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Home › Selection & Replacement › X 700.M121202 and X 700.M121402 SSI Multiturn Encoder 1:1 Replacement

X 700.M121202 and X 700.M121402 SSI Multiturn Encoder 1:1 Replacement

EncoderWorks Team
6 monthsago

We provide a precise SSI multiturn absolute encoder 1:1 replacement solution for the X 700.M121202 and X 700.M121402 models, developed for direct integration into existing industrial automation and motion control systems. This replacement matches the original encoders’ electrical interface, SSI communication timing, and mechanical footprint, allowing seamless installation without changes to PLC logic, cabling, or controller configuration.

These encoders deliver high-resolution absolute position feedback via a Synchronous Serial Interface (SSI), combining 14-bit singleturn accuracy with 12-bit multiturn tracking to provide a complete absolute position value over many revolutions. The SSI output supports both Gray and binary code formats, ensuring reliable and repeatable data communication even in dynamic motion environments. Fast initialization and robust signal integrity make this replacement suitable for real-time feedback in servo drives, robotics, CNC axes, and precision positioning systems.

X 700.M121202 and X 700.M121402 SSI Multiturn Encoder 1:1 Replacement-EncoderWorks
X 700.M121202 and X 700.M121402 SSI Multiturn Encoder 1:1 Replacement-EncoderWorks

Mechanically, the replacement units conform to standard industrial shaft and flange mounting conventions, enabling direct substitution without mechanical redesign. Their industrial-grade construction with IP67 protection ensures dependable performance under vibration, shock, dust, and moisture exposure. Integrated self-diagnostic functions continuously monitor code continuity and internal signal health, supporting predictive maintenance and reducing unplanned downtime.

This 1:1 replacement solution is ideal for automated machinery, motion control platforms, and positioning applications that demand accurate 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
FunctionMultiturn
Steps per revolution16384 / 14 bit
Number of revolutions4096 / 12 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
Industrial Encoder Technical Consultant

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Industrial Encoder Technical Consultant

Contact Support

WeChat: +86 150 5045 0799 (WhatsApp)

Email: sividi360@outlook.com

X 700.M111202 and X 700.M111402 SSI Multiturn Encoder 1:1 Replacement

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