- Solid shaft with key
- Solid shaft without key
Bearing Design
- Reinforced bearings for higher axial load capacity (option)
Mounting Positions
- Any mounting position.
Lubricants and Maintenance
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life
- Maintenance-free
Paint Finish
- Housing and connector black RAL 9005
- Motor cover b-side magenta RAL 4010
Synchronous Servo Motor EZ
- Extremely compact.
- Highest power per unit volume.
- Large torque.
- High dynamic.
Synchronous Servo Motor EZ
External Fan
- According to DIN EN 60034-6, IC416
- To increase torque and continuous performance.
- In case of higher surrounding temperatures.
- Also available as a retrofit kit.
External Fan
Motor Brake
Optionally the motor b-side can be equipped with a permanent magnet holding brake.
EZ Brake
Encoder
Absolute value encoder EnDat® 2.1 or EnDat® 2.2
- Optical or inductive measuring principle
- High system accuracy with up to 23 bits resolution
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Additional information transferred with the position value (EnDat® 2.2)
- Compatible with STOBER drive controllers and drive controllers of many third-party manufacturers
Resolver
- High temperature resistance
- High vibration strength and shock resistance
Power and Encoder Interface
- Rotating plug connectors with quick lock.
- Option: Supplied with mating connectors.
EZ Connection Method
Encoder One Cable Solution (OCS)
HIPERFACE DSL One Cable Solution (OCS)
- Significantly reduced wiring effort by eliminating the encoder cable
- Significantly reduced space requirements by eliminating the encoder plug connector
- High system accuracy with up to 20 bits resolution
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Additional information transferred with the position value
Power and Encoder Interface One Cable Solution (OCS)
- Rotating plug connector with quick lock (connection lines between the encoder and drive controller are routed along in the motor's power cable).
- Option: Supplied with mating connector.
EZ Connection Method (OCS)
Winding Protection
PTC thermistors are installed in STOBER synchronous servo motors as a configuration feature to implement thermal winding protection. This makes it possible for the motor to exceed the maximum permitted winding temperature with the appropriate devices turned off.
Drive Controller Recommendation
- POSIDRIVE MDS 5000 with power range 0.75 to 45 kW
- POSIDYN SDS 5000 with power range 0.75 to 45 kW
- SD6 with power range 0.75 kW to 45 kW
- SI6 with power range 0.75 kW to 25.9 kW
For further information see Drive Controllers
| Type | Ratio | Max. perm. acceleration torque [Nm] | Stall torque on the gear unit output [Nm] | Max. perm. input speed in cyclic operation [1/min] | Backlash [arcmin] | Torsional stiffness [Nm/arcmin] |
| PA321 | 3 – 10 | 15 – 65 | 4.9 – 43 | 6000 – 8000 | 2 | 4 – 5.7 |
| PA322 | 12 – 50 | 32 – 65 | 11 – 45 | 8000 | 3 | 4.1 – 4.6 |
| PA421 | 3 – 10 | 25 – 120 | 11 – 85 | 5500 – 7000 | 2 | 9 – 13 |
| PA422 | 12 – 80 | 32 – 120 | 11 – 89 | 6500 – 8000 | 3 | 9.2 – 11 |
| PA521 | 3 – 10 | 58 – 300 | 23 – 230 | 4500 – 6500 | 1 | 25 – 36 |
| PA522 | 12 – 70 | 97 – 300 | 32 – 229 | 6000 – 7000 | 2 | 25 – 28 |
| PA721 | 3 – 10 | 155 – 700 | 77 – 456 | 3700 – 6000 | 1 | 50 – 65 |
| PA722 | 12 – 80 | 182 – 700 | 66 – 532 | 5000 – 6500 | 2 | 52 – 54 |
| PA821 | 3 – 10 | 422 – 1392 | 194 – 729 | 3000 – 4500 | 1 | 153 – 220 |
| PA822 | 12 – 100 | 467 – 1600 | 219 – 1234 | 4500 – 6000 | 2 | 148 – 172 |
