S7480A-EIF2-S4 Kollmorgen
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The Kollmorgen S7480A-EIF2-S4 is part of the S700 Servo Drives series and features a dual channel STO capability. This servo drive offers a peak output current of 96 Arms, rated input power of 35 kVA, and operates with a voltage rating between 208 and 480 volts. It measures 386 mm in height, 190 mm in width, 244 mm in depth, and weighs 10.4 kilograms with coldplate and coated PCBs.
Internal Product Review
The S7480A-EIF2-S4 is a Kollmorgen S700 servo drive with a 208...480V rating and 48 Arms rated current. Fourteen digital inputs and eight digital outputs give the drive strong integration flexibility for complex control schemes. Dual-channel STO adds valuable safety performance, making this model a very capable motion platform.
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Product Description:
The S7480A-EIF2-S4 is a servo drive produced by Kollmorgen and belongs to the S700 Servo Drives series. Inside an automation cell, this unit supplies regulated three-phase power to a matched motor. It closes the velocity and torque loops required for precise motion profiles during controlled axis movement. This makes it suitable for positioning tasks that depend on repeatable motor response and stable speed regulation.
The drive accepts line voltages from 208...480 V and converts them at a switching frequency of 8 kHz to reduce current ripple delivered to the motor. Under continuous operation, it provides 48 Arms, and for rapid acceleration it can supply a peak of 96 Arms. Maximum apparent input power reaches 35 kVA, which is used when sizing upstream contactors and cabling. Fourteen digital inputs and eight digital outputs permit direct wiring of limit switches, drive enables, and field sensors, while a dual-channel STO function removes torque without relying on the main contactor. This arrangement allows the drive to respond directly to machine interlocks and safety-related stop commands during normal operation. A 4 AT external fuse protects the DC link against short-circuit faults, and a plug-in expansion card controls the internal fan so airflow matches the thermal load. Coated PCBs provide additional resistance to airborne contaminants that may be present inside industrial cabinets.
The housing has a depth of 244 mm, a height of 386 mm, and a width of 190 mm, allowing the unit to fit into standard 200 mm control panel frames. With the coldplate option installed, the housing weighs 10.4 kg, which supports straightforward panel mounting. Noise emission is limited to 62 dB(A) at full load, supporting placement in operator-accessible enclosures. The cabinet coldplate transfers heat directly to the backplane, reducing ducted airflow requirements in the enclosure. By moving heat toward the cabinet structure, the drive reduces the amount of circulating air needed around nearby electronics.
