Electrical Specifications

• Power Supply: 5VDC ±5%

• Output: Absolute position + incremental A/B/Z; RS‑422 differential

• Connector: M12 10‑pin male

• Max Signal Frequency: 500 kHz

• Dielectric Strength: 1000VAC 1 minute (terminal to housing)

Mechanical & Environmental

• Shaft: Special taper for αi motor coupling

• Mounting: Flange direct mount for FANUC αi servo motors

• Operating Temperature: −20°C ~ +70°C

• Storage Temperature: −20°C ~ +80°C

• Humidity: ≤85% RH, non‑condensing

• Vibration Resistance: 10G (10–2000 Hz)

• Dimensions: φ58 mm × 85 mm

Compatibility

• Compatible Motors: FANUC αi series servo motors (aiA1000 feedback)

• CNC Systems: FANUC R‑J3, R‑J3iB, R‑30iA, R‑30iB

• Matching Amplifiers: αi servo drives

Features

• High resolution: 1,000,000 PPR for ultra‑precision positioning

• Absolute encoder: No homing needed at power‑on

• IP67: Withstands oil mist, dust, and water in harsh shop floors

• Vibration resistant: 10G rating for heavy‑duty machine tools

• Contactless optical design: Maintenance‑free, long service life

Applications

• CNC machining centers, lathes, and grinders

• Industrial robot joints (high‑precision axes)

• High‑speed, high‑accuracy automation systems

Related Models

• A860-0326-T103: 3000 PPR absolute encoder (αi series)

• A860-0360-T201: 8192 PPR incremental encoder (βi series)

• A860-2020-T301: Higher‑speed absolute encoder variant