S7720A-DNF2-S3
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The Kollmorgen S7720A-DNF2-S3 digital servo amplifier is equipped with a DeviceNet expansion card in the first slot. The device has an in-built fan for cooling. It weighs 13 kg.
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Product Description:
The Kollmorgen S7720A-DNF2-S3 is a digital servo amplifier that should always be placed on a conductive surface. The device must be stored only in the original recyclable packaging of the manufacturer. The unit incorporates the DeviceNet expansion module in the first slot. The transmission speed of this card can be set in three different ways. The second slot contains the fan controller, and the third slot contains the safety card S1-2, SIL 3 expansion card. If the product is stored for more than one year, its capacitors should be re-formed before operating the amplifier. This can be done by removing all the electrical connections and applying one-phase 230V AC for 30 minutes to the L1 and L2 terminals.
It should be noted that the S700 digital servo amplifier should not be immersed in or sprayed with any liquid for cleaning. The dirt inside the device should be cleaned only by the manufacturer. The user can clean the protective grill on the fan using a dry brush. Only 60°C or 75°C copper wires must be used for wiring this product. The device does not have motor over-temperature sensing. There is a nameplate attached to the side of the unit for identification. The servo amplifier is equipped with a digital current controller and an adjustable digital speed controller. The device has a 3M1 vibration class according to IEC 60721-3-3 specifications.
The S700 digital servo amplifier tends to shut down in the event of an excessively high temperature inside the control cabinet. Sufficient forced ventilation must be ensured within the control cabinet. The device has a built-in safety function called STO that can be used to turn off the drive, thereby ensuring functional safety at the drive shaft.
Frequently Asked Questions about S7720A-DNF2-S3:
Q: Can the S700 digital servo amplifier control a holding brake?
A: Yes, the S700 digital servo amplifier can directly control the 24 V holding brake of the motor. The amplifier can directly control brakes with up to 3 A.
Q: What is the leakage current of the S700 digital servo amplifier?
A: The leakage current of the S700 digital servo amplifier is more than 3.5 mA.
Q: What can be used to alter the settings of the S700 digital servo amplifier?
A: The setup software of the S700 digital servo amplifier, DRIVEGUI.EXE, can be used to alter its settings. Other alterations will void the warranty.
Q: What is the maximum operating temperature of the S700 digital servo amplifier?
A: The maximum operating temperature of the S700 digital servo amplifier must be maintained at 40°C under rated conditions.
Q: Is there a danger of electrical arcing in the S700 digital servo amplifier?
A: Yes, there is a high risk of electrical arcing in the S700 digital servo amplifier when disconnecting connectors, as capacitors can have dangerous voltages for nearly eight minutes even after switching off the main power supply.
