ATM90-ATK12x12 SICK SSI ABSOLUTE ENCODERS
We provide ATM90-ATK12x12 encoder replacement solutions, the use of non-standard form for the production of alternative products, the application parameters of all 1:1. Perfect replacement of the prototype encoder, to solve the procurement and other challenges. The picture is the real photo of the replacement solution.


Safety-related parameters
| MTTF (mean time to dangerous failure) | 150 years (EN ISO 13849-1) |
|---|
Performance
| Number of steps per revolution (max. resolution) | 4,096 (12 bit) |
|---|---|
| Number of revolutions | 4.096 (12 bit) |
| Max. resolution (number of steps per revolution x number of revolutions) | 12 bit x 12 bit (4,096 x 4,096) |
| Resolution | Ex-works: 4,096 steps x 4,096 revolutions, Gray-Code, Set = 0 factory-programmed. Other configurations on request. |
| Measuring step | 0.043° |
| Error limits G | ±0.25° |
| Repeatability standard deviation | 0.1° |
Interfaces
| Communication interface | SSI |
|---|---|
| Initialization time | 1,050 ms |
| Position forming time | 0.15 ms |
| Parameterising data | Number of steps per revolution, Number of revolutions, Code type, Electronic adjustment |
| Code type | Gray, binary |
| Code sequence parameter adjustable | CW/CCW (V/R) |
| Clock frequency | 1 MHz |
| Set (electronic adjustment) | H-active (L=0-4.7V, H=10-Us V) |
| cw/ccw (counting sequence when turning) | L-active (L=0-1.5V, H=2.0-Us V) |
Electronics
| Connection type | Cable, 12-wire, radial, 1.5m |
|---|---|
| Supply voltage | 10...32V |
| Power consumption | ≤ 0.8W (without load) |
| Reverse polarity protection | - |
Mechanics
| Mechanical design | Through hollow shaft |
|---|---|
| Shaft diameter | 12 mm |
| Weight | 0.8 kg |
| Shaft material | Stainless steel |
| Flange material | Aluminum |
| Start up torque | 0.5 Ncm (+20°C) |
| Operating torque | 0.4 Ncm (+20°C) |
| Operating speed | ≤ 2,000 min⁻¹ |
| Moment of inertia of the rotor | 153.77 gcm² |
| Bearing lifetime | 3.6x10⁹ revolutions |
| Angular acceleration | ≤600,000 rad/s² |
Ambient data
| EMC | According to EN 61000-6-2 and EN61000-6-3 |
|---|---|
| Enclosure rating | IP65, with shaft seal (IEC 60529) |
| Permissible relative humidity | 98% |
| Operating temperature range | -20°C...+70°C |
| Storage temperature range | -40 °C...+100°C, without package |
| Resistance to shocks | 100g, 6ms (EN 60068-2-27) |
| Resistance to vibration | 20g, >10Hz (EN 60068-2-6) |
Certificates
| EU declaration of conformity |
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| UK declaration of conformity |
| ACMA declaration of conformity |
| Moroccan declaration of conformity |

