3 Axis USBCNC Controller kit 3x NEMA23 stepper motor 425oz in 112mm 3A Dual shaft & 2740C stepper Driver & 400W 36V Power supply-in Motor Driver from Home Improvement

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3 Axis USBCNC Controller kit 3x NEMA23 stepper motor 425oz-in 112mm 3A Dual shaft & 2740C stepper Driver & 400W 36V Power supply Details & Specification :

Item Specifications
Motor Type Stepper Motor
Power Supply DC
Model Number 23HS2430B/FMD2740C
Name 3 axis CNC stepper motor controller kit
Model Number 23HS2430B/FMD2740C
Motor Type Stepper Motor
Driver FMD2740C
Power supply 400W,36V/9.7A
Shaft Dual shaft
Place of Origin Jiangsu, China (Mainland)
is_customized Yes
TAX / VAT EU,RU free VAT and TAX
support system Windows XP ,7,8 system







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Package include: 

3 x 23HS2430B stepper motor ( Dual Shaft, 425Oz-in, 112mm length )

3 x FMD2740C stepper motor driver  4A 36V/DC

1 x 400W 36V/9.7A switching power supply

1 x 4 axis USBCNC breakout board

1 x Hand controller 

1 x USB Cable


if from EU,USA,AUS warehouse delivery to you will be without CD disk,By email send English user manual and software and register code. or send you link and you download them, check this link:


the USBCNC card can support windows XP, 7,8,system,32bit and 64bit ,without support  windows 10


New 3 Axis USBCNC NEMA23 425oz-in,112mm,3A  (Dual shaft ) stepper motor CNC kit

3 Axis57X112B+2740+USBCNC+400W36V 



1. 4 Axis USBCNC breakout board


1) Products brief introduction

USBCNCV4.0 is a high performance motion controller which based on PC software USBCNC control, the system can complete the conversion from G code to connect stepper motor’s driver motion control signal without requiring any additional hardware and software. This control card is compatible with most stepper driver and servo driver,it is a perfect controller that instead of parallel Mach3 interface board.


This interface board is based on USBCNC MK1 and just use in our provide software and functioncannot support other versions of the software and function


2) Computer system requirement

Minimum configuration:

1) CPU:1GHz

2) Memory: 512MB

3) 500MB free disk space

4) DIRECTX9 graphics device with WDDM 1.0 or higher driver

5) USB 2.0 interface



The recommended configuration:

1) CPU:2GHz dikaryon

2) Memory: 2GB;

3) 1G free disk space

4) DIRECTX9 graphics device with WDDM 1.0 or higher driver

5) USB 2.0 interface



3.Production feature

1. After the revision,V4 version using the red PCB board, PCB size is 135.3*82.5mm.;

2. The front of the narrow edge placed with USB communication interface and DB9 hand control interface for the convenience of customers drawn from the case panel directly;

3. The back-end of narrow edge is power input and output interface and 3 relay output interface; relay is strong interference source, relay away from the design of main control chip, it is conducive to the stability of the board;

4. One of the two wide sides is stepper motor and principal axiscontrol signal output;

5. The another side of two wide sides is the emergency stop, manual speed input, limiting input interface; one side for the input, another side output connection mode is simple and convenient;

6. 5V and 12V power module compact independence, security, stability;

7. External ensure the stability of the system work effectively with crystal active and main control chip shield;

8.outline dimension is 135.3*82.5mm, product positioning hole installment dimension is 127*75mm

9. pls note!  The software is USBCNC,not mach3, can't use Mach3 software.

This item is easy to operate for DIY hobby user,but it is control by USB port,so need more careful for the software install,and pls must be strict read the user manual and follow us.


2. FMD2740C stepper motor driver


FMD2740C stepper motor driver

1,Brief introduction

FMD2740C driven by Japanese sanyo's chip,After multiple optimize R & D and production of high-subdivision 2-phase stepper motor drives, suitable for driving small and medium-sized phase current is less than 4A 2-phase or 4-phase hybrid stepping motor. Due to the adoption of the new bipolar constant current chopper drive technology, using the same motor can output more speed and power than other drivers. Segments stepper motor running accuracy improved, reduces vibrations and noise reduction.


