We provide a 1:1 replacement solution for the AMG81S29Z0 absolute encoder, engineered to match the original unit’s electrical interface, signal output, and mechanical mounting. This replacement is designed for seamless integration into existing automation systems without requiring changes to PLC programs, network parameters, or motion control logic, making it suitable for maintenance spares, retrofit projects, and system upgrades.
The AMG81S29Z0 encoder delivers optical absolute position feedback with high resolution and excellent stability, suitable for applications demanding precise position information. It operates on a 10–30 V DC supply with reverse polarity protection and supports programmable features such as CW/CCW code sequencing and rotational direction alignment. Built‑in diagnostic functions and the integrated DUO‑LED status indicator provide clear visual feedback on operating status and fault conditions, contributing to improved system reliability.
Mechanically, the replacement maintains the original flange and shaft mounting arrangements, ensuring direct dimensional compatibility with existing machine structures and drive couplings. The encoder design meets industrial standards for interference immunity (DIN EN 61000‑6‑2) and emitted interference (DIN EN 61000‑6‑4), providing stable signal transmission in electrically noisy environments.
This 1:1 replacement solution offers consistent absolute feedback performance, dependable diagnostics, and straightforward installation for systems that require accurate position sensing with minimal integration effort.
Technical Data
| Parameter | Value |
| Voltage supply | 9...30 VDC |
| Consumption w/o load | ≤ 100 mA (per interface SSI) ≤ 250 mA (per interface bus) |
| Initializing time | ≤ 200 ms after power on |
| Interface | SSI, Profibus-DPV0, CANopen® |
| Function | Multiturn |
| Transmission rate | 9.6 ... 12000 kBaud (Profibus) 10 ... 1000 kBaud (CANopen®) |
| Profile conformity | Profibus-DPV0 CANopen® CiA DSP 406 V 3.0 |
| Device address | Rotary switches in bus cover |
| Steps per revolution | 8192 / 13 bit |
| Number of revolutions | 4096 / 12 bit 65536 / 16 bit |
| Additional outputs | Square-wave TTL (RS422) Square-wave HTL |
| Sensing method | Optical |
| Code | Gray (version SSI) |
| Code sequence | CW default |
| Inputs | SSI clock (version SSI) |
| Incremental output | 2048 pulses per revolution |
| Interference immunity | EN 61000-6-2 |
| Emitted interference | EN 61000-6-3 |
| Programmable parameters | Depending on the selected absolute interface |
| Parameter | Value |
| Size (flange) | ø115 mm |
| Shaft type | ø11 mm solid shaft |
| Flange | EURO flange B10 |
| Protection EN 60529 | IP 55 |
| Operating speed | ≤ 3500 rpm (mechanical) |
| Operating torque | ≤ 10 Ncm |
| Rotor moment of inertia | 1.4 kgcm² |
| Admitted shaft load | ≤ 50 N axial ≤ 60 N radial |
| Material | Housing: aluminium alloy Shaft: stainless steel |
| Operating temperature | -20...+85 °C |
| Resistance | IEC 60068-2-6: Vibration 10 g, 10-2000 Hz IEC 60068-2-27: Shock 100 g, 6 ms |
| Explosion protection | II 3 G Ex ec IIC T4 Gc (gas) II 3 D Ex tc IIIB T120°C Dc (dust) (only with option ATEX) |
| Weight approx. | 1.7 kg (depending on version) |
| Connection | Bus cover Flange connector M23, 12-pin (SSI/incremental) |
