Summary of Contents for Simac Joy-IT ARD-CNC-Kit2
- Page 1 CONTROLLER BOARD CNC 4x DRV8825 motor driver for Arduino Uno Joy-IT powered by SIMAC Electronics GmbH - Pascalstr. 8 - 47506 Neukirchen-Vluyn - www.joy-it.net...
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Page 2: General Information And Safety Instructions
1. GENERAL INFORMATION & SAFETY INSTRUCTIONS Dear customer thank choosing product. following we will show you what you need to bear in mind when commissioning and using. Should you encounter any unexpected problems during use, please do not hesitate to contact us. 2. -
Page 3: Pin Assignment
3. PIN ASSIGNMENT Communication Control unit 1 End Stops Axis cloning Control unit 2 Power supply Motor connec- tions Control unit 1 • RST (reset button top left): Resets the board. • E-STOP (emergency stop) Stops all movements immediately by resetting the controller. The E-Stop integrated on the CNC shield is sufficient for many cases, but is not a fully-fledged safety solution. - Page 4 Control unit 2 • SpnEn (PWM) Spindle switch-on via PWM control. Left pin PWM signal, right pin GND. • SpnDir Direction of the spindle control. Left pin direction signal, right pin GND. • CoolEn Control for a cooling system (e.g. fan, water pump). Left pin control sig- nal, right pin GND.
- Page 5 Motor connections The ARD-CNC-Kit2 has a total of four slots for stepper motor drivers, one each for the X, Y, Z and A axes. Each slot is designed to be compatible with common stepper motor drivers such as A4988 or DRV8825. Microstep settings The step resolution of the motors can be configured individually for each axis using jumpers M0, M1 and M2.
- Page 6 Here is an overview of which Arduino pins are used for the corresponding control signals: ARDUINO UNO CNC SHIELD X STEP Y STEP Z STEP X DIR Y DIR Z DIR ENABLE X LIMIT Y LIMIT SPN EN Z LIMIT ABORT HOLD RESUME...
- Page 7 5. ADJUSTING THE MOTOR DRIVER Setting the current for the DRV8825 motor driver is essential in order to ope- rate the stepper motor safely and efficiently. If the current is set too high, the motor can overheat, which can damage the windings in the long term and lead to failure.
- Page 8 6. CONNECTING THE EXPANSION BOARD The ARD-CNC-Kit2 supports the Arduino Uno and Arduino Uno compatible boards. The CNC expansion board is simply plugged onto your Arduino Uno. It requi- res an additional power supply of between 12 V and 35 V. ATTENTION!!! Ensure that...
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Page 9: Example Code
7. EXAMPLE CODE To control the CNC shield, we use the Arduino GRBL library, which you can download from the following link: https://github.com/grbl/grbl After downloading, unzip the downloaded ZIP file and copy the "grbl" folder, which is located inside the unzipped "grbl-master" folder, into the Arduino libraries folder. -
Page 10: Further Information
Returns can be made at our company location during the opening hours: SIMAC Electronics GmbH, Pascalstr. 8, D-47506 Neukirchen-Vluyn Return option in your neighbourhood: We will send you a parcel stamp with which you can return the device to us free of charge. To do so, please contact us by e-mail at Service@joy-it.net or by telephone.
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