AI2500142162E Danaher
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The Danaher AI2500142162E is an absolute optical encoder from the Dynapar Encoders series with a 2.5 inch square flange and an aluminum housing. It features a Profibus-DP interface and provides a 14-bit single-turn resolution, using a glass disc. The unit offers an IP64 enclosure rating, a stainless steel 3/8 inch shaft, and consumes 220 mA of current.
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Product Description:
The AI2500142162E encoder is manufactured by Danaher as part of the Dynapar Encoders series. This device is an absolute optical unit that reports a unique digital word for every shaft position, supplying deterministic feedback to motion controllers in industrial automation. It attaches directly to the driven end of a machine axis and translates mechanical rotation into electronic data. This feedback allows servo drives to maintain position, monitor speed, and detect out-of-tolerance motion without additional reference switches.
The encoder draws 220 mA from the power supply, which helps with control-loop power planning. Position words are delivered over a Profibus-DP fieldbus, allowing direct node addressing on common industrial networks. The sealed body carries an IP64 rating, blocking dust ingress and protecting the internal components against water spray encountered on factory floors. The single-turn resolution is 14 bits, yielding 16,384 distinct codes per revolution. Its mechanical accuracy remains within ±0.01°, so the reported count closely corresponds to the actual angular displacement. An aluminum housing supports the sensing optics, while the binary output format simplifies data processing by compatible controllers. The stainless-steel shaft resists corrosion when the encoder is coupled to equipment used in damp operating areas.
Cycle-to-cycle mechanical deviation is limited to ±0.002°, supporting precise and repeatable homing routines. The solid shaft has a diameter of 3/8 inch and projects 64.8 mm from the rear face, allowing it to fit standard couplings while keeping the enclosure depth low. A 2.5-inch-square flange provides four tapped holes for repeatable mounting on the machine. The code disc is made of glass, which maintains dimensional stability as the operating temperature changes. Cable installation is organized by a bus cover with three strain-relief exits. These separate exits make it easier to route power, network, and diagnostic leads within the installation area without placing excessive stress on the connections.
