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Absolute encoders are feedback devices that output a digital word or bit in relation to motion to provide speed and position information. Absolute encoders, in contrast to incremental encoders, which produce a continuous stream of ubiquitous pulses, produce distinct words or bits for each position.
The sensing technology of absolute encoders—optical or magnetic—or their output over multiple turns of the motor shaft—single-turn or multi-turn—can be used to classify them.A code disc with markings and an LED that shines light through the code disc are used in optical absolute encoders.
Position shifts can be detected as the disc rotates with the motor shaft. The LED is substituted for a magnetic sensing array and the optical markers for magnetic absolute encoders are replaced by magnetic poles.
Although all absolute rotary encoders provide feedback based on the shaft’s rotation (the encoder’s position within full rotation degrees or a single turn), different applications need to know how many times the encoder has turned, either completely or multiple times. For each additional turn, absolute encoders with multiple turns provide additional feedback.
The Global absolute Industrial encoders market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
AI25 EtherNet/IP – The AI25 EtherNet/IP absolute encoder is rugged and reliable with an available durable stainless-steel housing, wide input voltage and temperature ranges, industry-leading 400G shock and 30G vibration ratings, and high shaft speeds.
The single-turn and multi-turn models are available with up to 22 bit single-turn and 12 bit multi-turn resolution and high accuracy within a full suite of shafted and hub shaft variants.
Dynapar, a leading supplier of encoders and resolvers for motion feedback control, announces the launch of its AI25 EtherNet/IP absolute encoder product line. Dynapar EtherNet/IP encoders offer rugged and reliable performance combined with industry leading performance, high resolution and repeatability and the latest network features all at a competitive price point.
The AI25 EtherNet/IP encoder supports a wide range of configuration options, making it the solution for position and speed feedback applications in a variety of industries including packaging, material handling, printing and paper machinery, metal cutting and forming, wood processing and general factory automation. Optional shaft seals and IP67 ratings are available for increased protection.
