Rotary Encoders

Rotary Encoders are devices that convert a motion into an analogue or digital signal. These devices are electro-mechanical sensors that monitor the position of the shaft or axle and convert it into the signal readable for digital devices. Rotary Encoders are also known as shaft encoders.
Rotary Encoders can be divided into 2 main types:
· Absolute – Digital Absolute encoders produce a unique digital code for each angle of shaft. These type of encoders maintains position information when a system power is off. The position of encoder is available again on applying power. The relationship between the encoder value and the physical position of the controlled machinery is set at assembly, the system does not need to return to a calibration point to maintain position accuracy.
Types of absolute encoders:
o Mechanical
o Optical
o Magnetic
o Capacitive
· Incremental – These encoders accurately records the changes in position of the shaft but does not power up with fixed relation between encoder state and physical position. The point where the counting begins depends on the external device counting system and not the position of the encoder. To provide useful position information, the encoder position must be referenced to the device to which is attached.
Rotary Encoders are commonly used in many applications that require precise shaft unlimited rotation. It means they can be used across industries such as robotics industry, electronic industry, and machinery production but are also very popular parts of many household devices.

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Description Price Pulses Per Revolution Encoder Technology Maximum Revolutions Output Signal Type Shaft Type Shaft Diameter Supply Voltage Resolution Steps Per Revolution IP Rating Interface Overall Height Overall Width Overall Depth
RS Stock No. 789-9361
Mfr. Part No.AMS22S5P1BLBFL301
BrandBourns
SGD64.78
Each
units
- Incremental 120rpm Analogue Solid 1/8in 5 V dc 12 Bit - IP50 - - 22.23 Dia.mm 15.62mm
RS Stock No. 818-8836
Mfr. Part No.HEDS-5140#A06
BrandBroadcom
SGD28.09
Each
units
- Optical 30000rpm - Hollow 1/4in - 500 CPR 500Steps - - 5.98mm 25.4mm -
RS Stock No. 492-9179
Mfr. Part No.ATM60-A4A12X12
BrandSick
SGD976.00
Each
units
8192 Absolute 6000rpm Digital, Gray Solid 10mm 10 → 32 V dc - 8192Steps IP43, IP65, IP67 SSI-Gray 93.8mm - -
RS Stock No. 167-5386
Mfr. Part No.AMS22S5A1CLAFL336
BrandBourns
SGD71.679
Each (In a Tray of 25)
units
- Incremental 120rpm Analogue Solid 1/8in 5 V dc 12 Bit - IP50 - - 22.23 Dia.mm 15.62mm
RS Stock No. 431-4599
Mfr. Part No.05.2400.1122.1024
BrandKubler
SGD258.43
Each
units
1024 Incremental 12000rpm Push Pull - - 5 → 24 V dc - - IP65 - 31mm - -
RS Stock No. 818-2955
Mfr. Part No.EIL580P-SC10.5BF.01024.B
BrandBaumer
SGD420.90
Each
units
1 → 65536 Optical 12000rpm TTL/HTL Solid shaft 10mm 4.75 → 30 V dc - - IP65 - - 58 Dia.mm -
RS Stock No. 441-6099
Mfr. Part No.8.3720.5621.0100
BrandKubler
SGD288.50
Each
units
100 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 167-5388
Mfr. Part No.AMS22S5P1BLBFL301
BrandBourns
SGD60.364
Each (In a Tray of 25)
units
- Incremental 120rpm Analogue Solid 1/8in 5 V dc 12 Bit - IP50 - - 22.23 Dia.mm 15.62mm
RS Stock No. 441-6134
Mfr. Part No.8.3720.5621.1024
BrandKubler
SGD312.53
Each
units
1024 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 795-1113
BrandRS PRO
SGD397.13
Each
units
50 Incremental 6000rpm HTL Inverted Hollow 12mm 5 → 30 V dc 2500 ppr - IP65 - - 58 Dia.mm 44.5mm
RS Stock No. 252-3915
Mfr. Part No.EC11B152442D
SGD7.644
Each (In a Pack of 5)
units
15 Incremental - Push Pull 6 mm Shaft 6mm 5 V dc - - - - 31.6mm 13.75mm 11.7mm
RS Stock No. 498-1852
Mfr. Part No.BDK 16 24K 360 B6 5
BrandBaumer
SGD412.74
Each
units
360 Optical 12000rpm HTL/Push Pull Solid shaft 6mm 10 → 30 V dc - - IP42 - - 30 Dia.mm -
RS Stock No. 701-4264
Mfr. Part No.DPL12H2424A24KR
SGD9.20
Each
units
24 Incremental 60rpm Quadrature Solid 6mm 5 V dc - - - - 26.4mm 13.2mm 12.4mm
RS Stock No. 168-0817
Mfr. Part No.DPL12H2424A24KR
SGD7.331
Each (In a Box of 500)
units
24 Incremental 60rpm Quadrature Solid 6mm 5 V dc - - - - 26.4mm 13.2mm 12.4mm
RS Stock No. 499-7627
Mfr. Part No.BDK 16.24K.0500-5-4
BrandBaumer
SGD533.04
Each
units
500 Optical 12000rpm HTL/Push Pull Solid shaft 5mm 10 → 30 V dc - - IP42 - - 30 Dia.mm -
RS Stock No. 796-7821
Mfr. Part No.AEDR-8500-102
BrandBroadcom
SGD25.77
Each
units
- Incremental - Push Pull - - 4.5 → 5.5 V dc 304 LPI - - - 0.956mm 3.4mm 3.95mm
RS Stock No. 291-4383
Mfr. Part No.RS0-532-313
BrandHengstler
SGD586.91
Each
units
500 Incremental 6000rpm RS422 Hollow 12mm 5 V dc - - IP64, IP65 RS422 41.5mm - -
RS Stock No. 291-4349
Mfr. Part No.RS0550178
BrandHengstler
SGD356.32
Each
units
5000 Incremental 10000rpm Push Pull Solid 10mm 10 → 30 V dc - - IP64, IP65 - 50mm - -
RS Stock No. 796-7887
Mfr. Part No.HEDS-9140#A00
BrandBroadcom
SGD50.14
Each
units
- Incremental 30000rpm Push Pull - - 4.5 → 5.5 V dc 500 CPR - - - 10.16mm 26.67mm 11.71mm
RS Stock No. 818-8849
Mfr. Part No.HEDS-5540#A11
BrandBroadcom
SGD68.07
Each
units
- Incremental 30000rpm Push Pull Hollow 4mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
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