Product Overview

The Siemens 1FK7063-2AF71-1RG0 SIMOTICS S Synchronous Motor is a permanent-magnet synchronous motor in the SIMOTICS S-1FK7 compact motor family. It is intended for industrial servo applications requiring controlled rotation, repeatable speed regulation, and precise coordination with a compatible motion-control system. This configuration combines natural cooling, an absolute multiturn encoder with DRIVE-CLiQ communication, a smooth shaft, and no integrated holding brake.

The motor works as part of a servo axis rather than as an independent motion-control device. A compatible drive regulates the electrical current supplied to the motor, controlling torque and rotational speed according to commands from the controller. Encoder feedback allows the drive to monitor rotor movement and adjust its output as the machine accelerates, decelerates, or maintains a commanded position.

The 1FK7063-2AF71-1RG0 has a rated power of 2.3 kW and a rated speed of 3,000 rpm. Its rated torque is 7.3 Nm, and its static torque at the specified 100 K temperature-rise condition is 11 Nm. These ratings help engineers assess the motor against the machine’s torque-speed requirements. Final selection also depends on load inertia, acceleration and deceleration profiles, operating frequency, and the connected drive’s capabilities.

The motor uses an AM20DQI absolute encoder with 20-bit single-turn resolution and 12-bit multiturn information. Its DRIVE-CLiQ interface transfers encoder data to compatible Siemens drive electronics. Absolute feedback is useful when the control system needs rotor-position information beyond the relative movement measured by an incremental encoder. The machine’s startup and reference-management behavior must nevertheless be verified against the selected drive and application configuration.

The smooth shaft is intended for use with a suitable coupling or transmission assembly. Without a fitted keyway, the mechanical interface differs from the keyed-shaft versions in the same motor family. Coupling selection must account for the shaft interface, transmitted torque, alignment, and permissible mechanical loading. A replacement motor with a different shaft configuration may require a corresponding change to the coupling or adapter.

This model has no integrated holding brake. That distinction matters when designing axes that must remain stationary after the drive stops supplying torque. If the load requires mechanical holding, the machine designer must determine whether an external brake or another suitable holding arrangement is necessary. The motor should not be assumed to provide braking or stationary holding solely because it belongs to the SIMOTICS S servo-motor family.

Natural cooling removes heat through the motor housing and the surrounding environment. The installation therefore needs to provide appropriate thermal conditions for the intended operating duty. Ambient temperature, mounting position, available airflow, and repeated high-torque movements can influence the permissible continuous load.

The motor uses an IM B5 flange mounting arrangement, with IM V1 and IM V3 mounting positions supported as specified for the series. Its IP64 protection rating defines protection against dust ingress and water splashing under the stated conditions. Cable connections, installation practices, and the actual operating environment must also be considered when determining whether the motor is suitable for a particular machine.

The 1FK7063-2AF71-1RG0 is intended for integration into compatible Siemens SINAMICS servo-drive systems. Correct integration requires matching the electrical ratings, encoder interface, mounting arrangement, and mechanical transmission. Drive parameters must be configured for the motor and the motion profile required by the application.

Typical applications include automated assembly machinery, packaging equipment, production-line mechanisms, printing equipment, and material-handling systems that require controlled rotary movement. Suitability for an individual axis depends on the actual torque demand, speed range, feedback requirements, mechanical interface, and operating conditions.

The Siemens 1FK7063-2AF71-1RG0 combines permanent-magnet synchronous motor technology with absolute multiturn feedback and a smooth shaft. Its brake-free configuration is appropriate where an integrated holding brake is not required and the machine’s holding needs are addressed separately when necessary.

Technical Specifications

Product Features

• Permanent-magnet synchronous design: Generates controlled torque for industrial servo applications.
• 2.3 kW rated power: Supports motion tasks within the motor’s specified electrical and thermal limits.
• 3,000 rpm rated speed: Suits applications requiring regulated rotational speed and controlled acceleration.
• AM20DQI absolute encoder: Supplies 20-bit single-turn and 12-bit multiturn position information.
• DRIVE-CLiQ interface: Transfers encoder information to compatible Siemens drive systems.
• Smooth shaft configuration: Supports coupling arrangements selected for the machine’s mechanical interface.
• No integrated holding brake: Allows the machine designer to determine holding requirements independently.
• Natural cooling: Dissipates heat without a separate motor-mounted forced-air cooling unit.
• Flange mounting: Supports integration into compatible industrial machine structures.
• IP64 protection: Provides defined protection against dust ingress and water splashing under the specified conditions.
• Pt1000 temperature monitoring: Supplies motor temperature information for compatible monitoring and protection functions.

Working Principle

The Siemens 1FK7063-2AF71-1RG0 converts electrical energy into mechanical rotation through the interaction between the magnetic field generated by the stator and the permanent magnets in the rotor. A compatible servo drive regulates the current supplied to the motor windings, controlling the torque available at the shaft.

Motion Command → SINAMICS Servo Drive → Motor Rotation → DRIVE-CLiQ Feedback → Control Correction

The motion controller generates a position, speed, or torque command according to the machine sequence. The servo drive processes that command and adjusts the electrical current supplied to the motor. By regulating current, the drive controls torque and influences the motor’s acceleration, deceleration, and operating speed.

As the rotor turns, the AM20DQI encoder supplies absolute position information through DRIVE-CLiQ. Its single-turn information identifies angular position within one revolution, while the multiturn information represents position across multiple revolutions within the encoder’s specified range. Compatible drive electronics use this feedback as part of the motion-control process.

