Home Kollmorgen S700 Servo Drive Series S7720A-SEF2-S3

S7720A-SEF2-S3

Name: S7720A-SEF2-S3
Brand: Kollmorgen
Price: 396 USD
Rating: 4.7 (24 reviews)

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The Kollmorgen S7720A-SEF2-S3 digital servo amplifier incorporates a Sercos II expansion card in the first slot. It has an in-built fan for cooling. The device has autotuning and fast setup features.

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Description
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Product Description

The Kollmorgen S7720A-SEF2-S3 is a digital servo amplifier in the S700 series that is designed to be operated with a suitable servomotor in an electrical plant. The device has a rated current of 72 Arms and a rated voltage of 208 to 480 V. There are three slots on the servo amplifier. The first slot is equipped with the Sercos II expansion card. The bus system of this card has a ring topology, and it incorporates fiber optical cables. The second slot has the fan controller. The in-built fan of the unit has a protective grill, which can be cleaned with a dry brush. The third slot of the amplifier has the safety card S1-2, SIL 3. The unit must always be mounted on a conductive surface.

The S700 digital servo amplifier can be mounted in a vertical position. The device must be mounted and operated within a closed control cabinet. Adequate flow of air inside the cabinet should be ensured by the user to avoid overheating of the amplifier. The ambient temperature at which the device can be operated is between 0°C and 40°C under rated conditions. The leakage current of the product is over 3.5 mA. The device weighs 13 kg and is 190 mm wide. Only trained and well-qualified personnel should handle the setup, operation, maintenance, and transport of the unit.

The S700 digital servo amplifier has an Emergency Stop function that is defined by IEC 60204 specifications. The device also has an Emergency Off function that is used to turn off the machine’s electrical power supply. This protects users from risks from electrical energy, including electrical impact. The functional aspects for Emergency Off are mentioned in IEC 60364-5-53 specifications.

S7720A-SEF2-S3 Technical Specifications

Family:	S700
Enclosure Protection:	IP 20 according to IEC 60529
Voltage Rating:	208 to 480 V
Nameplate:	Yes
Width:	190 mm
Humidity in Operation:	85%
Expansion Card in Slot 1:	Sercos II
Enclosure Protection:	IP 20 according to IEC 60529
Number of Characters in LED Display:	3 Characters
Storage Humidity:	5 to 95%

Frequently Asked Questions about S7720A-SEF2-S3

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

A: If the S700 digital servo amplifier gets overheated, it will switch itself off. So, an adequate flow of cool, filtered air should be ensured within the control cabinet.

Q: What is the rated DC bus link voltage of the S700 digital servo amplifier?

A: The rated DC bus link voltage of the S700 digital servo amplifier is 290 to 675 V.

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 between -25°C and +55°C.

Q: Does wrong wiring damage the S700 digital servo amplifier?

A: Yes, wrong wiring can damage the S700 digital servo amplifier. The wiring should be done according to the connection diagram provided in the product manual.

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

A: The Emergency Stop function of the S700 digital servo amplifier is used to shut down the machine quickly in a dangerous situation.