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17HS3401S NEMA17 Stepper Motor

17HS3401S NEMA17 Stepper Motor 17HS3401S NEMA17 Stepper Motor
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Component Name

17HS3401S NEMA17 Stepper Motor

Overview

The 17HS3401S is a NEMA17 stepper motor, a type of brushless DC electric motor that converts digital pulses into mechanical movements. It is designed for precise control and positioning in various applications, including robotics, CNC machines, 3D printers, and other automation systems.

Functionality

The 17HS3401S stepper motor operates by receiving digital pulse signals from a microcontroller or driver, which control the motor's rotational movement. The motor's rotor moves in small, precise steps (typically 1.8 or 0.9 per step) in response to these pulses, allowing for accurate positioning and control. The motor's direction, speed, and acceleration are determined by the frequency and sequence of the incoming pulse signals.

Key Features

  • NEMA17 Mounting Pattern: The motor has a standard NEMA17 mounting pattern, making it compatible with a wide range of mounting systems and accessories.
  • High Torque and Holding Torque: The 17HS3401S stepper motor delivers a high torque of 1.2 Nm (170 oz-in) and holding torque of 1.4 Nm (200 oz-in), making it suitable for demanding applications.
  • Bipolar 2-Phase Motor: The motor is designed with a bipolar 2-phase configuration, which allows for more precise control and higher torque density.
  • High-Resolution Steps: The motor has a high step resolution of 200 steps per revolution (1.8 per step), enabling precise positioning and control.
  • Low Vibration and Noise: The motor's design minimizes vibration and noise, making it suitable for applications where smooth operation is essential.
  • Compact Size: The motor has a compact design with a diameter of 42 mm (1.65 in) and length of 40 mm (1.57 in), making it ideal for space-constrained applications.
  • 4-Lead Wires: The motor has four lead wires, allowing for easy connection to a microcontroller or driver.
  • Operating Temperature Range: The motor operates within a temperature range of -20C to 50C (-4F to 122F), making it suitable for a wide range of environments.
  • UL and CE Certified: The motor meets the safety standards of UL (Underwriters Laboratories) and CE (Conformit Europene), ensuring compliance with industry regulations.

Specifications

Motor Type

Bipolar 2-Phase Stepper Motor

Step Angle

1.8 per step

Step Resolution

200 steps per revolution

Holding Torque

1.4 Nm (200 oz-in)

Rated Torque

1.2 Nm (170 oz-in)

Rated Current

1.5 A per phase

Resistance

3.6 per phase

Inductance

3.5 mH per phase

Rotor Inertia

25 gcm

Weight

Approximately 280 g (9.9 oz)

Mounting Pattern

NEMA17

Insulation Class

B

Protection Class

IP40

Applications

The 17HS3401S NEMA17 stepper motor is suitable for various applications, including

Robotics and automation systems

CNC machines and milling systems

3D printers and rapid prototyping

Medical devices and equipment

Industrial automation and control systems

Aerospace and defense applications

Safety Precautions

When working with the 17HS3401S stepper motor, ensure to follow proper safety precautions, including

Handling the motor with care to avoid damage or injury

Ensuring proper electrical connections and insulation

Avoiding exposure to extreme temperatures, humidity, or vibrations

Following proper mounting and installation procedures

Consulting the manufacturer's documentation and guidelines for specific application requirements

