Lichuan DC Open Loop Stepper Motor Drivers Kit 0.21N.m 2 Phase Nema17 DC24V~48V 1.2A
Lichuan DC Open Loop Stepper Motor Drivers Kit
0.12N·m / 0.21N·m / 0.3N·m / 0.4N·m / 0.6N·m | 2-Phase NEMA17 | DC 24V–48V | 1.2A
Product Description
The Lichuan DC Open Loop Stepper Motor Drivers Kit combines a high‑quality NEMA17 stepper motor with a reliable open loop driver to deliver smooth and accurate motion control. Using standard Pulse & Direction (PUL/DIR) control signals, this kit is fully compatible with PLCs, CNC controllers, microcontrollers, and motion control cards.
Thanks to its simple open loop structure, the Lichuan DC Open Loop Stepper Motor Drivers Kit offers low maintenance requirements, reduced system cost, and fast commissioning, making it an excellent choice for OEMs, system integrators, and DIY automation projects.
Product Overview
The Lichuan DC Open Loop Stepper Motor Drivers Kit is a compact and cost‑effective motion control solution designed for light‑load and high‑precision positioning applications. This Lichuan DC Open Loop Stepper Motor Drivers Kit features a standard 2‑phase NEMA17 stepper motor, wide DC 24V–48V input voltage, and 1.2A rated current, making it ideal for desktop CNC machines, 3D printers, laboratory equipment, and small automation systems.
With multiple torque options from 0.12 N·m to 0.6 N·m, the Lichuan DC Open Loop Stepper Motor Drivers Kit allows users to easily select the optimal configuration based on load requirements while maintaining system simplicity and reliability.
Product Information
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Product Name: Lichuan DC Open Loop Stepper Motor Drivers Kit
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Motor Type: 2‑Phase Hybrid Stepper Motor
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Frame Size: NEMA17
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Control Type: Open Loop Control
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Rated Current: 1.2A
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Input Voltage: DC 24V–48V
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Torque Options: 0.12 / 0.21 / 0.3 / 0.4 / 0.6 N·m
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Mounting Style: Standard NEMA17 flange
The Lichuan DC Open Loop Stepper Motor Drivers Kit is designed for easy integration, stable operation, and long‑term use in light industrial and commercial equipment.
| 2PHASE NEMA17 STEPPER MOTOR |
| Model |
Step Angle |
Motor Length |
Holding Torque |
Rated Current |
Phase Resistance |
Phase Inductance |
Rotor Inertia |
Motor Weight |
Lead Wire |
Shaft Diameter |
Shaft Extension |
Shaft Length |
| (°) |
L(mm) |
(N.m) |
(A) |
(Ω) |
(mH) |
(g.cm²) |
(Kg) |
(No.) |
D(mm) |
(mm) |
(mm) |
| LC42HS28 |
1.8 |
28 |
0.12 |
1.2 |
0.8 |
1.0 |
30 |
0.15 |
4 |
5 |
D-cut 0.5x15 |
24 |
| LC42HS34 |
1.8 |
34 |
0.21 |
1.2 |
1.2 |
1.8 |
35 |
0.22 |
4 |
5 |
D-cut 0.5x15 |
24 |
| LC42HS40 |
1.8 |
40 |
0.3 |
1.2 |
1.5 |
2.8 |
54 |
0.3 |
4 |
5 |
D-cut 0.5x15 |
24 |
| LC42HS48 |
1.8 |
48 |
0.4 |
1.2 |
1.2 |
1.6 |
68 |
0.38 |
4 |
5 |
D-cut 0.5x15 |
24 |
| LC42HS60 |
1.8 |
60 |
0.6 |
1.2 |
2.75 |
6.4 |
102 |
0.5 |
4 |
5 |
D-cut 0.5x15 |
24 |
| EtherCAT bus-type two-phase step drive |
| Product Model |
OL3-E57H |
Product Size |
133 x 90 x 34mm |
| Current Range |
Peak current 5A |
Product weight |
0.3KG |
| Power Range |
DC24V~48V |
Drive Motor |
two-phase nema17 step motor |
| Junction port |
RJ45 |
Transmission rate |
2x 100 Mbps (full duplex) |
| Equipment Agreement Standard: |
CiA402 Drive Profile |
| Communication Protocol Standard: |
CoE: CANopen over EtherCAT |
| Bus Address setting: |
Two-bit 16-bit Rotary Code, can be used to set from the station address, address range 0x00~0xFF |
| Control Mode: |
PP(Profile Position Mode)protocol location Mode PV(Profile Velocity Mode) protocol speed Mode HM (Homing Mode)back to square one
CSP (Cycle Synchronized Position Mode) Cycle synchronization Mode
|
| Digital input: |
6 input functions, of which 4 single-ended input isolation,2 differential isolation input,differential maximum input frequency 500 Khz |
| Digital output: |
Three signal outputs and one single -ended brake control |
| Alarm function: |
It has over-current, over-voltage, under-voltage, over-tolerance alarm and so on |
Basic Specifications
| Item |
Description |
| Brand |
Lichuan |
| Product Series |
DC Open Loop Stepper Motor Drivers Kit |
| Motor Size |
NEMA17 |
| Phase |
2 Phase |
| Control Mode |
Open Loop |
| Input Voltage |
DC 24V–48V |
| Rated Current |
1.2A |
| Torque Range |
0.12–0.6 N·m |
Technical Specifications
Motor Torque Options
| Model |
Holding Torque |
| Option A |
0.12 N·m |
| Option B |
0.21 N·m |
| Option C |
0.3 N·m |
| Option D |
0.4 N·m |
| Option E |
0.6 N·m |
Driver Parameters
| Parameter |
Value |
| Input Voltage |
DC 24V–48V |
| Output Current |
1.2A |
| Control Signal |
Pulse / Direction |
| Microstepping |
Supported |
| Protection |
Over‑current, Over‑voltage, Over‑temperature |
| Operating Temperature |
−20°C to +60°C |
| Cooling Method |
Natural Cooling |
Key Selling Points
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Wide DC 24V–48V voltage input
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Multiple torque options for flexible selection
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Standard NEMA17 mounting for easy replacement
