17HS4401 NEMA17 Stepper Motor - 40mm Documentation

Mounting style

NEMA17 standard, with a 4-hole mounting pattern and a bolt circle diameter of 31mm

Body length

40mm

Shaft diameter

5mm

Shaft length

20mm

Weight

approximately 250g

### Electrical Characteristics

Voltage

3.5V to 12V

Current

1.5A per phase (peak), 0.8A per phase (mean)

Resistance

2.5 per phase

Inductance

2.8mH per phase

### Performance Characteristics

Holding torque

42 Ncm (300 oz-in)

Rated torque

32 Ncm (230 oz-in)

Speed

up to 1000 RPM

Step angle

1.8 (200 steps per revolution)

### Operating Environment

Operating temperature

-20C to 50C (-4F to 122F)

Storage temperature

-30C to 60C (-22F to 140F)

Humidity

5% to 95% relative humidity, non-condensing

### Additional Features

Insulation class

Class B (130C)

Connection type

4-lead wire ( bipolar configuration)

Lead wire length

300mm (11.8 in)

Applications

The 17HS4401 NEMA17 Stepper Motor - 40mm is suitable for a wide range of applications, including

CNC machines and 3D printers

Robotics and automation systems

Industrial machinery and equipment

Medical devices and equipment

IoT projects and prototyping

Safety Precautions

When working with the 17HS4401 NEMA17 Stepper Motor - 40mm, ensure proper safety precautions are taken to avoid electrical shock, injury, or damage to the motor or surrounding components. Follow proper wiring and installation guidelines, and ensure the motor is operated within its specified ratings and environments.

Pin Configuration

Component Overview
The 17HS4401 NEMA17 Stepper Motor - 40mm is a high-torque, bipolar stepper motor designed for a wide range of applications, including robotics, CNC machines, and 3D printers. This document provides a detailed explanation of the motor's pins and their corresponding connections.
Pinout Structure
The 17HS4401 NEMA17 Stepper Motor has a 4-wire configuration, with two coils (A and B) and their respective center taps. The motor's pins are labeled as follows:
A+ (Pin 1)
A- (Pin 2)
B+ (Pin 3)
B- (Pin 4)
Pin Description and Connection Guide
Here is a point-by-point breakdown of each pin and their corresponding connections:
A+ (Pin 1)
Function: Coil A positive terminal
Connection: Connect to the positive terminal of the motor driver's coil A output
Note: Ensure the motor driver's coil A output is configured for the correct voltage and current rating
A- (Pin 2)
Function: Coil A negative terminal
Connection: Connect to the negative terminal of the motor driver's coil A output
Note: Ensure the motor driver's coil A output is configured for the correct voltage and current rating
B+ (Pin 3)
Function: Coil B positive terminal
Connection: Connect to the positive terminal of the motor driver's coil B output
Note: Ensure the motor driver's coil B output is configured for the correct voltage and current rating
B- (Pin 4)
Function: Coil B negative terminal
Connection: Connect to the negative terminal of the motor driver's coil B output
Note: Ensure the motor driver's coil B output is configured for the correct voltage and current rating
Connection Diagram
Here is a simplified connection diagram to illustrate the pin connections:
```
+---------------+
| Motor Driver |
+---------------+
|
|
v
+---------------+---------------+
| A+ (Pin 1) | A- (Pin 2) |
+---------------+---------------+
| (Coil A+) | (Coil A-) |
| Motor Driver | Motor Driver |
| Coil A Output | Coil A Output |
+---------------+---------------+
|
|
v
+---------------+---------------+
| B+ (Pin 3) | B- (Pin 4) |
+---------------+---------------+
| (Coil B+) | (Coil B-) |
| Motor Driver | Motor Driver |
| Coil B Output | Coil B Output |
+---------------+---------------+
```
Important Notes
Ensure the motor driver is capable of handling the motor's voltage and current ratings.
Use twisted pair cables to connect the motor to the motor driver to minimize electromagnetic interference (EMI).
Follow proper safety guidelines when working with electrical components and ensure the system is properly grounded.
By following this documentation, you should be able to correctly connect the 17HS4401 NEMA17 Stepper Motor - 40mm to your motor driver and integrate it into your IoT project.

