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Marvo Part ID: MV-AYRY

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Specification Description
Part Number 1FK7084-2AF71-1RH0
Alternative Part Number 1FK70842AF711RH0
Manufacturer Siemens
Rated Speed 2500 rpm
Maximum Speed (Mechanical) 6000 rpm
Maximum Speed (Inverter) 5400 rpm
Rated Current 18 A
Maximum Inverter Current 54 A
Optimum Power 3.2 kW
Static Torque (100 K) 20.0 Nm
Maximum Torque 61.0 Nm
Efficiency 93.0 %
Holding Brake Version Permanent-magnet brake
Holding Torque 22.0 Nm (Standard), 48.0 Nm (Reinforced brake option)
Moment of Inertia 35.500 kgcm² (Standard), 47.900 kgcm² (Reinforced brake option)
Power Supply Voltage DC 24 V ± 10 %
Coil Current 0.9 A (Standard), 1.0 A (Reinforced brake option)
Highest Braking Work 1400 J (Standard), 1900 J (Reinforced brake option)
Opening Time 200 ms
Closing Time 200 ms (Standard), 220 ms (Reinforced brake option)
Encoder System Encoder AM20DQI: Absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)
Cooling Natural cooling
Degree of Protection IP64
Motor Type Permanent-magnet synchronous motor
Shaft Height 80 mm
Design IM B5 (IM V1, IM V3)
Colour of Housing Standard (Anthracite RAL 7016), Special design (Jet black, matt RAL 9005)
Electrical Connection Connectors for signals and power, rotatable

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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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1FK7084-2AF71-1RH0 Product Description

The Siemens 1FK7084-2AF71-1RH0 is a high-performance synchronous motor renowned for its precision and reliability in a variety of industrial applications. This motor is part of the SIMOTICS S-1FK7 family, a range that is well-suited for tasks requiring dynamic movement and exact positioning.

Crafted with a compact design, the motor features a shaft height of 80 mm and is cooled naturally, ensuring efficient operation without the need for additional cooling mechanisms. It boasts an IP64 degree of protection, making it suitable for use in environments where dust and moisture resistance is essential.

The motor is equipped with a permanent-magnet brake, ensuring secure holding capabilities when the motor is not in operation. The brake is designed for quick engagement and disengagement, with an opening time of 200 ms and a closing time of 200 ms, providing a holding torque of 22.0 Nm.

With an optimum power output of 3.2 kW at a rated speed of 2500 rpm, the Siemens 1FK7084-2AF71-1RH0 delivers a maximum torque of 61.00 Nm, making it an excellent choice for applications that demand high torque at lower speeds. The motor can reach a maximum permissible speed of 6000 rpm mechanically, and 5400 rpm when operated with an inverter.

The encoder system integrated into the motor is an Encoder AM20DQI, which is an absolute encoder with a 20-bit resolution and a 12-bit multi-turn capability, allowing for precise feedback and control over a wide range of motion.

This motor is designed with a plain shaft end and features electrical connectors that are rotatable, providing flexibility in connection and ease of integration into existing systems. The inclusion of a Pt1000 temperature sensor allows for effective temperature monitoring, ensuring the motor operates within safe thermal limits.

Overall, the Siemens 1FK7084-2AF71-1RH0 is a robust and precise motor solution that is well-suited for applications such as machine tools, packaging machines, and other automation systems where high performance and reliability are paramount.

Frequently Asked Questions

What are the key features of this Siemens motor?

This Siemens motor is known for its high torque, optimum speed, and power, with a maximum permissible speed of 6000 rpm mechanically and 5400 rpm with an inverter. It also features a permanent-magnet brake holding brake with a holding torque of 22.0 Nm and a reinforced brake option for demanding applications.

Can you describe the brake specifications of this motor?

The motor comes with a permanent-magnet brake holding brake, which has an opening time of 200 ms and a closing time of 200 ms. The holding torque is rated at 22.0 Nm, ensuring reliable stopping and holding capabilities.

What type of cooling does the motor utilise?

The motor utilises natural cooling, which is efficient for its design and helps maintain optimal operating temperatures without the need for additional cooling mechanisms.

What is the rated inverter current for this motor?

The rated inverter current for the motor is 18 A, which is the recommended current for optimal performance when connected to an inverter.

What type of encoder system does the motor have?

The motor is equipped with an Encoder AM20DQI, which is an absolute encoder with a 20-bit resolution and a 12-bit multi-turn capability, providing precise positioning and feedback for complex motion control applications.

What is the efficiency rating of this motor?

The motor boasts an impressive efficiency rating of 93.0%, making it a highly efficient option for various industrial applications.

What are the electrical connection options for this motor?

The motor features electrical connectors that are rotatable for signals and power, providing flexibility and ease of installation in various configurations.

What is the significance of the paint finish on this motor?

The paint finish of jet black, matt RAL 9005, not only provides a sleek appearance but also offers additional protection against environmental factors, contributing to the durability of the motor.

How is the temperature monitored in this motor?

Temperature monitoring is achieved through a Pt1000 temperature sensor, which ensures the motor operates within safe temperature ranges and helps prevent overheating.

What is the maximum torque this motor can deliver?

The motor can deliver a maximum torque of 61.00 Nm, providing strong performance for applications requiring high torque output.