HRE Motion Feedback | HollowEncoder.com ENCODER ENGINEERING SELECTION CHECKLIST Concept selection aid, not an approved datasheet or installation drawing. 1. Full original model and machine/controller model. 2. Exact shaft diameter, units, tolerance, runout and usable length. 3. Through, blind, bearingless ring, large-bore or resolver structure. 4. Housing/ring OD, axial envelope, clamp and stator tether geometry. 5. Supply voltage, output circuit, connector and complete pinout. 6. PPR or singleturn bits; separate multiturn range and power-loss behavior. 7. Protocol framing/profile, speed, input frequency and controller settings. 8. Temperature, ingress, vibration, EMC and any safety qualifications. 9. Sleeve wall thickness, fit, clamp load and full isolation path. 10. Quantity, destination, schedule and STEP drawing request. Send the complete requirement to inquiry@hollowencoder.com. Release specifications and replacement compatibility require written confirmation.