HEDS-9700: High-Performance Incremental Rotary Encoder

 

The HEDS-9700 is a high-resolution incremental rotary encoder designed for precision motion control applications. Manufactured by Broadcom, this encoder is widely known for its reliability, compact design, and excellent performance in detecting angular position and speed. Its versatility makes it a popular choice in industrial automation, robotics, and other motion control systems. 

 In this article, we’ll explore the features, specifications, and applications of the HEDS-9700 encoder, emphasizing its role in modern technology. 

 

Key Features of HEDS-9700 

 

1. High Resolution 

Offers resolutions from 96 CPR (Counts per Revolution) to 1024 CPR, enabling precise motion detection. 

2. Compact Design 

Features a compact and lightweight build, ideal for space-constrained applications. 

3. Incremental Encoding 

Provides two-channel quadrature output signals, ensuring accurate position and direction sensing. 

4. Wide Compatibility 

Works seamlessly with motors and other rotary motion systems, supporting various shaft diameters.

5. Durability and Longevity 

Built to withstand harsh operating conditions, ensuring long-lasting performance. 

6. Ease of Integration 

Comes with a user-friendly mounting design for quick and secure installation. 

 

Specifications of HEDS-9700 

 

-         Resolution Options: 96, 100, 125, 180, 200, 250, 256, 300, 360, 400, 500, 512, 1000, 1024 CPR 

-         Output Signals: Two-channel quadrature signals (A and B) 

-         Power Supply Voltage: 5V DC 

-         Operating Temperature Range: -40°C to +100°C 

-         Maximum Shaft Diameter: 8mm (depending on model) 

-         Mounting: Quick and secure with snap-on codewheel hub 

-         Material: High-quality optical and mechanical components 

-         Accuracy: High repeatability for consistent performance 

 

Applications of HEDS-9700 

 

1. Industrial Automation 

Used in conveyor systems, robotic arms, and other machinery for precise position feedback. 

2. Robotics 

Enables accurate movement control in autonomous and industrial robots. 

3. Servo Motors 

Ensures precise speed and position control in closed-loop systems. 

4. Medical Devices 

Found in imaging systems and diagnostic equipment requiring high accuracy. 

5. Aerospace and Defense 

Supports critical positioning systems in avionics and defense equipment. 

6. Consumer Electronics 

Used in devices like 3D printers, gaming controllers, and more. 

7. Test and Measurement Equipment 

Provides precise angular feedback in laboratory instruments and automated testers. 

 

Advantages of Using HEDS-9700 

 

1. Precision and Accuracy 

High-resolution encoding ensures exact position and speed detection. 

2. Wide Application Range 

Suitable for various industries, from industrial automation to consumer electronics. 

3. Compact and Lightweight 

Simplifies integration into compact and portable designs. 

4. Durable and Reliable 

Built to withstand tough conditions, ensuring long operational life. 

5. Versatile Resolutions 

Offers multiple resolution options to fit different application requirements. 

 

 

Example Application: Precision Motor Control 

 

Scenario: 

You are designing a robotic arm requiring precise angular movement and feedback. 

 

Solution: 

1. Mount the HEDS-9700 encoder onto the motor shaft using its snap-on hub. 

2. Connect the encoder’s output signals (A and B) to the motor controller or microcontroller. 

3. Use the quadrature signals to detect angular position and direction for precise movement control. 

 

The HEDS-9700 ensures smooth and accurate operation, enhancing the robotic arm's performance. 

 

FAQs About HEDS-9700 

 

Q: What is the resolution range of the HEDS-9700? 

The encoder offers resolutions from 96 to 1024 CPR, catering to various precision requirements. 

Q: Can it be used in harsh environments? 

Yes, the HEDS-9700 is designed for durability and performs well in challenging industrial conditions. 

Q: Is it compatible with different shaft sizes? 

Yes, the encoder supports various shaft diameters up to 8mm, depending on the model. 

Q: How does it output position information? 

It provides two-channel quadrature signals (A and B) for position and direction sensing. 

Q: What industries commonly use this encoder? 

The HEDS-9700 is popular in industrial automation, robotics, medical devices, and consumer electronics. 

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