Optical Linear Encoder

Name: Optical Linear Encoder
Brand: Scanner Optics Co., Ltd.
Availability: InStock

Optical linear encoders are designed to deliver precise linear position feedback for high-performance motion control systems. The encoder is composed of a precision linear optical scale and a compact readhead, enabling accurate position detection with excellent repeatability.

The readhead integrates an LED indicator to simplify installation and alignment. With digital output resolution up to 32 nm, it provides high-resolution measurement for applications requiring fast response and precise positioning. An integrated index detector further enhances system integration and supports reliable reference position detection.

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Key Features of Optical Linear Encoders

Non-contact Design: Utilizes a non-contact optical sensing principle to eliminate mechanical wear, ensuring long-term stability and durability.

High-resolution Output: Offers digital output resolution up to 32 nm, enabling ultra-precise positioning and measurement.

Compact Readhead with Built-in LED Indicator: The compact readhead features an integrated LED for easy installation and alignment verification.

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Specifications of Optical Linear Encoders

Parameter
Readhead dimensions（mm）	Standard： 36×13.5×10.2； Ultrathin： 40×15×6.4
Output	Diﬀerential 1Vpp sin/cos and Index Index signal or Diﬀerential A-quad-B and Index Index signal
Resolution(Digital output)	Linear：4um - 32 nm
Linear accuracy	+ /-3um (the glass scale ≤135mm）
	+ /-5um (the glass scale >135mm,≤680mm）＜ +/-3μm /m(Two points linearity)
	＜+/-50μm/m(Slope)
Power supply	5VDC±5% @165mA (120Ω across A, B, I) 5VDC±5% @105mA (120Ω across Sin/Cos,I)
Maximum velocity	10m/s
Index Signal	1/4Pitch period(Diﬀerential 1Vpp sin/cos output) 1LSB(Diﬀerential A-quad-B output)
Signal status indicator	Available
Operating Environment	Atmosphere
Pitch	≤256 µm and other options
Repeatability	1 LSB(>50nm resolution）； 72nm(≤50nm resolution)
Typical cyclical error（SDE）	72 nm
Mass	<18g （ Readhead）， <100 g/m（ Cable）