Part Number: S7720A-EIF2-S4
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.5 (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 S7720A-EIF2-S4 digital servo amplifier is equipped with the I/O extension card, fan controller, and safety card S2-2, SIL 2 in its three slots. The device has a current rating of 72 Arms.

Part Number: S7720A-EIF2-S4
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.5 (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 S7720A-EIF2-S4 digital servo amplifier is equipped with the I/O extension card, fan controller, and safety card S2-2, SIL 2 in its three slots. The device has a current rating of 72 Arms.

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1-year-warranty Wake Industrial Warranty
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Product Description

The S7720A-EIF2-S4 is a digital servo amplifier from Kollmorgen. The device can be operated as an integral part of an electrical plant. The unit features a memory card for firmware and parameter updates. Its autotuning feature facilitates faster setup. If the product is used in residential areas, business and commercial areas, or small-industrial operations, the user must implement additional filter measures. It should be noted that the commissioning of the device is prohibited if the equipment in which it is installed fails to meet the requirements of the EC Machinery Directive, the EMC Directive, or the Low Voltage Directive.

Shocks should be avoided when transporting the S700 digital servo amplifier. Care should be exercised to ensure that the device does not come into contact with highly insulating materials. If the casing of the unit is dirty, it can be cleaned using isopropanol or a similar cleaning agent. The product is not equipped with motor over-temperature sensing. The user can fully program the servo amplifier via the RS232 interface. There is an integrated position controller that incorporates adaptation possibilities for all applications. The unit has an integrated 24V step and direction interface to connect the motor to the stepper controller.

The S700 digital servo amplifier has an enclosure protection rating of IP 20 as per IEC 60529 specifications. The device shuts down if the temperature inside the control cabinet is excessively high. The user should ensure that there is adequate forced ventilation within the cabinet. The built-in safety function STO is used to turn off the drive, thereby enabling functional safety at the drive shaft.

S7720A-EIF2-S4 Technical Specifications

Family: S700
Leakage Current: More than 3.5 mA
Fast Setup: Yes
Cogging Suppression: Yes
Nameplate: Yes
Rated DC Bus Link Voltage: 290 – 675 V
Rated Input Power for Continuous Operation: 50 kVA
Bandwidth of Current Controller: > 1.2 (bis 5) kHz
Closed Control Cabinet: Yes
Ambient Operating Temperature: 0 to +40°C under rated conditions

Frequently Asked Questions about S7720A-EIF2-S4


Q: Who can perform the repair of the S700 digital servo amplifier?

A: The repair of the S700 digital servo amplifier must be performed only by the manufacturer. Opening the unit voids the warranty.

Q: What is the switching frequency of the output stage of the S700 digital servo amplifier?

A: The switching frequency of the output stage of the S700 digital servo amplifier is 8 kHz.

Q: What will happen if the S700 digital servo amplifier is not handled properly?

A: Improper handling of the S700 digital servo amplifier can result in damage to property and injury to people.

Q: What is the use of the Stop function in the S700 digital servo amplifier?

A: The Stop function in the S700 digital servo amplifier is used to shut down the machine in normal operation. The Stop functions are defined by IEC 60204.

Q: What will happen if the S700 digital servo amplifier gets overheated?

A: The S700 digital servo amplifier will switch itself off when it gets overheated. An adequate flow of cool, filtered air into the bottom of the control cabinet should be ensured to avoid overheating.

Internal Product Review

  • ‘‘The Kollmorgen S7720A-EIF2-S4 is a reliable digital servo amplifier that features excellent autotuning and fast setup capabilities.’’

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