AEAT-84AD 14/12 Bit Multi-turn Encoder Module Data Sheet Description Features The AEAT-84AD provides all functions as an optoelec- 16384 (14bits) and 4096 (12bits) revolution count tronic-mechanical unit in order to implement, with single versions turn absolute encoder, an absolute multiturn encoder Optical, absolute multi-turn assembly with max. 55 with a combined capacity of up to 30 bits at extended mm and typical height 12.2 mm. temperature. Operating temperatures of -40 C to +125 C The unit consists of an IR-LED circuit board, a phototrans- Mechanical coupling by means of 14 teeth gear pinion istor (PT) circuit board, and 6 or 7 gear wheels arranged in with module of 0.3 between the PCBs. Operating speeds up to 12,000 rpm Specifi cations A 2 x 4-pole pin strip for power supply and signal The multi-turn unit is available in the following versions: Applications 12-bit solid shaft Major component of Multi-turn housed encoder 14-bit solid shaft Cost eff ective solution for direct integration into OEM systems Linear positioning system Benefi ts No battery or capacitor required for number of revolu- tion counting during power failure Immediate position detection on power upPackage Dimensions Notes: 1. 3rd Angle Projection 2. Dimensions are in millimeters 3. Example of matching connector: MPE GARRY 521 Series, No. BL21-43GGG-008 Figure 1. Package dimensions Block Diagram and Detailed Description In the following descriptions, the I/O pins are enclosed by a box, e.g., MTMUX 2:0 . VCC (+5V) 7x 3 PT s 7x 3 IR s 3 MTMUX 2:0 1 of 8-Decoder 3 x 100K 3 x 4K7 3 3 x 4K7 3 3 MTDAT 2:0 Comparator GND Figure 2. Block Diagram 2