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- Siemens
- 1FK7060-5AF71-1AA0
- Synchronous Servo Motor
- Germany
- 63 mm
- 7.003 kg
- Xiamen, China
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Product Overview
The Siemens 1FK7060-5AF71-1AA0 SIMOTICS S Synchronous Servo Motor is a permanent-magnet synchronous servo motor in the SIMOTICS S-1FK7 Compact family. It has a rated torque of 4.7 Nm at a 100 K temperature rise, a rated speed of 3,000 rpm and an optimum operating power of 1.5 kW. Its naturally cooled construction makes it suitable for industrial motion-control applications that do not require a separate motor-cooling circuit.
This variant uses an incremental sin/cos encoder with a 1 Vpp signal and 2,048 pulses per revolution. The encoder supplies motion feedback to a compatible servo drive, allowing the drive to regulate motor speed and position. Its keyed shaft provides a positive mechanical connection to a compatible coupling or transmission component, while the absence of an integrated holding brake makes it necessary to evaluate load retention separately where the machine requires it.
The motor’s power and signal connectors can be rotated through 270°, which helps when planning cable routing inside machine enclosures and around restricted mounting locations. Its IP64 protection rating and IM B5 mounting arrangement should also be considered when selecting the installation position and planning environmental protection.
For replacement selection, the important details are the incremental encoder interface, keyed shaft, motor-drive compatibility and required torque over the operating cycle. Motors from the same 1FK7 family may look similar but differ in feedback technology, brake configuration and shaft arrangement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model / Order Number | 1FK7060-5AF71-1AA0 |
| Product Family | SIMOTICS S-1FK7 Compact |
| Product Type | Permanent-Magnet Synchronous Servo Motor |
| Rated Power at Optimum Operating Point | 1.5 kW |
| Rated Speed | 3,000 rpm |
| Rated Torque (100 K) | 4.7 Nm |
| Static Torque (100 K) | 6.0 Nm |
| Static Torque (60 K) | 5.0 Nm |
| Rated Current | 3.7 A |
| Maximum Torque | 18 Nm |
| Maximum Mechanical Speed | 7,200 rpm |
| Cooling Method | Natural cooling |
| Mounting Design | IM B5 (IM V1, IM V3) |
| Shaft Design | Shaft with fitted feather key |
| Shaft Tolerance | N |
| Encoder Type | Incremental encoder |
| Encoder Signal | Sin/cos, 1 Vpp |
| Encoder Resolution | 2,048 pulses per revolution |
| Holding Brake | Without integrated holding brake |
| Degree of Protection | IP64 |
| Temperature Monitoring | KTY84 temperature sensor in stator winding |
| Connector Arrangement | Power and signal connectors rotatable by 270° |
| Shaft Height | 63 mm |
| Weight | 7.003 kg |
Product Features
- Permanent-magnet synchronous motor: Produces controlled rotary torque when operated with a compatible servo drive.
- Incremental encoder feedback: Supplies rotor-motion information for closed-loop speed and position regulation.
- 2,048-pulse encoder resolution: Supports motion applications requiring repeatable movement and feedback-based control.
- Keyed shaft: Provides a mechanical interface for compatible couplings and transmission components.
- Natural cooling: Uses the specified cooling arrangement without requiring a separate motor-cooling circuit.
- No integrated holding brake: Requires separate consideration of load-holding needs in applications where the motor must remain stationary after de-energization.
- Rotatable connectors: Allows power and signal connector orientation to be adjusted through 270° for cable-routing purposes.
- KTY84 temperature monitoring: Provides winding-temperature information for compatible drive and monitoring arrangements.
- Multiple mounting orientations: Supports IM B5, IM V1 and IM V3 mounting arrangements, subject to the applicable installation requirements.
Working Principle
The 1FK7060-5AF71-1AA0 converts electrical energy into mechanical rotation through the interaction between the stator’s magnetic field and the rotor’s permanent magnets. A compatible servo drive regulates the current supplied to the motor windings according to the commanded torque, speed or position.
