Description
The Siemens 1FK7101-2AF71-1UA0 is a permanent-magnet synchronous servo motor from the SIMOTICS S-1FK7-CT (Compact Torque) product family, engineered for high-performance motion control applications, industrial machinery, and multi-axis automated manufacturing systems.
In field installations, this motor operates in conjunction with SINAMICS S120 multi-axis drive systems, providing high dynamic response, precise torque delivery, and accurate closed-loop positioning capabilities compliant with IEC standards.
Technical Specifications
| Parameter | Value |
| Manufacturer | Siemens |
| Product Series | SIMOTICS S-1FK7 (Compact Type) |
| Model / MLFB | 1FK7101-2AF71-1UA0 |
| Rated Output Power | 4.90 kW |
| Stall Torque | 27.0 Nm (at 100 K) |
| Rated Torque | 15.5 Nm |
| Rated Speed | 3,000 rpm |
| Rated Current | 11.6 A |
| DC Link Voltage | 600 V DC (compatible with 510 to 720 V DC supply) |
| Feedback System | Multi-pole resolver with DRIVE-CLiQ interface |
| Shaft Design | Shaft with feather key and keyway (tolerance N) |
| Holding Brake | Without integrated holding brake |
| Enclosure Protection | IP64 |
| Cooling Type | Natural convection (IC 410) |
Procurement and Availability
- Condition: New Surplus / Factory Sealed / Refurbished Tested options available upon request.
- Lead Time: 1 to 3 business days for stock items; verify factory availability for specific build configurations.
- Warranty: 12-month standard warranty from date of shipment.
- Price: Indicative market pricing applies. Price subject to market conditions; contact us for a firm quote.
Integration and Compatibility Notes
The 1FK7101 requires matched power and signal cable assemblies connected to a compatible SINAMICS S120 Control Unit and Motor Module configuration.
- Drive Compatibility: Designed specifically for operation with SINAMICS S120 inverter systems using DRIVE-CLiQ communication for automatic motor parameter identification and configuration.
- Thermal Monitoring: Features integrated thermal sensors embedded within the stator winding connected directly via the feedback interface to prevent thermal overload and damage during high load cycles.
- Mechanical Alignment: Features a standard flange mounting (IM B5 design). Ensure strict alignment tolerances and dynamic balancing of coupled loads to protect internal shaft bearings from excessive radial and axial stress.
Frequently Asked Questions
Q: Can this servo motor be driven without a DRIVE-CLiQ cable? A: The integrated resolver includes a DRIVE-CLiQ interface for digital data exchange with Siemens controllers. Standard resolver wiring paths must match the designated pinouts on the drive control module if legacy feedback parsing is utilized.
Q: Does this specific model include an electromagnetic holding brake? A: No. The “-1UA0” configuration variant does not feature an integrated holding brake. Vertical axis applications requiring gravity load-holding must utilize an external mechanical brake mechanism or a motor variant equipped with an internal brake.
Q: What is the primary difference between natural cooling and forced ventilation for this frame size? A: Natural cooling (IC 410) relies entirely on ambient air convection across the motor housing surface. Operating environments must remain within standard temperature thresholds (0 to +40 °C) to prevent continuous thermal derating.
