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

GM400.Z65 Wind Turbine Encoder Custom Replacement Solution-LinkChina
GM400.Z65 Wind Turbine Encoder Custom Replacement Solution-LinkChina

Technical Data

Electrical Ratings

ParameterValues
Voltage supply10…30 VDC5 VDC ±10 %
Reverse polarity protectionYes (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
InterfaceSSIIncremental A 90° B (optional)
FunctionMultiturn
Steps per revolution≤16384 / 14 bit
Number of revolutions≤65536 / 16 bit
Absolute accuracy±0.025°
Sensing methodOptical
CodeGray or binary
Code sequenceCW/CCW coded by connection
InputsSSI clock; Control signals UP/DOWN inv. and zero; SSI data outputs RS422
Output stagesDiagnostic: 1024, 2048 pulses + invertedIncremental output: 512, 1024, 2048 push-pull
Interference immunityEN 61000-6-2
Emitted interferenceEN 61000-6-4
Diagnostic functionSelf-diagnosis; Multiturn sensing
ApprovalUL approval / E63076

Mechanical Design

ParameterValues
Size (flange)∅58 mm
Optional
Stainless steel design
Corrosion protection for offshore applications
Parameter CategoryValues
Shaft typeα10 design solid shaft
FlangeClamping flange
Protection EN 60529IP 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 inertia20 g·cm²
Admitted shaft load≤20 N axial≤40 N radial
MaterialHousing: aluminiumFlange: aluminium
Operating temperature-25…+85 °C-40…+85 °C (optional)
Relative humidity95 % non-condensing
ResistanceEN 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
ConnectionConnector M23, 12-pinConnector M12, 8-pinCable 1 m
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