WitMotion JY-ME01

JY-ME01 High-Precision 18-bit Absolute Encoder User Manual

Model: JY-ME01

1. Introduction

The JY-ME01 is a high-precision 18-bit resolution absolute encoder designed for digital rotation, multi-turn angle, and speed measurement. This non-contact sensor offers low rotation damping and is housed in an aluminum casing to effectively reject signal interference. It supports both Modbus and Serial ASCII Code protocols, making it versatile for various industrial and automation applications.

Its compact design, light weight, and low power consumption make it suitable for a wide range of applications, including 3D printers, electronically controlled slide rail modules, automated assembly lines, transportation equipment, textile machinery, lifting machinery, pressure machinery, elevator automation, and industrial robots.

JY-ME01 Absolute Encoder
Figure 1: JY-ME01 Absolute Encoder, illustrating its 360° rotation angle measurement capability.
Wide range of applications for the JY-ME01 encoder
Figure 2: Examples of applications for the JY-ME01, including 3D printers, automated assembly lines, and robots.

2. Key Features

  • High Precision: 18-bit resolution for accurate rotation angle measurement.
  • Multi-turn Capability: Designed for multi-turn applications.
  • Digital Output: Provides digital rotation and angle speed measurement.
  • Non-Contact Sensing: Ensures low rotation damping and extended lifespan.
  • Robust Housing: Aluminum housing effectively shields against external magnetic field signal interference.
  • Communication Protocols: Supports Modbus and Serial ASCII Code for flexible data integration.
  • Compact Design: Small size and light weight for easy integration into various systems.
  • Low Power Consumption: Efficient operation.
  • Wide Measuring Range: Suitable for diverse measurement needs.
  • Easy Installation: Designed for straightforward setup.
Six advantages of the JY-ME01 encoder
Figure 3: Visual representation of the JY-ME01's six advantages: small size, light weight, low power consumption, wide measuring range, easy to install, and long service life.
Aluminum housing of the JY-ME01 encoder
Figure 4: Close-up of the JY-ME01's aluminum housing, highlighting its role in rejecting signal interference.

3. Specifications

JY-ME01 Product Parameters and Dimensions
Figure 5: Detailed product parameters and mechanical dimensions of the JY-ME01 encoder.
ParameterValue
Model NumberJY-ME01
DescriptionAbsolute Encoder
Voltage - Supply3.3-5V
Range0-360°
Resolution18 BIT
Rotating Speed25000 RPM
Current - Supply<25mA (Max 25mA)
Operating Temperature-40℃ ~ +85℃
Size / Dimension26mm (Height) * 15mm (Diameter)
ProtocolCAN, 485
Baud Rate9600, 115200, 460800 (default 250K)
Anti-vibration10G
Impact Resistance50G
MaterialHigh Carbon Steel (Shaft)
OriginMainland China, Guangdong

4. Setup

4.1. Unboxing and Shipping List

Upon receiving your JY-ME01, please verify that all components are present:

  • JY-ME01 Encoder
  • Evaluation Board (if included in your package)
  • Type-C USB Cable (if included in your package)
JY-ME01 Shipping List
Figure 6: Typical contents of the JY-ME01 package, including the encoder, evaluation board, and Type-C cable.

4.2. Connection Method

The JY-ME01 encoder uses a silicone soft cable with a special interface for easy connection. Refer to the pinout and MCU connection diagram below for proper wiring.

Easy connection with silicone soft cable
Figure 7: The JY-ME01 features an easy-to-connect silicone soft cable.
NONameDescription
1VCCPower cord 3.3~5V
2RXRX serial port receiving line
3TXTX serial port transmitting line
4NCReserve
5NCReserve
6GNDGround wire
JY-ME01 Connection Method and MCU Connection Diagram
Figure 8: Pinout table and a diagram showing how to connect the JY-ME01 to an MCU board.

4.3. Test Evaluation Board

The development evaluation board is designed to test the on-board CH330 driver chip. It connects to a computer via a Type-C port, offering plug-and-play functionality without additional wiring. It includes a data transceiver working indicator and leads to all interfaces of the module, simplifying development and testing.

JY-ME01 Test Evaluation Board
Figure 9: The JY-ME01 test evaluation board connected to a laptop via Type-C, showing its plug-and-play setup.

