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HEIDENHAIN EQN 425 Absolute Multiturn Rotary Encoder
Key specifications
- Permissible axial motion of measured shaft: ±1 mm
- Blind hollow shaft or hollow through shaft, D = 8 mm or 12 mm
- System accuracy ±60 arc seconds (512 lines) or ±20 arc seconds (2 048 lines)
- Max. operating temperature: 100 °C
- Absolute rotary encoder with integral bearing and mounted stator coupling
- Multiturn (4096 revolutions)
- Interface: EnDat 2.2/01
- 13 bits positions/rev (8 192 positions per revolution)
Catalog specifications
From the HEIDENHAIN Rotary Encoders catalog, October 2009. Values are catalog values; confirm your unit's configuration from its ID label.
- EQN 425: absolute multiturn, EnDat 2.2 (13 bit, 8 192 positions x 4 096 revolutions) or SSI (Gray code), 1 VPP incremental with 512 or 2 048 lines (SSI: 512 lines). Accuracy ±60 arc seconds (512 lines) or ±20 arc seconds (2 048 lines). EnDat supply 3.6 to 14 V, up to 140 mA; SSI supply 5 V ±5% or 10 to 30 V, up to 130 mA or 55 mA.
- Blind hollow shaft or hollow through shaft D = 8 or 12 mm, mounted stator coupling, IP 67 at housing and IP 64 at shaft inlet, approx. 0.3 kg, –40 °C to 100 °C.
Documents
- HEIDENHAIN ECN 413 / 425, EQN 425 / 437 spec sheet, 2009 catalog (PDF)
- HEIDENHAIN ECN / EQN / ERN 400 universal stator coupling spec sheet, 2009 catalog (PDF)
- HEIDENHAIN Rotary Encoders catalog, October 2009 (PDF)
Pricing and lead times on request. Use Request a Quote and include the exact HEIDENHAIN ID on your nameplate, interface, and shaft configuration.