HEDS-9721#L51 Overview
The HEDS-9721#L51 is a precision optical encoder module designed for accurate rotary position sensing in industrial and automation applications. This device integrates an infrared LED and a photodetector array to deliver reliable quadrature output signals, enabling precise speed and position measurements. With a compact package and robust construction, it supports seamless integration into motor control systems, robotics, and feedback loops. The encoder??s high resolution and low power consumption make it an efficient solution for engineers seeking dependable incremental encoding performance. For detailed technical support and sourcing, visit IC Manufacturer.
HEDS-9721#L51 Technical Specifications
| Parameter | Specification |
|---|---|
| Output Type | Incremental Quadrature |
| Supply Voltage | 5 V ?? 5% |
| Operating Current | 20 mA typical |
| Line Count | 360 lines per revolution |
| Output Format | A, B, and Index (Z) channels |
| Operating Temperature Range | -40??C to +85??C |
| Output Type | Push-pull |
| Incremental Resolution | 1,440 pulses per revolution (after quadrature decoding) |
| Mechanical Shaft Diameter Compatibility | 6 mm nominal |
| Package Dimensions | 29.0 mm ?? 17.0 mm ?? 7.5 mm (L??W??H) |
HEDS-9721#L51 Key Features
- High-resolution incremental output: Enables precise angular measurement with 360 lines per revolution, resulting in enhanced control accuracy.
- Integrated quadrature signals: Provides A, B, and index outputs for reliable direction detection and zero-position referencing.
- Robust electrical interface: Push-pull outputs allow direct interfacing with various microcontrollers and motor controllers without additional components.
- Wide operating temperature range: Ensures stable performance in harsh industrial environments from -40??C to +85??C.
- Compact and lightweight design: Facilitates easy installation in space-constrained applications without compromising performance.
- Low power consumption: Typical current draw of 20 mA supports energy-efficient system designs.
- Compatibility with standard shaft sizes: Supports a 6 mm shaft diameter, aligning with common industrial motor shafts.
HEDS-9721#L51 Advantages vs Typical Alternatives
This encoder module delivers superior accuracy and integration compared to typical alternatives by combining high-resolution incremental outputs with push-pull signal compatibility. Its low power consumption and broad temperature range enhance system reliability and energy efficiency. The compact form factor and direct interfacing capability reduce design complexity and cost, making it an advantageous choice for precise rotary sensing in demanding industrial applications.
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Typical Applications
- Industrial motor feedback control systems requiring precise rotational position and speed measurement to optimize performance and efficiency.
- Robotics and automated machinery, where accurate encoder signals are critical for motion control and repeatability.
- Elevator and conveyor systems utilizing incremental encoders for position monitoring and speed regulation.
- Medical instrumentation equipment demanding reliable, high-resolution rotary position sensing for precise device operation.
HEDS-9721#L51 Brand Info
The HEDS-9721#L51 is part of a well-established series of optical incremental encoders renowned for their high precision and reliability in industrial automation. This product exemplifies the brand??s commitment to delivering robust sensor solutions that integrate seamlessly with motor control and positioning systems. Backed by comprehensive technical documentation and industry-standard compliance, it supports engineers and sourcing specialists in achieving optimal system performance with minimal integration effort.
FAQ
What type of output signals does the HEDS-9721#L51 provide?
The module produces incremental quadrature output signals, including channels A, B, and an index (Z) channel. These signals enable accurate direction detection and position referencing for rotary applications.
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What is the typical operating voltage for this encoder?
The device operates reliably at a supply voltage of 5 volts, with a tolerance of ??5%. This standard voltage level ensures compatibility with most industrial control systems.
Can this encoder module operate in harsh environmental conditions?
Yes, it supports an operating temperature range from -40??C to +85??C, making it suitable for use in demanding industrial environments with wide temperature fluctuations.
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What is the resolution of this encoder and how does it impact system performance?
The encoder provides 360 lines per revolution, which after quadrature decoding results in 1,440 pulses per revolution. This high resolution allows for precise angular positioning and smooth speed control in motion applications.
How does the HEDS-9721#L51 interface with motor control systems?
Its push-pull output configuration allows direct connection to microcontrollers and motor drives without additional buffering components, simplifying system design and improving signal integrity.