Code Examples

Component Name: 17HS4401 NEMA17 Stepper Motor - 40mm

Overview:
The 17HS4401 is a NEMA17 stepper motor with a step angle of 1.8 and a holding torque of 44 Ncm. It has a body length of 40mm and is suitable for a wide range of applications, including 3D printers, CNC machines, and robotics.

Technical Specifications:

Step Angle: 1.8
 Holding Torque: 44 Ncm
 Body Length: 40mm
 Motor Type: Stepper
 Frame Size: NEMA17
 Winding: Bipolar
 Rated Current: 1.5A
 Rated Voltage: 3.5V
 Insulation Class: B
 Operating Temperature: -20C to 80C

Interfaces:

4-wire connections (A+, A-, B+, B-)

Code Examples:

### Example 1: Using the 17HS4401 with Arduino Uno and A4988 Stepper Driver

In this example, we will demonstrate how to control the 17HS4401 stepper motor using an Arduino Uno and an A4988 stepper driver module.

Hardware Requirements:

Arduino Uno
 A4988 Stepper Driver Module
 17HS4401 NEMA17 Stepper Motor
 Breadboard and jumper wires

Software Requirements:

Arduino IDE (version 1.8.10 or later)

Code:
```c++
#include <Stepper.h>

// Define the stepper motor pins
#define STEPPER_DIR 2
#define STEPPER_STEP 3

// Create a Stepper object
Stepper stepper(200, STEPPER_DIR, STEPPER_STEP);

void setup() {
  // Set the stepper motor speed
  stepper.setSpeed(100);
}

void loop() {
  // Move the stepper motor 100 steps forward
  stepper.step(100);
  delay(500);

// Move the stepper motor 100 steps backward
  stepper.step(-100);
  delay(500);
}
```
### Example 2: Using the 17HS4401 with Raspberry Pi and L293D Stepper Driver

In this example, we will demonstrate how to control the 17HS4401 stepper motor using a Raspberry Pi and an L293D stepper driver module.

Hardware Requirements:

Raspberry Pi
 L293D Stepper Driver Module
 17HS4401 NEMA17 Stepper Motor
 Breadboard and jumper wires

Software Requirements:

Raspbian OS (version 10 or later)
 Python 3.x

Code:
```python
import RPi.GPIO as GPIO
import time

# Set up the GPIO mode
GPIO.setmode(GPIO.BCM)

# Define the stepper motor pins
DIR_PIN = 17
STEP_PIN = 18

# Set up the pins as output
GPIO.setup(DIR_PIN, GPIO.OUT)
GPIO.setup(STEP_PIN, GPIO.OUT)

try:
    while True:
        # Move the stepper motor 100 steps forward
        GPIO.output(DIR_PIN, GPIO.HIGH)
        for i in range(100):
            GPIO.output(STEP_PIN, GPIO.HIGH)
            time.sleep(0.01)
            GPIO.output(STEP_PIN, GPIO.LOW)
            time.sleep(0.01)

# Move the stepper motor 100 steps backward
        GPIO.output(DIR_PIN, GPIO.LOW)
        for i in range(100):
            GPIO.output(STEP_PIN, GPIO.HIGH)
            time.sleep(0.01)
            GPIO.output(STEP_PIN, GPIO.LOW)
            time.sleep(0.01)

except KeyboardInterrupt:
    # Clean up the GPIO pins
    GPIO.cleanup()
```
Note: Make sure to adjust the code according to your specific setup and requirements. Also, ensure proper connections and power supply to the stepper motor and driver module.

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17HS4401 NEMA17 Stepper Motor - 40mm