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. 603-0552
Mfr. Part No.RE30E-100-213-1
SGD116.43
Each
units
100 Incremental - Push Pull Solid - 5 → 12 V dc - - - - 44mm - -
RS Stock No. 291-4327
Mfr. Part No.RI58-0/1024EK.42KB
BrandHengstler
SGD362.97
Each
units
1024 Incremental 10000rpm Push Pull - - 10 → 30 V dc - - IP64, IP65, IP67 - 57.5mm - -
RS Stock No. 167-5387
Mfr. Part No.AMS22S5P1BHAFL103
BrandBourns
SGD60.36
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. 481-7313
Mfr. Part No.GI333.M70R031
BrandBaumer
SGD579.23
Each
units
3600 Optical 6000rpm HTL/Push Pull Hollow shaft 12mm 4.75 → 30 V dc - - IP54 - - 58 Dia.mm -
RS Stock No. 447-6271
Mfr. Part No.D5.2501.2441.1000
BrandKubler
SGD771.54
Each
units
- Linear Measuring - Push Pull - - 8 → 24 V dc - - IP64 - 40mm 55mm 40mm
RS Stock No. 796-7846
Mfr. Part No.HEDS-5500#A11
BrandBroadcom
SGD68.07
Each
units
500 Incremental 30000rpm Push Pull - - -0.5 → 7 V dc 500 CPR - - - 18.3mm 41.1mm 30mm
RS Stock No. 918-9089
Mfr. Part No.8.KIS40.1342.2500
BrandKubler
SGD214.95
Each
units
2500 Incremental - Push Pull Solid 6mm 10 → 30 V dc - - IP64 - - 40mm 61.3mm
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. 176-447
Mfr. Part No.PS-11-B-0-103 0000X000X00
BrandGefran
SGD407.93
Each
units
- Absolute 600rpm - - - - - - IP40 - 37mm - -
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. 265-2928
Mfr. Part No.EC11B152442D
SGD7.65
Each
units
- - - - - - - - - - - - - -
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. 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. 701-4330
Mfr. Part No.DPL12SHN24A21F2
SGD9.94
Each
units
24 Incremental 60rpm Quadrature Solid 6mm 5 V dc - - - - 26mm 13.2mm 12.4mm
RS Stock No. 499-7807
Mfr. Part No.BHG 16.25W.5000-B2-5
BrandBaumer
SGD1,132.71
Each
units
5000 Optical 12000rpm HTL/Push Pull Hollow shaft 12mm 4.5 → 30 V dc - - IP42 - - 58 Dia.mm -
RS Stock No. 499-7627
Mfr. Part No.BDK 16.24K.0500-5-4
BrandBaumer
SGD453.32
Each
units
500 Optical 12000rpm HTL/Push Pull Solid shaft 5mm 10 → 30 V dc - - IP42 - - 30 Dia.mm -
RS Stock No. 744-5337
Mfr. Part No.E6B2CWZ6C200PR2M
BrandOmron
SGD329.64
Each
units
200 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc - - IP50 - 59mm - -
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. 822-6443
Mfr. Part No.E6A2-CS5C 100P/R 0.5M
BrandOmron
SGD339.06
Each
units
100 Incremental 5000rpm NPN Open Collector Solid 4mm 12 → 24 V dc 100 ppr - IP50 - 46.5mm 22 Dia.mm -
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 -
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