| MODEL RANGE |
60 to 1500 HP |
| Voltage Rating |
380 to 480 V |
| POWER REQUIREMENTS |
| Input Tolerance |
Voltage: ±10%; Frequency ±2% |
| Output Frequency |
0 to 299 Hz |
| CONTROL SPECIFICATIONS |
| Control Method |
Sinusodial Pulse-Width Modulation (PWM) with VLP Technology |
| Voltage Regulation |
Main Circuit Voltage Feedback Control: Automatic, Fixed, & Off |
| V/Hz Control |
Constant Torque, Variable Torque, Automatic Torque Boost, Sensorless Vector Control, 5-Point V/Hz Custom Curve, & PG Feedback |
| Vector Control |
| PWM Carrier Frequency |
Adjustable 0.5 to 15 kHz (For Drive Specific Information Consult Factory) |
| Frequency Setting |
Rotary Encoder Integrated into EOI, 0 to 10 VDC, ±10 VDC, 4 to 20 mA, Digital Input, Binary Input, & Motorized Potentiometer Input |
| Frequency Precision |
Analog Input ±0.2% of Maximum Output Frequency; Discrete/Communications Input ±0.01% of Maximum Output Frequency |
| Speed Regulation |
Open Loop: Up to 0.1%; Closed Loop: Up to 0.01% |
| Main Protective Functions |
Overcurrent, Overvoltage, Inverter Overheat, Load-Side Short Circuit, Ground Fault, ASD Overload, Communications Error, Auto-Tuning Error, Emergency Stop, Undervoltage, Overtorque, Open-Output Phase, Motor Overload, Low Operating Current, Option PCB Error, & Gate Array Error |
| Retry |
User-Set Number of Retries for Automatic System Restart After Trip |
| Restart |
Able to Smoothly Catch Freewheeling Motor (Bidirectional) |
| Overload Current Rating |
100% Continuous; 120% for One Minute |
| CONTROL INTERFACE |
| Digital Input |
Eight Discrete Input Terminals Programmable to 68 Functions |
| Digital Output |
Three Discrete Output Terminals Programmable to 64 Functions; Two Form-A Contacts, One Form-C Contact |
| Analog Input |
Three Programmable: One 0 to 20 mA or 0 to 10 VDC Input, One 0 to 10 VDC Input, & One ±10 VDC Input |
| Analog Output |
Two Programmable: Both 4 to 20 mA Output |
| Communication Ports |
Half/Full Duplex RS485/RS232 & TTL Port |
| VLP TECHNOLOGY FEATURES |
| Start & Stop Points |
Determine Start/Stop Based On User-Set Values, Transducer Feedback Signal, & Programmable Discrete Input Terminal; Work with Delay Timer to Ensure Pump Does Not Start/Stop Too Frequently Due to Unstable/Fluctuating Input Signal |
| Sleep Timer |
Shuts Off Pump After Running for User-Specified Time at VLP Minimum |
| Run External Device |
Turns on External Booster Pumps to Support Primary Pump Only when Necessary |
| No-Flow/Low NPSH Cut-Off |
Stops Pump Once Loss of Water Feed or Closed Output Valve has been Detected |
| Sealing Water/Vacuum Priming |
Monitors Water Flow/Water Level & Starts Pump Once Water Flows Through Seal Or Pump is Full of Water |
| ELECTRONIC OPERATOR INTERFACE (EOI) |
| Display |
4x20 Graphical Plain-English Back-Lit LCD Display for Programming, Monitoring, & Diagnostics |
| LED Indicators |
Run (Red)/Stop (Green), Hand (Green), & DC Bus Charge Indicator (Red) |
| Keys |
Hand/Auto, ESC, Run, Mode, & Stop/Reset |
| Monitoring |
Frequency Command Screen; Multiple Parameters Displayed: Output Current, DC Voltage, Output Voltage, Run Time, VLP, Motor Load, Motor Overload, ASD Load, Output Power, RR Input, V/I Input, RX Input, RX2 Input, & AM/FM Output |
| CONSTRUCTION |
| Enclosure |
ANSI-White; NEMA 1/NEMA 3R; Free-Standing; Front-Access Only |
| Power Cables |
Top/Bottom Access for Input/Motor Cables |
| Cooling |
Forced-Air Cooled; Heat-Sink Out the Back; Heat Exchanger |
| Standards & Compliances |
IEEE, UL Listed in US & Canada, NEMA, NEC, & American Recovery & Reinvestment Act Compliant (ARRA) |
| AMBIENT CONDITIONS |
| Ambient Temperature |
-10 to 50° (-10 to 40°C for 500, 1400, & 1500 HP) |
| Altitude |
4500 ft. Above Sea Level (Higher Altitude with Derating) |
| Humidity |
95% Maximum (Non-Condensing) |
| Installation |
Indoor/Outdoor; Protect from Corrosive Gases |
