High Temp Multiturn Absolute Encoder Module, 14-bit

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The AEAT-84AD provides all functions as an optoelectronicmechanical 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.


  • 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


  • Robotics
  • Machine tools
  • Semiconductor Machineries
  • Automotive (Body plant robot cells for assembly & welding)

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
RoHS6 Compliant Y
Distrib. Inventory Yes
Line Driver N
Motion Type Rotary
Optical Method Transmissive
Output Code Gray
Output Type Multiplexed
Through Hole N
Resolution 14 Bits
Application Note2 i
Product Change Notice (PCN)4 i