BIG TREE TECH EBB42 CAN Manual de usuario
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BIGTREETECH
EBB42 CAN V1.0
User Manual
BIGTREETECH
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Contents
Contents................................................................................................................................................ 2
Revisions............................................................................................................................................... 3
Ⅰ. Brief Instruction............................................................................................................................. 4
1.1 Features.................................................................................................................................. 4
1.2 Parameters............................................................................................................................. 5
1. External Dimensions: 40mm x 40mm. For further details please read: BIGTREETECH
EBB36 CAN V1.0-SIZE.pdf........................................................................................................ 5
4. Input Voltage: DC12V-DC24V 9A........................................................................................... 5
5. Logic Voltage: DC 3.3V............................................................................................................ 5
6. Heating Interface: Heating Rod (E0), maximum output current: 5A.................................. 5
7. Onboard Sensor:ADXL345..................................................................................................... 5
8. Fan Interfaces: Two CNC Fans (FAN0, FAN1)..................................................................... 5
9. Maximum Output Current of Fan Interface: 1A, peak value 1.5A...................................... 5
10. Expansion Interfaces: EndStop, I2C, Probe, RGB, PT100/PT1000, USB Interface,
CAN Interface ................................................................................................................................ 5
11. Motor Drive: Onboard TMC2209.......................................................................................... 5
12. Driver Working Mode: UART................................................................................................. 5
13. Stepper Motor Interface: EM................................................................................................. 5
14. Temperature Sensor Interface(Optional): 1 channel 100K NTC or PT1000 (TH0), 1
channel PT100/PT1000................................................................................................................ 5
15. USB Communication Interface: USB-Type-C..................................................................... 5
16. DCDC 5V Maximum Output Current: 1A............................................................................. 5
1.3 Firmware................................................................................................................................. 5
1.4 Size Diagram.......................................................................................................................... 6
II. Peripheral interface........................................................................................................................ 7
2.1 Pin............................................................................................................................................. 7
III. Introduction of Interface.............................................................................................................. 8
3.1 USB Power Supply............................................................................................................... 8
3.2 100K NTC or PT1000 Settings........................................................................................... 8
3.3 Connection with BL-Touch............................................................................................... 10
3.4 Connection with Filament Broke Detection................................................................. 11
3.5 Connection with RGB........................................................................................................ 11
IV. Klipper............................................................................................................................................ 12
4.1 Compile Firmware.............................................................................................................. 12
4.2 Update Firmware................................................................................................................. 13
4.3 CANBus Configuration...................................................................................................... 15
4.3.1 Use with BIGTREETECH U2C Module................................................................ 15
4.3.2 Use with BIGTREETECH RPI-CAN HAT Module.............................................. 16
4.4 Klipper Configuration........................................................................................................ 18
V. Cautions.......................................................................................................................................... 19
VI. FAQ ................................................................................................................................................. 19
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Revisions
Version
Statements
Date
01.00
First Draft
2022/04/18
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Ⅰ. Brief Instruction
BIGTREETECH EBB42 CAN V1.0 is a nozzle adapter board specially designed
for the 42 extruder stepper motor, which is launched by the 3D printing team
Shenzhen Big Tree Technology Co., Ltd. It can communicate via USB port, or
CAN BUS, greatly simplifying wirings.
1.1 Features
1. With BOOT and RESET buttons reserved, users can update the firmware via
DFU mode by USB.
2. Added protection circuit on the thermistor avoids burning the main control chip
caused by leakage current from the heating rod.
3. User can select the thermistor's pull-up resistors values through jumper wire, so
as to support PT1000 (2.2K pull-up resistors), which makes it convenient for DIY.
4. Connect the USB with a jumper cap to get it power on, which effectively isolates
the main control board DC-DC from USB 5V.
5. Reserved I2C interface allows for filament broke and clogged detection, and
supports other DIY functions.
6. Added anti-flyback diodes on the heating rod and fans' ports effectively protect
the MOS tube from being burned due to reverse voltage.
7. Anti-reverse connection protection on the power interface prevents users from
burning the motherboard when mistakenly connecting the reverse power line during
DIY.
8. Onboard MAX31865 supports selecting 2-wire or 4-wire of PT100/ PT1000.
9. Supports communication via CAN or USB. The terminal resistor 120R of CAN
can be selected through the jumper cap, and it reserves CANexpansion interfaces.
10. Equipped ESD protection chip on the USB port prevents the main control board
from being broken down by the static electricity of the USB port.
11. The adaptor board is equipped with terminals, female reeds, double-way studs
and screws, which are required accessories for DIY, greatly meeting the DIY needs
of customers.
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1.2 Parameters
1. External Dimensions: 40mm x 40mm. For further details please read:
BIGTREETECH EBB42 CAN V1.0-SIZE.pdf
2. Installation Dimensions: Hole spacing 31mm x 31mm, M3 screw hole x 4
3. Microprocessor: ARM Cortex-M0 STM32F072C8T6 48MHz
4. Input Voltage: DC12V-DC24V 9A
5. Logic Voltage: DC 3.3V
6. Heating Interface: Heating Rod (E0), maximum output current: 5A
7. Onboard Sensor: ADXL345
8. Fan Interfaces: Two CNC Fans (FAN0, FAN1)
9. Maximum Output Current of Fan Interface: 1A, peak value 1.5A
10. Expansion Interfaces: EndStop, I2C, Probe, RGB, PT100/PT1000, USB
Interface, CAN Interface
11. Motor Drive: Onboard TMC2209
12. Driver Working Mode: UART
13. Stepper Motor Interface: EM
14. Temperature SensorInterface(Optional): 1 channel 100K NTC or PT1000 (TH0),
1 channel PT100/PT1000
15. USB Communication Interface: USB-Type-C
16. DCDC 5V Maximum Output Current: 1A
1.3 Firmware
BTT EEB42 CAN V1.0 only supports Klipper at the present.
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1.4 Size Diagram
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II. Peripheral interface
2.1 Pin
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III. Introduction of Interface
3.1 USB Power Supply
D1 RGB light will be on when the control board is powers on, which shows
supplying normal power. VUSB in the middle of the board is the selection terminal
for power. Only when USB supplies power to the board, or the board supplies
power through USB, users need to short circuit the VUSB by jump cap.
3.2 100K NTC or PT1000 Settings
1. Version without 31865:No need to insert a jumper cap when using a 100K NTC
thermistor, and TH0's pull-up resistor value is 4.7K. When using PT1000, you
need to use the jumper cap to short the two pins circled in red as shown below.
At this time, TH0's pull-up resistor value is 2.2K (Notice: the temperature
accuracy that's read out this way will be less accurate than that of MAX31865).
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2. Version with 31865: Select PT100/PT1000 by DIP switch, two-line or four-wire.
1
2
3
4
Sensor Model
ON
ON
ON
OFF
Two lines PT100
ON
ON
OFF
ON
Two linesPT1000
OFF
OFF
ON
OFF
Four-wire PT100
OFF
OFF
OFF
ON
Four-wire PT1000
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3.3 Connection with BL-Touch
Este manual sirve para los siguientes modelos
1
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