Emerson SP3401 AC Variable Speed Drive / Servo Drive

FAQ

Q1: What is the Emerson SP3401 used for?
The SP3401 is used for controlling AC motors and servo motors in industrial applications requiring precise speed, torque, and position control, including conveyors, pumps, cranes, machine tools, and automated production systems.

Q2: What type of product is the SP3401?
The SP3401 is a Unidrive SP universal AC variable speed drive and servo drive that combines inverter functions with advanced motion control capabilities.

Q3: What are the electrical ratings of the SP3401?
The drive operates from a 380–480 VAC three-phase power supply and provides 35 A continuous output current, supporting motors up to approximately 18.5 kW (25 HP).

Q4: What are the dimensions and weight of the SP3401?
The SP3401 has approximate dimensions of 200 × 385 × 245 mm and weighs approximately 15 kg.

Q5: Which motor control modes are supported?
The SP3401 supports Open Loop V/Hz, Open Loop Vector, Rotor Flux Control (RFC), Closed Loop Vector, and Servo Control, allowing flexible operation with different motor types.

Q6: Which communication protocols are available?
The SP3401 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 other industrial networks.

Q7: Does the SP3401 include braking and safety functions?
Yes. The SP3401 supports Safe Torque Off (STO) and includes a dynamic braking transistor for controlled stopping and improved system performance.

Q8: What are the advantages of the Emerson SP3401?
The SP3401 provides high-performance motor control, strong overload capability, multiple feedback options, flexible communication expansion, integrated braking functions, and reliable operation for demanding industrial automation applications.

Emerson SP3401

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