Technical Specifications

FAQ

1. What type of servo motor is 1FK7063-5AF71-1SG0?
1FK7063-5AF71-1SG0 is a Siemens SIMOTICS S-1FK7 permanent-magnet synchronous servo motor designed for industrial motion control applications. It has a rated power of 2.29 kW, a rated speed of 3000 rpm, and a rated torque of 7.3 Nm. The motor uses natural cooling and supports IM B5, IM V1, and IM V3 mounting configurations. It is suitable for automated machinery requiring controlled speed, torque, and accurate motor feedback.

2. What are the rated speed, torque, and current of 1FK7063-5AF71-1SG0?
The motor has a rated speed of 3000 rpm, rated torque of 7.3 Nm, and rated current of 5.6 A. These parameters are important when selecting and configuring the corresponding servo drive. Actual operating conditions depend on the machine load, acceleration and deceleration profile, duty cycle, and mechanical transmission. For applications involving frequent acceleration or high dynamic loads, peak torque and current requirements should also be considered.

3. What feedback device does 1FK7063-5AF71-1SG0 use?
This model uses a multi-pole resolver with four pole pairs. The resolver provides motor position and speed feedback to the servo control system. When troubleshooting feedback-related faults, the resolver wiring, connector contacts, shielding, and drive configuration should be checked. An incorrect or unstable feedback connection can result in commutation errors, speed fluctuations, positioning problems, or failure of the servo drive to enable correctly.

4. Does 1FK7063-5AF71-1SG0 have a holding brake?
No. The 1FK7063-5AF71-1SG0 configuration does not include an integrated holding brake. Applications requiring the load to remain mechanically fixed while the motor is disabled may therefore require an external holding or braking mechanism. This is particularly important for vertical axes, lifting equipment, and other applications where the load could move due to gravity. The external brake should be correctly coordinated with the servo control sequence.

5. What cooling method does 1FK7063-5AF71-1SG0 use?
The motor uses natural cooling and does not normally require a separate forced-air cooling fan. During installation, adequate ventilation should be maintained around the motor to allow heat to dissipate effectively. Continuous operation under high load, elevated ambient temperature, or restricted airflow can increase motor temperature. The machine duty cycle and actual load profile should therefore be considered when determining continuous operating conditions.

6. What mounting configurations are supported by 1FK7063-5AF71-1SG0?
The motor supports IM B5 flange mounting and can also be installed in IM V1 and IM V3 configurations where the mechanical installation meets the applicable requirements. Correct alignment between the motor shaft and driven mechanism is important. Excessive radial or axial forces should be avoided because they can increase bearing loads, vibration, and mechanical wear. The mounting surface should also be sufficiently rigid to prevent movement during acceleration and deceleration.

7. How should I troubleshoot 1FK7063-5AF71-1SG0 if the motor does not rotate?
First check the servo drive for active alarms and verify that the required enable command is present. Then inspect the power supply, motor power cable, signal connections, resolver wiring, and grounding. Confirm that the motor parameters configured in the drive correspond to the 1FK7063-5AF71-1SG0. If a resolver feedback alarm appears, inspect the resolver connector and cable for loose contacts, damage, or incorrect wiring. Since this model does not have an integrated holding brake, also check whether the connected mechanical system is locked or obstructed. Finally, verify that the load is not excessive or mechanically seized.

8. What should be checked if 1FK7063-5AF71-1SG0 experiences vibration or positioning problems?
Begin with the mechanical system by checking shaft alignment, coupling condition, mounting bolts, and the driven mechanism. Mechanical misalignment, looseness, or excessive backlash can cause vibration and positioning deviations even when the motor is functioning normally. Next, inspect the resolver feedback circuit and confirm that the feedback signal and connections are stable. The motor identification data, current limits, speed-loop settings, and position-control parameters should also be reviewed. If vibration occurs mainly during acceleration or deceleration, the load inertia and servo tuning should be evaluated. Alarm history and motor operating temperature can provide additional information when determining the cause.