A customized replacement solution can be provided for the encoder specified as ROD 630 900 28S08-HY LF-90B-S89C (ID:684671-07), focusing on functional equivalence rather than generic substitution. The replacement is engineered to match the original installation concept, including shaft interface, mounting dimensions, and electrical connection, allowing integration into existing equipment without changes to mechanical parts or control parameters.
From a technical perspective, the replacement unit follows the same incremental encoder operating principle, ensuring compatibility with controllers configured for identical signal logic. Pulse output is matched to the original specification, maintaining the required resolution and signal integrity at higher operating speeds. The encoder supports stable operation under industrial voltage conditions and is designed for reliable signal transmission over standard cable lengths. Mechanically, the structure emphasizes bearing stability and housing rigidity to withstand vibration and continuous rotation, which is critical in machine tools, rolling equipment, and automated production lines where consistent incremental feedback is required.
In summary, the ROD 630 900 28S08-HY LF-90B-S89C replacement encoder provides a technically consistent and reliable alternative for maintenance and retrofit scenarios. It is suitable for industrial motion control applications where accurate speed and position feedback, mechanical compatibility, and long-term operational stability are essential.
Technical data
| Feature | Specification |
| Incremental signals | HTLs |
| Output pulse | 100, 300, 500, 600, 900, 1000, 1024, 1200, 2000, 2048, 3000, 4096, 5000 |
| Scanning frequency | ≤ 200kHz |
| Edge separation $a$ | ≥ 0.62 µs |
| System accuracy | Accuracy Class I: ±1/10 SP Accuracy Class II: ±1/5 SP |
| Power supply | 10.8 V to 26.4 V |
| Current consumption | ≤ 70 mA |
| Output current | ≤ 40 mA |
| Electrical connection | • 17-pin MS3102E-20-29P flange socket, radial • 10-pin RM15WTRZ-10P flange socket, radial |
| Shaft | Solid shaft D = 15 mm with feather key |
| Mech. permissible speed $n$ | ≤ 6000 min^-1 |
| Starting torque (at 20°C) | ≤ 0.05$ Nm |
| Moment of inertia of rotor | 9.0 10^-6 kgm^2 |
| Shaft load | Axial: 50 N / Radial: 50 N |
| Vibration (25 to 2000 Hz) | ≤ 100 m/s^2 (JIS C 60 068-2-6, EN 60 068-2-6) |
| Shock (6 ms) | ≤ 1000m/s^2(JIS C 60 068-2-27, EN 60 068-2-27) |
| Operating temperature | -20°C to 70°C |
| Protection (EN 60 529) | IP66 |
| Mass | Approx. 0.7 kg |
