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Avago: High Resolution Housed Encoder Module Kits (AEDM-5XXX Series)
Avago: High Resolution Housed Encoder Module Kits (AEDM-5XXX Series)
 
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Avago: High Resolution 3-channel Housed Encoder Module Kits with Snap-on Cover (AEDM-5XXX Series)

Description

Avago Technologies' AEDM-5xxx series encoders are high resolution and high performance three channel optical incremental encoders. These encoders emphasize on high reliability, high resolution, and easy assembly.

Each encoder contains a LED source with lens, an ASIC with integrated photo detector arrays, LED current regulation, interpolator and output driver circuitry, and a code wheel which rotates between the emitter and detector ASIC. The outputs of the AEDM-5xxx are two square waves in quadrature. In addition, a third channel offers index signal, which is a 90 electrical degree, true index pulse which is generated once for each full rotation of the code wheel. The AEDM-5xxx series utilizes a film code wheel allowing for resolutions up to 5000 CPR.

These bearing-less housed encoders may be quickly and easily mounted to a motor. For larger diameter motors, the AEDM-59xx series feature external mounting ears option.

The quadrature signals and the index pulse are accessed through five 0.025 inch square pins located on 0.1 inch centers.

Standard resolutions between 2000 and 5000 counts per revolution are presently available. Consult local Avago sales representatives for other resolutions.
Features

Features

  • Dual Channel Quadrature Outputs with Index Pulse Output

  • Encoding Resolution up to 5000 CPR

  • Operating Temperature from -40°C to +85°C

  • Quick and Easy Assembly

  • No Signal Adjustment Required

  • Cost Effective Solution

  • Small Size

  • TTL-compatible Outputs

  • Single 5V Supply with ±10% Tolerance

  • External Mounting Ears Option Available for Larger Motors.

Applications

The AEDM-5xxx is suitable for a wide range of commercial & industrial motion control applications including, but not limited to:

  • DC Servo Motors

  • Linear and Rotary Actuators

  • Factory Automation Equipment

  • 3D Printers

  • Robotics

  • Unmanned Aerial Vehicles (UAV) or Drones

Transmissive Encoders

The Transmissive Encoder is an emitter/detector module. Coupled with a code wheel, this transmissive encoder translates rotary motion of a shaft into digital output. The transmissive encoder contains a single Light Emitting Diode (LED) as its light source. The light is collimated into a parallel beam by means of a single polycarbonate lens located directly over the LED. Opposite the emitter is the integrated detector circuit.

This IC consists of multiple sets of photodetectors and the signal processing circuitry necessary to produce the digital waveforms. The code wheel rotates between the emitter and detector of the transmissive encoder, causing the light beam to be interrupted by the pattern of spaces and bars on the code wheel. The photodiodes which detects these interruptions are arranged in a pattern that corresponds to the radius and design of the code wheel. These detectors are also spaced such that a light period on one pair of detectors corresponds to a dark period on the adjacent pair of detectors. Avago offers an extensive range of transmissive encoders to meet the different needs of a wide variety of applications.

Model No.: AEDM-58xx, AEDM-59xx


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