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S7720F-EIF2-F2

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The S7720F-EIF2-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 has been in operation for more than 100 years, the company specializes in the production of state-of-the-art motion and motion control devices that are designed to improve the operation of industrial applications. The S7720F-EIF2-F2 is one of such productions of the reputable company, it is a digital servo amplifier intended to carry out the accurate control of the speed, position, and torque output of brushless synchronous, asynchronous, and DC servo motor. The servo amplifier is manufactured by highly trained engineers, it is a maintenance free device, and it is tested and certified to be perfectly safe and durable for operation before it is delivered. The servo amplifier is unlike convectional industrial machines, it has a user-friendly interface that makes control, troubleshooting, and diagnosis operation very easy and straightforward.

The S7720F-EIF2-F2 servo amplifier belongs to the overvoltage category III according to EN 61800-5-1, during operation, it can be supplied from 3-phase grounded industrial supply networks such as the (TN-system, and the TT system with grounded neutral point. The rated supply voltage used by the servo amplifier for optimum operation is about 208 to 480 volts, at this supply voltage the servo amplifier generates an output current of 72 amperes and operates with a continuous input power of about 50 kilowatts ampere.

The S7720F-EIF2-F2 servo amplifier is designed to be used with a AC input power for single and group installations, DC mains input power can also be used with the amplifier, however this will require the operator to review the DC installations and evaluate it for branch circuit protection, wire size, voltage rating, fuse protection, system dielectric requirements, overvoltage, and input current rating. a

S7720F-EIF2-F2 Technical Specifications

Expansion cards : I/O extension, Fan controller
Memory card slot: Present
Current Rating: 72A
Maximum input current: 140A
Weight: 13kg
Voltage rating. : 208 to 408V
Cooling: Forced Ventilation
Protection class : IP20
Maximum noise emission: 68dB
Rated DC Bus voltage : 290 to 675V

Frequently Asked Questions about S7720F-EIF2-F2


Q: Is the S7720F-EIF2-F2 a maintenance free device?

A: Yes. The servo amplifier does not require any maintenance operation. Opening the housing of the amplifier for maintenance voids the warranty.

Q: How does the S7720F-EIF2-F2 servo amplifier communicate with the operator?

A: Communication between the S7720F-EIF2-F2 servo amplifier and the operator is through the 3-character display integrated unto the front panel of the device. This display pass messages through the use of short codes.

Q: How does wake industrial handle the delivery of the servo amplifier?

A: The delivery of the S7720F-EIF2-F2 servo amplifier is done through our trusted partners which include FedEx, UPS, and DHL.

Q: How can operators protect the amplifier from electrotstatic charge?

A: Operators should ensure they are properly discharged before touching the amplifier. Also, contact with highly insulating materials should be avoided.

Q: Is the S7720F-EIF2-F2 servo amplifier suited for use in harsh environmental conditions?

A: The S7720F-EIF2-F2 amplifier is not built for operation in harsh environment. Operation in potentially explosive areas,ships, and offshore applications should also be avoided.

Internal Product Review

  • ‘‘The product arrived in perfect condition, it also came with a details documentation that made its installation and configuration very easy. ’’

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