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Home › Selection & Replacement › GM400.0102102 and GM400.A102102 SSI Encoder 1:1 Replacement

GM400.0102102 and GM400.A102102 SSI Encoder 1:1 Replacement

EncoderWorks Team
9 monthsago

For the GM400.0102102 and GM400.A102102 variants, we offer a fully compatible SSI encoder 1:1 replacement designed to meet demanding industrial motion control requirements. The replacement follows the same interface logic and operational characteristics as the original units, ensuring a smooth transition during maintenance or retrofit projects.

Using a Synchronous Serial Interface, the encoder provides absolute multiturn position information with high resolution and repeatability. Consistent signal timing and reliable data integrity support accurate real-time feedback in applications that require precise synchronization between encoder and controller. The design is optimized for stable operation across typical industrial operating speeds.

GM400.0102102 and GM400.A102102 SSI Encoder 1:1 Replacement-EncoderWorks
GM400.0102102 and GM400.A102102 SSI Encoder 1:1 Replacement-EncoderWorks

From a mechanical perspective, the encoder aligns with common mounting conventions, enabling installation without mechanical redesign. Its robust construction supports use in environments exposed to vibration, shock, and electrical interference. Integrated self-diagnostic functions continuously monitor internal status and signal quality, helping operators reduce unplanned downtime and improve system availability.

This replacement solution is ideal for industrial automation systems, positioning equipment, and machinery that depend on accurate absolute position feedback and dependable long-term operation.

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
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EncoderWorks Technical Support

Contact Support

WeChat: +86 150 5045 0799 (WhatsApp)

Email: encoderworks@outlook.com

GM400.0201102 and GM400.A201102 SSI Encoder 1:1 Replacement

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WeChat:+86 150 5045 0799 ( WhatsApp) Email:encoderworks@outlook.com