In systems where stable absolute position feedback is required over long service cycles, a customized replacement can be supplied for AG661 16-466116000000 without altering the original mechanical or electrical design. This replacement approach focuses on functional equivalence rather than generic substitution, allowing the encoder to be integrated directly into existing equipment with minimal commissioning effort.
From a technical standpoint, the AG661 16-466116000000 is a multi-turn absolute encoder using an SSI Gray interface, and the replacement encoder maintains the same communication logic to ensure compatibility with the configured control system. Position data is transmitted with a resolution of 4096 steps per single turn combined with 4096 multi-turn counts, enabling accurate tracking even after power interruptions. The encoder operates within a DC 10–32 V supply range, making it suitable for industrial environments with fluctuating power conditions. Mechanically, the design supports high rotational speeds while maintaining resistance to vibration and shock, which is critical for mobile equipment and continuously running machinery.


This customized replacement is commonly applied in areas such as automated transfer units, lifting mechanisms, and positioning systems where dependable absolute feedback is essential for both control accuracy and operational safety.
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 |

