We can supply a 1:1 customized replacement for the ASM58N-F3AK1RHGN-1212 multiturn absolute encoder, with a standard delivery time of 10 working days. The replacement model retains the same mechanical dimensions, electrical specifications, and SSI communication protocol as the original encoder, ensuring direct installation without software or wiring modifications. This design provides a seamless alternative for maintenance or OEM applications requiring precise feedback control.
Built with a 30-bit multiturn architecture, the encoder offers high-resolution and accurate position detection over multiple revolutions. The RS422 optically isolated SSI interface ensures signal integrity under industrial conditions, while the recessed hollow shaft and torque rest structure provide stable, vibration-resistant performance. As a hardware encoder, it responds instantly to the controller’s clock signals—ideal for real-time motion control systems demanding reliability and consistency.
Replacement solution image.


Technical data
| Parameter | Value |
|---|---|
| General specifications | |
| Detection type | photoelectric sampling |
| Device type | Multiturn absolute encoder |
| Electrical specifications | |
| Operating voltage | 4.5 ... 30 V DC |
| No-load supply current | max. 180 mA |
| Time delay before availability | < 250 ms |
| Linearity | ± 2 LSB at 16 Bit, ± 1 LSB at 13 Bit, ± 0.5 LSB at 12 Bit |
| Output code | Gray code, Binary code |
| Code course (counting direction) | cw descending (clockwise rotation, code course descending) |
| Interface | |
| Interface type | SSI |
| Monoflop time | 20 ± 10 μs |
| Resolution | - Single turn: up to 16 Bit- Multiturn: 14 Bit- Overall resolution: up to 30 Bit |
| Transfer rate | 0.1 ... 2 MB/s |
| Voltage drop | V |
| Standard conformity | RS 422 |
| Input 1 | |
| Input type | Selection of counting direction (cw/ccw) |
| Signal voltage | - High: 4.5 ... 30 V- Low: 0 ... 2 V |
| Input current | < 8 mA |
| Switch-on delay | < 10 ms |
| Connection | |
| Connector | type 9416 (M23), 12-pin, type 9416L (M23), 12-pin |
| Cable | 67 mm, 8 × 2.0 × 0.14 mm², 1 m |
| Standard conformity | |
| Degree of protection | DIN EN 60529, IP65 (without shaft seal); DIN EN 60529, IP66/IP67 (with shaft seal) |
| Shock resistance | DIN EN 60068-2-27, 100 g, 6 ms |
