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Absolute Encoder


Absolute encoders are position feedback devices that report absolute positional information. An absolute encoder generates a unique code for each position. Absolute encoders do not lose position when power is removed. Since each position is unique, true position verification is available as soon as power is up. It is not necessary to initialize the system by returning to home base.


  • Single-turn Absolute Hollow Shaft Encoder

A hollow shaft encoder is one of the most common shaft designs because of its versatility. Instead of having a solid bar that has to match the motor, a hollow shaft encoder fits over the motor shaft and is then clamped in place. It's held in position by a flexible tether. This means that a hollow shaft encoder does not have to be perfectly sized to fit the motor and it does not require any external components which increase its size. A hollow shaft encoder also has a more forgiving installation; the clamp and the tether can be used to adjust the position and to absorb shocks and vibration that could cause misalignment.Hollow shaft encoders are available in two configurations: through-shaft and blind-shaft.

[Manual Download]

Picture Model Outer Dia.
(mm)
Shaft Dia.
(mm)
Resolution
Accuracy Operating Voltage Interface Max Mechanical Speed
(r/min)
Protection Class Operating Temperature pdf
Download
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE58T20 58 20 10-18 bit ±15″ DC5V±5%/DC9-30V RS485/RS422/Parallel 2000 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE206T 206 60-100 21-24 bit ±2″ DC5V±5%/DC9-30V RS485/RS422/RS232 800 IP52 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE165T60 165 60 18-22 bit ±3″ DC5V±5%/DC9-30V RS485/RS422/RS232 600 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE108T36 108 36 12-19 bit ±10″ DC5V±5%/DC9-30V RS485/RS422 600 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE105T25 105 25 12-21 bit ±7.5″ DC5V±5%/DC9-30V RS485/RS422 2000 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE94T30 94 30 12-20 bit ±7.5″ DC5V±5%/DC9-30V RS485/RS422/RS232 1000 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE94T25 94 25 12-20 bit ±7.5″ DC5V±5%/DC9-30V RS485/RS422/RS232 2000 IP54 -20(-40)-+65℃
Absolute Encoder_Single-turn Absolute Hollow Shaft Encoder RDE58T14 58 14 10-18 bit ±15″ DC5V±5%/DC9-30V RS485/RS422/Parallel 2000 IP54 -20(-40)-+65℃
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