Heidenhain – Internal Rotary Encoders – ERN, HR, ERO,

ERN 1300 series

• Incremental rotary encoders with integral bearing
• Stator coupling for axial mounting
• Tapered shaft
• Very high positioning accuracy
• With block and sinusoidal commutation signals
• Housing diameter ≈ 56 mm

ERN 1023

• Incremental rotary encoder with integral bearing
• Stator coupling for plane surface
• Blind hollow shaft
• Block commutation signals
• Housing diameter ≈ 35 mm

ERN 1123

• Incremental rotary encoders with integral bearing
• Stator coupling for plane surface
• Hollow through shaft
• High positioning accuracy
• Block commutation signals
• Housing diameter ≈ 35 mm

HR 1120

• Electronic handwheel with integral bearing
• Version for integration
• Mechanical detent
• Housing diameter: 60 mm

ERO 1400 series

• Incremental rotary encoders without integral bearing
• Low-profile design
• Blind hollow shaft and hollow through shaft
• High positioning accuracy
• Housing diameter ≈ 35 mm

ERO 1200 series

• Incremental rotary encoders without integral bearing
• Comprised of scanning unit and rotor unit
• Low-profile design
• Hollow through shaft
• High positioning accuracy
• Housing diameter ≈ 56 mm