4.4. Supporting Information

Additional resources such as PC software, a detailed manual, and STM32 development examples are available to assist with integration and development. Please refer to the provided supporting information for these resources.

JY-ME01 Supporting Information
Figure 10: Supporting information includes PC software, a comprehensive manual, and STM32 development resources.

5. Operation

5.1. Modbus Mode

The JY-ME01 supports Modbus mode, allowing external devices to read sensor data. When connected and configured correctly, the Modbus protocol enables reliable data acquisition for integration into control systems or data logging applications. The PC software provides an interface to visualize this data, often displaying it as an angle curve over time.

JY-ME01 Modbus Mode Interface
Figure 11: Software interface demonstrating data reading in Modbus mode, showing an angle graph.

5.2. Serial ASCII Code Output

For applications requiring straightforward data interpretation, the JY-ME01 can output data in Serial ASCII Code. This format provides intuitive and clear data, making it easy to parse and use in various programming environments. The PC software can display the real-time angle value directly.

JY-ME01 Serial ASCII Code Output Interface
Figure 12: Software interface displaying real-time angle data via Serial ASCII Code output.

5.3. Product Video Overview

For a visual guide on the product and its features, please watch the official product video:

Video 1: Official product overview of the JY-ME01 encoder, demonstrating its features and potential applications.

6. Maintenance

To ensure the longevity and optimal performance of your JY-ME01 encoder, follow these general maintenance guidelines:

  • Keep Clean: Regularly clean the exterior of the encoder with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
  • Environmental Conditions: Operate and store the encoder within the specified operating temperature range (-40℃ to +85℃) and avoid environments with high humidity or corrosive gases.
  • Handle with Care: Although robust, avoid dropping or subjecting the encoder to excessive physical shock.
  • Connection Integrity: Periodically check the cable connections to ensure they are secure and free from damage.
  • Signal Interference: The aluminum housing provides shielding, but ensure the installation environment minimizes strong electromagnetic interference sources that could affect performance.

7. Troubleshooting

This section addresses common issues and questions related to the JY-ME01 encoder.

  • No Data Output:
    • Verify that the encoder is correctly powered (3.3-5V).
    • Check all cable connections for proper seating and continuity.
    • Ensure the correct communication protocol (CAN or RS485) and baud rate are selected in your software or receiving device.
    • If using the evaluation board, confirm the CH330 driver is installed and recognized by your computer.
  • Inaccurate Readings:
    • Ensure the encoder is securely mounted and not experiencing excessive vibration or movement beyond its operational limits.
    • Check for strong magnetic fields or electrical noise in the vicinity that could interfere with the sensor's operation.
    • Verify that the software configuration matches the encoder's settings.
  • Compatibility with Mobile Devices:
    • The JY-ME01 does not directly support connection to iPhones. For iPhone compatibility with WitMotion sensors, specific Bluetooth-enabled models like WT901BLECL, BWT901BCL, or BWT61CL are required.
  • New to Attitude Sensors:
    • The JY-ME01 is designed for direct use. No additional specialized tools are typically required for basic connection and operation beyond standard wiring and a computer for software interface.

8. User Tips

  • Direct Use: For users new to attitude sensors, the JY-ME01 is designed for straightforward integration and does not typically require additional complex tools for initial setup.
  • Protocol Selection: Remember to select the appropriate communication protocol (CAN or RS485) and baud rate in your application for successful data transmission.
  • Software Visualization: Utilize the provided PC software to visualize real-time data and angle curves, which can greatly aid in monitoring and debugging your system.

9. Warranty & Support

9.1. Quality Assurance

All products sold are genuine and undergo quality assurance processes. We maintain high standards of excellence and strive for 100% customer satisfaction.

9.2. Service Guarantee

If you have any questions about the product or require support, please contact the seller. Inquiries are typically responded to within 12 hours.

9.3. Contact Information

For support and inquiries, you may use the following contact details:

  • Email: hnbydzsw111@126.com
  • WhatsApp: +86 19376855707
  • WeChat: Hnhy19376855707
Our Strengths and Contact Information
Figure 13: Overview of seller's strengths including quality assurance and service guarantee, along with contact information.

How to Connect WitMotion JY-ME01 Absolute Rotary Encoder to Computer Software

How to Connect WitMotion JY-ME01 Absolute Rotary Encoder to Computer Software

1:06 • 1280×720 • setup

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