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. 860-2792
Mfr. Part No.SR060E-25-2-3-132-V100
BrandKubler
SGD696.19
Each
units
- - 500rpm - Hollow 25mm 240 V ac/dc - - IP64 - - 58mm 89mm
RS Stock No. 822-6389
Mfr. Part No.E6C2-CWZ6C 100P/R 2M
BrandOmron
SGD577.32
Each
units
100 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc 100 ppr - IP64 - 66.59mm 50 Dia.mm -
RS Stock No. 744-5334
Mfr. Part No.E6B2CWZ6C500PR2M
BrandOmron
SGD329.64
Each
units
500 Incremental 6000rpm NPN Open Collector Solid 6mm 5 → 24 V dc - - IP50 - 59mm - -
RS Stock No. 291-4406
Mfr. Part No.RS0-532-315
BrandHengstler
SGD615.93
Each
units
5000 Incremental 6000rpm RS422 Hollow 12mm 5 V dc - - IP64, IP65 RS422 41.5mm - -
RS Stock No. 441-6112
Mfr. Part No.8.3720.5621.0500
BrandKubler
SGD303.69
Each
units
500 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 714-0237
Mfr. Part No.AEAT-601B-F06
BrandBroadcom
SGD42.96
Each
units
256 Incremental 12000rpm Quadrature - - 4.5 → 5.5 V dc - - - - - - -
RS Stock No. 178-3257
Mfr. Part No.AEAT-601B-F06
BrandBroadcom
SGD36.17
Each (In a Box of 80)
units
256 Incremental 12000rpm Quadrature - - 4.5 → 5.5 V dc - - - - - - -
RS Stock No. 918-9086
Mfr. Part No.8.KIS40.1362.1024
BrandKubler
SGD187.62
Each
units
1024 Incremental - RS422 Solid 6mm 5 V dc - - IP64 RS422 - 40mm 61.3mm
RS Stock No. 822-8398
Mfr. Part No.3030AN
BrandHoneywell
SGD124.48
Each
units
- - - - - - - - - - - - - -
RS Stock No. 712-5424
Mfr. Part No.DFS60B-S4PA10000
BrandSick
SGD411.20
Each
units
10000 Incremental - HTL, TTL Solid 10mm 5 → 32 V dc - - IP65, IP67 - 40.1mm - -
RS Stock No. 436-0378
Mfr. Part No.05.2400.1122.0360
BrandKubler
SGD234.14
Each
units
360 Incremental 12000rpm Push Pull - - 5 → 24 V dc - - IP65 - 31mm - -
RS Stock No. 796-7806
Mfr. Part No.AEDB-9140-A13
BrandBroadcom
SGD50.41
Each
units
500 Incremental - Push Pull - - -0.5 → 7 V dc 500 CPR - - - 13.6mm 21.6mm 9.74mm
RS Stock No. 178-3258
Mfr. Part No.AEDB-9140-A13
BrandBroadcom
SGD40.33
Each (In a Bag of 100)
units
- Incremental - Digital - - -0.5 → 7 V dc 500 CPR - - - 13.6mm 21.6mm 9.74mm
RS Stock No. 492-9191
Mfr. Part No.ATM60-P4H13X13
BrandSick
SGD1,019.20
Each
units
8192 Absolute 6000rpm - Solid 10mm 10 → 32 V dc - 8192Steps IP43, IP65, IP66 PROFIBUS 93.8mm - -
RS Stock No. 480-0488
Mfr. Part No.RC58/0013EK.42SGB
BrandHengstler
SGD605.22
Each
units
- Absolute 10000rpm Gray, SSI Solid 10mm 10 → 30 V dc 13 bit - IP64, IP67 SSI-Gray - - -
RS Stock No. 447-6221
Mfr. Part No.D5.2102.2421.1000
BrandKubler
SGD916.92
Each
units
- - - - - - - - - - - - - -
RS Stock No. 666-6915
Mfr. Part No.AD58/0017A1.0KSCB
BrandHengstler
SGD854.94
Each
units
2048 Absolute 10000rpm Gray, SSI - - 5 V dc 17 bit - IP40 SSI-Gray 74.3mm - -
RS Stock No. 441-6106
Mfr. Part No.8.3720.5621.0360
BrandKubler
SGD303.69
Each
units
360 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 818-8830
Mfr. Part No.HEDS-5500#A12
BrandBroadcom
SGD68.07
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. 260-3831
Mfr. Part No.RS0-550-152
BrandHengstler
SGD362.97
Each
units
500 Incremental 10000rpm Push Pull - - 5 V dc - - IP64, IP65, IP67 - 57.5mm - -
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