Optical Rotary Encoders

An optical rotary encoder is an angular position sensor. It converts an angular displacement directly into a digital form. There are usually three components in an optical rotary encoder: a light source (an LED), a sensor and a moveable disk.


How an optical rotary encoder works


Optical rotary encoders have a shaft mechanically coupled to an input driver. This driver rotates a disc fixed onto it which is marked with a succession of opaque and clear segments.

Light from infrared emitting diodes reaches the infrared receivers through the transparent slits of the rotating disc, creating an analogue signal. The signal is then amplified electronically and converted into digital form. This is then transmitted to the data processor. 


Uses for optical rotary encoders 


Optical rotary encoders make precise digital signals. This makes them a good option where image resolution matters, and explains their use in applications as varied as office equipment (in computer mice and photo copiers) and medical devices. 


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Omschrijving Prijs Pulses Per Revolution Encoder Reading Encoder Signal Supply Voltage Shaft Diameter Mounting Hole Diameter Shaft Length Mounting Type Shaft Style Termination Style Maximum Operating Speed Current Rating
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€ 17,57
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25 - Digital Square Wave 5V dc 6 mm M9 12mm - Round Wire Lead - 50mA
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RS-stocknr. 878-0515
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 26.98mm Panel Mount Flat Connector 100rpm 50 mA @ 5 V dc
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€ 112,44
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm 17.25mm 21.67mm Surface Mount Flat Connector 100rpm 5 (Joystick) mA, 20 mA @ 5 V dc (Rotary)
RS-stocknr. 878-0426
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FabrikantGrayhill
€ 18,43
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- Quadrature 2-Bit Gray Code 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Ribbon Cable with Connector 100rpm 30mA
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FabrikantGrayhill
€ 22,57
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- Quadrature 2-Bit Gray Code 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Pin 100rpm 30mA
RS-stocknr. 182-5674
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€ 58,66
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- Absolute - 5V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
RS-stocknr. 182-5688
FabrikantnummerREC16M25-201
€ 20,53
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25 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
RS-stocknr. 878-0634
Fabrikantnummer60AR18-8-060C
FabrikantGrayhill
€ 112,44
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm 17.25mm 21.67mm Surface Mount Flat Connector 100rpm 5 (Joystick) mA, 20 mA @ 5 V dc (Rotary)
RS-stocknr. 878-0439
Fabrikantnummer62AG22-L0-060C
FabrikantGrayhill
€ 20,33
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- Quadrature 2-Bit Gray Code 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Ribbon Cable with Connector 100rpm 30mA
RS-stocknr. 878-0432
Fabrikantnummer62AG11-L5-P
FabrikantGrayhill
€ 18,29
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- Quadrature 2-Bit Gray Code 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Pin 100rpm 30mA
RS-stocknr. 182-5637
FabrikantnummerREC16A50-201-C
€ 15,38
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50 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
RS-stocknr. 182-5675
FabrikantnummerJT22-120-C00
€ 58,66
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- Absolute - 12V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
RS-stocknr. 134-8142
FabrikantnummerES14A0D-E28-L064N
FabrikantBourns
€ 46,393
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64 Quadrature 2-Bit Quadrature 5V dc 3.18 mm 1.73 mm, 14 mm 22.23mm Bracket Mount Slotted Axial PC Pin 1000rpm 26mA
RS-stocknr. 878-0464
Fabrikantnummer62S22-M5-050C
FabrikantGrayhill
€ 42,43
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- Quadrature 2-Bit Quadrature 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Ribbon Cable with Connector - 25 mA @ 5.25 V dc
RS-stocknr. 182-5631
FabrikantnummerREC16M25-201
€ 11,74
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25 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
RS-stocknr. 878-0518
Fabrikantnummer62C2222-01-060C
FabrikantGrayhill
€ 97,41
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 26.98mm Panel Mount Flat Connector 100rpm 50 mA @ 5 V dc
RS-stocknr. 878-0565
Fabrikantnummer61RS128-080
FabrikantGrayhill
€ 103,42
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128 Quadrature 2-Bit Quadrature 5V dc 6.32 mm - 18.4mm Surface Mount Flat Pin 300rpm 30 mA @ 5 V dc
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FabrikantGrayhill
€ 43,02
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.45mm Panel Mount Flat PC Pin 16.6 rpm @ 30 mS 30 mA @ 5 V dc
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Fabrikantnummer62C1111-02-060C
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- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 26.98mm Panel Mount Flat Connector 100rpm 50 mA @ 5 V dc
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