S7480A-EIF2-PM Kollmorgen
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The Kollmorgen S7480A-EIF2-PM is a 10.4 kilogram servo drive from the S700 Servo Drives series, featuring body dimensions of 386 mm in height, 190 mm in width, and 244 mm in depth. This model offers a rated current of 48 Arms, a rated input power of 35 kVA, and supports a voltage range of 208 to 480 V. It is equipped with a dual channel STO safety function, a fan controller expansion card, and coldplate with coated PCBs.
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Product Description:
The S7480A-EIF2-PM is a servo drive manufactured by Kollmorgen within the S700 Servo Drives series. Designed for mid- to high-power servo axes, the unit conditions three-phase mains power and delivers regulated output current to synchronous or induction motors in automated machinery. By embedding feedback processing and motion safety, it serves as the central power interface between a PLC-based controller and the motor load.
Electrical performance centers on a continuous phase output of 48 Arms, allowing the drive to energize sizable motors without derating across the 208 to 480 V AC input window. A carrier switching frequency of 8 kHz shapes the pulse-width-modulated output so torque ripple stays low even at slow speeds. Functional safety is integrated through a dual-channel STO circuit that removes torque-producing energy when both channels are asserted. When operating at the top line voltage, the power stage releases 685 W of heat, so external cooling is required. A separate measurement shows that only 24 W are lost when the output section is disabled, and an onboard fan-controller expansion card automatically adjusts airflow. The cold-plate option also helps protect the coated PCBs from thermal cycling and airborne contaminants.
Input demand peaks at 35 kVA, so supply breakers and cabling must be sized for high inrush and steady operating current. The insulated-gate output exhibits a voltage slew of 4.8 kV/µs, and the residual voltage drop across the power channel is limited to 6 V, helping reduce motor heating. Mechanical integration is supported by a width of 190 mm, a depth of 244 mm, and a height of 386 mm, while the aluminum cold plate helps keep internal layers thermally stable. The installation weight is 10.4 kg, which supports straightforward panel mounting. After field wiring is completed, the dual-channel STO inputs and coated electronics help maintain reliable operation in washdown or particulate zones, and the low 24 W idle loss helps reduce enclosure temperature during standby.
