Technical Specifications

FAQ

1. What type of servo motor is 1FK7063-5AF71-1SH0?
1FK7063-5AF71-1SH0 is a Siemens SIMOTICS S-1FK7 compact three-phase synchronous servo motor. It has a rated power of 2.29 kW, rated speed of 3000 rpm, and rated torque of 7.3 Nm. The motor uses natural cooling and supports IM B5, IM V1, and IM V3 mounting configurations. It is designed for industrial motion-control applications where controlled speed, torque, and accurate feedback are required.

2. What are the rated speed and rated torque of 1FK7063-5AF71-1SH0?
The rated speed is 3000 rpm and the rated torque is 7.3 Nm. The maximum torque can reach 35 Nm under the applicable operating conditions. When selecting a servo drive, the rated current of 5.6 A and the required peak current should also be considered. For applications involving frequent acceleration, deceleration, or rapid positioning, the machine load, inertia, duty cycle, and peak torque requirements should be checked to ensure proper motor and drive matching.

3. What feedback device does 1FK7063-5AF71-1SH0 use?
This model uses a multi-pole resolver with four pole pairs. The resolver provides position and speed feedback to the servo drive and allows the control system to determine the motor’s actual operating position. When a resolver-related fault occurs, the resolver cable, connector, shielding, wiring, and drive feedback configuration should be inspected. Poor contacts or incorrect wiring can result in feedback errors, unstable speed control, incorrect commutation, or failure of the servo drive to enable.

4. Does 1FK7063-5AF71-1SH0 have a holding brake?
Yes. This model is equipped with a permanent-magnet holding brake. The brake is intended to hold the motor shaft and connected load when the servo motor is stopped or de-energized. It is particularly useful for applications where the load must remain stationary after the motor is disabled. In vertical-axis applications, the brake control sequence should be coordinated with the servo drive so that the brake is released only after sufficient motor torque has been established to safely support the load.

5. What cooling method does 1FK7063-5AF71-1SH0 use?
1FK7063-5AF71-1SH0 uses natural cooling. No separate forced-air cooling fan is normally required for the motor. During installation, sufficient ventilation should be maintained around the motor so that heat can dissipate effectively. High ambient temperatures, restricted airflow, or continuous operation under heavy load can increase motor temperature. For demanding applications, the actual duty cycle and load profile should therefore be checked against the motor’s permissible operating conditions.

6. Which mounting configurations are supported by 1FK7063-5AF71-1SH0?
The motor supports IM B5 flange mounting and can also be installed in IM V1 and IM V3 configurations. During installation, the mounting surface should be rigid and the motor shaft should be correctly aligned with the driven mechanism. Excessive radial or axial forces should be avoided because they can increase bearing loads and cause vibration or premature mechanical wear. Proper coupling alignment is also important for maintaining stable operation, especially when the motor is used for high-speed positioning or repeated acceleration and deceleration.

7. How should I troubleshoot 1FK7063-5AF71-1SH0 if the motor does not rotate?
First check the servo drive for active alarms and confirm that the enable command has been correctly issued. Then inspect the motor power supply, power cable, signal connections, resolver cable, and grounding. Verify that the motor parameters configured in the drive correspond to 1FK7063-5AF71-1SH0. If a resolver fault is displayed, check the resolver connector and cable for loose contacts, damage, or incorrect wiring. The permanent-magnet holding brake should also be checked because an incorrectly controlled or released brake can prevent the shaft from rotating. Finally, inspect the mechanical load for excessive resistance, obstruction, or a locked transmission.

8. What should be checked if 1FK7063-5AF71-1SH0 has vibration or positioning errors?
Troubleshooting should begin with the mechanical system and then proceed to the feedback circuit and servo parameters. Check the coupling, shaft alignment, mounting bolts, mechanical backlash, and load mechanism for looseness or abnormal resistance. Next, inspect the resolver feedback circuit and confirm that the signal remains stable during operation. The motor data, current limits, speed-loop settings, position-control parameters, and acceleration settings should also be reviewed. If vibration occurs mainly during acceleration or deceleration, the load inertia and servo tuning should be evaluated. Motor temperature, alarm history, and changes in operating conditions can also help determine whether the problem is related to the mechanical system, feedback circuit, or drive configuration.