S7480A-SNF2-S4 Kollmorgen
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The S7480A-SNF2-S4 is a servo drive manufactured by Kollmorgen and is part of the S700 Servo Drives series. This model has a rated input power of 35 kVA, operates at a voltage rating between 208 and 480 V, and has a peak output current of 96 Arms. The drive weighs 10.4 kg, has seven programmable safe inputs and four programmable safe outputs, and uses dual channel STO capability.
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Product Description:
The S7480A-SNF2-S4 is a servo drive produced by Kollmorgen and delivered as part of the S700 Servo Drives series. In an automation cell, it receives commanded torque or velocity data, modulates three-phase power, and supplies synchronous or induction motors with regulated current so axes follow motion profiles accurately. By combining field-oriented control with integrated safety circuitry, the unit serves as the central power interface between a PLC or motion controller and the driven motor.
During continuous operation, the drive delivers a rated current of 48 Arms with an output current form factor of 1.01, ensuring near-sinusoidal motor currents and low harmonic heating. For short accelerations, it can supply up to 96 Arms, and the associated power stage is sized for a nominal input of 35 kVA from three-phase mains within a supply window of 208 to 480 V. Pulse-width modulation is executed at 8 kHz, keeping acoustic noise moderate while supporting quick torque response. A residual voltage drop of 6 V across the power semiconductors is specified. Functional safety is addressed through dual-channel STO and by seven programmable safe inputs together with four programmable safe outputs that can be mapped to application events. Two RJ45 SynqNet ports provide deterministic network connectivity, and an onboard fan controller expansion card supervises cooling airflow.
The drive is supplied as a coldplate variant with coated PCBs, allowing direct mounting to machine manifolds. Thermal coupling is characterized by a coldplate resistance of 0.055 K/W. The internal fan is commanded at an enclosure temperature of 65 °C, and operation must cease if the coldplate center reaches 75 °C. Physical dimensions without connectors are 386 mm in height, 190 mm in width, and 244 mm in depth, while the assembly mass is 10.4 kg. These attributes permit dense cabinet layouts where ambient temperatures are controlled but space is limited.
Frequently Asked Questions about S7480A-SNF2-S4:
Q: What is the peak output current of the Kollmorgen S7480A-SNF2-S4 servo drive?
A: The S7480A-SNF2-S4 servo drive has a peak output current of 96 Arms for demanding motion control applications.
Q: How many programmable safe inputs and outputs are available on the S7480A-SNF2-S4?
A: This drive features 7 programmable safe inputs and 4 programmable safe outputs for enhanced safety integration.
Q: What is the rated input power of the S7480A-SNF2-S4 servo drive?
A: The rated input power for this servo drive is 35 kVA, supporting high-power operation.
Q: What safety feature does the S7480A-SNF2-S4 offer with its STO capability?
A: The S7480A-SNF2-S4 includes a dual channel STO (Safe Torque Off) capability to meet safety requirements.
Q: How many Synqnet ports are present on the S7480A-SNF2-S4 servo drive and what type are they?
A: Two Synqnet RJ45 ports are provided for high-speed communication with motion controllers.
