Our replacement for the ASM58I-F3AAAA0GN-1212 encoder is fully compatible in mechanical size, connector pinout, and SSI interface protocol. It features a 58 mm robust housing, solid shaft output, and consistent digital communication for position control systems. Each replacement unit follows a standard 10 working day delivery schedule.
The encoder delivers high-resolution feedback for multiturn applications, offering stable performance in continuous operation environments. Its compact and ruggedized design ensures precise readings even under vibration and temperature fluctuations. Ideal for industrial drives and automation lines, this model provides a reliable and cost-effective replacement solution.
Replacement solution image.


Technical Data
| Parameter | Value |
|---|---|
| General specifications | |
| Detection type | photoelectric sampling |
| Device type | Multiturn absolute encoder |
| Functional safety related parameters | |
| MTTFₐ | 150 a |
| Mission Time (Tₘ) | 20 a |
| L₁₀ₙ | 1.9 E+11 at 6000 rpm and 20/40 N axial/radial shaft load |
| Diagnostic Coverage (DC) | 0 % |
| Electrical specifications | |
| Operating voltage (U₈) | 4.5 … 30 V DC |
| No - load supply current (I₀) | max. 180 mA |
| Time delay before availability (tᵥ) | < 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 MBits |
| Voltage drop (U₈) | - 2.5 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 | < 6 mA |
| Signal duration | min. 100 ms |
| Switch - on delay | < 10 ms |
| Input 2 | |
| Input type | zero - set (PRESET 1) |
| Signal voltage | |
| - High | 4.5 … 30 V |
| Connection | |
| Connector | type 9416 (M23), 12 - pin, type 9416L (M23), 12 - pin |
| Cable | ∅7 mm, 6 × 2 × 0.14 mm², 1 m |
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