HEDS-9781#H50 Optical Encoder Sensor Module ?C High Precision, Compact Package

HEDS-9781#H50 Overview

The HEDS-9781#H50 is a precision incremental optical encoder designed for accurate position and speed feedback in industrial automation and motion control systems. Featuring a robust 2500 pulses per revolution (PPR) resolution and a compact optical disk, it delivers reliable signal output suitable for harsh environments. This device integrates a photodetector and LED light source for precise optical detection, ensuring high-speed operation with minimal signal noise. Ideal for applications requiring consistent and repeatable feedback, it supports a supply voltage of 5 V and offers differential line driver outputs for enhanced noise immunity. For detailed sourcing and additional technical insights, visit IC Manufacturer.

HEDS-9781#H50 Technical Specifications

Parameter	Specification
Type	Incremental optical encoder
Resolution	2500 pulses per revolution (PPR)
Supply Voltage	+5 V ??5%
Output Type	Differential line driver (A, B, and Index channels)
Operating Speed	Up to 10,000 RPM
Output Current	30 mA max per output
Output Signal Waveform	Square wave, 90?? quadrature phase
Operating Temperature Range	0??C to +70??C
Optical Disk Diameter	22 mm
Index Pulse	One pulse per revolution

HEDS-9781#H50 Key Features

• High-resolution output: Provides 2500 PPR for precise position and velocity measurement, enabling fine control in demanding automation systems.
• Differential line driver outputs: Reduce susceptibility to electrical noise, ensuring signal integrity over long cable runs in industrial environments.
• Compact optical disk: The 22 mm diameter disk allows integration into space-constrained mechanical assemblies without compromising performance.
• Robust operating speed: Supports rotational speeds up to 10,000 RPM, suitable for high-speed motor control applications.
• Single index pulse: Facilitates precise homing and reference position detection, critical for repeatable machine positioning.
• Stable operation: Designed for continuous use in standard industrial temperature ranges, enhancing reliability in various conditions.

HEDS-9781#H50 Advantages vs Typical Alternatives

Compared to typical incremental encoders, this model offers superior resolution and noise immunity through its differential line driver outputs. The high pulse count enhances accuracy, while the compact form factor allows easier integration into tight mechanical systems. Its robust optical sensing approach ensures consistent performance at high speeds, making it a preferred choice for engineers prioritizing precision and reliability in demanding industrial environments.

Typical Applications

• Industrial motor feedback systems requiring precise speed and position control to optimize automation processes and maintain system efficiency.
• Robotics applications where accurate, repeatable motion feedback is essential for coordinated multi-axis control.
• Conveyor and material handling equipment utilizing precise position sensing to regulate movement and sorting operations.
• Machine tools employing incremental encoders for accurate spindle and axis position monitoring to enhance machining accuracy.

HEDS-9781#H50 Brand Info

This incremental optical encoder series is developed by a leading manufacturer specializing in industrial sensor solutions. Known for quality and innovation, the brand ensures each unit undergoes rigorous testing to meet stringent standards. The product line delivers reliable performance for varied industrial automation needs, backed by comprehensive technical support and documentation for seamless integration.

FAQ

What type of output signals does this optical encoder provide?

The encoder outputs differential line driver signals for channels A, B, and the index. These square wave signals are in 90?? quadrature phase, enabling direction detection and precise position tracking with high noise immunity suitable for industrial environments.

What is the maximum rotational speed supported by this encoder?

This encoder can reliably operate at speeds up to 10,000 revolutions per minute (RPM), making it suitable for high-speed motor and spindle applications requiring rapid feedback without signal loss or distortion.

How does the index pulse function benefit system design?

The single index pulse provides one reference signal per revolution, which helps in establishing an absolute reference or home position. This feature is essential for applications that require precise initialization or position resetting during operation.

Can this encoder be used in harsh industrial environments?

Yes, the device is designed to function within a temperature range of 0??C to +70??C and includes differential outputs to minimize electrical noise interference, making it suitable for typical industrial settings with moderate environmental challenges.

What are the power requirements for this optical encoder?

The encoder operates from a 5 V DC power supply with a tolerance of ??5%. It is designed for low power consumption with a maximum output current of 30 mA per channel, enabling compatibility with standard industrial control systems.