Home Kollmorgen S700 Servo Drive Series S7720A-DNF2-NA

S7720A-DNF2-NA

Name: S7720A-DNF2-NA
Brand: Kollmorgen
Price: 446 USD
Rating: 4.4 (36 reviews)

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The S7720A-DNF2-NA digital servo amplifier from Kollmorgen comes with EMC filters onboard. This servo amplifier supports Ethernet connectivity. Its wiring must be done with 60 °C/75 °C copper wire.

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Description
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Product Description

The S7720A-DNF2-NA digital servo amplifier from Kollmorgen can be operated with a brushless synchronous servomotor with a closed loop control of torque, speed, and position control. This servo amplifier can also be connected to a third-party stepper motor controller. The product comes with integrated EMC filters that work only with an AC input. This device also incorporates a power supply that renders inrush current protection by limiting the input current during power up. The unit should be used with a motor featuring a rated voltage that is at least as high as the DC bus link voltage of the amplifier. It must not be used on ships and for offshore applications. This amplifier can control the holding brake of the connected motor.

The product must be handled by the user only after taking the necessary steps to discharge himself/herself. This device must always be placed on a conductive surface. The unit should be free of condensation all the time as this can result in its damage. It portrays a 2K3 class and a maximum relative humidity of 95% according to EN61800-2 and EN60721-3-1 specifications during its transportation. This amplifier must be decommissioned only after at least ten minutes of disconnecting it from the power supply.

The product disassembly is meant to be done by professional staff who are qualified in electrical engineering. This device has a voltage rise speed of 4 kV/µs at 3 x 400 VAC. The unit has two rotary switches in front of its DeviceNet expansion card to set the station address to a value starting from 00 to 63. Its transmission speed can be set in three ways. This servo amplifier has an EEPROM.

S7720A-DNF2-NA Technical Specifications

Series:	S700
Current Controller Bandwidth:	> 1.2 kHz
Voltage Rating:	3 x 208 to 480 VAC +/-10%
Current Rating:	72 Arms
Electrical/Mechanical Option:	Coldplate and Coated
Expansion Card in Slot 1:	DeviceNet
Expansion Card in Slot 2:	Fan Control
Expansion Card in Slot 3:	None
Output Current Form Factor:	1.01
Maximum Noise Emission:	68 dB (A)

Frequently Asked Questions about S7720A-DNF2-NA

Q: Do all codes shown on the LED display of the S700 amplifier result in its shutdown?

A: No, all codes shown on the LED display of the S700 amplifier do result in its shutdown and most of such codes begin with the prefix 'n'.

Q: When should the STO function of the S700 amplifier not be used?

A: The STO function of the S700 amplifier should not be used during cleaning, maintenance and repair operations; emergency-off situations; and/or long inoperative periods.

Q: Where must the Warning: Automatic Restart at Power On warning sign be placed when the AENA parameter of the S700 amplifier is set to 1?

A: The Warning: Automatic Restart at Power On warning sign must be placed on the machine in which the S700 amplifier is set to 1 when its AENA parameter is set to 1.

Q: How can uploads and downloads from and to the memory card of the S700 amplifier be initiated?

A: Uploads and downloads from and to the memory card of the S700 amplifier can be initiated by using the keypad or setup software of the amplifier.

Q: Why must the S700 amplifier not be placed on a painted surface?

A: The S700 amplifier must not be placed on a painted surface because this makes the surface non-conductive and destroys the electrostatically sensitive components of the amplifier.