Pin Configuration

  • 17HS3401S NEMA17 Stepper Motor Pinout and Connection Guide
  • The 17HS3401S NEMA17 Stepper Motor has 6 pins, which are used to control the motor's rotation and direction. Below is a detailed explanation of each pin and a step-by-step guide on how to connect them:
  • Pinout:
  • 1. A+ (Phase A Positive)
  • Function: Positive terminal of Phase A coil
  • Description: This pin is connected to the positive terminal of the Phase A coil of the stepper motor.
  • 2. A- (Phase A Negative)
  • Function: Negative terminal of Phase A coil
  • Description: This pin is connected to the negative terminal of the Phase A coil of the stepper motor.
  • 3. B+ (Phase B Positive)
  • Function: Positive terminal of Phase B coil
  • Description: This pin is connected to the positive terminal of the Phase B coil of the stepper motor.
  • 4. B- (Phase B Negative)
  • Function: Negative terminal of Phase B coil
  • Description: This pin is connected to the negative terminal of the Phase B coil of the stepper motor.
  • 5. VCC (Power Supply)
  • Function: Power supply for the motor driver
  • Description: This pin is connected to the positive terminal of the power supply (typically 2.5-5V) for the motor driver.
  • 6. GND (Ground)
  • Function: Ground connection for the motor driver
  • Description: This pin is connected to the negative terminal of the power supply (ground) for the motor driver.
  • Connection Guide:
  • Step 1: Connect the Power Supply
  • Connect the positive terminal of the power supply (2.5-5V) to the VCC pin.
  • Connect the negative terminal of the power supply (ground) to the GND pin.
  • Step 2: Connect the Motor Driver
  • Connect the A+ pin to the positive terminal of the Phase A coil input on the motor driver.
  • Connect the A- pin to the negative terminal of the Phase A coil input on the motor driver.
  • Connect the B+ pin to the positive terminal of the Phase B coil input on the motor driver.
  • Connect the B- pin to the negative terminal of the Phase B coil input on the motor driver.
  • Important Notes:
  • Make sure to use a suitable motor driver that can handle the stepper motor's current and voltage requirements.
  • Ensure proper polarity when connecting the power supply and motor driver to avoid damage to the components.
  • Consult the motor driver's datasheet for specific connection instructions, as the pinout may vary depending on the driver model.
  • By following these steps, you can properly connect the pins of the 17HS3401S NEMA17 Stepper Motor to a motor driver and power supply, enabling control over the motor's rotation and direction.

Code Examples

17HS3401S NEMA17 Stepper Motor Documentation
Overview
The 17HS3401S is a NEMA17 bipolar stepper motor with a step angle of 1.8 degrees and a holding torque of 42 Ncm. It is widely used in various applications such as 3D printers, CNC machines, and robotics.
Technical Specifications
Step Angle: 1.8 degrees
 Holding Torque: 42 Ncm
 Operating Voltage: 2.5-5V
 Phase Current: 1.5A
 Inductance: 2.5mH
 Resistance: 1.5 ohms
 Insulation Resistance: 100M ohms
 Operating Temperature: -20C to 50C
Connection Diagram
The 17HS3401S NEMA17 stepper motor has 4 wires:
A+ (yellow)
 A- (white)
 B+ (black)
 B- (red)
Example 1: Arduino Library (AccelStepper)
To control the 17HS3401S stepper motor using an Arduino board, you can use the AccelStepper library. Here's an example code that demonstrates how to rotate the motor clockwise and counterclockwise:
```c++
#include <AccelStepper.h>
// Define the stepper motor pins
#define A_PLUS_PIN 2
#define A_MINUS_PIN 3
#define B_PLUS_PIN 4
#define B_MINUS_PIN 5
// Create an instance of the AccelStepper library
AccelStepper stepper(AccelStepper::DRIVER, A_PLUS_PIN, A_MINUS_PIN, B_PLUS_PIN, B_MINUS_PIN);
void setup() {
  // Set the maximum speed and acceleration
  stepper.setMaxSpeed(1000);
  stepper.setAcceleration(500);
}
void loop() {
  // Rotate the motor clockwise
  stepper.moveTo(200);
  stepper.run();
// Rotate the motor counterclockwise
  stepper.moveTo(-200);
  stepper.run();
delay(1000);
}
```
Example 2: Raspberry Pi with Python (py_stepper)
To control the 17HS3401S stepper motor using a Raspberry Pi, you can use the py_stepper library. Here's an example code that demonstrates how to rotate the motor using Python:
```python
import py_stepper
# Define the stepper motor pins
A_PLUS_PIN = 17
A_MINUS_PIN = 23
B_PLUS_PIN = 24
B_MINUS_PIN = 25
# Create an instance of the py_stepper library
stepper = py_stepper.Stepper(A_PLUS_PIN, A_MINUS_PIN, B_PLUS_PIN, B_MINUS_PIN)
while True:
    # Rotate the motor clockwise
    stepper.rotate(200, 1000)
# Rotate the motor counterclockwise
    stepper.rotate(-200, 1000)
time.sleep(1)
```
Additional Resources
[AccelStepper Library Documentation](https://www.airspayce.com/mikem/arduino/AccelStepper/classAccelStepper.html)
 [py_stepper Library Documentation](https://pypi.org/project/py-stepper/)
Please note that the examples provided are for illustration purposes only and may require modification to suit your specific use case. Always ensure that the stepper motor is properly powered and handled to avoid damage or injury.