S7480A-SNF2-F2 Kollmorgen
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The S7480A-SNF2-F2 is a servo drive from Kollmorgen's S700 Servo Drives series. It has a rated current of 48 Arms and a peak current of 96 Arms, with input power supplied by three-phase AC ranging from 208 to 480 V. The drive features a coldplate cooling style, weighs 10.4 kilograms, and supports dual channel STO capability.
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Product Description:
The S7480A-SNF2-F2 servo drive is manufactured by Kollmorgen as part of the S700 Servo Drives series. In an automation cell, it sits between the motion controller and the motor, converting three-phase AC mains into regulated PWM output so that speed, torque, or position loops can be closed with high accuracy. Coldplate mounting and coated circuit boards make the unit suitable for cabinets where liquid or chilled-plate heat removal is preferred over forced air. This layout also supports precise axis control in machines that must respond quickly to changing command signals.
The drive tolerates an input range of 208–480 V and can draw up to 35 kVA from the supply. This input is rectified to a DC link that spans 290–675 VDC, providing stored energy for rapid load changes. Continuous motor current is limited to 48 Arms, while bursts reach 96 Arms during acceleration or shock loading. Compatibility with plant utilities is maintained at 50/60 Hz, and the power stage has a residual voltage drop of only 6 V, which helps keep thermal losses low. Current pulses are generated at an 8 kHz switching frequency. The power input is three-phase, and the slot-1 SynqNet interface offers deterministic bus communication. Dual-channel STO disables torque without cycling the main contactor, and the option details list coldplate construction plus coated PCBs for resistance to contaminants.
During regenerative braking, excess energy can be routed to an external brake rated at 8 kW with a 15 ohm resistor, which helps prevent DC-link overvoltage. Cooling airflow is supplied by a controlled fan managed through the dedicated expansion-card fan controller, so the blower runs only when required. Overall mass is 10.4 kg, which affects panel support requirements and coolant manifold layout. The fan control also reduces unnecessary airflow during lighter operating periods.
Frequently Asked Questions about S7480A-SNF2-F2:
Q: What is the supported DC bus voltage range for the S7480A-SNF2-F2 servo drive?
A: The S7480A-SNF2-F2 supports a DC bus voltage range of 290 to 675 VDC.
Q: What STO safety feature is available on the S7480A-SNF2-F2 servo drive?
A: This model offers dual channel Safe Torque Off (STO) capability.
Q: How is the S7480A-SNF2-F2 servo drive cooled?
A: The S7480A-SNF2-F2 features a coldplate cooling style for thermal management.
Q: What type of input power and rating does the S7480A-SNF2-F2 require?
A: The rated input power for this drive is 35 kVA with support for three-phase AC sources.
Q: What type of PCB protection does the S7480A-SNF2-F2 include?
A: A coated PCB finish provides additional protection in this model.
