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 182-5633
Référence fabricantREC16B50-201-C
14,08 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5634
Référence fabricantREC16B50-201
13,04 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5635
Référence fabricantREC16B25-201-C
12,12 €
Each
Unité
25 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5639
Référence fabricantREC16A25-201-C
16,78 €
Each
Unité
25 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5637
Référence fabricantREC16A50-201-C
15,38 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5674
Référence fabricantJT22-320-500
58,66 €
Each
Unité
- Absolute - 5V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
N° de stock RS 182-5627
Référence fabricantRESW20D-50-201-1
15,67 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 12mm - Round Wire Lead - 50mA
N° de stock RS 182-5629
Référence fabricantRECW20D-50-201-1
17,57 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 12mm - Round Wire Lead - 50mA
N° de stock RS 182-5684
Référence fabricantCJ25-82010
61,771 €
Each (In a Tray of 20)
Unité
5 Incremental Digital Square Wave 5V dc 6.35 mm M17 9.35mm - Round Wire Lead - 20mA
N° de stock RS 182-5676
Référence fabricantJT22-120-500
58,66 €
Each
Unité
- Absolute - 5V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
N° de stock RS 182-5673
Référence fabricantJT22-320-C00
58,66 €
Each
Unité
- Absolute - 12V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
N° de stock RS 182-5630
Référence fabricantRECW20D-25-201-1
17,57 €
Each
Unité
25 - Digital Square Wave 5V dc 6 mm M9 12mm - Round Wire Lead - 50mA
N° de stock RS 182-5668
Référence fabricantJT30-340-C00
108,22 €
Each
Unité
- Absolute - 12V dc 6 mm - 15mm - Flat Wire Lead - 40mA
N° de stock RS 182-5632
Référence fabricantREC16K25-201
12,003 €
Each (In a Tray of 20)
Unité
25 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5671
Référence fabricantJT30-120-C00
89,97 €
Each
Unité
- Absolute - 12V dc 6 mm - 15mm - Flat Wire Lead - 40mA
N° de stock RS 182-5690
Référence fabricantCJ25-82010
72,67 €
Each
Unité
5 Incremental Digital Square Wave 5V dc 6.35 mm M17 9.35mm - Round Wire Lead - 20mA
N° de stock RS 182-5685
Référence fabricantCJ25-42010
61,771 €
Each (In a Tray of 20)
Unité
5 Incremental Digital Square Wave 5V dc 6.35 mm M17 9.35mm - Round Wire Lead - 20mA
N° de stock RS 182-5638
Référence fabricantREC16A50-201
15,00 €
Each
Unité
50 - Digital Square Wave 5V dc 6 mm M9 16.5mm Through Hole Flat Wire Lead - 30mA
N° de stock RS 182-5675
Référence fabricantJT22-120-C00
58,66 €
Each
Unité
- Absolute - 12V dc 3 mm M9 8mm - Flat Wire Lead - 40mA
N° de stock RS 182-5672
Référence fabricantJT30-120-500
89,97 €
Each
Unité
- Absolute - 5V dc 6 mm - 15mm - Flat Wire Lead - 40mA