1. High-performance, low price

2. Bipolar constant current chopping mode

3. Power supply voltage 12 to 40VDC

4. High-speed optocoupler signal isolation input

5. 20kHz chopping frequency

6. Subdivision precision 2\8\16\32\64\128\10\20 optional

7. Electrical input signal is TTL compatible

8. Stationary current is automatically reduced by half

9. Shape design is convenient for installation

10.Maximum drive current is 4A

11.Drive any 4A phase current of 2-phase or 4-phase hybrid stepping motor



Suitable for a variety of small and medium-sized automation equipment and instruments,for example: Small engraving machine, SMT machine, etc.


4,wiring defined

Weak signal interface




Pulse signal + end


Pulse signal - end


Direction signal +end


Direction signal-end


Enable signal +end


Enable signal -end


Strengths connection port




12to50 v dc power supply input +end,it is recommended to use 36V3A


DC power supply connection ground


Stepper motor A + Phase terminal


Stepper motor A - Phase terminal


Stepper motor B+ Phase terminal


Stepper motor B - Phase terminal

NOTE: This drive does not contain anti-anti-interpolation circuit so non-input positive and negative power supply upside down! Otherwise it will damage the drive!


5,The electrical characteristics


6,The use of the environment and parameters

Cooling method

Natural cooling or forced air cooling

Use of the environment


Avoid dust, oil mist and corrosive gases






6m/s2 MAX

Storage temperature





7,Mechanical installation size



8, Power supply

The supply voltage can work normally in between DC12V-50V, FMD2740A driver can use ordinary switch DC power supply, can also be used for transformer and the bridge rectifier and filter capacitor, capacitance desirable 2000U to 5000U. Note rectified voltage ripple crest does not exceed 50V.Recommended the user to use the 24V-32V DC supply , avoid the grid fluctuations over drive voltage operating range.


1, Wiring should pay attention to the power of positive and negative Do not be reversed;

2, In order to reduce costs, multiple drives can share a power supply. But it should improve the rated power and rated output current of the power and attention to cooling.


9,Attenuation of the DIP switch settings

Decay mode



Slow decay



Mixed decay



Fast decay




10,Subdivision DIP switch settings


11,Current DIP switch settings


12,Drive motor controller wiring diagram


13,Electrical wiring

The FMD2740A driver can drive all current 4A 4-wire, 6-wire or 8-wire 2-phase / 4-phase motors, are detailed below 4-wire, 6-wire, 8 wire stepper motor connection:

14,Matching of the drive and motor

FMD2740A driver can drive the domestic and foreign manufacturers of 2-phase or 4-phase motor, in order to obtain the most satisfactory driving, you need to choose a reasonable supply voltage and current setting. Supply voltage determines the level of the high-speed performance of the motor, and the current set value determines the output torque of the motor.


Supply voltage selected

Generally speaking, the higher the supply voltage, the greater the torque motor at high speed, the more it can avoid the high speed out. But another aspect, the voltage is too high will lead to over-voltage protection, and can even damage the drive, but also in the high-pressure work, low speed vibrations.


The output current is set

For the same motor, the greater the current setting, the higher speed, the current motor and drive more heat. So under normal circumstances the current setting into a powered machine warm but not too hot long-term value.

Note: the current settings after you run the motor for 15-30 minutes, if the motor temperature is too high, you should reduce the current settings. If the motor current setting, the motor output torque is not enough to improve heat dissipation conditions to ensure that the motor and drive are not hot.



3. Stepper Motor

Shaft : single shaft,8mm diameter,21mm length with double 10mm flat length

Note:if you need double shaft pls contact us,we can produce.



23HS 2430B





Motor lead wires:






4.Switching power supply

400W,Input:100-120VAC or 200-240VAC,50/60Hz,Output:36v/9.7 A,single output switching power supply

5.Usage or Application


This products are widely used in engraving machine, printer, medical equipment, 
embroidery machine, stage lighting, textile automation, printing, 
packaging and other industries automation equipment.





Item will ship within 1-2 business days by UPS/DHL on payment received .

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Delivery time :

By UPS/DHL delivery 3-8 days

If the order is during the weekends,it will take 2 days longer,we are not responsible for any delay of order if we have shipped out,because the speed of shipping is out our control, thanks for your understanding.




1.Free VAT/import duty within EU counties.

2.Before purchasing, pls confirm with us whether in stock.

3.Pls make payment within 3 days of the order if possible.

4.Alipay(escrow),Credit Card,Western Union,Bank TT, paypal etc are accepted.


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