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Siemens
1FK7042-5AF71-1EH3
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 1FK7042-5AF71-1EH3 |
| Alternative Part Number | 1FK70425AF711EH3 |
| Manufacturer | Siemens |
| Product Type | Servo Motor |
| Rated Power | 0.82 kW |
| Rated Speed | 3000 rpm |
| Rated Torque | 3 Nm |
| Maximum Speed (Mechanical) | 9000 rpm |
| Maximum Torque | 10.5 Nm |
| Rated Current | 2.20 A |
| Stall Current (100 K) | 1.9 A |
| Moment of Inertia | 3.450 kgcm² |
| Motor Type | Permanent-magnet synchronous motor |
| Cooling Type | Naturally cooled |
| Degree of Protection | IP64 |
| Encoder System | Encoder AM2048S/R: absolute encoder 2048 S/R, 4096 revolutions multi-turn, with EnDat interface |
| Holding Brake | Permanent-magnet brake |
| Housing Colour | Standard (Anthracite RAL 7016) or Special design options available |
| Power Supply Voltage | DC 24 V ± 10 % |
| Efficiency | 89.0 % |
| Shaft Height | 48 |
| Design | IM B5 (IM V1, IM V3) |
| Connector Size | Connectors for signals and power rotatable |
| Paint Finish | Standard or special design options available |
| Commodity Code | 850152 |
The Siemens 1FK7042-5AF71-1EH3 is a high-performance synchronous servo motor renowned for its compact design and dynamic response. Engineered to deliver a power output of 0.82 kW at a speed of 3000 rpm, this motor is an ideal solution for a variety of automation applications requiring precise motion control. With a rated torque of 3 Nm and a maximum torque of up to 10.5 Nm, it ensures optimal performance even under demanding conditions.
This servo motor is naturally cooled and comes with a standard anthracite RAL 7016 housing, providing a robust and durable exterior. It features a plain shaft with a holding brake and an absolute encoder with EnDat interface, offering high-resolution feedback for accurate positioning tasks. The motor's electrical connectors are designed to be rotatable by 270°, adding to the flexibility and ease of installation in various orientations.
The 1FK7042-5AF71-1EH3 is designed with a focus on reliability and efficiency, boasting an impressive efficiency rate of 89.0%. Its mechanical data includes a moment of inertia of 3.450 kgcm², ensuring stable and smooth operation. The motor is also equipped with a KTY84 temperature sensor in the stator winding for reliable temperature monitoring, ensuring long-term performance and protection against overheating.
With its advanced features and reliable performance, the Siemens 1FK7042-5AF71-1EH3 servo motor is a superb choice for engineers and integrators looking to enhance their automation systems with a motor that offers both precision and power.
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Frequently Asked Questions
What are the key features of this servo motor?
This servo motor is known for its compact design, natural cooling, and high efficiency. It offers a rated speed of 3000 rpm, a rated torque of 3.0 Nm, and a power output of 0.82 kW. It also includes an absolute encoder and a holding brake for precise control.
Can the connectors on this motor be repositioned?
Yes, the power and signal connectors on this motor can be rotated by 270 degrees, allowing for flexible installation in various orientations.
What type of cooling does the motor use?
The motor utilises natural cooling, which means it relies on the natural convection of air to dissipate heat without the need for additional cooling mechanisms.
What is the maximum permissible speed of the motor?
The maximum permissible speed for mechanical operation of the motor is 9000 rpm, which is the limit for safe operation without risk of damage.
How is the temperature of the motor monitored?
The motor is equipped with a KTY84 temperature sensor in the stator winding, which helps monitor the temperature to ensure the motor operates within safe limits.
What type of encoder does the motor have?
The motor comes with an Encoder AM2048S/R, which is an absolute encoder with 2048 S/R and 4096 revolutions multi-turn capability, featuring an EnDat interface for high-resolution position feedback.
What is the degree of protection for this motor?
The motor has a degree of protection rated at IP64, which means it is protected against dust ingress and splashing water, making it suitable for a variety of industrial environments.
What is the significance of the motor's paint finish?
The paint finish provides an additional layer of protection against corrosion and wear, and it also gives the motor a professional appearance. The standard finish is Anthracite RAL 7016, but special designs with different colours like Light gray RAL 7035 or Cream white RAL 9001 are available.
What is the holding torque of the motor's brake?
The holding brake of the motor provides a holding torque of 4.0 Nm, which is used to maintain the position of the motor shaft when power is not applied.
What are the electrical constants of the motor?
The motor has a winding resistance of 5.15 Ohms at 20º C, a voltage constant of 89.0 V/1000 min¯¹, and an electrical time constant of 2.37 ms, which are important for understanding the motor's performance in electrical circuits.
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