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Simple open loop structure with high reliability
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Excellent cost‑performance ratio
The Lichuan DC Open Loop Stepper Motor Drivers Kit is optimized for light‑duty automation applications requiring stable and repeatable positioning.
Product Features
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2‑phase hybrid stepper motor technology
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Compact design for space‑saving installation
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Smooth motion with low vibration and noise
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Adjustable microstepping for improved performance
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Industrial‑grade components for long service life
Technology
The Lichuan DC Open Loop Stepper Motor Drivers Kit uses PWM current control technology to precisely regulate phase current, ensuring stable torque output and reduced motor heating. The driver efficiently manages current according to operating conditions, improving system reliability and energy efficiency.
Working Principle
In the Lichuan DC Open Loop Stepper Motor Drivers Kit, the driver energizes the motor windings sequentially based on incoming pulse signals. Each pulse corresponds to a fixed step angle, enabling accurate position and speed control without feedback devices. Proper torque selection ensures reliable operation under expected load conditions.
Applications
The Lichuan DC Open Loop Stepper Motor Drivers Kit is widely used in:
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3D printers
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Desktop CNC engraving machines
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Laser engraving and marking equipment
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Small automation and assembly systems
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Educational and laboratory equipment
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Smart home motion actuators
Typical Use Cases
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Linear modules and lead screw drives
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Timing belt transmission systems
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Small positioning and feeding mechanisms
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Testing and inspection platforms
Product Advantages
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Lightweight and compact structure
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Easy installation and wiring
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Stable batch quality for OEM projects
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Reduced system cost compared with closed loop systems
Product Services
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Technical consultation and model selection support
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Wiring diagrams and parameter documentation
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OEM / ODM customization service
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Stable long‑term supply for bulk orders
Manufacturing Process
Installation & Operation
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Connect the DC power supply (24V–48V).
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Wire the motor and driver according to the wiring diagram.
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Set current and microstepping parameters.
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Input pulse signals to test and operate the motor.
Precautions
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Do not connect or disconnect wires while powered on.
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Ensure adequate ventilation for heat dissipation.
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Avoid long‑term overload operation.
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Use a regulated DC power supply.
Company Profile
Lichuan specializes in the development and manufacturing of stepper motors, drivers, and motion control systems. Its product range includes open loop, closed loop, and integrated stepper solutions widely used in automation, CNC machinery, and intelligent equipment. The Lichuan DC Open Loop Stepper Motor Drivers Kit represents a reliable solution for light‑duty motion control applications.
Certifications
Quality Assurance
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100% factory inspection before shipment
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Consistent quality control for mass production
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Standard warranty service provided
Customer Support
FAQ
Q1: Is this kit open loop or closed loop?
A: This is an open loop system. The Lichuan DC Open Loop Stepper Motor Drivers Kit does not use encoder feedback.
Q2: Is it suitable for high‑precision applications?
A: It is suitable for light‑load and high repeatability applications. For anti‑step‑loss requirements, a closed loop system is recommended.
Q3: What power supply voltage is recommended?
A: A 36V or 48V DC power supply is recommended for optimal speed and performance.













