Siemens 1FK7042-2AF71-1RA0 Servo Motor
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| Mobile | +8613666084105 | |||||||
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| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Description |
|---|---|
| Brand | Siemens |
| Product Series | SIMOTICS S-1FK7 |
| Model | 1FK7042-2AF71-1RA0 |
| Product Type | Permanent-Magnet Synchronous Servo Motor |
| Motor Design | Compact synchronous servo motor |
| Rated Power | Approx. 0.82 kW |
| Rated Speed | 3000 rpm |
| Maximum Mechanical Speed | 9000 rpm |
| Maximum Speed with Drive Limitation | 6400 rpm |
| Rated Torque | 2.6 Nm |
| Static Torque (60 K) | 2.5 Nm |
| Static Torque (100 K) | 3.0 Nm |
| Maximum Torque | 10.5 Nm |
| Rated Current | 2.0 A |
| Maximum Current | 7.6 A |
| Number of Poles | 8 |
| Torque Constant | 1.375 Nm/A |
| Voltage Constant (20°C) | 90 V/1000 rpm |
| Winding Resistance (20°C) | 4.67 Ω |
| Inductance | 35 mH |
| Rotor Inertia | 0.29 × 10⁻³ kg·m² |
| Cooling Method | Natural cooling |
| Mounting Type | IM B5 (IM V1, IM V3) |
| Protection Rating | IP64 |
| Encoder Type | AM20DQI absolute encoder |
| Encoder Resolution | 20-bit single-turn + 12-bit multi-turn |
| Shaft Design | Feather key |
| Holding Brake | Without holding brake |
| Temperature Monitoring | Pt1000 temperature sensor |
| Electrical Connection | Power and signal connectors |
| Vibration Grade | Grade A |
| Typical Applications | CNC machines, automated production lines, packaging equipment, material handling systems, and precision positioning equipment |
| Shaft Height | 48 mm |
| Weight | 4.601 kg |
FAQ
Q1: What type of servo motor is the Siemens 1FK7042-2AF71-1RA0?
The Siemens 1FK7042-2AF71-1RA0 belongs to the SIMOTICS S-1FK7 series of permanent-magnet synchronous servo motors. It is designed for applications requiring precise speed regulation, accurate positioning, and dynamic response. Its compact construction makes it suitable for integration into industrial machinery and automated production systems.
Q2: What are the rated speed and torque of this servo motor?
The motor has a rated speed of 3000 rpm and a rated torque of 2.6 Nm. Its static torque is specified as 2.5 Nm at a 60 K temperature rise and 3.0 Nm at a 100 K temperature rise. The maximum torque is 10.5 Nm. Actual operating limits depend on the drive configuration, load conditions, and duty cycle.
Q3: Which encoder is used in the 1FK7042-2AF71-1RA0?
This model is equipped with an AM20DQI absolute encoder, providing 20-bit single-turn resolution and 12-bit multi-turn information. The encoder supplies rotor position feedback to the drive, supporting accurate motion control and position detection after power restoration, subject to the system configuration.
Q4: Does the Siemens 1FK7042-2AF71-1RA0 include a holding brake?
No. This configuration is supplied without an integrated holding brake. If the machine must maintain its position when the motor is stopped or power is disconnected, an external braking or mechanical holding arrangement may be required. The selection should consider the load, machine safety requirements, and operating conditions.
Q5: Which Siemens drive systems can be used with this motor?
The 1FK7042-2AF71-1RA0 is part of the Siemens SIMOTICS S-1FK7 motor family and is intended for use with compatible Siemens SINAMICS drive systems. Before selecting a drive, check the motor’s voltage and current requirements, rated torque, encoder interface, and supported motor data. Compatibility should be confirmed for the specific drive model and firmware.
Q6: What should be checked if the motor triggers an overcurrent or overload alarm?
Start by checking the drive fault code and reviewing the motor’s operating conditions. Inspect the mechanical load for jamming, excessive friction, or abnormal resistance. Then check the motor power cable, connectors, winding condition, and drive current limits. If the alarm occurs during acceleration or frequent start-stop cycles, review the acceleration time, load inertia, and duty cycle.
Q7: How can encoder feedback problems be diagnosed?
Check whether the encoder connector is securely fitted and inspect the feedback cable for damage, loose contacts, or incorrect shielding and grounding. Use the drive diagnostic functions to review encoder communication and actual position feedback. If the position signal is unstable or missing, investigate the encoder, interface, cable, and drive configuration before returning the machine to operation.
Q8: What precautions should be taken when replacing this Siemens servo motor?
Verify the complete order number and confirm that the replacement has the same encoder type, shaft configuration, mounting arrangement, and brake specification. Disconnect the power supply and follow the machine’s electrical safety procedures before removal. After installation, check the motor wiring, grounding, encoder recognition, and drive parameters. Perform a low-speed test to verify rotation direction and feedback signals before resuming normal operation.
Siemens 1FK7042-2AF71-1RA0 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.
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.
