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) |
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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 |
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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) |
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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 |
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Supply voltage | 10...32V |
Power consumption | ≤ 0.8W (without load |
Reverse polarity protection |
Mechanics
Mechanical design | Through hollow shaft |
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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 |
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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) |