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Measurement - Rotary Encoders-absolute multi-turn
Measurement - Rotary Encoders - Absolute Multi-Turn
Absolute multi-turn rotary encoders are precision electromechanical devices that provide a unique digital position value for each shaft angle over multiple revolutions, without the need for a reference run after power loss. These encoders typically feature a resolution of up to 16 bits per revol...
Measurement - Rotary Encoders - Absolute Multi-Turn
Absolute multi-turn rotary encoders are precision electromechanical devices that provide a unique digital position value for each shaft angle over multiple revolutions, without the need for a reference run after power loss. These encoders typically feature a resolution of up to 16 bits per revolution (65536 steps) and a multi-turn range of up to 12 bits (4096 revolutions), using technologies like magnetic or optical sensing with battery-free or gear-based multi-turn counting. They operate on supply voltages of 10-30 VDC, with interfaces such as SSI, BiSS, CANopen, PROFIBUS, or EtherCAT, and offer protection ratings up to IP67 for harsh industrial environments. The housing is usually a robust 58 mm or 90 mm flange, with solid or hollow shaft options.
These encoders are essential in applications requiring absolute position feedback over long travel distances, such as in CNC machine tools, robotic arms, packaging machinery, and automated assembly lines. They are also critical in wind turbines for pitch control, in elevators for floor positioning, and in material handling systems like cranes and hoists. Their ability to retain position data after power cycles makes them ideal for safety-critical systems and processes where homing cycles are not feasible.
Key subcategories include SSI absolute multi-turn encoders, CANopen absolute multi-turn encoders, and EtherCAT absolute multi-turn encoders. Main article codes often follow a pattern like EAMT-58-16-12-SSI-10-30V, where '58' indicates the housing diameter, '16' the bits per revolution, '12' the multi-turn bits, and 'SSI' the interface type. Other common codes include EAMT-90-13-14-BISS and EAMT-58-12-12-CAN.
Partnering with Electric Automation Network ensures access to genuine, high-quality absolute multi-turn encoders with up to 65% discount off list prices. Our engineering team provides personalized technical support for interface selection, resolution matching, and mechanical integration. We offer express worldwide shipping, real-time pricing, and detailed technical documentation for each article, ensuring your automation projects stay on schedule and within budget.
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