Emerson SP3402 AC Variable Speed Drive / Servo Drive

FAQ

Q1: What is the Emerson SP3402 used for?
The SP3402 is used for controlling AC induction motors, synchronous motors, and servo motors in applications requiring accurate speed, torque, and motion control, including conveyors, pumps, cranes, machine tools, and automated production equipment.

Q2: What type of product is the SP3402?
The SP3402 is a Unidrive SP universal AC variable speed drive and servo drive designed for advanced industrial motor control applications.

Q3: What are the electrical ratings of the SP3402?
The drive operates from a 380–480 VAC three-phase supply and provides 33.8 A continuous output current, with a rated power range of approximately 18.5–22 kW depending on duty mode and application requirements.

Q4: What are the dimensions and weight of the SP3402?
The SP3402 has approximate dimensions of 200 × 385 × 245 mm and weighs approximately 20.41 kg.

Q5: Which motor control modes are supported?
The SP3402 supports Open Loop Vector Control, Closed Loop Vector Control, Rotor Flux Control (RFC), Servo Control, V/Hz Control, and Regenerative Control, allowing flexible operation with different motor types.

Q6: Which communication protocols are available?
The SP3402 supports Modbus RTU via RS-485 as standard and can be expanded with optional communication modules including EtherCAT, EtherNet/IP, PROFINET, PROFIBUS-DP, DeviceNet, CANopen, and SERCOS.

Q7: Does the SP3402 include braking and safety functions?
Yes. The SP3402 supports Safe Torque Off (STO) and includes a standard dynamic braking transistor for controlled stopping and improved system performance.

Q8: What are the advantages of the Emerson SP3402?
The SP3402 provides high-performance motor control, strong overload capability, encoder feedback support, flexible communication expansion, integrated braking functions, and reliable operation for demanding industrial automation and motion control systems.

Emerson SP3402

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