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An absolute encoder that relies solely on the interlocked gear position to verify the current position is known as a battery-less absolute encoder. On traditional absolute encoders, a battery was used to store the current position. A battery is no longer required to maintain data in memory thanks to the development of battery-free models.
Absolute encoders are feedback devices that emit a digital word or bit in proportion to motion to offer speed and position information. Absolute encoders produce distinct words or bits for each position as opposed to incremental encoders, which produce a continuous stream of omnipresent pulses.
The Global Battery-less Absolute Encoder market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Creation of a multi-rotation absolute encoder without batteries. High productivity equipment now frequently has to have a system that keeps track of the user’s location even when the primary power source is shut off.
Motors are frequently employed in such equipment (encoders with a battery backup system that uses batteries to maintain location information over numerous revolutions). This system is a part of several Oriental Motor products, including the servo motor package and closed loop motor package.
However, the battery’s capacity has a significant impact on how long positional data is retained once the primary power source is cut off. On a motor with an encoder, a battery only lasts for a maximum of two weeks even when completely charged. Under usual operation, it is uncommon to leave the main power supply off until the battery is totally depleted.
Users typically do not need to charge the battery regularly because of this. When a product is shipped across the world, over long distances, or if it is not utilised for an extended length of time, the home position needs to be revised. Additionally, transportation rules for batteries have tightened considerably, making it challenging to carry devices with batteries attached.
These issues with the battery backup mechanism have raised demand for multi-rotation absolute encoders. The mechanical multi-rotation absolute sensor, which is built within the gear mechanism, was therefore developed. However, historically, the design of a mechanical sensor was extremely intricate. Both the price and the size were high.
These factors make battery backup systems the common sensor, even today. Oriental Motor consequently began creating the mechanism, concentrating on the idea of a small body and using high precision resin parts.
Oriental Motor has successfully created a compact, cost-effective multi-rotation absolute sensor by using the magnetic sensor, which has advanced quickly in recent years. It is featured on the AZ and is known as the “Mechanical Absolute Sensor.”
