Eaton NFX9000 User Manual

Contents

For Sales and Support, Contact Walker EMD • Toll-free: (800) 876-4444 • Tel: (203) 426-7700 • Fax: (203) 426-7800 • www.walkeremd.comNFX9000 Adjustable Frequency DrivesMN04002003E For more information visit: www.EatonElectrical.com 2-3February 2006Figure 2-3: Control Circuit WiringWiring NotesWARNINGEnsure that all screws are tightened to the proper torque rating.CAUTIONDo not connect the AC input to any of the U/T1, V/T2 or W/T3terminals as it will damage the drive.Multiple NFX9000 drives can be installed in one location. Please read the following prior toinstallation:1. Follow all national and local electrical, construction and safety codes during installation.2. Ensure the appropriate protective devices (circuit breaker or fuses) are connectedbetween the power supply and drive.3. Make sure the leads are connected correctly and the drive is properly grounded.(Ground resistance should not exceed .1Ω.)4. Use ground leads that comply with AWG/MCM standards and keep them as short aspossible.5. For multiple drive installations, make sure to ground all units directly to a commonground terminal. The ground terminals may be connected in parallel as shown inFigure 2-4. (Ensure there are no ground loops.)Figure 2-4: Ground Terminals Connected in ParallelRAWire Gauge: 22 – 24 AWGTorque: 4 Kgf-cmRC +10V AVI D1Common SignalMulti-Function Input Selection 3Multi-Function Input Selection 2Multi-Function Input Selection 1Multi-Function Assistant TerminalMulti-Function Indication OutputContact (120V AC/DC 28V 3A)RelayAnalog Voltage, Current FrequencyCommandPower for Speed SettingD2 D3 D4 GNDForwardRunningParallel –AcceptableGround Loops –Not Acceptable