GM400.Z65 Wind Turbine Encoder Custom Replacement Solution
For the GM400.Z65 encoder, we offer a dedicated customized replacement solution tailored to the requirements of the wind energy industry. Our approach is based on a 1:1 non-standard customization principle, guaranteeing that the encoder fully matches the original design in both mechanical and electrical aspects. The production cycle is streamlined to just 10–15 working days, which dramatically reduces waiting time compared to the long delivery schedules often associated with imported components. This allows wind turbine operators and maintenance teams to minimize downtime, optimize system reliability, and avoid significant operational losses. By selecting our replacement solution, customers receive a practical and dependable option that ensures continuity of operation and reduces overall supply chain risks.
The GM400.Z65 replacement encoder follows the proven specifications of the Baumer GM400 series, delivering accurate and robust position feedback for wind turbine applications. It is a multiturn encoder with SSI communication, based on an optical sensing method that provides high measurement precision and excellent long-term reliability. The encoder achieves a resolution of up to 14 bits per revolution for singleturn measurement and 16 bits for multiturn counting. With its clamping flange design, installation is straightforward and secure. In addition, the encoder allows for electronic zero-point adjustment, enabling simplified setup and calibration. It includes a counting direction input and may also be configured with incremental outputs, providing flexible signal integration options. Designed to be highly resistant to magnetic interference, the encoder performs reliably even in harsh environments where strong electromagnetic fields are present. This makes it an ideal solution for wind turbine nacelles, generator systems, and other heavy-duty industrial installations, ensuring long service life and stable output.
Replacement model real product photo


Dane techniczne
Electrical Ratings
Parametr | Values |
---|---|
Voltage supply | 10…30 VDC5 VDC ±10 % |
Reverse polarity protection | Yes (10…30 VDC) / No (5 VDC) |
Consumption w/o load | ≤50 mA (24 VDC)≤80 mA (5 VDC) |
Initializing time typ. | 20 ms after power on |
Interface | SSIIncremental A 90° B (optional) |
Function | Multiturn |
Steps per revolution | ≤16384 / 14 bit |
Number of revolutions | ≤65536 / 16 bit |
Absolute accuracy | ±0.025° |
Sensing method | Optical |
Code | Gray or binary |
Code sequence | CW/CCW coded by connection |
Inputs | SSI clock; Control signals UP/DOWN inv. and zero; SSI data outputs RS422 |
Output stages | Diagnostic: 1024, 2048 pulses + invertedIncremental output: 512, 1024, 2048 push-pull |
Interference immunity | EN 61000-6-2 |
Emitted interference | EN 61000-6-4 |
Diagnostic function | Self-diagnosis; Multiturn sensing |
Approval | UL approval / E63076 |
Mechanical Design
Parametr | Values |
---|---|
Size (flange) | ∅58 mm |
Optional |
---|
Stainless steel design |
Corrosion protection for offshore applications |
Parameter Category | Values |
---|---|
Shaft type | α10 design solid shaft |
Flange | Clamping flange |
Protection EN 60529 | IP 54 (without shaft seal)IP 65 (with shaft seal) |
Operating speed | ≤10000 rpm (mechanical)≤6000 rpm (electric) |
Angular acceleration | ≤25000 rad/s² (UB = 0 VDC)≤25000 rad/s² (UB = 10…30 VDC, 5 VDC) |
Starting torque | ≤0.015 Nm (+25 °C, IP 54)≤0.03 Nm (+25 °C, IP 65) |
Rotor moment of inertia | 20 g·cm² |
Admitted shaft load | ≤20 N axial≤40 N radial |
Material | Housing: aluminiumFlange: aluminium |
Operating temperature | -25…+85 °C-40…+85 °C (optional) |
Relative humidity | 95 % non-condensing |
Resistance | EN 60068-2-6Vibration ≤0.75 mm - 10 - 58 Hz, 10 g - 58 - 2000 HzEN 60068-2-27Shock 200 g, 6 ms |
Weight approx. | 400 g |
Connection | Connector M23, 12-pinConnector M12, 8-pinCable 1 m |