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- Siemens
- 1FK7060-5AF71-1AG0
- Synchronous Servo Motor
- Germany
- 63 mm
- 7.003 kg
- Xiamen, China
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Product Overview
The Siemens 1FK7060-5AF71-1AG0 SIMOTICS S Synchronous Servo Motor is a permanent-magnet synchronous servo motor from the SIMOTICS S-1FK7 Compact family. It has a rated torque of 6.0 Nm at a 100 K temperature rise, an optimum operating speed of 3,000 rpm and an optimum operating power of 1.48 kW. Its naturally cooled construction and IM B5 mounting arrangement suit industrial machinery that requires controlled rotary movement and repeatable motion under servo-drive regulation.
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 speed and position. Unlike the related 1FK7060-5AF71-1AA0 variant, which has a keyed shaft, the 1AG0 uses a plain shaft. This distinction affects coupling selection and mechanical replacement planning.
The motor has no integrated holding brake and uses IP64 protection. Its power and signal connectors can be rotated through 270°, which helps accommodate different cable-routing arrangements inside machine enclosures. These features are relevant when selecting a replacement for an existing servo axis, particularly when the feedback interface and mechanical coupling must remain compatible with the installed equipment.
Typical applications include packaging machinery, automated assembly equipment, indexing mechanisms and production-line positioning systems. In each case, motor selection should account for the required torque over the complete operating cycle, load inertia, drive compatibility and the machine’s method of establishing a reference position.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model / Order Number | 1FK7060-5AF71-1AG0 |
| Product Family | SIMOTICS S-1FK7 Compact |
| Product Type | Permanent-Magnet Synchronous Servo Motor |
| Rated Torque (100 K) | 6.0 Nm |
| Optimum Operating Speed | 3,000 rpm |
| Optimum Operating Power | 1.48 kW |
| Cooling Method | Natural cooling |
| Mounting Design | IM B5 (IM V1, IM V3) |
| Shaft Design | Plain shaft |
| 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 |
| Connector Arrangement | Power and signal connectors rotatable by 270° |
| Shaft Height | 63 mm |
| Weight | 7.003 kg |
Product Features
- Permanent-magnet synchronous motor: Converts electrical power into controlled rotary motion through a compatible servo drive.
- 6.0 Nm rated torque: Supports servo axes whose continuous torque requirements fall within the motor’s operating limits.
- Incremental encoder feedback: Supplies rotor-motion information through a sin/cos 1 Vpp interface.
- 2,048-pulse resolution: Supports feedback-based speed regulation and repeatable positioning.
- Plain shaft: Accommodates compatible couplings and transmission components without a feather-key interface.
- Natural cooling: Uses the specified motor cooling arrangement without requiring a separate motor-cooling circuit.
- No integrated holding brake: Requires separate consideration of load retention when the application must hold a mechanism after power is removed.
- Rotatable connectors: Allows power and signal connector orientation to be adjusted through 270°.
- IP64 protection: Provides dust protection and protection against water splashes under the specified enclosure test conditions.
Working Principle
The 1FK7060-5AF71-1AG0 generates rotary torque through the interaction between the stator’s magnetic field and the rotor’s permanent magnets. A compatible servo drive controls the current supplied to the stator windings according to the commanded speed, torque or position.
During operation, the incremental encoder produces sin/cos feedback signals corresponding to rotor movement. The drive evaluates these signals and adjusts motor current to maintain the requested motion. In a packaging machine, for example, this feedback can help control a feed mechanism that must advance material by a repeatable amount during each production cycle.
Because the encoder is incremental, it reports changes in position rather than independently retaining an absolute machine reference. If an axis must return to a known position after startup, the controller may need to perform a homing procedure using a reference sensor or another configured reference method.
The plain shaft transfers torque through a compatible coupling or transmission. The coupling must match the shaft interface and the mechanical load, and alignment should be checked during installation. Since this motor has no integrated holding brake, a vertical axis or other load that could move when the motor is de-energized may require an external brake or another suitable holding arrangement.
Role in a SIMOTICS S Servo Control Architecture
The 1FK7060-5AF71-1AG0 functions as the rotary actuator in a closed-loop servo system. The controller generates motion commands, the servo drive regulates the motor current, and the incremental encoder supplies feedback for controlling the axis response.
