Product Description:

The HS35R1024G341 is a hollow-shaft incremental encoder produced by Danaher within the Dynapar Encoders series. Intended for direct coupling to rotating equipment, it converts mechanical motion into electrical pulses so that drives and PLCs can calculate shaft speed and angular displacement. By delivering precise feedback without intervening gearing, the encoder helps maintain velocity regulation and positional accuracy in automated conveyors, unwind stands, and similar motion-control tasks. Its hollow construction simplifies installation and eliminates couplings that can introduce backlash.

A resolution of 1024 PPR means the disc provides 1,024 distinct pulses for every mechanical revolution, allowing control algorithms to resolve movement down to approximately 0.35 degrees. The central hollow opening accepts a shaft diameter of 1 in, and the machined bore is held to a tolerance of +0.0003/+0.0005 inch so the coupling ring seats precisely without eccentricity. High-speed electronics support a frequency response of at least 100 kHz, allowing clean pulse generation even when the rotor approaches the mechanical speed limit of 3600 rpm. Power consumption remains low because the line drivers draw no more than 100 mA, minimizing heat generation in densely packed cabinets. A moment of inertia of 25.6 × 10⁻⁴ oz-in-s² and running torque limited to 4.5 oz-in reduce loading on small motors.

The cast housing has a NEMA 4 / IP66 enclosure rating, sealing the optics against dust ingress and high-pressure washdown in food-processing, textile, and outdoor installations. The mechanical interface accommodates up to 30 lb of axial force and 40 lb of radial force on the shaft coupling, helping prevent premature bearing wear when belt tension or thrust loads are present. Startup friction is limited to 5.0 oz-in, helping machinery accelerate smoothly, while the encoder weighs 16 oz to keep the overhung load on the drive shaft low.