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S7720F-DNF2-F2

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The S7720F-DNF2-F2 is a digital servo amplifier produced by Kollmorgen. The amplifier is designed to be used exclusively for synchronous, asynchronous, and DC motors. It belongs to the overvoltage category III and features a built-in air blower that maintains dissipates excess heat by forced ventilation. A 3-character display is integrated into the front panel of the amplifier to communicate operation status.

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Product Description

Kollmorgen is an international engineering company that is renowned as a major producer of state-of-the-art industrial machines designed to improve industrial operations. With more than 100 years of experience, the company expertly combines its past experience with the latest industrial innovation to create amazing products that play major roles in ensuring industrial efficiency all over the world. The S7720F-DNF2-F2 digital servo amplifier is one of most sophisticated productions of the reputable company, this amplifier operates in combination with servo motors and ensures the accurate control of the speed, position and torque output of the motors during operation. It is intended to be used exclusively with synchronous, asynchronous, and DC motor designs. The S7720F-DNF2-F2 digital servo amplifier is manufactured to meet the IP20 protection class, for optimum protection it should be installed into an additional closed control cabinet that can meet at least the IP54 protection category.

The S7720F-DNF2-F2 servo amplifier operates with a rated supply voltage of about 208 to about 480 volts, also the rated input power required by the amplifier for continuous operation is about 50 kilovolts amperes. An air blower is integrated into the housing of the servo amplifier, the blower generates the air current that dissipates excess heat from the housing of the industrial servo amplifier.

The S7720F-DNF2-F2 servo amplifier is intended to be used at a ambient temperature that falls between 0 to about 40 degree celsius also the maximum permissible installation height for the servo amplifier is about 1000 meters above sea level. In the case of excessively high temperature in the control cabinet, the servo amplifier shits down to protect itself from overtemperature damage.

S7720F-DNF2-F2 Technical Specifications

Rated supply voltage : 3 × 208V to 480V
Residual Voltage drop at Current Rating: 6V
Rated Input power for continuous operation: 50kVA
Permitted Swicth on/off Frequency: 30 1/h
Rated DC bus link Voltage: 290 to 675V
Rated output current: 72A
Maximum input current : 140A
Weight: 13kg
Cooling : Forced Ventilation
Maximum noise emission: 68dB

Frequently Asked Questions about S7720F-DNF2-F2


Q: How does the S7720F-DNF2-F2 communicate operation errors?

A: A three character display is integrated into the front panel of the servo amplifier. This display unit communicates error message through the use of special error codes.

Q: What is the most appropriate orientation for the installation of the S7720F-DNF2-F2 servo amplifier?

A: The S7720F-DNF2-F2 servo amplifier should be mounted in a vertical position. This is to allow the easy circulation of cool air.

Q: What are the types of expansion cards integrated into the S7720F-DNF2-F2 servo amplifier?

A: The S7720F-DNF2-F2 servo amplifier features two major types of expansion cards. The DEVICENET and the Fan Controller expansion card.

Q: How many feedback devices can be used with the S7720F-DNF2-F2 at once?

A: Up to three feedback devices can be used with the amplifier. The amplifier supports the most common types of feedback designs.

Q: What does the "electronic gearing" functionality mean?

A: In the case of the electronic gearing functionality, the servo feedback is controlled by a secondary feedback device as a slave.

Internal Product Review

  • ‘‘Motion control is supper easy with this product, just configure it properly and enjoy. My best purcase in a long time. ’’

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