HEDS-5540#A04

Series:	HEDS
Part Status:	Active
Encoder Type:	Optical
Output Type:	Quadrature with Index (Incremental)
Pulses per Revolution:	500
Voltage - Supply:	5V
Actuator Type:	5/32" Open Center
Detent:	No
Built in Switch:	No
Mounting Type:	Chassis Mount, Motors
Orientation:	Vertical
Termination Style:	Terminal Pins
Rotational Life (Cycles Min):	--

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Introduction to Encoders

An encoder is an electrical device used to convert mechanical motion into electronic signals. It uses a direct conversion between rotation and digital position information, where an input shaft provides a mechanical input in the form of an angular displacement or linear displacement which is converted into a digital output in the form of binary numbers. Uses of encoders can be found in a variety of industries including robotics, automotive, medical, and food production.

HEDS-5540#A04 Encoders

The HEDS-5540#A04 encoder is a digital optical absolute encoder designed for a range of motion applications. It uses a three-track incremental coding scheme and is available in both single-turn(1 to 4096 counts) and multi-turn(1 to 16,384 turns) versions.The HEDS-5540#A04 encoder has an operating temperature range of -20°C to +120°C and a shock rating of up to 25G. It is also capable of operating in a wide range of power supplies from 5V to 11V.

Application Field and Working Principle of HEDS-5540#A04 Encoders

HEDS-5540#A04 encoders are used for a wide variety of positioning and motion sensing applications such as industrial automation, robotics, medical systems, automation control and more.The HEDS-5540#A04 encoder works on an incremental principle, using three parallel tracks of optically encoded windows. It has two types of digital outputs, pulse-width differential output and quadrature output. Both functions are available for single-turn and multi-turn operations. The pulse-width differential output combines the rotation pulse and direction pulse into a single signal. The output is generated as long as rotation is detected, providing instantaneous angular direction information. The quadrature output consists of a rotation pulse signal (A phase) and a reference pulse signal (B phase). Together, these two signals provide the absolute position information.The HEDS-5540#A04 encoder also has an internal counter which counts the number of rotation pulses, thus providing the mult-turn information. The internal counter also has an aging mode which extends the operating life by reducing the power consumption and the number of revolutions sensed in each rotation cycle.

Conclusion

The HEDS-5540#A04 encoder is an economical and reliable solution for a variety of motion sensing and positioning applications. Its incremental coding scheme and integrated counter enable it to be used in both single-turn and multi-turn operations. Its versatility, robustness, and high-operating temperature range make it an ideal choice in a variety of applications.

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