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Home › Selection & Replacement › GM401.0202102 and GM401.A202102 SSI Encoder 1:1 Replacement

GM401.0202102 and GM401.A202102 SSI Encoder 1:1 Replacement

EncoderWorks Team
9 monthsago

For the GM401.0202102 and GM401.A202102 variants, we offer a dedicated SSI encoder 1:1 replacement developed for demanding industrial environments. The replacement maintains identical functional behavior and interface characteristics, ensuring seamless integration during maintenance, retrofit, or lifecycle replacement projects.

Using an SSI interface, the encoder provides accurate absolute multiturn position information with stable sampling performance across the full operating speed range. High signal integrity and consistent timing characteristics support reliable real-time feedback, making the encoder suitable for motion control applications that require precise synchronization between the encoder and control system.

Mechanically, the encoder is designed to match common industrial mounting conventions, allowing installation without mechanical redesign. The robust construction supports operation under vibration, shock, and electrical interference typical of industrial machinery. Integrated self-diagnostic functions continuously monitor internal conditions, signal integrity, and operating limits, helping reduce unplanned downtime and improve overall system availability.

GM401.0202102 and GM401.A202102 SSI Encoder 1:1 Replacement-EncoderWorks
GM401.0202102 and GM401.A202102 SSI Encoder 1:1 Replacement-EncoderWorks

This replacement solution is ideal for automated production lines, servo-driven equipment, and industrial machinery that depend on accurate absolute position feedback and dependable long-term performance.

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

GM401.0122102 and GM401.A122102 SSI Encoder 1:1 Replacement

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