S7480A-DNF2-S3 Kollmorgen
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The Kollmorgen S7480A-DNF2-S3 is an S700 Servo Drive with a body height of 386 mm, a width of 190 mm, and a depth of 244 mm. This drive has a rated current of 48 Arms, a peak output current of 96 Arms, and a rated input power of 35 kVA. It features dual channel STO capability, coldplate and coated PCBs, and a noise emission of 62 dB(A).
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Product Description:
The S7480A-DNF2-S3 servo drive is manufactured by Kollmorgen as part of the S700 Servo Drives series. It converts incoming AC power to regulated, three-phase output that controls motor torque, velocity, and position in automated machinery. Integrated current and voltage feedback loops allow the drive to maintain commanded motion profiles while protecting the connected motor and power stage. The unit is intended for panel mounting inside a control cabinet and supports demanding applications such as multi-axis gantries, web-processing lines, and high-speed pick-and-place equipment.
This model operates from a three-phase input range of 208 to 480 V and can draw up to 35 kVA of apparent power at full load. Continuous machine duty is supported by a rated output current of 48 Arms, while acceleration and transient peaks are handled by a short-term capability of 96 Arms. An output-current form factor of 1.01 indicates nearly sinusoidal motor current, minimizing additional heating. Pulse-width modulation is executed at 8 kHz, which improves response bandwidth and reduces audible motor noise. Functional safety is provided by a dual-channel STO circuit that disables torque within microseconds during an emergency stop. A residual voltage drop of 6 V across the power stage, a maximum of 30 switch cycles per hour, and a fan-controller expansion card set its thermal and switching limits. The drive also includes conduction cooling via a coldplate and conformally coated PCBs for operation in environments with airborne moisture or particulates.
The housing measures 244 mm deep, 386 mm high, and 190 mm wide, with the coldplate version weighing 10.4 kg. Noise emission is limited to 62 dB(A) at nominal load, supporting placement in operator-accessible cabinets. The coated boards and sealed power section enhance resistance to condensation, while the coldplate base allows heat to be removed through the control panel backplate instead of relying solely on forced air. The integrated fan controller modulates auxiliary blowers as needed, balancing thermal performance with energy use.
Frequently Asked Questions about S7480A-DNF2-S3:
Q: What voltage range does the S7480A-DNF2-S3 servo drive support?
A: The S7480A-DNF2-S3 supports a voltage range of 208 to 480 volts, making it compatible with a variety of industrial power supplies.
Q: What is the peak output current of the S7480A-DNF2-S3 drive?
A: This model provides a peak output current of 96 Arms, allowing it to handle demanding loads during short bursts.
Q: What safety feature is included in the S7480A-DNF2-S3 servo drive?
A: The S7480A-DNF2-S3 is equipped with dual channel Safe Torque Off (STO) for enhanced machine safety.
Q: What is the rated input power of the S7480A-DNF2-S3?
A: The rated input power for this servo drive is 35 kVA, accommodating high power requirements.
Q: What type of expansion card comes with the S7480A-DNF2-S3 servo drive?
A: A fan controller is installed as an expansion card in the S7480A-DNF2-S3, assisting in thermal management.
