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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Description Prix 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
N° de stock RS 878-0527
Référence fabricant25LB10-Q
MarqueGrayhill
5,77 €
Each
Unité
- 2 bit Quadrature Quadrature Code - 6.35 mm - 19.05mm Panel Mount Flat - - 1.5 mA @ 115 V ac, 150 mA @ 14 V dc, 250 mA @ 28 V dc
N° de stock RS 878-0552
Référence fabricant62A15-02-020C
MarqueGrayhill
39,52 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.44mm Surface Mount Flat Connector 100rpm 30mA
N° de stock RS 878-0596
Référence fabricant62S11-M5-100CH
MarqueGrayhill
62,23 €
Each
Unité
- 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
N° de stock RS 878-0505
Référence fabricant62C1111-01-060C
MarqueGrayhill
97,41 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 26.98mm Panel Mount Flat Connector 100rpm 50 mA @ 5 V dc
N° de stock RS 878-0489
Référence fabricant62S11-M5-050C
MarqueGrayhill
32,35 €
Each
Unité
- 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
N° de stock RS 878-2750
Référence fabricant62S15-M5-250SH
MarqueGrayhill
61,74 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Ribbon Cable with Stripped End - 25 mA @ 5.25 V dc
N° de stock RS 167-3613
Référence fabricantENA1J-B28-L00128L
MarqueBourns
33,019 €
Each (In a Tray of 42)
Unité
128 Incremental Digital Square Wave 5V dc 6.35 mm 9.5mm 22.23mm Bracket Mount Round - 3000rpm -
N° de stock RS 167-5308
Référence fabricantEM14R1D-R20-L032N
MarqueBourns
21,599 €
Each (In a Tube of 25)
Unité
32 Incremental 2 Channel Quadrature 5V dc 6 mm 1.73mm 20mm Through Hole Slotted Axial PC Pin 120rpm -
N° de stock RS 878-0619
Référence fabricant62A22-02-060C
MarqueGrayhill
31,81 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.44mm Surface Mount Flat Connector 100rpm 30mA
N° de stock RS 878-0600
Référence fabricant62A15-02-060S
MarqueGrayhill
59,37 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.44mm Surface Mount Flat Stripped Cable 100rpm 30mA
N° de stock RS 878-0669
Référence fabricant60AD18-8-M-060C
MarqueGrayhill
68,52 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 14.78mm Panel Mount Flat Connector 100rpm 5 (Joystick) mA, 20 mA @ 5 V dc (Rotary)
N° de stock RS 789-9497
Référence fabricantEM14R1D-R20-L032N
MarqueBourns
27,00 €
Each
Unité
32 Incremental 2 Channel Quadrature 5V dc 6 mm 1.73mm 20mm Through Hole Slotted Axial PC Pin 120rpm -
N° de stock RS 263-2889
Référence fabricantENA1J-B28-L00128L
MarqueBourns
45,78 €
Each
Unité
128 Incremental Digital Square Wave 5V dc 6.35 mm 9.5mm 22.23mm Bracket Mount Round - 3000rpm 26mA
N° de stock RS 878-0420
Référence fabricant62AG22-L5-060C
MarqueGrayhill
18,29 €
Each
Unité
- Quadrature 2-Bit Gray Code 5V dc 6.32 mm - 17.45mm Panel Mount Flat Center Ribbon Cable with Connector 100rpm 30mA
N° de stock RS 878-0571
Référence fabricant62A22-02-020C
MarqueGrayhill
39,53 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.44mm Surface Mount Flat Connector 100rpm 30mA
N° de stock RS 202-0442
Référence fabricantRE30E-1000-213-1
55,53 €
Each
Unité
1000 Incremental Digital Square Wave 5 - 12V dc 4 mm - - Panel Mount Plain Cable - -
Nouveau
N° de stock RS 215-5737
Référence fabricantAEDR-8723-102
MarqueBroadcom
24,40 €
Each
Unité
- Incremental - - - - - Surface Mount - - - -
N° de stock RS 202-4399
Référence fabricantREC16D25-205-B
16,07 €
Each
Unité
25 Incremental Digital Square Wave 5V dc 16 mm - - Panel Mount Flat Connector - -
N° de stock RS 878-0537
Référence fabricant61R128
MarqueGrayhill
89,37 €
Each
Unité
128 Quadrature 2-Bit Quadrature 5V dc 6.32 mm - 18.4mm Surface Mount Flat Pin 300rpm 30 mA @ 5 V dc
N° de stock RS 878-0574
Référence fabricant62A11-02-250S
MarqueGrayhill
63,02 €
Each
Unité
- Quadrature 2-Bit Quadrature 5V dc 6.35 mm - 17.44mm Surface Mount Flat Stripped Cable 100rpm 30mA