Siemens 1FK7101-2AC71-1RG1 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 | 1FK7101-2AC71-1RG1 |
| Product Type | Synchronous Servo Motor |
| Series | SIMOTICS S 1FK7 |
| Brand | Siemens |
| Motor Type | Permanent-Magnet Synchronous Motor |
| Rated Power | 4.3 kW |
| Rated Speed | 2000 rpm |
| Rated Torque | 20.5 Nm |
| Static Torque (60 K) | 22.5 Nm |
| Static Torque (100 K) | 27 Nm |
| Rated Current | 9.7 A |
| Stall Current (60 K) | 10.0 A |
| Stall Current (100 K) | 12.3 A |
| Maximum Mechanical Speed | 5000 rpm |
| Maximum Torque | 80 Nm |
| Maximum Current | 40.5 A |
| Number of Poles | 8 |
| Torque Constant | 2.15 Nm/A |
| Voltage Constant at 20°C | 144.5 V/1000 rpm |
| Winding Resistance at 20°C | 0.343 Ω |
| Inductance | 8.5 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 | Without Holding Brake |
| Degree of Protection | IP65 |
| Power Connector | Rotatable |
| Temperature Monitoring | Pt1000 Temperature Sensor |
| Weight | 23.001 kg |
FAQ
1. What are the rated speed and rated torque of 1FK7101-2AC71-1RG1?
The 1FK7101-2AC71-1RG1 has a rated speed of 2000 rpm and a rated torque of 20.5 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 accurate speed and position control. When sizing the motor, the continuous operating torque, peak load, acceleration and deceleration profile, and load inertia should be evaluated together rather than using rated torque as the only selection criterion.
2. What encoder is installed on 1FK7101-2AC71-1RG1?
This configuration uses an AM20DQI absolute encoder with 20-bit single-turn resolution and 12-bit multi-turn information, connected through a Drive-CLiQ interface. The encoder provides rotor position feedback to the SINAMICS control system and supports accurate closed-loop control. During installation, the Drive-CLiQ cable, connectors, shielding, and encoder configuration should be checked carefully. A communication interruption or incorrect encoder configuration can result in drive alarms and inaccurate motor positioning.
3. Which Siemens drive system is suitable for 1FK7101-2AC71-1RG1?
The motor is intended for use with Siemens SINAMICS drive systems. The drive should be selected according to the motor’s rated current, maximum current, torque requirements, operating speed, and machine load profile. Correct motor identification and parameterization are also necessary so that the SINAMICS system can correctly interpret the encoder feedback and motor characteristics. The selected drive should provide sufficient continuous and peak current capacity for the actual application.
4. Does 1FK7101-2AC71-1RG1 have a holding brake?
The 1FK7101-2AC71-1RG1 configuration is supplied without a holding brake. This should be considered when the motor is used for vertical axes, lifting mechanisms, or other applications where a load must remain mechanically secured after power is removed. The servo motor should not be relied upon as a mechanical load-holding device when the drive is de-energized. If holding is required, the machine should incorporate a suitable mechanical brake or other load-retention mechanism.
5. What cooling method does 1FK7101-2AC71-1RG1 use?
The motor uses natural cooling. Heat generated by the windings and other internal components is transferred through the motor housing to the surrounding environment. No separate external fan is required for normal operation. The installation should provide adequate ventilation and should avoid restricting heat dissipation around the housing. For continuous high-load operation, frequent acceleration and deceleration, or elevated ambient temperatures, the motor’s duty cycle and thermal conditions should be evaluated carefully.
6. What mounting arrangement is supported by 1FK7101-2AC71-1RG1?
The motor uses an IM B5 mounting design and supports IM V1 and IM V3 installation arrangements. The flange and machine-side mounting surface should be properly aligned before tightening the fixing hardware. The motor shaft should also be accurately aligned with the driven equipment to minimize vibration and unnecessary bearing loads. When using a coupling, the coupling type and alignment should be suitable for the motor’s permitted radial and axial loading conditions.
7. How should Drive-CLiQ or encoder faults be diagnosed?
If a Drive-CLiQ or encoder fault occurs, inspect the encoder cable and connectors first for loose connections, damaged conductors, contamination, or mechanical stress. Check that the Drive-CLiQ connection is correctly installed and that the motor has been configured with the correct encoder information. The drive diagnostic code should then be reviewed to identify whether the fault is associated with communication, feedback, configuration, or hardware. If the cable and configuration are correct but the fault remains, the encoder communication circuit and related drive hardware should be tested systematically.
8. What should be checked when replacing 1FK7101-2AC71-1RG1?
Before replacement, the complete motor order number should be verified because different 1FK7 configurations can have different feedback systems, shaft designs, brake options, and electrical characteristics. For this configuration, particular attention should be given to the 4.3 kW rated power, 2000 rpm rated speed, 20.5 Nm rated torque, AM20DQI absolute encoder with 20-bit single-turn and 12-bit multi-turn feedback, smooth shaft, natural cooling, IP65 protection, and absence of a holding brake. After installation, the motor identification data, Drive-CLiQ communication, encoder feedback, and drive parameters should be checked before commissioning. Initial operation should be performed at low speed and with a controlled load while monitoring current, torque, feedback signals, and temperature.
Siemens 1FK7101-2AC71-1RG1 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.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
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If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
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.