Motion Controller → Compatible Servo Drive → 1FK7060-5AF71-1AG0 Motor → Mechanical Coupling → Machine Axis
| System Component | Function | Relationship to the Motor |
|---|---|---|
| 1FK7060-5AF71-1AG0 | Converts electrical energy 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 plain shaft to the machine transmission |
| Gearbox, Where Required | Adjusts output speed and torque | Matches the motor to the mechanical load |
| Machine Reference Sensor, Where Required | Establishes a reference position | Supports homing when the application requires it |
| External Holding Brake, Where Required | Prevents unwanted load movement | Addresses holding requirements not covered by the motor |
Industrial Applications
| Application | Typical Equipment | Role of the Motor |
|---|---|---|
| Packaging Machinery | Feeding, indexing and transfer mechanisms | Controls 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 systems | Provides rotary actuation where the motor ratings suit the load |
| Machine Tools | Automated machine mechanisms | Supports controlled movement through a compatible servo drive |
| Special-Purpose Machinery | Customized servo-driven equipment | Provides a plain-shaft interface for suitable mechanical couplings |
| Production-Line Automation | Coordinated motion axes | Supports repeatable movement within a configured control system |
| Industrial Processing Equipment | Servo-driven feed and adjustment mechanisms | Regulates rotary movement according to process requirements |
Installation and Maintenance
- Verify the motor reference: Confirm that 1FK7060-5AF71-1AG0 matches the required torque, encoder, shaft and brake configuration.
- Check drive compatibility: Verify that the selected servo drive supports the motor’s electrical characteristics 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 applicable electrical isolation procedure and secure the driven mechanism before installation or maintenance.
- Inspect the shaft interface: Check the plain shaft 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 the operating environment: Ensure that the installation conditions meet the motor’s protection requirements and provide suitable ventilation for natural cooling.
- 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 plain shaft and mechanical load |
| Gearbox, Where Required | Adjusts output speed and torque | Select according to the load and motion profile |
| Machine Reference Sensor, Where Required | Establishes a known reference position | Select according to the axis homing strategy |
| External Holding Brake, Where Required | Holds a load when the motor is not producing torque | Select according to the load and machine safety requirements |
| Mounting Hardware | Secures the motor to the machine | Must match the flange and installation arrangement |
| SINAMICS Servo Drive System | Provides motor power and closed-loop control | Verify the specific drive configuration and encoder compatibility |
Recommended Related Models
| Model / Product | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Siemens 1FK7060-5AF71-1AA0 | SIMOTICS S Synchronous Servo Motor | Related variant with incremental encoder feedback and a keyed shaft | Consider when the mechanical interface requires a feather key |
| Siemens 1FK7060-5AF71-1PA0 | SIMOTICS S Synchronous Servo Motor | Related variant with resolver feedback and a keyed shaft | Consider when the existing drive requires resolver feedback |
| Siemens 1FK7060-5AF71-1FB3 | SIMOTICS S Synchronous Servo Motor | Related variant with an absolute encoder and integrated holding brake | Consider when absolute feedback and a motor-mounted brake are required; verify the full configuration |
| Siemens SINAMICS S120 | Servo Drive System | Drive family used in compatible Siemens motion-control architectures | Verify motor 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 machine architecture |
Key Advantages
- Delivers 6.0 Nm rated torque at a 100 K temperature rise.
- Supports closed-loop motion control through incremental sin/cos encoder feedback.
- Uses a plain-shaft interface for compatible couplings.
- Supports natural cooling and multiple mounting orientations.
- Allows connector orientation adjustment through 270°.
- Provides IP64 protection for suitable industrial installations.
Technical FAQs
What is the main difference between the 1FK7060-5AF71-1AG0 and the 1AA0 variant?
The 1AG0 uses a plain shaft, while the 1AA0 variant uses a shaft with a feather key. Both configurations use incremental encoder feedback, but the shaft interface must match the installed coupling or transmission before a replacement is selected.
Does the incremental encoder provide an absolute position immediately after startup?
No. Incremental feedback records movement relative to a reference rather than independently supplying an absolute machine position. A homing or referencing procedure may be necessary when the application requires a known axis position after startup.
What should be checked when replacing this motor in an existing servo system?
Verify the complete order number, rated torque, encoder interface, shaft configuration, mounting arrangement and brake requirements. Also confirm that the connected servo drive supports the motor’s feedback signals and electrical characteristics.
Can this motor hold a load when the drive is switched off?
The 1FK7060-5AF71-1AG0 has no integrated holding brake. If the driven mechanism can move under gravity or external force when the motor is de-energized, the machine may require an appropriately selected external holding mechanism.