Optical Encoder System
An optical encoder system is a device used for precise measurement of position or speed, and it is widely applied in fields such as industrial automation, machine tools, and semiconductor manufacturing. It detects displacement or position changes by reading precise optical patterns on a scale or disc. The system consists of a readhead and a scale or disc, where the light source and sensor within the readhead detect changes in light waveform from the scale or disc and convert them into electrical signals. The scale typically made of stainless steel or nickel with optical patterns etched on it, providing accurate position information. Ultimately, the signal processing unit converts these electrical signals into precise displacement data. Due to its high resolution and accurate feedback capabilities, optical encoder systems excel in fields that require precise motion control.
ABA128 Series Optical Absolute Readhead

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Datasheet
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• Miniature optical absolute encoder, suitable for confined spaces
• Compatible with linear and rotary measurement, user-programmable 22-bit to 26-bit resolution for different precision requirements
• Real-time signal monitoring and debugging via the Encoder Test Box (ETB)
• BiSS C or BiSS C + SinCos 1 Vpp dual output options
• High-speed performance: up to 18 m/s linear, 6920 rpm rotary
• Auto Gain Control (AGC) to maintain optimal signal quality
• Auto Offset Calibration (AOC) for easy position optimization
• Auto Accuracy Calibration (AAC) to enhance system accuracy
• Compatible with soda-lime glass scales, steel tapes, and discs
• Excellent electromagnetic interference (EMI) resistance
•Multi-color LED indicators for intuitive signal status display
ABA128 Specifications

ABA128 Compatible Scale

ABA128 Compatible Glass Disc

ABA128 Compatible Stainless Steel Disc

ABI80 Series Optical Incremental Readhead

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Datasheet
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• Miniature optical incremental encoder, suitable for short-stroke and confined spaces
• Compatible with linear and rotary measurement
• Supports SinCos 1Vpp and TTL output, with resolution up to 0.04 μm
• High-speed performance: up to 8 m/s linear, 5625 rpm rotary
• Auto Gain Control (AGC) for stable and reliable signals
• Excellent electromagnetic interference (EMI) resistance
ABI80 Specifications

ABI80 Compatible Scale/Disc

ABI801 Series Optical Incremental Readhead

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Datasheet
3D file
• Optical incremental encoder with built-in Hall sensor, supporting multiple indexing for simplified calibration and flexible installation
• Designed for long-stroke linear applications
• Supports SinCos 1 Vpp and TTL outputs, with resolution up to 0.04 μm
• High-speed linear motion, up to 8 m/s
• Auto Gain Control (AGC) for stable and reliable signals
• Excellent electromagnetic interference (EMI) resistance
• Multi-color LED indicators for intuitive signal status display
ABI801 Specifications

ABI801 Compatible Scale/Disc

SI80 Series Incremental Scale

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Datasheet
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The SI80 series incremental scale is designed for linear motion applications requiring reliable, long-term performance with optical scanning readheads. It is available in three substrates: nickel (SI80-NI), stainless steel (SI80-SS), and high borosilicate glass (SI80-G0N).
With an 80 µm grating period, the SI80 series delivers stable position feedback across industrial environments. Nickel and stainless steel offer flexible adhesive mounting, while SI80-G0N provides enhanced thermal stability with a low expansion coefficient of 3 ppm/°C.
The series supports lengths up to 3000 mm for stainless steel and 430 mm for glass, with dedicated installation tools available for accurate mounting.
SI80 Specifications


SI80 Compatible Readhead

SI80 Accessories List

RI80 Series Incremental Disc

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Datasheet
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The RI80 series incremental disc is designed to provide high-precision performance in rotating incremental systems, compatible with optical scanning readheads. Made from robust stainless steel, it maintains exceptional accuracy even in corrosive environments. With a low thermal expansion coefficient of 11 ppm/°C, the RI80 ensures consistent performance across a wide temperature range, making it particularly suitable for harsh industrial applications.
The RI80 disc is available in various sizes with an 80 µm grating period and can be customized to meet specific requirements for turns per revolution. Its durability and precision make it a reliable choice for applications that require high accuracy and long-term stability.
Choose the RI80 series to meet your rotating incremental needs and experience unparalleled performance and reliability with every turn.
RI80 Specifications

RI80 Compatible Readhead

ABA100 Series Optical Absolute Readhead
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Datasheet
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• Optical absolute encoder with resolution up to 50 nm
• Supports EnDat 2.2, and Mit03-2 protocols
• High-speed linear motion, up to 10 m/s
• Compatible with robax glass scales (0 ppm/°C thermal expansion coefficient, up to 1.5 m) and steel tapes (up to 6 m)
• Auto Gain Control (AGC) for stable and reliable signals
• Excellent electromagnetic interference (EMI) resistance
• Multi-color LED indicators for intuitive signal status display
ABA100 Specifications

ABA100 Compatible Scale/Disc

SA100 Series Absolute Scale

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Datasheet
3D file
The SA100 series is a high-precision absolute scale, specifically designed to match optical scanning absolute readheads, suitable for precise displacement measurement applications. Its standout feature is the robax glass substrate, which boasts an ultra-low thermal expansion coefficient of nearly 0 ppm/°C, ensuring exceptional measurement accuracy even in fluctuating temperature environments, with a precision of up to ±5 μm/m. The stainless steel version of the scale offers a thermal expansion coefficient of 11 ppm/°C, providing good durability and corrosion resistance.
The SA100 is available in both robax glass and stainless steel substrate materials to meet diverse environmental needs, with the robax glass being particularly suitable for applications that are highly sensitive to temperature variations. The grating period is 100 µm, with lengths of up to 1520 mm (Robax glass) and 6000 mm (Stainless steel).
Choose the SA100 series to meet your absolute measurement needs and experience exceptional precision and stability with every displacement.
SA100 Specifications

SA100 Compatible Readhead

SA100 Accessories List


