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. 909-3304
Mfr. Part No.ROP520
£212.10
Each
Units
10000 Incremental 12000rpm HTL, TTL Hollow 12mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link 64mm 58.5mm 67.7mm
RS Stock No. 909-3301
Mfr. Part No.RVP510
£200.87
Each
Units
10000 Incremental 12000rpm HTL, TTL Solid 10mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link 64mm 58.6mm 80.2mm
RS Stock No. 909-3348
Mfr. Part No.RV3500
£150.15
Each
Units
10000 Incremental 12000rpm HTL, TTL Solid 10mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 58 Dia.mm 79.5mm
RS Stock No. 909-3307
Mfr. Part No.RUP500
£200.87
Each
Units
10000 Incremental 12000rpm HTL, TTL Solid 6mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link 64mm 58.6mm 64mm
RS Stock No. 909-3329
Mfr. Part No.RB3100
£150.15
Each
Units
- Incremental 12000rpm HTL, TTL Solid 6mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 33 Dia.mm 65mm
RS Stock No. 909-3326
Mfr. Part No.RO3500
£158.03
Each
Units
- Incremental 12000rpm HTL, TTL Hollow 12mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 58.5 Dia.mm 68.6mm
RS Stock No. 909-3323
Mfr. Part No.RB3500
£150.89
Each
Units
10000 Incremental 12000rpm HTL, TTL Solid 6mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 33 Dia.mm 65mm
RS Stock No. 909-3339
Mfr. Part No.RV3100
£150.15
Each
Units
- Incremental 12000rpm HTL, TTL Solid 10mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link 64mm 58.6mm 79.5mm
RS Stock No. 909-3310
Mfr. Part No.RA3100
£158.03
Each
Units
10000 Incremental 12000rpm HTL, TTL Hollow 6mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 36.5 Dia.mm 58.5mm
RS Stock No. 909-3313
Mfr. Part No.RA3500
£158.03
Each
Units
- Incremental 12000rpm HTL, TTL Hollow 6mm 4.5 → 30 V dc 10000 I/U - IP64 IO-Link - 36.5 Dia.mm 58.5mm