Difference between revisions of "Geeetech GTM32 Board"
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Revision as of 09:07, 23 May 2018
Contents
Introduction
GTM32 is a fully self-developed control board by Geeetech for high-performance 3D printers. It keeps Geeetech’s uniformly optimized interface specifications, easy to assemble and with compact layout, high integration and high performance. GTM32 control board (hereinafter referred to as the control board) adopts the current mainstream high-performance Cortex M3 core chip STM32F103, with its running frequency of up to 72MHz.The control board supports up to 4 stepper motors, namely, XYZ axial motor and an extruder. Users can replace the driving modules, such as A4988 and TMC2100 modules, according to their own needs. Besides, it employs the high performance USB serial chip FT232RL, which enables users to manipulate the control board via USB cable. Its output voltage is 12V.
Features
a. Adopting high-performance Cortex M3 core chip STM32F103, with its running frequency of up to 72MHz.
b. Using high-performance USN serial chip FT232RL, manufactured by FTDI, compatible with Windows, OS X, Linux etc. mainstream operation system.
c. The output voltage of GTM32 control board is 12V. It is characterized by dual power supply design, powering up the hotbed and other electronic components respectively. The current for hotbed is 9A and 7A for other parts.
d. The main circuit adopts in-line fuse, with overcurrent protection and reverse protection. The USB power supply interface has a restorable fuse, with its current at 500mA.
e. The control board features three interfaces for PWM fans.
f. Supporting up to 4 stepper motors, namely, XYZ axial motor and an extruder. The common stepper motor drivers are A4988 and TMC2100.
g. Dual temp sensor input: one for the extruder, the other for the hotbed. 100K thermistor is recommended.
h. The control board comes with expansion interfaces for LCD display and SD card, supporting stand-alone printing.
i. With a buzzer on board.
Hardware Resources
Here is a list of the hardware for GTM32 control board.
1. Power supply unit: 12V output voltage
2. Hotbed interface and extruder interface
3. 4 stepper motor drivers (3 for X, Y, Z axis motors and 1 for the extruder)
4. Interfaces for LCD display & SD card.
5. 6 endstop interfaces
6. 3 interfaces for thermistor
7. 3 interfaces for PWM fan
8. 3D Touch interface
9. Serial interface for Wi-Fi module
Diamension: 102mm*84mm* 27.5mm
Weight: 79.00 g
Interface specifications:
Extruder interface: MX (3.0mm-2*6Pin)
Hotbed interface: MX (3.0mm-2*2Pin)
X, Y, Z motor interfaces: XH (2.54mm-12Pin)
Control board Fan interface: PH (2.00mm-2Pin)
Endstop interface: 2x9 Pin (2.54mm -18Pin)
3D Touch interface: XH (2.54mm-2Pin, 3Pin)
Serial interface for Wi-Fi module: 1x8Pin (1.27mm-8Pin)
USB interface: USB B type
LCD interface: FPC1.0mm-12 Pin
SD card interface: FPC0.5mm-10 Pin
Software resources
Firmware:
Host software:
Printing and control software:
http://www.geeetech.com/wiki/images/3/36/SetupRepetierHost_1_00.zip
