During equipment upgrades or maintenance cycles, maintaining positional consistency is often more critical than introducing new features. For installations originally using AG661 24 – 466124000000, a customized replacement encoder can be supplied to preserve the original feedback behavior while fitting seamlessly into the existing mechanical and electrical layout.
The replacement encoder is engineered as a multi-turn absolute encoder with SSI Gray-code output, ensuring that the transmitted position data structure and timing remain aligned with the configured control system. It delivers a combined resolution of 4096 counts per revolution and 4096 multi-turn revolutions, providing stable absolute position information even after power interruptions. Operating from a DC 10–32 V supply, the encoder supports SSI communication rates up to 300 kHz, which is suitable for continuous motion monitoring. Mechanically, the design supports shaft speeds up to 8000 rpm and is reinforced to tolerate 100 g shock and 20 g vibration, contributing to reliable operation in dynamic industrial environments. The IP67-rated housing protects internal components against dust ingress and moisture exposure.


This AG661 24 – 466124000000 replacement encoder is appropriate for use in material handling equipment, lifting systems, automated transfer units, and other applications where accurate absolute position feedback is required to ensure consistent and controlled operation.
Technical data
| Parameter | Value | Unit |
| Max. permissible speed | 6000 | rpm^-1 |
| Permissible angular acceleration of rotor | 10^5 | rad \cdot s^-2 |
| Moment of inertia of rotor | 45 | gcm^2 |
| Max. starting torque at 25°C | 1 | Ncm |
| Max. load on shaft | ||
| - With standard shaft | axial: 50 / radial: 200 | N |
| - With expanding shaft | axial: 10 / radial: 20 | N |
| Service life of ball bearings (at 10 N axial/radial load @ 3000 $rpm^{-1}$) | 25000 | h |
| Vibration, sinusoidal 100 Hz | 100 | ms^-2 |
| Radial impacts on the flange within 10 ms | 300 | ms^-2 |
| Protection | See option concerned | - |
| Relative humidity | 95 | % |
| Temperature range | See option concerned | - |
| Weight | approx. 0.4 | kg |
| Parameter | Value | Unit |
| Max. step frequency | 100 | kHz |
| Supply voltage | 10 ... 32 | V |
| Max. power consumption | 3.7 | W |
| Angular error | 10^-3 | rad |
| Pick-up code | Gray single-step | - |
| Transmitters | GaAlAs diodes | - |
| MTBF | 10^5 | h |

