S74802-DNF2-F2 Kollmorgen
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The Kollmorgen S74802-DNF2-F2 is part of the S700 Servo Drives series and is designed as a 3-phase AC input drive with a voltage rating of 208 to 480V and a rated input power of 35 kVA. This servo drive features a peak output current of 96 Arms, a rated current of 48 Arms, and includes dual channel STO capability. It measures 386 mm high, 190 mm wide, and 244 mm deep, with a weight of 13 kg.
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Product Description:
The S74802-DNF2-F2 servo drive is manufactured by Kollmorgen and belongs to the S700 Servo Drives series. It serves as a closed-loop power stage that couples a motion controller to a permanent-magnet servo motor, converting line energy into regulated current for industrial axes. In assembly lines, packaging equipment, and robotic cells, the unit supplies fast torque changes and integrated safety functions so machine builders can position or regulate speed without external relays. Because current is regulated in a closed loop, the drive can react quickly to load changes during positioning and speed-controlled motion.
During operation, the drive accepts a three-phase AC mains input within 208...480 V and draws up to 35 kVA under full load. Its continuous output is 48 Arms, and the power stage switches at 8 kHz to reduce motor ripple and audible noise. Control electronics and I/O are powered from a separate 24 V DC auxiliary bus, allowing the fieldbus to remain active after the mains is removed. A factory-installed fan controller expansion card monitors heat sink temperature and varies airflow, and a PCB coating option adds protection against humidity and dust. Separating the auxiliary supply from the mains also helps preserve communication and status reporting during controlled shutdowns.
Peak transients up to 96 Arms are available for acceleration bursts, and machine safety is supported by dual-channel STO, which disconnects the power devices without affecting brake release circuits. The permissible switch-on or switch-off rate is 30 times per hour, which suits applications with frequent start and stop cycles. The enclosure has a height of 386 mm, a width of 190 mm, and a depth of 244 mm. Its mass is 13 kg, which supports installation in standard 600 mm control cabinets. These dimensions help with cabinet spacing and cable routing in multi-axis panels.
Frequently Asked Questions about S74802-DNF2-F2:
Q: What is the operating voltage range for the S74802-DNF2-F2 servo drive?
A: The S74802-DNF2-F2 servo drive operates with a voltage rating of 208 to 480V, supporting a wide range of industrial power systems.
Q: What is the peak output current of the S74802-DNF2-F2 servo drive?
A: This model supports a peak output current of 96 Arms for high dynamic performance in demanding applications.
Q: What safety feature does the STO capability provide on the S74802-DNF2-F2?
A: The S74802-DNF2-F2 features a dual channel Safe Torque Off (STO) capability, enhancing functional safety for machinery.
Q: Which expansion card is equipped on the S74802-DNF2-F2 servo drive?
A: The expansion card included with this drive is a fan controller.
Q: What is the rated input power rating of the S74802-DNF2-F2 servo drive?
A: The rated input power for the S74802-DNF2-F2 is 35 kVA, delivering substantial power for servo applications.
