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Home › Selection & Replacement › AG661 21 – 466121000000 | 1:1 Absolute Encoder Replacement

AG661 21 – 466121000000 | 1:1 Absolute Encoder Replacement

EncoderWorks Team
7 monthsago

Rather than relying on a universal substitute, applications specified with AG661 21 – 466121000000 typically require a replacement encoder that aligns closely with the original system design. A customized replacement solution can therefore be provided to ensure that the encoder integrates smoothly into the existing mechanical structure and control architecture.

The replacement encoder is configured as a multi-turn absolute device using an SSI interface with Gray code transmission, matching the original communication logic. It delivers a combined resolution of 4096 counts per revolution and 4096 multi-turn revolutions, enabling precise absolute position feedback across extended operating ranges. The unit operates from a DC 10–32 V supply and supports SSI clock frequencies up to 300 kHz, allowing reliable data exchange in motion control environments with moderate to high update rates. Mechanically, the encoder is designed for continuous operation at shaft speeds up to 8000 rpm, with internal reinforcement providing resistance to 100 g shock and 20 g vibration. The sealed IP67 housing ensures protection against dust and moisture in industrial settings.

AG661 21 – 466121000000 | 1:1 Absolute Encoder Replacement-EncoderWorks
AG661 21 – 466121000000 | 1:1 Absolute Encoder Replacement-EncoderWorks

This AG661 21 – 466121000000 replacement encoder is suitable for automated logistics systems, lifting and hoisting equipment, transfer mechanisms, and other installations where dependable absolute position information is required to maintain safe and repeatable motion.

Technical data

ParameterValueUnit
Max. permissible speed6000rpm^-1
Permissible angular acceleration of rotor10^5rad \cdot s^-2
Moment of inertia of rotor45gcm^2
Max. starting torque at 25°C1Ncm
Max. load on shaft
- With standard shaftaxial: 50 / radial: 200N
- With expanding shaftaxial: 10 / radial: 20N
Service life of ball bearings (at 10 N axial/radial load @ 3000 $rpm^{-1}$)25000h
Vibration, sinusoidal 100 Hz100ms^-2
Radial impacts on the flange within 10 ms300ms^-2
ProtectionSee option concerned-
Relative humidity95%
Temperature rangeSee option concerned-
Weightapprox. 0.4kg
ParameterValueUnit
Max. step frequency100kHz
Supply voltage10 ... 32V
Max. power consumption3.7W
Angular error10^-3rad
Pick-up codeGray single-step-
TransmittersGaAlAs diodes-
MTBF10^5h
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Email: encoderworks@outlook.com

AG661 20 – 466120000000 | 1:1 Customized Absolute Encoder Replacement

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WeChat:+86 150 5045 0799 ( WhatsApp) Email:encoderworks@outlook.com