S7480A-NANA-NA Kollmorgen
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The Kollmorgen S7480A-NANA-NA is a S700 Servo Drive with a peak output current of 96 Arms and a rated current of 48 Arms. Part of the S700 Servo Drives series, it features dual channel STO capability and provides EtherCAT and CANopen onboard. The servo drive measures 386 mm in height, 190 mm in width, 244 mm in depth, and weighs 10.4 kg.
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Product Description:
The S7480A-NANA-NA servo drive is manufactured by Kollmorgen within the S700 Servo Drives series. It regulates three-phase motors in automated machinery and provides closed-loop torque and velocity control for precise axis movement. Closed-loop regulation helps the drive maintain commanded motion when machine load changes during indexing or continuous travel. EtherCAT and CANopen communication are available on the base unit, so no expansion card is required. For installation, the drive measures 386 mm in height, 190 mm in width, and 244 mm in depth, and it weighs 10.4 kg. It supports cold-plate mounting, uses coated printed circuit boards to resist condensation, and includes a dual-channel STO circuit for safety stop functions.
During continuous operation, the S7480A delivers 48 Arms of output current with a form factor of 1.01, indicating a near-sinusoidal wave shape that helps limit motor heating. For load spikes, it can reach 96 Arms for up to 5 s before current limiting engages. This short-term current capacity supports brief acceleration events and changing machine demand without an immediate drop in output. The internal braking circuitry can divert up to 8 kW to a matched 15 Ω external resistor, helping prevent DC-bus overvoltage during deceleration. Input demand peaks at 35 kVA, so upstream protection and cabling must support this apparent power while accounting for a residual voltage drop of 6 V across the drive.
The drive operates from 208 to 480 V three-phase mains and uses an 8 kHz switching frequency, which balances acoustic output and switching losses. Even at that carrier rate, maximum noise emission is limited to 62 dB(A), helping reduce sound levels around the machine. Cold-plate mounting carries heat away from the power section, and even with thermal dissipation disabled, the unit still radiates 24 W, so adequate panel cooling is required. This arrangement is suited to control cabinets that use the mounting surface as the primary path for heat removal from the drive.
Frequently Asked Questions about S7480A-NANA-NA:
Q: What is the rated current for the S7480A-NANA-NA servo drive?
A: The S7480A-NANA-NA servo drive has a rated current of 48 Arms during continuous operation.
Q: What is the peak output current of the S7480A-NANA-NA servo drive?
A: This model supports a peak output current of up to 96 Arms for demanding applications.
Q: What communication interfaces are included with the S7480A-NANA-NA?
A: The S7480A-NANA-NA features EtherCAT and CANopen communication onboard as standard.
Q: What is the supported voltage range for the S7480A-NANA-NA?
A: The voltage rating for this servo drive ranges from 208 to 480 volts to accommodate various industrial power supplies.
Q: Does the S7480A-NANA-NA have Safe Torque Off (STO) capability?
A: Dual channel Safe Torque Off (STO) capability is built into the S7480A-NANA-NA for safety-related functions.
