For the GM400.012A002 and GM400.A12A002 models, we offer a fully compatible SSI encoder 1:1 replacement designed to meet the same technical and operational requirements as the original units. The replacement maintains identical interface characteristics, resolution structure, and signal timing, ensuring smooth substitution in existing installations.
The encoder operates with an SSI interface and provides absolute multiturn position information with a combined resolution of 25 bits. This includes high-precision singleturn measurement and reliable multiturn counting across multiple revolutions. The system supports stable data acquisition at high sampling rates, making it suitable for applications with strict real-time control demands.
Mechanical compatibility is ensured through standardized flange options and shaft interfaces, allowing direct installation without mechanical redesign. The encoder housing and internal design are optimized for industrial environments, with resistance to vibration, shock, and electrical interference. Continuous self-monitoring functions detect abnormal operating conditions such as signal inconsistencies or internal component faults, contributing to predictive maintenance strategies.
This 1:1 replacement encoder is well suited for applications in automated production lines, positioning systems, and industrial machinery where accurate absolute feedback and dependable long-term performance are required.
Technical data
| Parameter | Value |
| Supply voltage | 10...30 VDC with reverse voltage protection |
| Current consumption | Max. 50 mA (w/o load) for 24 VDC |
| SSI pulse frequency | 62.5 kHz up to 1.5 MHz |
| Mono-flop time | 20 μs |
| Pulse space | Min. 25 μs |
| Code switching speed for sampling | 800 kHz |
| Deviation of sampling measuring step | 0.025 degree at 400 kHz 0.05 degree at 800 kHz |
| Electric connector | The electric connector must not be plugged on or removed whilst under voltage. |
| Parameter | Value |
| RPM value | mechanical: Max. 10,000 RPM electrical: Max. 6,000 RPM |
| Anlauf-Drehmoment | w/o seal (IP54): < 0.010 Nm with seal (IP65): < 0.015 Nm |
| Shaft loading | axial: < 20 N radial: < 40 N |
| Inertia torque | 2 x 10⁻⁶ kgm² |
| Material | Housing: Steel Flange: Aluminium |
| Weight | Approximately 400 g |
| Parameter | Value |
| Ambient temperature | -20...+60 °C |
| Storage temperature | -20...+70 °C |
| Protection to | Shaft w/o seal: IP 54 Shaft with seal: IP 65 |
| Relative humidity | Max. 95 %, non-condensing |
| Endurance - Vibration | IEC 68 Section 2 - 6 (≤100 m/s² / 16-2000 Hz) |
| Endurance - Shock | IEC 68 Section 2 - 27 (≤2000 m/s² / 6 ms) |
| Interference immunity | EN 50082-2 EN 61000-4 - 2 to 4 Severity grade 3 |
| Emmited interference | EN 50081-2 |
