S74802-NANA-F2 Kollmorgen
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The S74802-NANA-F2 is a servo drive manufactured by Kollmorgen as part of the S700 Servo Drives series, and it features a weight of 13 kg. This drive provides a rated current of 48 Arms and peak output current of 96 Arms, with a voltage rating of 208 to 480 volts. It includes dual channel STO capability, a controlled fan cooling option, and onboard EtherCAT and CANopen interfaces.
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Product Description:
The S74802-NANA-F2 is a Kollmorgen servo drive belonging to the S700 Servo Drives series. It is installed between the plant power bus and a synchronous or induction motor to modulate voltage and current so that speed, torque, and position follow the motion profile set by the machine controller during operation. By integrating communication over EtherCAT and CANopen, the unit fits into decentralized automation topologies without extra fieldbus modules.
The power section accepts an input range of 208...480 V and delivers a continuous phase current of 48 Arms. For rapid acceleration or shock loads, it can supply up to 96 Arms for 5 s before returning to its thermal limit. The DC link is rated at 35 kVA, allowing the drive to handle large inertia systems without derating. Internal IGBTs switch at 8 kHz, and this carrier frequency balances motor acoustic noise against switching losses. Machines that require quick torque steps benefit from the 0.88 mH minimum motor inductance supported at 480 V and from the 4.8 kV/µs voltage rise that the insulation system can withstand. Dynamic braking energy is routed to an 8 kW external resistor with a 15 Ω value to prevent DC bus overvoltage during emergency stops. Field wiring is simplified because the control board already provides EtherCAT and CANopen ports, so no expansion card is necessary.
An IP20 housing shields live parts yet permits cabinet airflow, while the F2 controlled fan option drives forced cooling only when internal temperature rises, which helps limit unnecessary dust intake. Safe torque off is implemented by a dual-channel STO circuit so motion can be inhibited without removing main power to the drive. Mechanical integration is aided by a 190 mm width, 386 mm height, and 244 mm depth measured without connectors, and the assembly weighs 13 kg. During standby with the fan off, thermal dissipation is limited to 24 W, and all electronics are built on standard PCBs to support long-term serviceability.
Frequently Asked Questions about S74802-NANA-F2:
Q: What communication protocols are available on the S74802-NANA-F2 servo drive?
A: The S74802-NANA-F2 supports both EtherCAT and CANopen connectivity onboard and does not require an expansion card.
Q: What is the rated current output of the S74802-NANA-F2 servo drive?
A: This drive provides a rated current output of 48 Arms during continuous operation.
Q: What level of enclosure protection does the S74802-NANA-F2 offer?
A: The enclosure protection for this model is rated at IP20.
Q: What cooling method is used in the S74802-NANA-F2 servo drive?
A: The cooling system on the S74802-NANA-F2 is an F2 controlled fan type.
Q: How much external brake power can the S74802-NANA-F2 support?
A: The S74802-NANA-F2 can provide external brake power up to 8 kW.
