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AEAT-84AD-LBSF0 High Temp Multi-turn Absolute Encoder Module, 14-bit
The AEAT-84AD provides all functions as an optoelectronic mechanical unit in order to implement, with single turn absolute encoder, an absolute multi-turn encoder with a combined capacity of up to 30 bits at extended temperature.
The unit consists of an IR-LED circuit board, a phototransistor (PT) circuit board, and 6 or 7 gear wheels arranged in between the PCBs.
Features
16384 (14bits) revolution count versions
Optical, absolute multi-turn assembly with max. Diameter of 55 mm and typical height 12.2 mm.
Operating temperatures of -40C to 125C
Mechanical coupling by means of 14 teeth gear pinion with module of 0.3
Operating speeds up to 12,000 rpm
A 2x4-pole pin strip for power supply and signal
Applications
Robotics
Machine tools
Semiconductor Machineries
Automotive (Body plant robot cells for assembly & welding)
Benefits
No battery or capacitor required for number of revolution counting during power failure
Immediate position detection on power up
Absolute Encoders
Avago absolute encoders are position feedback devices that report absolute positional information. An absolute encoder generates a unique code for each position. When powered up, these absolute encoders do not require a home cycle even if the shaft was rotated while the power was switched-off. Avago absolute encoders in this category use optical technology or Hall effect sensing technology to sense positional information.
Absolute encoders come in two categories, single-turn encoders and multi-turn encoders. These absolute encoders provide a variety of resolutions (i.e. 12, 13, 14, 16 bit). The sizes of these absolute encoders are compact to enable easier integration into space constraint applications including medical, security, brushless DC motors, and industrial applications. Avago has direct replacements for US Digital kit encoders and Renco encoders
Multi-turn encoders permit multiple turn counts. Multiple turns are achieved by placing the multiple gear-head module to the primary high resolution disk. Avago’s multi turn encoders are recognized for their reliability and consistency in providing highly accurate absolute information for multiple revolutions.
Multi-turn encoders from Avago have a true mechanical system which eliminates the need of a battery back-up in the event of power failures or sudden stoppage. The multi turn encoders come in a choice of 12-bits and 14-bits for applications in a wide range of industries.
Multi-turn encoders are commonly used in industries requiring linear positioning, such as the X&Y Positioning Tables found in medical institutions and hospitals.