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. 918-9109
Mfr. Part No.8.KIH40.5442.0500
BrandKubler
R 2,392.32
Each
units
500 Incremental - Push Pull Hollow 8mm 10 → 30 V dc - - IP64 - - 46mm 59.7mm
RS stock no. 178-471
Mfr. Part No.PS-20-B-0-103 0000X000X00
BrandGefran
R 4,666.73
Each
units
- Absolute 600rpm - - - - - - IP40 - 37mm - -
RS stock no. 178-3105
Mfr. Part No.HEDL-5640#A13
BrandBroadcom
R 715.817
Each (In a Tray of 20)
units
500 Incremental 30000rpm Push Pull Hollow 8mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
RS stock no. 441-6162
Mfr. Part No.8.3720.5611.1024
BrandKubler
R 3,382.26
Each
units
1024 Incremental 6000rpm TTL Hollow 8mm 5 V dc - - IP67 - 34mm - -
RS stock no. 796-7862
Mfr. Part No.HEDS-9000#T00
BrandBroadcom
R 385.04
Each
units
- Incremental - Push Pull - - 4.5 → 5.5 V dc 2000 CPR - - - 10.16mm 26.67mm 11.71mm
RS stock no. 744-5312
Mfr. Part No.E6B2-CWZ6C 1000P/R 2M BY OMS
BrandOmron
R 3,796.38
Each
units
1000 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc - - IP50 - 59mm - -
RS stock no. 818-8833
Mfr. Part No.HEDL-5640#A13
BrandBroadcom
R 1,118.05
Each
units
500 Incremental 30000rpm Push Pull Hollow 8mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
RS stock no. 178-3260
Mfr. Part No.HEDS-9000#T00
BrandBroadcom
R 307.672
Each (In a Bag of 100)
units
- Incremental - Digital - - 4.5 → 5.5 V dc 2000 CPR - - - 10.16mm 26.67mm 11.71mm
RS stock no. 441-6128
Mfr. Part No.8.3720.5621.1000
BrandKubler
R 3,790.71
Each
units
1000 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS stock no. 291-4311
Mfr. Part No.RI58-0/1000EK.42KB
BrandHengstler
R 3,970.89
Each
units
1000 Incremental 10000rpm Push Pull - - 10 → 30 V dc - - IP64, IP65, IP67 - 57.5mm - -
RS stock no. 796-7878
Mfr. Part No.HEDS-9100#A00
BrandBroadcom
R 385.04
Each
units
- Incremental - Push Pull - - 4.5 → 5.5 V dc 500 CPR - - - 10.16mm 26.67mm 11.71mm
RS stock no. 820-3711
Mfr. Part No.EIL580-TT12.5FN.00512.A
BrandBaumer
R 3,533.25
Each
units
512 Optical 6000rpm HTL/Push Pull Hollow shaft 12mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS stock no. 178-3263
Mfr. Part No.HEDS-9100#A00
BrandBroadcom
R 307.672
Each (In a Bag of 100)
units
- Incremental - Digital - - 4.5 → 5.5 V dc 500 CPR - - - 10.16mm 26.67mm 11.71mm
RS stock no. 499-7598
Mfr. Part No.BDK 16.05A.1024-5-4
BrandBaumer
R 6,793.29
Each
units
1024 Optical 12000rpm RS422, TTL Solid shaft 5mm 5 V dc - - IP42 - - 30 Dia.mm -
RS stock no. 744-5328
Mfr. Part No.E6B2-CWZ6C 2000P/R 2M BY OMS
BrandOmron
R 4,708.39
Each
units
2000 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc - - IP50 - 59mm - -
RS stock no. 260-3982
Mfr. Part No.RI58-D 5000ED.37KB
BrandHengstler
R 6,512.73
Each
units
5000 Incremental 6000rpm Push Pull Hollow 12mm 10 → 30 V dc - - IP64, IP65 - 41.5mm - -
RS stock no. 260-3910
Mfr. Part No.RS0-550-170
BrandHengstler
R 4,095.21
Each
units
5000 Incremental 10000rpm Push Pull - - 5 V dc - - IP64, IP65, IP67 - 57.5mm - -
RS stock no. 492-9157
Mfr. Part No.ARS60-A4A08192
BrandSick
R 9,796.50
Each
units
8192 Absolute 10000rpm Gray, SSI Solid 10mm 10 → 32 V dc - 8192Steps IP64, IP65, IP66 SSI-Gray 78.5mm - -
RS stock no. 542-5246
Mfr. Part No.MDFK 08G 8124
BrandBaumer
R 3,034.23
Each
units
1024 Magnetic - HTL/Push Pull - - 8 → 30 V dc - - IP67 - - 9x46mm -
RS stock no. 499-7734
Mfr. Part No.BHF 16.25W.1024-12-5
BrandBaumer
R 14,000.91
Each
units
1024 Optical 12000rpm HTL/Push Pull Hollow shaft 12mm 4.5 → 30 V dc - - IP42 - - 58 Dia.mm -