Examples: output@361 degrees = output@1 degree, output@720 degrees = output@360 degrees.
Example: The output signal/value after 3.5 turns (starting from zero) will be 7 times higher than the output after the first half turn.
Single-turn Measurement Technology
Multi-turn Measurement Technology
This problem is solved by POSITAL by means of an energy harvesting system based on the Wiegand Effect which requires no batteries or gears. Using batteries has inherent disadvantages; including a limited lifespan, considerable weight, and the fact that they contain harmful substances. Gear units also bring weaknesses of their own being large, complex, costly and vulnerable to shock and vibration.
Regardless of the rotational speed, even at near zero, the energy harvesting system generates short, powerful voltage pulses which supply sufficient power to the counting electronics in absolute encoders. Thus, the revolution counter can run independently of any external power supply. This principle, which has proven itself since 2005, enables maintenance-free reliable measurement of absolute position even in demanding environments over many years.
Signal Processing is the Key to High Performance
POSITAL single-turn and multi-turn encoders are available with:
- Different Communication Interfaces
- Various Flange Designs: Clamp, Syncro, Square
- Multiple Flange (36, 42, 58mm) and Shaft Sizes (6, 10, … mm)
- Several Connection Options: Cable Exit, Connection Cap, Connector