Absolute feedback allows the drive to obtain rotor-position information without relying solely on accumulated incremental pulses. The actual startup behavior still depends on the encoder initialization, drive configuration, and machine reference requirements. The commissioning process should verify that the reported position and machine-coordinate relationship are correct before the axis enters production operation.

The smooth shaft transfers torque through a compatible coupling or transmission. Since this configuration does not use a fitted keyway, the coupling must be suitable for the shaft interface and the expected torque. Correct alignment and secure assembly help prevent unwanted movement, vibration, and excessive bearing loads.

The motor’s Pt1000 temperature sensor supplies temperature information to compatible monitoring electronics. Correct sensor wiring and parameterization allow the drive system to monitor thermal conditions during operation. This is particularly relevant when the motor experiences sustained loading, frequent acceleration, or repeated changes in operating speed.

Natural cooling removes heat through the motor housing and surrounding environment. The available thermal margin depends on ambient temperature, mounting arrangement, heat dissipation, and duty cycle. Applications with prolonged high torque must be evaluated against the motor’s permissible operating conditions.

Because this configuration has no integrated holding brake, motor torque and mechanical holding must be considered separately. When drive torque is removed, the motor should not be assumed to hold an external load stationary. If the application requires holding under those conditions, the machine design must provide a suitable arrangement based on the load and applicable safety requirements.

During normal operation, the controller defines the movement, the drive regulates motor current, and the encoder reports rotor position. The mechanical transmission transfers the resulting torque to the machine. Correct coordination of these elements supports controlled movement and repeatable positioning in industrial automation systems.

Role in the Industrial Control Architecture

The 1FK7063-2AF71-1RG0 serves as the actuator in a servo-motion axis. It receives controlled electrical power from a compatible servo drive and returns absolute encoder information through DRIVE-CLiQ. Its brake-free configuration means that any additional mechanical holding requirement must be addressed at the machine-system level.

Motion Controller → SINAMICS Servo Drive → 1FK7063-2AF71-1RG0 → Mechanical Load

The motion controller defines the movement, while the servo drive regulates motor operation using encoder feedback. The mechanical transmission and any required external holding arrangement must be selected according to the needs of the individual axis.

Industrial Applications

Installation and Maintenance

1. Confirm drive compatibility: Check the motor’s rated power, current, speed, encoder interface, and temperature-sensor requirements against the selected servo drive.
2. Inspect the motor before installation: Check the connectors, shaft, mounting flange, and enclosure for damage that could affect electrical or mechanical performance.
3. Prepare the mounting structure: Ensure that the mounting flange and supporting structure are suitable for the specified mounting arrangement and operating loads.
4. Select the correct coupling: Confirm that the coupling accommodates the smooth shaft and is rated for the expected torque and speed.
5. Align the mechanical connection: Follow the coupling manufacturer’s alignment requirements and avoid excessive radial or axial loading on the motor shaft.
6. Connect the motor power cable: Use the appropriate power connection and follow the required grounding, shielding, and electrical installation practices.
7. Connect the DRIVE-CLiQ interface: Use compatible signal cabling and confirm that the drive recognizes the encoder during commissioning.
8. Connect the temperature sensor: Verify the Pt1000 connection and ensure that the drive or monitoring system is configured for the specified sensor.
9. Configure drive parameters: Check the motor data, encoder identification, operating mode, speed limits, and control settings before enabling movement.
10. Verify absolute position feedback: Confirm that the reported rotor position is plausible and that the machine’s reference-management procedure behaves as intended.
11. Check thermal and mechanical behavior: Monitor operating temperature, vibration, and unusual noise during commissioning and investigate unexpected changes.
12. Maintain configuration records: Retain the motor identification, drive parameters, encoder settings, coupling details, and maintenance history for future troubleshooting.

If the axis exhibits positioning errors, inspect the DRIVE-CLiQ connection, encoder configuration, mechanical coupling, and drive parameters. If the load moves unexpectedly after drive torque is removed, review the machine’s holding requirements and confirm that the mechanical arrangement is appropriate for the application.

Related Components

Recommended Related Models

Key Advantages

• Provides controlled rotary movement for compatible servo-drive systems.
• Uses absolute single-turn and multiturn feedback through DRIVE-CLiQ.
• Supports repeatable motion control through compatible drive electronics.
• Uses a smooth shaft for suitable coupling and transmission arrangements.
• Includes Pt1000 temperature monitoring for compatible drive systems.
• Offers a brake-free configuration for axes whose holding requirements are addressed separately.

Technical FAQs

What does the AM20DQI encoder provide during servo operation?

The AM20DQI supplies 20-bit single-turn and 12-bit multiturn position information through DRIVE-CLiQ. A compatible drive uses this feedback for rotor-position monitoring and motion control, subject to the configured drive and machine-reference requirements.

How does the smooth shaft affect replacement-motor selection?

The replacement must match the mechanical coupling interface as well as the motor’s electrical and feedback configuration. A keyed-shaft version is not automatically interchangeable with a smooth-shaft version because the coupling or adapter may differ.

What must be considered because this motor has no integrated holding brake?

The machine designer must determine whether the load needs mechanical holding when drive torque is unavailable. If so, an appropriate external holding arrangement may be necessary. The decision should account for the load, transmission, operating sequence, and applicable safety requirements.

Why should the Pt1000 temperature-sensor connection be checked during commissioning?

The sensor supplies temperature information for compatible monitoring functions. Incorrect wiring or parameterization can affect the interpretation of motor thermal conditions, so the sensor connection should be verified before the motor is placed into normal service.