GM400.020A102 SSI Absolute Encoder Custom Replacement Solution

We provide a professional 1:1 customized replacement solution for the GM400.020A102 encoder, ensuring complete compatibility with the original Baumer design. By reproducing all critical dimensions, electrical interfaces, and mounting provisions, our solution allows for direct replacement without any modifications to the existing system. With a rapid production cycle of 10–15 working days, this solution enables operators to secure quick delivery, reduce downtime, and maintain continuous operation in wind turbine and industrial automation applications. The custom replacement provides a reliable and cost-effective alternative to extended lead times often associated with OEM components, helping customers sustain efficient and uninterrupted workflows.

The GM400.020A102 replacement encoder is a multiturn SSI absolute encoder utilizing optical sensing for accurate position measurement. With up to 14-bit resolution per revolution for singleturn operation and 16-bit multiturn capability, it delivers precise and stable feedback for wind turbine pitch and yaw control, as well as industrial motion applications. It is fitted with a clamping flange for secure mounting, includes electronic zero-point adjustment for easy setup, and features a counting direction input for integration flexibility. Additional incremental output signals are available to extend control options. Built with strong magnetic field resistance, the encoder ensures reliable performance in environments with high electromagnetic interference, such as turbine nacelles, heavy machinery, or automated production lines, ensuring consistent operation over the long term.

Replacement model real product photos available.

GM400.020A102 SSI Absolute 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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