Allen-Bradley 842HR-MJDN215FWY2 Sine Cosine Encoder

The Allen-Bradley 842HR-MJDN215FWY2 is a Sine Cosine/Serial Encoder designed for high-precision position feedback in servo and motion-control applications. It provides multi-turn feedback across 4096 turns, features a square flange and a 3/8 inch solid shaft with a flat for secure coupling, and operates on a 7–12 V DC supply with an MS 10-pin connector. The device outputs sine and cosine signals along with a serial interface to support interpolation and reliable integration with Rockwell Automation motion controllers. As part of the 842HR family, this encoder combines sine/cosine feedback with a serial data path, delivering both incremental and extended-position information for robust closed-loop performance. Its construction and output options are aligned with industrial automation needs, making it suitable for servo motor feedback and other motion-control setups where precise angular sensing is critical.