Rockwell Automation SP120 AC Drive Demo Unit - Manual (Page 5)

Introduction 1-1
C
HAPTER
1
Introduction
This manual describes how to use the SP200 demo unit.
For complete product information, refer to Installing and
Operating the SP200 AC Drive (D2-3408).
1.1 What Is a Variable-Speed Drive?
A variable-speed drive is an electronic device that controls
the speed, torque, horsepower, and direction of an AC or DC
motor.
Variable-speed drives offer:
• Improved process control by enabling you to control
virtually any process variable and to control your process
remotely with electrical interfaces.
• Reduced operating costs by enabling you to match the
motor speed to the load requirements.
• Reduced maintenance by providing a “soft-start” capability
that limits inrush current to reduce stress on mechanical
parts.
1.2 About the SP200 Drive
Typical applications for the SP200 AC drive include fans,
pumps, conveyors, and other small machines where inside
panel or inside machine mounting is available.
The SP200 drive is best suited for applications with these
requirements:
• A three-phase 1/2 to 2 HP AC induction motor is used.
• Single-phase input ratings (up to 1.5 HP) operate on 115
V or 230 V and produce 230 V, three-phase output in both
cases.