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Home › Selection & Replacement › X 700.A101202 and X 700.A121202 SSI Absolute Encoder 1:1 Replacement

X 700.A101202 and X 700.A121202 SSI Absolute Encoder 1:1 Replacement

EncoderWorks Team
7 monthsago

We provide a precision SSI absolute encoder 1:1 replacement solution for the X 700.A101202 and X 700.A121202 models, engineered to match the original devices in electrical interface, signal timing, and mechanical fit. This replacement integrates directly into existing control systems without changes to wiring layouts or controller configuration, ensuring seamless substitution in automation and motion control applications.

This encoder delivers high-resolution absolute position feedback via a Synchronous Serial Interface (SSI), typically supporting resolutions up to 14 bits per revolution. Stable and repeatable Gray or binary code output provides accurate position data immediately after power-on, eliminating the need for homing or referencing. The SSI interface supports high data rates with robust signal integrity, making it suitable for real-time feedback in servo drives, CNC equipment, and robotics.

Mechanically, the replacement encoder is designed to fit standard industrial mounting arrangements, facilitating straightforward installation on existing shafts and flanges. A rugged enclosure with IP67 protection and robust construction ensure reliable performance in harsh industrial environments exposed to vibration, shock, dust, and moisture. Low power consumption and fast initialization further contribute to system responsiveness.

X 700.A101202 and X 700.A121202 SSI Absolute Encoder 1:1 Replacement-EncoderWorks
X 700.A101202 and X 700.A121202 SSI Absolute Encoder 1:1 Replacement-EncoderWorks

This 1:1 replacement solution is ideal for industrial automation systems that require dependable absolute feedback and long-term operational stability.

Technical data

ParameterValue
Voltage supply10...30 VDC
Reverse polarity protectionYes
Consumption w/o load≤50 mA (24 VDC)
Initializing time typ.20 ms after power on
InterfaceSSI
FunctionSingleturn
Steps per revolution16384 / 14 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
Output stagesSSI data: Linedriver RS422, Diagnostic outputs push-pull
Interference immunityDIN EN 61000-6-2
Emitted interferenceDIN EN 61000-6-4
Diagnostic functionsSelf-diagnosis, Multiturn sensing
ParameterValue
Size (flange)ø70 mm
Shaft typeø10 mm solid shaft (clamping flange)
FlangeClamping flange
Protection DIN EN 60529IP 67
Operating speed≤6000 rpm (mechanical), ≤6000 rpm (electric)
Starting acceleration≤1000 U/s²
Starting torque≤0.4 Nm (+25 °C)
Admitted shaft load≤60 N axial, ≤50 N radial
MaterialsHousing: stainless steel, Flange: stainless steel
Operating temperature-20...+70 °C
Relative humidity95 % non-condensing
ResistanceDIN EN 60068-2-6 (Vibration ±0.75 mm - 10-58 Hz, 10 g - 58-2000 Hz)
DIN EN 60068-2-27 (Shock 200 g, 6 ms)
Explosion protectionEx II 2G Ex d IIC T6, Ex II 2D
Weight approx.1300 g
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EncoderWorks Technical Support

Contact Support

WeChat: +86 150 5045 0799 (WhatsApp)

Email: encoderworks@outlook.com

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

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