For machines originally equipped with AG661 15-466115000000, a customized replacement solution can be provided to replicate the original encoder’s function while preserving the existing mechanical layout. The goal of this replacement is straightforward: keep the mounting dimensions, shaft interface, and electrical connection consistent, so the encoder can be exchanged during maintenance without redesigning brackets, couplings, or control cabinets.
The AG661 15-466115000000 belongs to the multi-turn absolute SSI encoder family and is commonly used where position information must remain available after power loss. The replacement unit follows the same SSI Gray code protocol, ensuring that the data frame, timing behavior, and bit structure remain compatible with the configured PLC or motion controller. Position feedback is delivered with a combined resolution of 4096 steps per revolution and 4096 multi-turn counts, supporting precise motion control over long travel distances or repeated cycles. With a wide DC 10–32 V supply range, the encoder operates reliably in typical industrial power networks. The mechanical design emphasizes stable bearings and a rigid housing, allowing continuous operation at higher shaft speeds while maintaining resistance to vibration and external shock.


As a result, the AG661 15-466115000000 replacement encoder is well suited for applications such as automated handling equipment, lifting systems, transfer cars, and other installations where absolute position feedback is critical for safety and process consistency.
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 |

