HEDS-9731#A50 Overview
The HEDS-9731#A50 is a precision rotary encoder designed for high-performance position sensing in industrial and automation applications. This incremental optical encoder offers reliable digital feedback with a resolution of 360 pulses per revolution, ensuring accurate speed and position measurement. Its compact design and robust build enable seamless integration into various motor control systems, robotics, and industrial machinery. With a TTL open-collector output and a compact 20-pin DIP package, the device delivers consistent signal integrity, low power consumption, and long operational life. The product is a trusted choice for engineers seeking dependable rotary position feedback solutions. More details are available from IC Manufacturer.
HEDS-9731#A50 Technical Specifications
| Parameter | Specification |
|---|---|
| Encoder Type | Incremental Optical |
| Resolution | 360 pulses per revolution (PPR) |
| Output Type | TTL Open-Collector |
| Supply Voltage | 5 VDC ??10% |
| Supply Current | 25 mA typical |
| Output Current | 20 mA maximum (sink) |
| Operating Temperature Range | -40??C to +85??C |
| Package Type | 20-pin Dual Inline Package (DIP) |
| Incremental Output Channels | A and B quadrature channels plus Index Channel (Z) |
| Mechanical Shaft Diameter | 6 mm |
HEDS-9731#A50 Key Features
- High-resolution incremental encoding: Provides 360 pulses per revolution, enabling precise angular position and speed measurements critical for accurate motor control and automation.
- TTL open-collector outputs: Ensures compatibility with a wide range of digital logic systems and allows easy interfacing with microcontrollers and industrial controllers.
- Wide operating temperature range: Supports reliable performance in harsh industrial environments from -40??C to +85??C, enhancing system durability and uptime.
- Compact 20-pin DIP package: Facilitates straightforward integration into existing PCB layouts and reduces design complexity for OEMs and system integrators.
- Robust mechanical design: Features a 6 mm shaft diameter and durable components that withstand mechanical wear, ensuring long service life in continuous operation scenarios.
HEDS-9731#A50 Advantages vs Typical Alternatives
This encoder offers superior accuracy and signal clarity compared to typical alternatives thanks to its incremental optical sensing and TTL open-collector outputs. The wide temperature tolerance and low power consumption further distinguish it, providing enhanced reliability and ease of integration in industrial automation systems. Its compact footprint and mechanical robustness also enable seamless replacement or upgrade to existing encoder solutions without compromising performance.
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Typical Applications
- Industrial motor feedback systems: Enables precise rotational speed and position detection essential for closed-loop control in servo motors and stepper motors, improving system efficiency and accuracy.
- Robotics: Provides real-time position feedback for robotic joints and actuators, facilitating smooth motion control and repeatability in automated manufacturing or assembly lines.
- Conveyor and material handling equipment: Assists in monitoring conveyor belt speed and position, ensuring synchronized movement and reducing mechanical wear by preventing slippage.
- Printing and packaging machines: Delivers accurate incremental position data to coordinate printing heads, cutters, and packagers, thereby enhancing throughput and product quality.
HEDS-9731#A50 Brand Info
The HEDS-9731#A50 is part of a well-established line of optical incremental encoders known for their precision and durability. This product is manufactured by a leading semiconductor and sensor company specializing in industrial automation components. The brand is recognized for stringent quality controls, advanced photointerrupter technology, and extensive application support, making its encoders a preferred choice among engineers and sourcing specialists worldwide. The product line supports a wide range of motion control and sensing needs with proven reliability and consistent performance.
FAQ
What type of output signals does this encoder provide?
The device features TTL open-collector output signals for channels A, B, and the index channel Z. This allows easy interfacing with standard digital logic circuits and microcontrollers, providing clear and noise-resistant pulse outputs.
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What is the significance of the 360 pulses per revolution resolution?
A resolution of 360 PPR means the encoder generates 360 distinct pulses for each full rotation of the shaft. This high pulse count enables fine angular measurements, which is critical for applications requiring precise speed and position control, such as robotics and servo motor feedback.
Can the encoder operate in harsh environmental conditions?
Yes, it supports an operating temperature range from -40??C to +85??C, making it suitable for demanding industrial environments. Its mechanical design also ensures durability against vibrations and mechanical stress commonly encountered in factory settings.
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What are the power requirements for this encoder?
The device operates from a 5 VDC supply with a typical current consumption of 25 mA. This low power demand facilitates integration into systems with limited power budgets and contributes to overall system efficiency.
How does the mechanical shaft size affect integration?
The 6 mm shaft diameter is a common size that fits many standard couplings and mounting accessories, allowing straightforward mechanical integration into existing systems without the need for custom adapters or modifications.






