ATM90-ATA12x12 SICK SSI ABSOLUTE ENCODERS
We provide ATM90-ATA12x12 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.


Detailed technical data
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 bitx 12 bit(4,096 x4,096) |
| 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 or | 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) | Lactive (L=0-1,5V,H=2,0-Us V) |
Electronics
| Connection type | Male connector, M23, 12-pin, radial |
|---|---|
| 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 | 153.77gcm² |
| Bearing lifetime | 3.6x10⁹ revolutions |
| Angular acceleration | ≤600,000rad/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..2,000 Hz(EN60068-2-6) |

