HS35R1024810D Danaher
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The Danaher HS35R1024810D is part of the Dynapar Encoders series and features a resolution of 1024 PPR with a 5/8 inch bore size. It has a maximum shaft speed of 3600 RPM and is rated for NEMA4/IP66 enclosure protection. This encoder supports shaft loading of up to 40 lbs radial and 30 lbs axial, and has a typical weight of 16 ounces.
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Product Description:
Danaher builds the HS35R1024810D as an incremental hollow-shaft encoder in the Dynapar Encoders series. The unit slips over a machine or motor shaft and converts rotational movement into digital pulse trains that a drive or PLC can use for speed regulation and position verification in automated equipment. Its hollow-shaft arrangement supports direct installation around the rotating shaft, avoiding the need for a separate shaft coupling between the encoder and the monitored equipment.
The device produces 1024 PPR, providing a dense pulse sequence during each full revolution for fine velocity control and accurate position tracking. A high-speed sensing circuit supports data transmission up to 100 kHz, allowing precise feedback during rapid motion. The shaft can operate at speeds up to 3600 rpm without exceeding the encoder’s operating limit. The hollow bore measures 5/8 in, and its tolerance ranges from +0.0003 to +0.0005 in, allowing the encoder to slide onto a compatible shaft without excessive play. The enclosure is rated NEMA 4/IP66, sealing the internal optical components against dust and powerful water jets in industrial installations. The moment of inertia is 7.9 × 10⁻⁴ oz-in-s², which helps the encoder respond quickly during frequent acceleration and deceleration cycles.
A bolt circle diameter of 5.88 in accommodates common flange adapters and helps stabilize the housing against vibration. The radial load limit is 40 lb, while the axial load limit is 30 lb, allowing the internal bearings to tolerate belt tension and thrust from connected equipment. The encoder body weighs 16 oz, making it suitable for direct mounting on relatively small motors without adding substantial mass. Running torque does not exceed 4.5 oz-in, which limits the parasitic load placed on the drive system during normal rotation. The initial breakaway torque is 5.0 oz-in, indicating the peak rotational force needed to start the code wheel moving. These load and torque limits help protect the bearings and preserve consistent pulse generation during continuous industrial operation.
