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RE22 rotary magnetic shaft encoder

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RE22 rotary magnetic shaft encoder

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The RE22 is a compact, high-speed rotary magnetic encoder designed for use in harsh environments. The traditional design allows for easy integration to existing machines.

 

A magnet is mounted to the shaft within the encoder body. Rotation of this magnet is sensed by a custom encoder chip within the body, and processed to give the required output format.

 

The encoder chip processes the signals received to provide resolutions to 13 bit (8192 positions per revolution) with operational speeds to 30,000 rpm. Output signals are provided in industry standard absolute, incremental or analogue formats.

 

The compact encoder body is just 22 mm in diameter and provides dirt immunity to IP68. The RE22 can be used in a wide range of applications including marine, medical, print, converting, industrial automation, metal working and instrumentation.

 

RE22AC – Analogue sinusoidal outputs
Outputs

Signal amplitude 1.1 ± 0.2 Vpp
Signal offset Vdd/2 ± 5 mV
Max. cable length 3 m
Maximum speed

30,000 rpm
Internal serial impedance  720 Ω
RE22BC – Analogue complementary sinusoidal outputs
Outputs

Signal amplitude 0.5 ± 0.1 Vpp

Signal offset Vdd/2 ± 5 mV
Max. cable length  20 m
Maximum speed

30,000 rpm
Internal serial impedance

100 Ω
RE22IC – Incremental outputs
Output signals A, B, Z, A-, B-, Z- (RS422A)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 50 m
RE22SC – Absolute binary synchro-serial interface (SSI)
Output code Natural binary
Data outputs Serial data (RS422A)
Data inputs Clock (RS422A)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 100 m (at 1 MHz)

 

RE22Vx – Linear voltage output
Nonlinearity 1% 
Max. cable length 20 m
Maximum speed 30,000 rpm
Output type and electrical variant

φFS

360°

180°

90°

45°

CW

VA

VB

VC

VD

CCW

VE

VF

VG

VH

 
RE22AC – Analogue sinusoidal outputs
Power supply

Vdd = 5 V ± 5%
Current consumption 20 mA
RE22BC – Analogue complementary sinusoidal outputs
Power supply Vdd = 5 V ± 5%
Current consumption 20 mA
RE22IC – Incremental outputs
Power supply Vdd = 5 V ± 5%
Current consumption

35 mA
RE22SC – Absolute binary synchro-serial interface (SSI)
Power supply Vdd = 5 V ± 5%
Current consumption

35 mA 
RE22Vx – Linear voltage output
Power supply Vdd = 5 V ± 5%
Current consumption Typ. 26 mA
Output voltage 0 V to Vdd
Output loading Max. 10 mA
RE22AC – Analogue sinusoidal outputs
Temperature
Operating and storage 

-40 °C to +120 °C
RE22BC – Analogue complementary sinusoidal outputs
Temperature
Operating and storage

-40 °C to +85 °C
RE22IC – Incremental outputs
Temperature
Operating and storage

-40 °C to +120 °C
RE22SC – Absolute binary synchro-serial interface (SSI)
Temperature
Operating and storage

-40 °C to +120 °C
RE22Vx – Linear voltage output
Temperature
Operating and storage 

-40 °C to +120 °C

 

Features

  • Excellent immunity to IP68
  • High speed operation to 30,000 rpm
  • Compact - 22 mm diameter body
  • Absolute - to 13 bit (8192 counts per revolution)
  • Industry standard absolute, incremental and analogue output formats
  • Accuracy to ±0.3°
  • Power supply 5 V
  • Simple integration
  • RoHS compliant (lead free)

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