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 Encoder Technology Pulses Per Revolution 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. 291-4311
Mfr. Part No.RI58-0/1000EK.42KB
BrandHengstler
$518.68
Each
units
Incremental 1000 10000rpm Push Pull - - 10 → 30 V dc - - IP64, IP65, IP67 - 57.5mm - -
RS Stock No. 265-2928
Mfr. Part No.EC11B152442D
$10.74
Each
units
- - - - - - - - - - - - - -
RS Stock No. 252-3915
Mfr. Part No.EC11B152442D
$8.198
Each (In a Pack of 5)
units
Incremental 15 - Push Pull 6 mm Shaft 6mm 5 V dc - - - - 31.6mm 13.75mm 11.7mm
RS Stock No. 172-7679
Mfr. Part No.EC11B152442D
$5.373
Each (In a Tray of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 447-6271
Mfr. Part No.D5.2501.2441.1000
BrandKubler
$851.67
Each
units
Linear Measuring - - Push Pull - - 8 → 24 V dc - - IP64 - 40mm 55mm 40mm
RS Stock No. 386-0063
Mfr. Part No.E6B2-CWZ6C 360P/R 2M
BrandOmron
$667.63
Each
units
Incremental 360 6000rpm - Radial - 5 → 24 V dc - - - - 59mm - -
RS Stock No. 603-0574
Mfr. Part No.RE30E-500-213-1
$116.77
Each
units
Incremental 500 - Push Pull Solid - 5 → 12 V dc - - - - 44mm - -
RS Stock No. 822-6430
Mfr. Part No.E6A2-CW5C100 P/R 2M
BrandOmron
$362.17
Each
units
Incremental 100 5000rpm NPN Open Collector Solid 4mm 12 → 24 V dc 100 ppr - IP50 - 46.5mm 22 Dia.mm -
RS Stock No. 918-9060
Mfr. Part No.8.KIS40.1342.0360
BrandKubler
$240.80
Each
units
Incremental 360 - Push Pull Solid 6mm 10 → 30 V dc - - IP64 - - 40mm 61.3mm
RS Stock No. 909-3301
Mfr. Part No.RVP510
$425.04
Each
units
Incremental 10000 12000rpm HTL, TTL Solid 10mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link 64mm 58.6mm 80.2mm
RS Stock No. 178-3118
Mfr. Part No.HEDS-5605#E06
BrandBroadcom
$59.934
Each (In a Tray of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 796-7865
Mfr. Part No.HEDS-5605#E06
BrandBroadcom
$76.71
Each
units
Incremental - 30000rpm Push Pull - - -0.5 → 7 V dc 200 CPR - - - 18.3mm 41.1mm 30mm
RS Stock No. 189-4800
Mfr. Part No.HEDS-5500#A06
BrandBroadcom
$53.33
Each (In a Tube of 50)
units
Optical 500 30000rpm Digital - 1/4in -0.5 → 7 V 500 CPR - - - 41.1mm 30mm 18.3mm
RS Stock No. 205-6869
Mfr. Part No.HEDS-5500#A06
BrandBroadcom
$72.80
Each
units
Incremental 500 30000rpm Quadrature Hollow 1/4in 4.5 → 5.5 V dc - - - - 41.1mm 30mm 18.3mm
RS Stock No. 291-4349
Mfr. Part No.RS0550178
BrandHengstler
$449.29
Each
units
Incremental 5000 10000rpm Push Pull Solid 10mm 10 → 30 V dc - - IP64, IP65 - 50mm - -
RS Stock No. 492-9185
Mfr. Part No.ATM60-AAA12X12
BrandSick
$1,150.00
Each
units
Absolute 8192 3000rpm Digital, Gray Hollow 12mm 10 → 32 V dc - 8192Steps IP43, IP65, IP67 SSI-Gray 87.1mm - -
RS Stock No. 499-7598
Mfr. Part No.BDK 16.05A.1024-5-4
BrandBaumer
$691.70
Each
units
Optical 1024 12000rpm RS422, TTL Solid shaft 5mm 5 V dc - - IP42 - - 30 Dia.mm -
RS Stock No. 122-4634
Mfr. Part No.PFG08-P1AM03PP
BrandSick
$925.00
Each
units
Linear Measuring 65536 - - - - 4.5 → 32 V 0.014 mm - IP50, IP67 - 190mm 190mm 76.5mm
RS Stock No. 691-7705
Mfr. Part No.EM14A0D-C24-L064S
BrandBourns
$42.28
Each
units
Optical 64 120rpm Quadrature Flatted 1/4in 5 V dc 2 bit - IP54 - 14.76mm 14.25mm 32.05mm
RS Stock No. 178-3105
Mfr. Part No.HEDL-5640#A13
BrandBroadcom
$62.72
Each (In a Tray of 20)
units
Incremental 500 30000rpm Push Pull Hollow 8mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
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