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Home › Absolute Encoder › GM400.020A102 and GM400.A20A102 SSI Encoder 1:1 Replacement

GM400.020A102 and GM400.A20A102 SSI Encoder 1:1 Replacement

Mr.Li
2 monthsago

For the GM400.020A102 and GM400.A20A102 encoder variants, we offer a fully compatible SSI encoder 1:1 replacement engineered for high-demand industrial environments. The replacement solution maintains identical interface characteristics and functional logic, ensuring a seamless transition during maintenance or retrofit projects.

Using an SSI interface, the encoder provides precise absolute multiturn position information with reliable data transmission across a wide range of operating speeds. The design supports stable sampling behavior and consistent signal timing, making it suitable for motion control systems that require accurate real-time feedback. Compatibility with standard code configurations ensures smooth communication with existing control platforms.

GM400.020A102 and GM400.A20A102 SSI Encoder 1:1 Replacement-EncoderWorks
GM400.020A102 and GM400.A20A102 SSI Encoder 1:1 Replacement-EncoderWorks

Mechanically, the encoder aligns with established flange and shaft standards, allowing installation without mechanical redesign. The robust construction is optimized for industrial use, offering resistance to vibration, shock, and electrical interference. Integrated self-diagnostic functions continuously monitor internal processes, signal limits, and operating conditions, supporting predictive maintenance strategies and enhancing overall system availability.

This replacement encoder is an ideal choice for automation systems, drive-controlled machinery, and industrial positioning applications where precision, reliability, and long service life are critical.

Technical data

ParameterValue
Supply voltage10...30 VDC with reverse voltage protection
Current consumptionMax. 50 mA (w/o load) for 24 VDC
SSI pulse frequency62.5 kHz up to 1.5 MHz
Mono-flop time20 μs
Pulse spaceMin. 25 μs
Code switching speed for sampling800 kHz
Deviation of sampling measuring step0.025 degree at 400 kHz
0.05 degree at 800 kHz
Electric connectorThe electric connector must not be plugged on or removed whilst under voltage.
ParameterValue
RPM valuemechanical: Max. 10,000 RPM
electrical: Max. 6,000 RPM
Anlauf-Drehmomentw/o seal (IP54): < 0.010 Nm
with seal (IP65): < 0.015 Nm
Shaft loadingaxial: < 20 N
radial: < 40 N
Inertia torque2 x 10⁻⁶ kgm²
MaterialHousing: Steel
Flange: Aluminium
WeightApproximately 400 g
ParameterValue
Ambient temperature-20...+60 °C
Storage temperature-20...+70 °C
Protection toShaft w/o seal: IP 54
Shaft with seal: IP 65
Relative humidityMax. 95 %, non-condensing
Endurance - VibrationIEC 68 Section 2 - 6 (≤100 m/s² / 16-2000 Hz)
Endurance - ShockIEC 68 Section 2 - 27 (≤2000 m/s² / 6 ms)
Interference immunityEN 50082-2
EN 61000-4 - 2 to 4 Severity grade 3
Emmited interferenceEN 50081-2
Industrial Encoder Technical Consultant

Contact

WeChat: +86 150 5045 0799 (WhatsApp)

Email: sividi365@gmail.com

Industrial Encoder Technical Consultant

Contact

WeChat: +86 150 5045 0799 (WhatsApp)

Email: sividi365@gmail.com

GM400.012A102 and GM400.A12A102 SSI Encoder 1:1 Replacement

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Mr.Li

WeChat:+86 150 5045 0799 (WhatsApp)Email:sividi365@gmail.com
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Mr.Li

WeChat:+86 150 5045 0799 (WhatsApp)Email:sividi365@gmail.com