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. 181-1062
Mfr. Part No.05.2420.1242.0100
BrandKubler
£141.12
Each
Units
100 Incremental - Push Pull Hollow 6mm 8 → 30 V dc - - IP50, IP64, IP65 - 30.5mm 24 Dia.mm -
RS Stock No. 136-6405
Mfr. Part No.E6C2CWZ5B360PR2M
BrandOmron
£288.10
Each
Units
360 Incremental 6000rpm PNP Open Collector Solid 6mm 12 → 24 V dc - - IP64 - 60mm 50 (Dia.)mm -
RS Stock No. 179-7716
Mfr. Part No.D8.C100.0500.RC11.1200
BrandKubler
£744.34
Each
Units
- Measuring - Relay - - 9 → 30 V dc 14 Bit - IP67 CANOpen 108mm 98mm 68.4mm
RS Stock No. 481-7509
Mfr. Part No.GI356.170R022
BrandBaumer
£220.47
Each
Units
1000 Incremental 10000rpm Push Pull Solid - 4.75 → 30 V dc - - IP54 - 65mm - -
RS Stock No. 179-7715
Mfr. Part No.D8.C100.0500.RC11.1000
BrandKubler
£514.10
Each
Units
- Measuring - Relay - - 9 → 30 V dc 14 Bit - IP67 CANOpen 108mm 98mm 68.4mm
RS Stock No. 181-4426
Mfr. Part No.PEC16-4220F-S0024
BrandBourns
£0.804
Each (In a Box of 200)
Units
24 Incremental - Quadrature Solid 6mm 5 V dc 2 Bit - IP40 - 17.7mm 16mm 31.5mm
RS Stock No. 181-4486
Mfr. Part No.PEC16-4220F-S0024
BrandBourns
£1.264
Each (In a Pack of 5)
Units
24 Incremental - Quadrature Solid 6mm 5 V dc 2 Bit - IP40 - 17.7mm 16mm 31.5mm
RS Stock No. 179-7714
Mfr. Part No.D8.C100.0500.A441.2000
BrandKubler
£512.88
Each
Units
- Measuring - Analogue - - 5 V dc 12 Bit - IP67 - 108mm 98mm 68.4mm
RS Stock No. 181-4425
Mfr. Part No.PEC16-4220F-N0024
BrandBourns
£0.608
Each (In a Box of 200)
Units
24 Incremental - Quadrature Solid 6mm 5 V dc 2 Bit - IP40 - 17.7mm 16mm 31.5mm
RS Stock No. 2550981030
Mfr. Part No.E69-C04B
BrandOmron
£15.67
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2550981070
Mfr. Part No.E6F-AG5C-C 720 2M
BrandOmron
£389.00
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2508935768
Mfr. Part No.SE 060
BrandSimpson
£220.08
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2551002312
Mfr. Part No.H8PS-32BP
BrandOmron
£1,121.00
Each
Units
- - - - - - - - - - - - - -
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