Skip to product information
HEIDENHAIN ECN 125 Absolute Singleturn Rotary Encoder
Key specifications
- High axial tolerance of up to ±0.5 mm
- Blind hollow shaft in Ø 6 mm
- Positioning accuracy of down to ±60"
- 8 388 608 positions/rev.
- Multiturn functionality for up to 4096 revolutions
- Max. operating temperature: 100 °C
- Rotary encoder with integral bearing and mounted stator coupling
- Hollow through shaft up to Ø 50 mm
- Housing diameter approx. 87 mm
- Interface: EnDat 2.2/22
- 25 bits positions/rev (33 554 432 positions/rev)
- Positioning accuracy down to ±20"
Catalog specifications
From the HEIDENHAIN Rotary Encoders catalog, October 2009. Values are catalog values; confirm your unit's configuration from its ID label.
- ECN 125: absolute singleturn, EnDat 2.2, 25 bit (33 554 432 positions per revolution), accuracy ±20", 3.6 to 5.25 V, up to 200 mA, no incremental signals.
- Shared options in the series (not tied to one unit): hollow through shaft D = 20, 25, 38 or 50 mm; line counts 1 000, 1 024, 2 048, 2 500, 3 600, 5 000. Mounted stator coupling, IP 64, max. speed 4 000 rpm (D over 30 mm) or 6 000 rpm (D 30 mm or less), operating temperature –40 °C to 100 °C.
Documents
- HEIDENHAIN ERN 100 / ECN 113 / ECN 125 spec sheet, 2009 catalog (PDF)
- HEIDENHAIN Rotary Encoders catalog, October 2009 (PDF)
Pricing and lead times on request. Use Request a Quote and include measuring length, interface, and accuracy grade.