Siemens 1FK7103-5AF71-1AG0 Servo Motor
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIMOTICS S-1FK7 |
| Product Type | Compact Synchronous Servo Motor |
| Model / Order Number | 1FK7103-5AF71-1AG0 |
| Rated Power | 4.4 kW |
| Rated Speed | 3,000 rpm |
| Rated Torque | 14 Nm |
| Static Torque (60 K) | 30 Nm |
| Static Torque (100 K) | 36 Nm |
| Rated Current | 12 A |
| Number of Poles | 8 |
| Number of Pole Pairs | 4 |
| Optimum Operating Speed | 2,500 rpm |
| Optimum Operating Power | 5.4 kW |
| Maximum Permissible Mechanical Speed | 5,000 rpm |
| Maximum Permissible Inverter Speed | 5,000 rpm |
| Maximum Torque | 108 Nm |
| Maximum Current | 84 A |
| Cooling Method | Natural Cooling |
| Mounting Type | IM B5, IM V1, IM V3 |
| Flange | Flange 1 |
| Encoder Type | Incremental Encoder |
| Encoder Signal | SIN/COS 1 Vpp |
| Encoder Resolution | 2,048 pulses/revolution |
| Shaft Design | Smooth shaft, tolerance N |
| Holding Brake | Without holding brake |
| Degree of Protection | IP64 |
| Temperature Monitoring | KTY84 stator winding temperature sensor |
| Electrical Connection | Power and signal connectors |
| Connector Orientation | 270° rotatable |
| Torque Constant | 1.35 Nm/A |
| Voltage Constant at 20°C | 86 V/1000 rpm |
| Winding Resistance at 20°C | 0.09 Ω |
| Rotating Field Inductance | 2.0 mH |
| Electrical Time Constant | 22.2 ms |
| Mechanical Time Constant | 1.55 ms |
| Thermal Time Constant | 65 min |
| Shaft Torsional Stiffness | 149,000 Nm/rad |
| Rotor Moment of Inertia | 105 kg·cm² |
| Shaft Height | 100 mm |
| Weight | 29.003 kg |
FAQ
1. What type of servo motor is the Siemens 1FK7103-5AF71-1AG0?
The Siemens 1FK7103-5AF71-1AG0 is a SIMOTICS S-1FK7 compact permanent-magnet synchronous servo motor. It is designed for applications that require controlled speed, accurate positioning, and stable torque performance. The motor is naturally cooled and can be used in industrial automation systems, machine tools, production machinery, handling equipment, and other precision motion-control applications.
2. What are the rated power, speed, and torque of the 1FK7103-5AF71-1AG0?
The motor has a rated power of 4.4 kW, a rated speed of 3,000 rpm, and a rated torque of 14 Nm. Its static torque is 30 Nm at a 60 K temperature rise and 36 Nm at a 100 K temperature rise. The maximum torque is specified at 108 Nm, allowing the motor to handle short-term dynamic torque requirements when the drive and operating conditions are properly configured.
3. What type of encoder is installed on the 1FK7103-5AF71-1AG0?
This model uses an incremental encoder with SIN/COS 1 Vpp output and a resolution of 2,048 pulses per revolution. The encoder provides the servo drive with speed and position feedback required for closed-loop motor control. During commissioning, the encoder wiring, feedback signal quality, and drive configuration should be checked carefully to ensure stable positioning and correct motor operation.
4. Does the Siemens 1FK7103-5AF71-1AG0 include a holding brake?
No. The 1FK7103-5AF71-1AG0 is supplied without a holding brake. If the machine requires the motor shaft to remain mechanically fixed when the motor is stopped or power is removed, an appropriate external holding or braking solution may be required. The selected braking method should be compatible with the machine’s safety requirements, load characteristics, and control sequence.
5. What is the maximum permissible speed of the 1FK7103-5AF71-1AG0?
The maximum permissible mechanical speed is 5,000 rpm, and the specified maximum inverter speed is also 5,000 rpm. The motor should not be operated above the applicable speed limit. When configuring the servo drive, the maximum speed should be set according to the motor data, machine mechanics, load inertia, and application requirements. Acceleration and deceleration settings should also be selected to avoid excessive mechanical stress.
6. What cooling method does the 1FK7103-5AF71-1AG0 use?
The motor uses natural cooling and does not rely on a separate forced-air cooling system for normal operation. Sufficient clearance should be maintained around the motor so that heat can dissipate effectively. During continuous or high-load operation, excessive ambient temperature, restricted airflow, or heat from nearby equipment can affect the motor’s thermal performance. The installation should therefore provide suitable ventilation and thermal conditions.
7. Which mounting positions are supported by this servo motor?
The 1FK7103-5AF71-1AG0 supports IM B5 mounting and can also be installed in IM V1 and IM V3 positions. Before installation, the mechanical interface, mounting orientation, shaft coupling, permissible loads, and cable routing should be checked. Correct alignment between the motor shaft and the driven machine is particularly important because excessive radial or axial loading can affect bearing life and overall servo performance.
8. What should be checked when commissioning the Siemens 1FK7103-5AF71-1AG0?
During commissioning, first verify the motor model and configured motor data in the servo drive. Check the power supply, motor phase connections, encoder wiring, SIN/COS feedback signals, KTY84 temperature sensor connection, grounding, and direction of rotation. The drive’s current, speed, acceleration, and torque limits should be configured according to the application. A low-speed test is recommended before normal operation to confirm correct feedback, rotation direction, and stable control. If abnormal vibration, incorrect positioning, encoder faults, or excessive motor temperature occurs, stop the system and check the wiring, mechanical coupling, feedback configuration, and drive parameters before continuing operation.
Siemens 1FK7103-5AF71-1AG0 Servo Motor is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
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Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
