Part Number: S7720F-NAF2-S4
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.3 (15 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
  • Call for Expedited Shipping and Product Condition Options
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The Kollmorgen S7720F-NAF2-S4 digital servo amplifier has a built-in fan for ventilation with a fan controller in the second slot. The device should be mounted on a conductive surface.

Part Number: S7720F-NAF2-S4
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.3 (15 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
  • Call for Expedited Shipping and Product Condition Options
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The Kollmorgen S7720F-NAF2-S4 digital servo amplifier has a built-in fan for ventilation with a fan controller in the second slot. The device should be mounted on a conductive surface.

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1-year-warranty Wake Industrial Warranty
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Product Description

The Kollmorgen S7720F-NAF2-S4 is a reliable digital servo amplifier that provides the fastest feedback evaluation in the market. The device has cogging suppression capability. The unit can be operated with brushless synchronous and asynchronous servomotors and DC motors controlled by speed, torque, and/or position. The product should be mounted and operated only within a closed control cabinet, considering the ambient conditions defined in the product documentation. Periodic overvoltage between the phases L1, L2, and L3 and the housing of the unit should not exceed 1000 V crest. The device weighs 13 kg.

The S700 digital servo amplifier should be transported only by qualified personnel in the original recyclable packaging provided by the manufacturer. If the packaging seems to be damaged, the product should be inspected for visible damage. If there is visible damage, the shipper and the manufacturer should be immediately informed. The device should be packed in recyclable cardboard with inserts. The ambient transport temperature of the product is between -25°C and +70°C. There is a nameplate that carries the technical details of the device.

In general, the S700 digital servo amplifier does not require any maintenance. The user can clean the casing of the device using isopropanol or a similar cleaning agent. This unit does not have motor over-temperature sensing. The servo amplifier is fully programmable through the RS232 interface. The device is completely under digital control. The user should not modify the product without the manufacturer’s permission. There is a risk of burns and blinding. The user should wait at least eight minutes after disconnecting the device from the main supply before touching the live sections of the equipment or removing any connections.

S7720F-NAF2-S4 Technical Specifications

Family: S700
Maximum Stacking Height: 3 Cartons
Current Rating: 72 Arms
Voltage Rating: 208 to 480 V
Electrical/Mechanical Option: Coated PCBs
Expansion Card in Slot 1: NA
Expansion Card in Slot 2: Fan Controller
Expansion Card in Slot 3: Safety card S2-2, SIL 2
Rated DC Bus Link Voltage: 290 to 675 V
Width: 190 mm

Frequently Asked Questions about S7720F-NAF2-S4


Q: Can the S700 digital servo amplifier by sprayed with or immersed in water or any other liquid?

A: No, the S700 digital servo amplifier must not be sprayed with or immersed in water or any other liquid for cleaning or any other purposes.

Q: Should the S700 digital servo amplifier be used in a closed control cabinet?

A: Yes, the S700 digital servo amplifier must be used only in a closed control cabinet.

Q: How long can the S700 digital servo amplifier be stored without restrictions?

A: The S700 digital servo amplifier can be stored for one year without restrictions.

Q: What is the ambient storage temperature of the S700 digital servo amplifier?

A: The ambient storage temperature of the S700 digital servo amplifier is -25 to +55°C.

Q: Does the S700 digital servo amplifier cause high-frequency interference in non-industrial environments?

A: Yes, the S700 digital servo amplifier can cause high-frequency interference in non-industrial environments. Measures for interference suppression like additional external EMC filters should be implemented.

Internal Product Review

  • ‘‘The Kollmorgen S7720F-NAF2-S4 is a reliable digital servo amplifier that is designed to be operated as an integral part of an electrical plant or machine.’’

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