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. 818-8842
Mfr. Part No.HEDS-5540#A12
BrandBroadcom
R 720.30
Each
units
500 Incremental 30000rpm Push Pull Hollow 6mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
RS stock no. 498-1802
Mfr. Part No.BDK 16 24K 100 L5 5
BrandBaumer
R 3,832.29
Each
units
100 Optical 6000rpm HTL/Push Pull Solid shaft 5mm 10 → 30 V dc - - IP64 - - 30 Dia.mm -
RS stock no. 252-3921
Mfr. Part No.EC11B152040G
R 81.69
Each (In a Pack of 5)
units
15 Incremental - - Solid 6mm 5 V dc - - - - 31.6mm 13.75mm 11.7mm
RS stock no. 918-9105
Mfr. Part No.8.KIH40.5442.0360
BrandKubler
R 2,392.32
Each
units
360 Incremental - Push Pull Hollow 8mm 10 → 30 V dc - - IP64 - - 46mm 59.7mm
RS stock no. 447-6215
Mfr. Part No.D5.2102.2441.1000
BrandKubler
R 9,956.94
Each
units
- - - - - - - - - - - - - -
RS stock no. 918-9086
Mfr. Part No.8.KIS40.1362.1024
BrandKubler
R 2,314.90
Each
units
1024 Incremental - RS422 Solid 6mm 5 V dc - - IP64 RS422 - 40mm 61.3mm
RS stock no. 480-0488
Mfr. Part No.RC58/0013EK.42SGB
BrandHengstler
R 6,394.71
Each
units
- Absolute 10000rpm Gray, SSI Solid 10mm 10 → 30 V dc 13 bit - IP64, IP67 SSI-Gray - - -
RS stock no. 167-0068
Mfr. Part No.3315C-101-016L
BrandBourns
R 32.756
Each (In a Tray of 100)
units
16 - - - - - - - - - - 9.53mm - 17.88mm
RS stock no. 481-7436
Mfr. Part No.GI355.070R035
BrandBaumer
R 4,680.06
Each
units
5000 Optical 10000rpm HTL/Push Pull Solid shaft 10mm 4.75 → 30 V dc - - IP54 - - 58 Dia.mm -
RS stock no. 492-9185
Mfr. Part No.ATM60-AAA12X12
BrandSick
R 13,930.14
Each
units
8192 Absolute 3000rpm Digital, Gray Hollow 12mm 10 → 32 V dc - 8192Steps IP43, IP65, IP67 SSI-Gray 87.1mm - -
RS stock no. 820-3746
Mfr. Part No.EIL580-TT12.5BN.02048.A
BrandBaumer
R 3,533.25
Each
units
2048 Optical 6000rpm HTL/Push Pull Hollow shaft 12mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS stock no. 820-3730
Mfr. Part No.EIL580-TT12.5BN.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. 260-3831
Mfr. Part No.RS0-550-152
BrandHengstler
R 3,971.10
Each
units
500 Incremental 10000rpm Push Pull - - 5 V dc - - IP64, IP65, IP67 - 57.5mm - -
RS stock no. 260-3768
Mfr. Part No.RI32-O/500ER.11KB
BrandHengstler
R 3,149.16
Each
units
500 Incremental 6000rpm Push Pull Solid 6mm 10 → 30 V dc - - IP40 - 27mm - -
RS stock no. 818-8849
Mfr. Part No.HEDS-5540#A11
BrandBroadcom
R 721.98
Each
units
- Incremental 30000rpm Push Pull Hollow 4mm 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm
RS stock no. 265-1717
Mfr. Part No.EC11B152040G
R 90.93
Each
units
- - - - - - - - - - - - - -
RS stock no. 167-8878
Mfr. Part No.ECS78RBA502
BrandVishay
R 276.486
Each (In a Box of 20)
units
- Linear Measuring 150rpm - - - - - - - - 30.2mm 22.2 Dia.mm -
RS stock no. 291-4406
Mfr. Part No.RS0-532-315
BrandHengstler
R 6,515.88
Each
units
5000 Incremental 6000rpm RS422 Hollow 12mm 5 V dc - - IP64, IP65 RS422 41.5mm - -
RS stock no. 806-8293
Mfr. Part No.ECS78RBA502
BrandVishay
R 253.05
Each
units
- Linear Measuring 150rpm - - - - - - - - 30.2mm 22.2 Dia.mm -
RS stock no. 178-3121
Mfr. Part No.HEDS-5540#A11
BrandBroadcom
R 631.84
Each (In a Tray of 25)
units
- Incremental 30000rpm Digital Round - 4.5 → 5.5 V dc 500 CPR 500Steps - - 18.3mm 41.1mm 30mm