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. 795-0987
BrandRS PRO
£162.29
Each
Units
2048 Incremental 10000rpm HTL Inverted Solid 6mm 5 → 30 V dc 2500 ppr - IP67 - - 58 Dia.mm 71mm
RS Stock No. 795-1084
BrandRS PRO
£156.12
Each
Units
256 Incremental 8000rpm HTL Inverted Solid 10mm 5 → 30 V dc 2500 ppr - IP67 - - 58 Dia.mm 90mm
RS Stock No. 795-1034
BrandRS PRO
£174.62
Each
Units
4096 Incremental 10000rpm HTL Inverted Solid 6mm 10 → 30 V dc 5000 ppr - IP67 - - 58 Dia.mm 76mm
RS Stock No. 178-3258
Mfr. Part No.AEDB-9140-A13
BrandBroadcom
£20.198
Each (In a Bag of 100)
Units
- - - - - - - - - - - - - -
RS Stock No. 796-7806
Mfr. Part No.AEDB-9140-A13
BrandBroadcom
£25.24
Each
Units
500 Incremental - Push Pull - - -0.5 → 7 V dc 500 CPR - - - 13.6mm 21.6mm 9.74mm
RS Stock No. 178-3257
Mfr. Part No.AEAT-601B-F06
BrandBroadcom
£18.018
Each (In a Box of 80)
Units
- - - - - - - - - - - - - -
RS Stock No. 714-0237
Mfr. Part No.AEAT-601B-F06
BrandBroadcom
£21.40
Each
Units
256 Incremental 12000rpm Quadrature - - 4.5 → 5.5 V dc - - - - - - -
RS Stock No. 712-5424
Mfr. Part No.DFS60B-S4PA10000
BrandSick
£229.89
Each
Units
10000 Incremental - HTL, TTL Solid 10mm 5 → 32 V dc - - IP65, IP67 - 40.1mm - -
RS Stock No. 291-4349
Mfr. Part No.RI58-O/5000EK.42KB
BrandHengstler
£169.65
Each
Units
5000 Incremental 10000rpm Push Pull Solid 10mm 10 → 30 V dc - - IP64, IP65 - 50mm - -
RS Stock No. 441-6162
Mfr. Part No.8.3720.5611.1024
BrandKubler
£147.59
Each
Units
1024 Incremental 6000rpm TTL Hollow 8mm 5 V dc - - IP67 - 34mm - -
RS Stock No. 860-2792
Mfr. Part No.SR060E-25-2-3-132-V100
BrandKubler
£347.22
Each
Units
- - 500rpm - Hollow 25mm 240 V ac/dc - - IP64 - - 58mm 89mm
RS Stock No. 744-5312
Mfr. Part No.E6B2-CWZ6C 1000P/R 2M BY OMS
BrandOmron
£172.70
Each
Units
1000 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc - - IP50 - 59mm - -
New
RS Stock No. 189-4801
Mfr. Part No.HEDS-5540#A06
BrandBroadcom
£28.479
Each (In a Tube of 50)
Units
500 Optical 30000rpm Digital - 1/4in -0.5 → 7 V 500 CPR - - - 41.1mm 30mm 18.3mm
RS Stock No. 205-6881
Mfr. Part No.HEDS-5540#A06
BrandBroadcom
£34.96
Each
Units
500 Incremental 30000rpm Quadrature Hollow 1/4in 4.5 → 5.5 V dc - - - - 41.1mm 30mm 18.3mm
RS Stock No. 375-1290
Mfr. Part No.8.5000.8358.0500
BrandKubler
£187.98
Each
Units
500 Incremental 12000rpm Push Pull Solid 12mm 10 → 30 V dc - - IP65 - 71mm - -
RS Stock No. 712-5437
Mfr. Part No.DFS60B-BHPA10000
BrandSick
£259.00
Each
Units
10000 Incremental - HTL, TTL Hollow 15mm 5 → 32 V dc - - IP65, IP67 - 45.5mm - -
RS Stock No. 252-3915
Mfr. Part No.EC11B152442D
£3.828
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. 172-7679
Mfr. Part No.EC11B152442D
£2.536
Each (In a Tray of 100)
Units
- - - - - - - - - - - - - -
RS Stock No. 265-2928
Mfr. Part No.EC11B152442D
£3.83
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 492-9157
Mfr. Part No.ARS60-A4A08192
BrandSick
£451.61
Each
Units
8192 Absolute 10000rpm Gray, SSI Solid 10mm 10 → 32 V dc - 8192Steps IP64, IP65, IP66 - 78.5mm - -
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