stepping When your motors are overpowered and or you do not have much friction then microstepping can give you much higher accuracy over half stepping You can transfer the higher positioning accuracy to moving accuracy too Source http www reprap org wiki Stepper motor Micro steppin If you want to alter the micro stepping value on one or more axis you have to set the correct value When using Silencioso you set it using the dipswitches on the Silencioso and modify the values in the configuration h file Each time you increase the stepping one level sample from 1 16 to 1 32 you have to multiply the steps per unit value by two Sample You a
7. Supply Power Supply for jew V ow V heated bed only Power Supply for stepper Hotend DUE Heater Hotend Jojsiuuau Thermistor Hotends Endstops Push open RADDS RADDS 2 1 1 uo Sd WMdo es cWMdo es LINMd oo Bae oo 8 o oo o 2 S o sjojsiuueu oo o 2 oo ammo 9 SHS ISON 01010 5 OSIN 089 oo o rity o o o o o 1128 18394 oo o 9 9 o o o pues 05 000000 0 880 LEE sdojspu3 55 ws we anii din o ojo o peg spuejoH EXT pejeeH 4 sue 4 ULAZL AZL AZL Ut AZL RADDS 2 1 2 RADDS measurements 1kg ED oooo 0 00 ooo EEG 8 e ul S RADDS 2 1 3 RADDS LCD SD CARD READER BUZZER RADDS LCD PANEL CONTRAST ENCODER 6000000000920 RADDS 2 1 4 RADDS Arduino DUE The Due has a 32 bit ARM core that can outperform typical 8 bit microcontroller boards The most significant differences are A32 bit core CPU Clock at 84Mhz 96 KBytes of SRAM 512 KBytes of Fla
8. onnect extruder motor to EXT1 e Connect hotend heater element to heater element output 1 e Connect the hotend thermistor to thermistor input 1 e Connect the hotend Fan to Fan 1 output e Connect the filament Fan to Fan 2 output e Connect the 12V LED strip to heater output 3 e Connect HeatedBed thermistor to thermistor input 4 e Connect HeatedBed 12V to the HeatedBed 12V output e Connect 12V from PSU to heated bed power input right side e Connect the main power input from the PSU to 12V input left side e Connect the USB cable to the programming port the one in the lower left corner on the DUE IMPORTANT before you power on your printer for the first time you must finish the software setup Make sure all wiring is correct If you have connected something the wrong way you may damage your electronics RADDS 3 Appendices Notes max3dshop http max3dshop org RepRap RADDS wiki http reprap org wiki RADDS e Martin Henschke http www dr henschke de RADDS due html Arduino DUE http arduino cc en Main ArduinoBoardDue e Arduino software http arduino cc en Main Software RADDS case for OrdBot http www thingiverse com mundsen designs RADDSLCD Case http www dr henschke de LCD Box zip
9. re using 1 16 steps per unit and the value is 80 and want to use 1 32 steps per unit If your steps per unit value is 80 you have to multiply 80 by two 2x80 New steps per unit value 160 RADDS define DEFAULT AXIS STEPS PER UNIT 78 7402 78 7402 200 0 8 3 760 1 1 default steps per unit for Ultimaker define DEFAULT AXIS STEPS PER UNIT 80 80 2560 107 default steps per unit for OrdBot 1 16 define DEFAULT AXIS STEPS PER UNIT 160 160 5120 214 default steps per unit for OrdBot 1 32 This code sample is from Marlin The default steps per unit for OrdBot 1 16 gives you the values for 1 16 micro stepping 80 80 2560 107 X Axis 80 steps mm Y Axis 80 steps mm Z Axis 2560 steps mm Extruder motor 107 steps mm this is the setting for Bulldog Lite Extruder You have to find the correct setting for the extruder you use In the next code line you find default steps per unit for OrdBot 1 32 This is the settings when 1 32 microstepping are used Here all values have been multiplied with two RADDS 2 1 7 3 Set the micro stepping mode on RADDS 1 1 When you use stepper drivers like the A4988 DRV8825 NOT WHEN USING EXTERNAL DRIVERS LIKE SILENCIOSO you have to set the micro stepping mode by cutting or connecting the traces on the back of the RADDS board In this image the traces have different colors to make it easier to find the correct traces A4988 DRV8825 RAPS128
10. rnative 1 dual Silenciosos Use this setup when the total current used by the two motors exceeds the current limit of one Silencioso Power Supply oncon Vr V IN RADDS 2 1 7 7 DualZ stepper motor alternative 2 This is an option if the total current used by the two stepper motors are lower than the Silencioso max current limit Power Supply RADDS 2 1 8 RADDS Endstops leoceceoooococeceoeo MIN SIGNAL As default there is no pins soldered in the 3 3V as they re not needed when using mechanical endstops Mechanical endstops Connect the mechanical endstops to the GND and Signal pins so they are normally closed push open Hal O endstops magnetic eoo000000000000006 For sensitivity adjustment IMPORTANT When using electronic endstops like the Hal O only use endstop that have max 3 3V out on the signal pin When using the Hal O endstops you have to connect the pin on the Hal O to the 5V pin RADDS 2 1 9 Connecting Extruder 4 THERMISTOR HEATER This image shows a normal direct drive extruder hotend setup If Bowden is used the setup is almost the same but there is a tube between the extruder and hotend Wiring Stepper motor to EXT1 Hotend Fan to FAN 1 Filament Fan to FAN 2 Thermistor to Thermistor 1 Heater to Heater 1
11. sh memory for code Mount the RADDS board on the top of the Arduino DUE Use the USB Programming port when connecting the DUE to a computer for software update or controlling the printer If you want more computer power the RADDS board can be combined with an UDOO Quad board http www udoo org features RADDS 2 1 5 Power Supply Unit PSU The motors plus single hotend take up to 5A or so a heated bed typically takes 5A 15A So for a standard setup with heated bed look to about 18 204 total which is about 220 240W at 12V For some setups you might be able to use less power More about power supply http reprap org wiki Power Supply Cables for power supply and heated bed 16 AWG PSU and Heated bed from the PSU to RADDS Heated bed input and from the RADDS heated bed output to the heated bed 18 AWG From PSU to Controller powers the controller Icd panel stepper motors hotend RADDS 2 1 6 gt RADDS powered by 24V Power Supply If you want to power RADDS by 24V the diode used in the default 12V setup have to be replaced by three Zener diodes 4 V and 1 3W The three zener diodes then reduces the 24V to 12V that can power the Arduino It is important that you solder the zener diodes as shown in the image oO000000 o0000000 12V PSU Default 24V PSU new zener
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