As the shaft rotates, the incremental sin/cos encoder generates feedback signals. The servo drive evaluates these signals to determine rotor movement and speed, then adjusts the motor current to maintain the requested motion. In a packaging machine, for example, this feedback can help control the movement of a feed mechanism or indexing axis during repeated production cycles.
Because the encoder is incremental rather than absolute, the control system may need to establish a reference position after startup or power loss. The appropriate homing method depends on the machine’s reference sensors, controller configuration and positioning requirements.
The keyed shaft transfers motor torque through a compatible mechanical connection. Proper coupling alignment helps limit vibration and unwanted shaft loading. Since this motor has no integrated holding brake, applications involving vertical axes or loads that could move when power is removed need a suitable external holding arrangement where required.
Role in a SIMOTICS S Servo Control Architecture
The 1FK7060-5AF71-1AA0 operates as the rotary actuator in a closed-loop motion-control system. The motion controller defines the required movement, the servo drive regulates motor current, and the incremental encoder supplies feedback for controlling the axis.
Motion Controller → Compatible Servo Drive → 1FK7060-5AF71-1AA0 Motor → Mechanical Transmission → Machine Axis
| System Component | Function | Relationship to the Motor |
|---|---|---|
| 1FK7060-5AF71-1AA0 | Converts electrical power into rotary motion | Executes the commanded movement |
| Compatible Siemens Servo Drive | Regulates motor current, speed and torque | Powers the motor and processes encoder feedback |
| Incremental Encoder | Generates sin/cos feedback signals | Supplies rotor-motion information to the drive |
| Encoder Signal Cable | Transfers feedback signals | Connects the encoder to compatible drive inputs |
| Motor Power Cable | Supplies electrical power | Connects the drive output to the motor |
| Motion Controller / PLC | Executes motion sequences and machine logic | Sends commands to the servo drive |
| Mechanical Coupling | Transfers torque to the driven mechanism | Connects the keyed shaft to the machine transmission |
| Gearbox, Where Required | Adjusts output speed and torque | Matches the motor to the mechanical load |
| KTY84 Temperature Sensor | Monitors winding temperature | Supports compatible temperature monitoring |
| External Holding Mechanism, Where Required | Prevents unwanted load movement | Addresses holding requirements not covered by the motor itself |
Industrial Applications
| Application | Typical Equipment | Role of the Motor |
|---|---|---|
| Packaging Machinery | Feeding, indexing and transfer mechanisms | Supports controlled movement during repeated production cycles |
| Automated Assembly | Positioning and handling stations | Drives mechanisms through programmed motion sequences |
| Manufacturing Equipment | Servo-controlled rotary axes | Supplies torque and encoder feedback for motion regulation |
| Material Handling | Transfer and positioning mechanisms | Provides rotary actuation where motor ratings suit the load |
| Machine Tools | Automated machine mechanisms | Supports speed and position control through a compatible drive |
| Special-Purpose Machinery | Customized servo-driven equipment | Provides a keyed-shaft interface for tailored mechanical assemblies |
| Production-Line Automation | Coordinated machine axes | Supports repeatable movement within a configured control system |
| Industrial Processing Equipment | Servo-driven feed and adjustment mechanisms | Regulates motor motion according to process requirements |
Installation and Maintenance
- Verify the motor reference: Confirm that 1FK7060-5AF71-1AA0 matches the required torque, encoder, shaft and brake configuration.
- Check drive compatibility: Verify that the selected servo drive supports the motor’s electrical ratings and incremental sin/cos 1 Vpp encoder interface.
- Confirm the mounting arrangement: Ensure that the machine interface matches the specified IM B5, IM V1 or IM V3 installation.
- Isolate the equipment: Follow the electrical isolation procedure and secure the driven mechanism before installation or maintenance.
- Inspect the shaft interface: Check the feather key, keyway and mating coupling for damage, wear or incorrect fit.
- Check mechanical alignment: Verify coupling alignment and ensure that the shaft is not subjected to excessive radial or axial loading.
- Connect the power cable: Confirm the motor power connector, cable specification and drive terminal arrangement before energizing the system.
- Connect the encoder cable: Verify the sin/cos feedback wiring, connector condition and compatibility with the selected drive.
