S7720A-FBF2-S3
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The Kollmorgen S7720A-FBF2-S3 digital servo amplifier incorporates the FB-2 to 1 expansion card in the first slot. The device has Emergency Stop and Emergency Off functions. Its voltage rating is 208 to 480 V.
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Product Description:
The Kollmorgen S7720A-FBF2-S3 is a digital servo amplifier that has a two-channel STO function. The behavior of the device depends on the current settings of the different parameters. Wrong mains voltage, wrong wiring, or an unsuitable motor will damage the unit. The combination of the amplifier and the motor must be checked. The rated voltage and rated current of the devices must be verified. Excessively high external fusing can endanger cables and devices. It should be noted that correct wiring is crucial for the reliable functioning of the system. The power and control cables must be separately routed. A distance of at least 200 mm is recommended to improve interference immunity.
The status of the servo amplifier should be monitored by the PLC to acknowledge critical situations. If the motor cables are longer than 25 m, a motor choke (3YLN) needs to be used, depending on the system. The residual voltage drop of the device at the rated current is 6 V. The unit has a maximum noise emission of 68 dB (A). The height of the amplifier with connectors and shielding plate is 505 mm. It is possible to connect an external brake resistor to X8 (-RB, +RB). Before handling the components of the product, the voltage in the DC bus link must be measured, and the user should wait until the voltage drops below 60 V.
Devices that produce magnetic fields must not be mounted directly beside the S700 digital servo amplifier. Strong magnetic fields can affect the internal components of the drive. The product should be mounted and operated in a closed control cabinet. The device has an enclosure protection of IP 20 in accordance with IEC 60529 specifications.
Frequently Asked Questions about S7720A-FBF2-S3:
Q: What should be done before touching the surface of the S700 digital servo amplifier?
A: The surface temperature of the S700 digital servo amplifier can exceed 80°C. So, before touching the unit, the user should measure the temperature and wait until the temperature of the servomotor has dropped below 40°C.
Q: What is the permitted switch on and off frequency of the S700 digital servo amplifier?
A: The permitted switch on and off frequency of the S700 digital servo amplifier is 30 1/h.
Q: What will happen if the permissible current or voltage values of the S700 digital servo amplifier are exceeded?
A: If the permissible current or voltage values of the S700 digital servo amplifier are exceeded, the device can be damaged.
Q: Can the S700 digital servo amplifier be modified?
A: No, the S700 digital servo amplifier must not be modified without permission from the manufacturer. The warranty becomes void, and the certificates become invalid upon opening the housing of the unit.
Q: Can the S700 digital servo amplifier control a holding brake?
A: Yes, the S700 digital servo amplifier can directly control a 24V holding brake with up to 3 A in the servomotor.
