ATM90-PTG12x12 SICK PROFIBUS ABSOLUTE ENCODERS
We provide ATM90-PTG12x12 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
| Parameter | Value |
|---|---|
| MTTFD (mean time to dangerous failure) | 150 years (EN ISO 13849-1) |
Performance
| Parameter | Value |
|---|---|
| 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 (4,096x4,096) |
| Measuring step | 0.043" |
| Error limits G | ±0.25° |
| Repeatability standard deviation | 0.1° |
Interfaces
| Parameter | Value |
|---|---|
| Communication interface | PROFIBUS DP |
| Communication Interface detail | DPVO |
| Data protocol | Profile for encoders (07hex) - Class 2 |
| Address setting | 0....127, DIP switches or protocol |
| Data transmission rate (baud rate) | 9.6 kBaud....12 MBaud, automatic detection |
| Initialization time | 1.250 ms |
| Position forming time | 0.25 ms |
| Status information | LED green (operation), LED red (bus activity) |
| Bus termination | DIP switch 21 |
| Set (electronic adjustment) | Via PRESET push button or protocol |
Electronics
| Parameter | Value |
|---|---|
| Connection type | Cable gland |
| Supply voltage | 10...32V |
| Power consumption | ≤2W (without load) |
Mechanics
| Parameter | Value |
|---|---|
| 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 | ≤3,000 min⁻¹ |
| Moment of inertia of the rotor | 153 gcm² |
| Bearing lifetime | 3.6x10⁹ revolutions |
| Angular acceleration | ≤600,000 rad/s² |
Ambient data
| Parameter | Value |
|---|---|
| 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...+80°C |
| Storage temperature range | -40°C...+100°C, without package |
| Resistance to shocks | 6g, 20ms (EN 60068-2-27) |
| Resistance to vibration | 20g, 10 Hz..2,000 Hz (EN 60068-2-6) |

