Siemens 1FK7101-2AF71-1RH0 Servo Motor
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1FK7101-2AF71-1RH0 |
| Product Type | Synchronous Servo Motor |
| Series | SIMOTICS S 1FK7-CT |
| Brand | Siemens |
| Motor Type | Permanent-Magnet Synchronous Motor |
| Rated Power | 4.9 kW |
| Rated Speed | 3000 rpm |
| Rated Torque | 15.5 Nm |
| Static Torque (60 K) | 22.5 Nm |
| Static Torque (100 K) | 27 Nm |
| Rated Current | 11.6 A |
| Stall Current (60 K) | 15.2 A |
| Stall Current (100 K) | 18.8 A |
| Maximum Mechanical Speed | 5000 rpm |
| Maximum Torque | 80 Nm |
| Maximum Current | 63 A |
| Number of Poles | 8 |
| Torque Constant | 1.435 Nm/A |
| Voltage Constant at 20°C | 92.5 V/1000 rpm |
| Winding Resistance at 20°C | 0.141 Ω |
| Inductance | 3.5 mH |
| Electrical Time Constant | 25 ms |
| Mechanical Time Constant | 1.62 ms |
| Thermal Time Constant | 60 min |
| Moment of Inertia | 7.9 × 10⁻³ kg·m² |
| Shaft Torsional Stiffness | 164000 Nm/rad |
| Shaft Height | 100 mm |
| Cooling Method | Natural Cooling |
| Mounting Design | IM B5, IM V1, IM V3 |
| Encoder | Absolute Encoder, 20-bit + 12-bit Multi-turn, Drive-CLiQ |
| Encoder Type | AM20DQI |
| Shaft Design | Smooth Shaft, Tolerance N |
| Holding Brake | Permanent-Magnet Holding Brake |
| Holding Torque | 43 Nm |
| Brake Supply Voltage | DC 24 V ±10% |
| Degree of Protection | IP64 |
| Temperature Monitoring | Pt1000 Temperature Sensor |
| Power Connector | Rotatable |
| Weight | 23.300 kg |
FAQ
1. What are the rated speed and rated torque of 1FK7101-2AF71-1RH0?
The 1FK7101-2AF71-1RH0 has a rated speed of 3000 rpm and a rated torque of 15.5 Nm. Its static torque is 22.5 Nm at a 60 K temperature rise and 27 Nm at a 100 K temperature rise. The motor is designed for dynamic industrial motion applications requiring precise speed regulation, positioning, and controlled acceleration. When selecting the motor for a machine, the continuous load, peak torque, acceleration and deceleration profile, and load inertia should be considered together.
2. What type of encoder is used by 1FK7101-2AF71-1RH0?
This configuration uses an AM20DQI absolute encoder with 20-bit single-turn and 12-bit multi-turn resolution and a Drive-CLiQ interface. The encoder provides high-resolution position feedback to the SINAMICS control system, allowing the drive to accurately determine the rotor position during operation. When installing the motor, the Drive-CLiQ cable, connectors, shielding, and encoder configuration should be checked carefully. Communication interruptions or incorrect encoder parameters can result in drive alarms and positioning errors.
3. Which Siemens drive system is suitable for 1FK7101-2AF71-1RH0?
The motor is designed for Siemens SINAMICS motion-control systems. The recommended motor module has a rated inverter current of 18 A, while the motor characteristics allow a maximum inverter current of 36 A for the specified configuration. Drive selection should also consider the machine’s continuous load, peak torque requirements, acceleration profile, operating speed, and DC-link voltage. Correct motor identification and parameterization are necessary for stable closed-loop operation.
4. Does 1FK7101-2AF71-1RH0 have a holding brake?
Yes. The 1FK7101-2AF71-1RH0 is equipped with a permanent-magnet holding brake. The brake has a holding torque of 43 Nm and uses a DC 24 V ±10% supply. It is intended to hold the motor shaft when the motor is stopped or de-energized and should not normally be used as a dynamic braking device for repeated machine deceleration. The brake wiring and release function should be verified during commissioning, especially in vertical-axis applications.
5. What cooling method does 1FK7101-2AF71-1RH0 use?
The motor uses natural cooling. Heat generated during operation is dissipated through the motor housing into the surrounding environment without requiring a separate external cooling fan under normal conditions. Adequate clearance and ventilation should be maintained around the motor. For applications involving continuous high torque, frequent acceleration and deceleration, or high ambient temperatures, the duty cycle and thermal conditions should be evaluated to prevent excessive temperature rise.
6. What mounting arrangements are supported by 1FK7101-2AF71-1RH0?
The motor supports IM B5 flange mounting and can also be installed in IM V1 and IM V3 arrangements. The mounting flange should be correctly aligned with the machine before the fixing bolts are tightened. The motor shaft and driven equipment should also be properly aligned to minimize vibration and unnecessary bearing loads. When a coupling is used, its alignment and load characteristics should be suitable for the motor and the connected mechanical system.
7. How should encoder or Drive-CLiQ faults be diagnosed on 1FK7101-2AF71-1RH0?
If an encoder or Drive-CLiQ fault occurs, first inspect the feedback cable and connectors for loose connections, damaged conductors, contamination, or excessive mechanical stress. Check the Drive-CLiQ connection and confirm that the correct encoder configuration has been assigned in the SINAMICS system. The drive diagnostic code should then be reviewed to determine whether the fault is related to communication, feedback, configuration, or hardware. If the cable and parameters are correct but the fault remains, the encoder communication path and associated drive components should be tested systematically.
8. What should be checked when replacing 1FK7101-2AF71-1RH0?
Before replacement, the complete order number should be verified because different 1FK7 configurations can use different feedback systems, brake configurations, shaft designs, and electrical characteristics. For this model, particular attention should be given to the 4.9 kW rated power, 3000 rpm rated speed, 15.5 Nm rated torque, AM20DQI absolute encoder, 20-bit single-turn and 12-bit multi-turn feedback, smooth shaft, permanent-magnet holding brake, natural cooling, and IP64 protection. After installation, the motor identification data, Drive-CLiQ communication, encoder feedback, brake operation, and drive parameters should be checked. Initial commissioning should be carried out at low speed and controlled load while monitoring current, torque, feedback signals, temperature, and brake release status.
Siemens 1FK7101-2AF71-1RH0 Servo Motor is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13950166376 | ||||||||
| 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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