Westinghouse W-032 User Manual download pdf (Page 2)

Features and Benefits

Models are dual rated for constant or variable torque operation.

DYNAMIC TORQUEVECTOR CONTROL

Dynamic torque-vector control system performs high-speed calculations to determine the required motor power for

the load status. Our key technology is optimal control of voltage and current vectors for maximum output torque.

z A high starting torque of 200% at 0.5 Hz.*

* 180% for 40 hp or larger models.

z Achieves smooth acceleration/ deceleration in the shortest time for the load condition.

z Using a high-speed CPU quickly responds to an abrupt load change, detecting the regenerated

power to control the deceleration time. This automatic deceleration function greatly reduces the

likelihood of the inverter tripping.

REDUCED MOTOR INSTABILITY AT LOW SPEED

Motor instability at low speed (1 Hz) is reduced to less than 1/2 of that achieved by conventional inverters with the

dynamic torque-vector control system, in combination with a unique digital Automatic Voltage Regulator.

ONLINE TUNING SYSTEM

z On-line tuning to continuously check for variation of motor characteristics while running

for high-precision speed control.

z This tuning function is also available for a second motor, which allows high-precision control

of the second motor after changeover of operation between two motors.

ENVIRONMENTFRIENDLY FEATURES

z Provided with low-noise control power supply systems which minimize noise interference

on peripheral devices such as sensors.

z Equipped with terminals for connecting a DC LINK REACTOR that can suppress harmonics.

z Compliant with EMC Directive (Emission) when connected to optional EMC-compliant filter.

ADVANCED AND CONVENIENT FUNCTIONS

z 16-step speed with timer control for conveyor applications.

z Automatic energy-saving operation, PID control, cooling fan on/off control, and line/inverter changeover

operation for fans and pumps.

z Rotating motor pick-up control: Restarts motor without any mechanical shock by detecting motor speed

where motor is coasting after momentary power failure occurs.

z Automatic energy-saving operation function: Minimizes inverter and motor loss of lighter loads.

GLOBAL PRODUCTS AND COMMUNICATION

z Conforms to major world safety standards: UL, cUL, TÜV (up to 30 hp), EN (CE marking).

z Equipped with RS485 interface as standard.

z Connection to field bus: Protocol options are PROFIBUS-DP, Interbus-S, DeviceNet, Modbus Plus, BACnet,

and Johnson-Metasys.

z Universal Digital Inputs and Outputs (DI/DO): Monitors digital I/O signal status and transmits

to a host controller, helping to simplify factory automation.

INTELLIGENT KEYPAD PANEL

z Copy function: Easily copies function codes and data to duplicate inverters.

z Six languages (English, French, German, Italian, Spanish, and Japanese) are available as standard.

z Jogging (inching) operation from the keypad or external signal.

z Remote operation using an optional extension cable up to 33 feet away.

ADVANCED MONITORING AND PROGRAMMING VIA TECO LINK SOFTWARE

z RS232/ RS485 connection via PLC or computer.

z System overview screen displays drive status and up to 15 live parameters.

z Keypad control simulates the operators LCD keypad right from the computer.

z Meter screen provides graphical drive data for 4 parameters simultaneously.

z Graphic display screen provides trend recorder:

• Plot and record data

• Store, analyze and compare trend data

• Function tuning

EQ5 INSIDE FRONT COVER

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Westinghouse W-032 User Manual Page 2

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