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iQpump Controller

iQpump Controller

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iQpump Controller 5 thru 500 Horsepower

The iQpump controller was designed with the pump service operators and pump system owners in mind. iQpump offers ease of setup and comprehensive pump and motor protection features. The integrated pump software and setup parameters allow the operator to setup specific control values for a wide range of applications. The iQpump controller will automatically adjust pump operating conditions, as the process variables change, while still maintaining optimum pump performance and protection. iQpump can also replace phase converters when converting from a single phase to a three phase pump motor.

Concept and Control Methods

Simplex System Overview

Easy Installation and Set Up

  • Wire iQpump Controller
  • Connect pipe to pump
  • Set Pressure (PSI) Reference
  • Calibrate Feedback Level (PSI)
  • Start iQpump controller


Multiplex Pump System Overview

iQpump has enhanced software over typical variable frequency drives allowing for multiple drives to communicate in a coordinated effort allowing pump system engineers the ability to add more modular pump systems together (Duplex, Triplex, etc.) to meet customer specifications

  • iQpump can support up to 8 pumps on internal Modbus RS485 communication
  • Automatically starts and stops Lead and Lag pumps on system demand
  • Automatically alternate all pumps with a system programmable timer to provide even mechanical pump wear
  • Programmable Priority Run and Alternate Sequence for custom pump systems
  • Configurable transducer feedback settings to provide redundant backup if failure occurs
  • No PLCs or control relays are required, therefore reducing total system cost and improved reliability


Specifications and Features for iQpump Controller

The iQpump Controller was designed with the pump service operators and pump system owners in mind. iQpump offers ease of setup and comprehensive pump and motor protection features.

The integrated pump specific software and setup parameters, allow the operator to set up specific control values for a wide range of applications. iQpump will automatically adjust pump operating conditions, as the process variables change while still maintaining optimum pump performance and protection.

Most existing systems, which require constant pressure or flow control, are using bypass lines, pressure release values, throttling valves or impeller trim adjustments. The most efficient method is pump speed control. Pump speed control will reduce energy consumption, while maintaining system optimization.

The iQpump Controller can be configured for Simplex, Duplex or Triplex pump system applications. One iQpump Controller can be used as a master, which can also control one or two secondary pump motors. The secondary pump motors can be connected using mechanical motor starters, reduced voltage soft starters, or additional iQpump drives.

The software is structured in such a way that it only has a few basic pump parameters to be setup to run this application. The iQpump controller from Yaskawa is available from 5 to 500 horsepower. In addition to Irrigation Pumps in Commercial and Residential applications, the iQpump controller is suitable for a variety of other pumping applications such as Pressure Booster Pumps, Submersible Deep Well Pumps, Storage Tank Level Control and Metering Pumps.

Performance Features

  • Ratings:
  • 5-150 HP, 208 VAC
  • 5-150 HP, 230 / 240 VAC
  • 5-500 HP, 480 VAC
  • Overload capacity: nominal 110% for 60sec. (150% peak)
  • Starting torque: 100% at 3 Hz
  • Motor preheat function
  • Adjustable accel/decel: 0.1 to 6000 sec.
  • Controlled speed range: 40:1
  • Critical frequency rejection: 3 selectable, adjustable bands
  • Torque-limiting: 30-180%
  • Energy Saving control
  • Torque boost: full range, auto
  • Power loss ride-thru: 2 sec
  • Auto restart after power loss or resettable fault, selectable, programmable
  • Feedback signal loss detection
  • Serial communications loss detection
  • "Up/Down" floating point control capability (PI)
  • Stationary motor auto-tuning
  • Pump Sleep function
  • Run-permissive input

Pump Control Features

  • Operator Keypad with intuitive pump language
  • Hand-Off-Auto
  • Programmable Pump Process Set Point
  • Pump Start Level & Start Time
  • Sleep Protection
  • Simplex, Duplex & Triplex Control
  • Automatic System Restart
  • No Flow Detection
  • Low and High Feedback set points
  • Pre-Charge Low Level Control
  • Thrust Bearing Control
  • Automatic System Stabilization
  • Motor Condensation Pre-Heat Function

Protective Features

  • Current-limited stall prevention
  • Heat sink over-temperature, speed fold-back
  • Bi-directional start into rotating motor
  • Current-limiting DC bus fuse
  • Optically-isolated controls
  • Short circuit protection: Phase-phase and phase-neutral
  • Ground fault protection
  • Short circuit withstand rating: 100K RMS
  • Electronic motor overload: UL
  • Current limit
  • Fault display: last 10 faults
  • Fault circuit: OC, OV, OT
  • Over torque and under torque protection

Pump Protective Features

  • Dry Well
  • Air in System
  • Blocked Impeller
  • Pump over Cycling
  • No Flow Protection
  • Loss of Prime
  • Transducer Loss
  • Over Torque

Pump Alarms and Messages

  • Low Feedback
  • High Feedback
  • Low Level
  • Low Water
  • Pump Over Cycling
  • No Flow Detection
  • Loss of Prime
  • Pump Fault
  • Motor Thermostat
  • Pre-Charge Mode
  • Thrust Bearing Active
  • Start Mode Active
  • Sleep Mode Active

Service Conditions

  • Ambient Temperature:
  • -10C to 40C (14F to 104F) NEMA 1,
  • -10C to 45C (14F to 113F) protected chassis
  • Humidity: 95% RH, non-condensing
  • Altitude: 3300 ft; higher by derate
  • Input voltage: +10%/-15%
  • Input frequency: 50/60 Hz 5%
  • 3-phase, 3-wire, phase sequence insensitive

Design Features

  • LCD keypad display, 5 lines x 16 characters, backlit, 6 languages, copy function
  • Multi-step speed settings: 5 available
  • Setpoint (PI) control
  • 32-bit microprocessor logic
  • Nonvolatile memory, program retention
  • Displacement power factor: 0.98
  • Output frequency: 0.1 to 120 Hz
  • Frequency resolution: 0.06 Hz
  • Frequency regulation: 0.1%
  • Control Terminal Board: Quick disconnect
  • Carrier frequency: selectable to 15 kHz
  • 3% DC bus reactor:
  • 30-150 HP, 208 VAC;
  • 30-150 HP, 240 VAC;
  • 40-500 HP, 480 VAC; optional on lower ratings
  • 24 VDC control logic, PNP / NPN selectable
  • Transmitter/Option power supply
  • Input/output terminal status
  • Timer function: Elapsed time, Delay on start, Delay on stop
  • RS-422/485 port: Modbus protocol
  • Volts/hertz ratio: Preset and programmable V/Hz patterns
  • Meter Functions: Volt, amp, kilowatt, elapsed run time, speed command
  • NEMA 1 or protected chassis
  • UL, cUL listed and CE marked; IEC 146;
  • MTBF: exceeds 28 years