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. 820-3715
Mfr. Part No.EIL580-TT12.5FN.01000.A
BrandBaumer
$356.99
Each
units
Optical 1000 6000rpm HTL/Push Pull Hollow shaft 12mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS Stock No. 820-3702
Mfr. Part No.EIL580-SC10.5BN.01000.A
BrandBaumer
$357.05
Each
units
Optical 1000 12000rpm HTL/Push Pull Solid shaft 10mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS Stock No. 179-7714
Mfr. Part No.D8.C100.0500.A441.2000
BrandKubler
$1,212.79
Each
units
Measuring - - Analogue - - 5 V dc 12 Bit - IP67 - 108mm 98mm 68.4mm
RS Stock No. 499-7829
Mfr. Part No.BHK 16.05A.0360-I2-5
BrandBaumer
$638.17
Each
units
Optical 360 12000rpm RS422, TTL Hollow shaft 12mm 5 V dc - - IP42 - - 40 Dia.mm -
RS Stock No. 922-6866
Mfr. Part No.HEDS-5500#A11
BrandBroadcom
$55.38
Each (In a Tray of 25)
units
Incremental - 30000rpm Push Pull - - -0.5 → 7 V dc 500 CPR - - - 18.3mm 41.1mm 30mm
RS Stock No. 499-7734
Mfr. Part No.BHF 16.25W.1024-12-5
BrandBaumer
$1,424.10
Each
units
Optical 1024 12000rpm HTL/Push Pull Hollow shaft 12mm 4.5 → 30 V dc - - IP42 - - 58 Dia.mm -
RS Stock No. 179-7728
Mfr. Part No.D8.3B1.0300.A333.0000
BrandKubler
$946.14
Each
units
- - - - - - 30 V dc - - IP65 - 168.3mm 110mm 45mm
RS Stock No. 822-6452
Mfr. Part No.E6A2-CW5C 100P/R 0.5M
BrandOmron
$357.20
Each
units
Incremental 100 5000rpm NPN Open Collector Solid 4mm 12 → 24 V dc 100 ppr - IP50 - 46.5mm 22 Dia.mm -
New
RS Stock No. 201-3658
Mfr. Part No.AFS60A-BHIB262144
BrandSick
$1,147.73
Each
units
Absolute 262144ppr 6000rpm - Blind Hollow 15mm 10 to 30 V dc 18 Bit 262144 IP65 - - 60 mm dia. 71.5mm
RS Stock No. 822-6389
Mfr. Part No.E6C2-CWZ6C 100P/R 2M
BrandOmron
$616.97
Each
units
Incremental 100 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc 100 ppr - IP64 - 66.59mm 50 Dia.mm -
RS Stock No. 820-3698
Mfr. Part No.EIL580-SC10.5FN.04096.A
BrandBaumer
$378.40
Each
units
Optical 4096 12000rpm HTL/Push Pull Solid shaft 10mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS Stock No. 173-5552
Mfr. Part No.DPL12SH2424A25K1
$9.257
Each (In a Box of 500)
units
Incremental 24 60rpm Quadrature Solid 6mm 5 V dc - - - - 25mm 13.2mm 12.4mm
RS Stock No. 179-7727
Mfr. Part No.D8.3B1.0300.A223.0000
BrandKubler
$1,269.70
Each
units
- - - Analogue - - 12 → 30 V dc - - IP65 - 168.3mm 110mm 45mm
RS Stock No. 820-3695
Mfr. Part No.EIL580-SC10.5FN.02048.A
BrandBaumer
$298.10
Each
units
Optical 2048 12000rpm HTL/Push Pull Solid shaft 10mm 8 → 30 V dc - - IP65 - - 58 Dia.mm -
RS Stock No. 167-0119
Mfr. Part No.ENT1J-D28-L00128L
BrandBourns
$81.91
Each (In a Tray of 42)
units
Optical 128 3000rpm Push Pull Solid 1/4in 5 V dc 2 Bit - IP40 - - 22.2 Dia.mm 23.37mm
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