Emerson SP1406 AC Variable Speed Drive

FAQ

Q1: What is the Emerson SP1406 used for?
The SP1406 is used to control AC induction motors and permanent magnet motors in applications including pumps, fans, conveyors, compressors, hoists, packaging machinery, machine tools, and other industrial automation equipment.

Q2: What type of drive is the SP1406?
The SP1406 is a Unidrive SP universal AC variable speed drive, offering high-performance speed, torque, and position control for industrial motor applications.

Q3: What are the electrical ratings of the SP1406?
The drive operates from a 380–480 VAC three-phase supply and provides 12.6 A continuous output current (Normal Duty), 10.5 A continuous output current (Heavy Duty), and 21.0 A peak output current, supporting motors up to 5.5 kW (7.5 HP).

Q4: What are the dimensions and weight of the SP1406?
The SP1406 has approximate dimensions of 100 × 386 × 219 mm and weighs approximately 5.3 kg.

Q5: Which motor control modes are supported?
The drive supports Open Loop V/Hz, Open Loop Vector, Rotor Flux Control (RFC), Closed Loop Vector, and Servo Control, enabling precise control of both induction and permanent magnet motors.

Q6: Which communication protocols are available?
The SP1406 includes Modbus RTU (RS-485) as standard and supports optional communication modules for EtherCAT, EtherNet/IP, PROFINET, PROFIBUS-DP, DeviceNet, CANopen, Modbus TCP/IP, and SERCOS.

Q7: Does the SP1406 include braking and safety functions?
Yes. The drive features a built-in dynamic braking transistor and supports Safe Torque Off (STO), improving machine safety and braking performance while simplifying system integration.

Q8: What are the advantages of the Emerson SP1406?
The SP1406 provides high-performance vector and servo control, strong overload capability, integrated braking, flexible industrial networking, multiple feedback interfaces, compact panel-mount design, and reliable operation for demanding industrial automation and motion control applications.

Emerson SP1406

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