S7480C-2CF2-S4 Kollmorgen
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The Kollmorgen S7480C-2CF2-S4 is a servo drive from the S700 Servo Drives series, weighing 10.4 kg and measuring 386 mm in height and 190 mm in width. It features a voltage rating of 208 to 480 volts, a rated input power of 35 kVA, and supports a peak output current of 96 Arms. The drive is equipped with two CAN ports, nine safety inputs, and has a dual channel STO safety function.
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Product Description:
The S7480C-2CF2-S4 is a servo amplifier built by Kollmorgen within the S700 Servo Drives series. It regulates three-phase brushless motors used in packaging lines, material-handling cells, and general automation equipment by converting incoming AC power into a controlled output voltage and current profile. Its control platform provides position, velocity, and torque loops so motion controllers can command axes precisely through the drive’s fieldbus ports.
The drive accepts a mains supply from 208 to 480 V, allowing the same hardware to be used on both 230 V and 400 V factory networks. With a rated input capacity of 35 kVA, the power section can continuously source 48 Arms to the motor, while transient demands are covered by a peak capability of 96 Arms for acceleration or shock loads. The output is pulse-width modulated at 8 kHz, which supports high current resolution and low audible noise. Thermal loading must be considered because conduction losses reach 685 W at the top of the input range, while idle operation draws only 24 W. The coldplate option transfers this heat directly to the machine frame, and an internal fan starts at 65 °C to supplement conduction. Cabinet planning is aided by a height of 386 mm and a width of 190 mm.
The integrated dual-channel STO circuit can be wired through nine separate safety inputs to meet stop requirements without mechanical relays. Regenerative energy is handled by an external brake path rated for 8 kW and intended for a 15 Ω resistor, which helps prevent DC-bus overvoltage during rapid deceleration. Networking is simplified by two CANopen ports, and the built-in 120 Ω termination can be enabled for the last node in a chain. A fan-controller expansion card monitors blower speed so the power stack stays within its operating limits. The aluminum housing weighs only 10.4 kg, which helps reduce handling effort during installation on sliding DIN-rail brackets.