- Configure motor parameters: Enter the correct motor and encoder data in the drive, including the applicable feedback resolution.
- Check temperature monitoring: Verify the KTY84 sensor connection and compatible monitoring configuration where used.
- Perform controlled commissioning: Test rotation direction, encoder response, speed regulation and positioning behavior before normal operation.
- Record maintenance findings: Document the motor reference, drive settings, encoder configuration and any abnormal noise, vibration or temperature observations.
Compatible System Components
| Component | Function | Compatibility Consideration |
|---|---|---|
| Compatible Siemens Servo Drive | Supplies regulated power and controls motor motion | Must support the motor’s electrical ratings and incremental encoder interface |
| Motor Power Cable | Carries power from the drive to the motor | Match the motor connector and drive connection requirements |
| Encoder Signal Cable | Transfers incremental feedback signals | Confirm compatibility with the sin/cos 1 Vpp encoder |
| Motion Controller / PLC | Generates motion commands and sequences | Configure according to the drive and machine-control architecture |
| Mechanical Coupling | Transfers torque to the machine | Must match the keyed shaft and mechanical load |
| Gearbox, Where Required | Adjusts output speed and torque | Select according to the load and motion profile |
| Temperature Monitoring Circuit | Monitors motor winding temperature | Confirm compatibility with the KTY84 sensor arrangement |
| External Holding Brake, Where Required | Holds a load when the motor is not producing torque | Select according to the load and machine safety requirements |
| Machine Reference Sensor, Where Required | Establishes a known reference position | Select according to the axis homing strategy |
| Mounting Hardware | Secures the motor to the machine | Must match the flange and installation arrangement |
Recommended Related Models
| Model / Product | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Siemens 1FK7060-5AF71-1PA0 | SIMOTICS S Synchronous Servo Motor | Related 1FK7 Compact variant with resolver feedback and a keyed shaft | Consider when the drive system requires a resolver rather than incremental encoder feedback |
| Siemens 1FK7060-5AF71-1UA5 | SIMOTICS S Synchronous Servo Motor | Related 1FK7 Compact variant with resolver feedback and a keyed shaft | Verify the complete feedback and ordering configuration before selecting |
| Siemens 1FK7060-5AF71-1EH0 | SIMOTICS S Synchronous Servo Motor | Related variant with an absolute encoder and integrated holding brake | Consider when absolute feedback and motor-mounted holding are required |
| Siemens SINAMICS S120 | Servo Drive System | Drive family used in compatible Siemens motion-control architectures | Verify electrical sizing and support for the incremental encoder interface |
| Siemens SIMATIC Motion Control | Motion-Control System | Controller technology for coordinated servo axes | Select according to the required axis functions and system architecture |
Key Advantages
- Delivers 4.7 Nm rated torque at a 100 K temperature rise.
- Supports closed-loop motion control through incremental sin/cos encoder feedback.
- Uses a keyed shaft for compatible mechanical transmission.
- Supports natural cooling and multiple mounting orientations.
- Includes KTY84 winding-temperature monitoring.
- Allows connector orientation adjustment through 270°.
Technical FAQs
What is the difference between the 1FK7060-5AF71-1AA0 and the resolver-equipped 1FK7060-5AF71-1PA0?
The 1FK7060-5AF71-1AA0 uses an incremental sin/cos encoder with a 1 Vpp signal and 2,048 pulses per revolution. The 1PA0 variant uses resolver feedback. The replacement must match the drive’s supported feedback interface and the machine’s control configuration.
Does the incremental encoder retain the machine’s absolute position after power loss?
No. Incremental feedback records changes in position rather than independently providing an absolute machine position. Where the application requires a known reference after startup, the control system may need a homing procedure.
Can the motor hold a suspended load when power is removed?
This variant has no integrated holding brake. A vertical axis or suspended load may require an external brake or another suitable load-holding mechanism, selected according to the machine’s load and safety requirements.
What should be checked if the motor develops abnormal temperature during operation?
Review the motor load, acceleration profile, operating cycle, cooling conditions and drive configuration. Also inspect the KTY84 temperature-sensor connection and monitoring settings to distinguish an actual thermal issue from a feedback or configuration problem.