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Description

The 690+ series is a single range of AC drives designed tomeet the requirements of all variable speed applicationsfrom simple, single-motor speed control through to themost sophisticated, integrated multi-drive systems.At the heart of the 690+ is a highly advanced, 32 bitmicroprocessor based, motor control algorithm, to whichcan be added a host of control options that allow you to tailor the drive to meet your exact requirements.


Configurable

It is possible to configure the 690Plusinto 4 different operative modes:

Open Loop Control
The V/Hz mode is ideal for simple speed control.The 6901 Man Machine interface is used for setting-up programming and controlling the drive. It has been ergonomically designed with a back-lit, 32-character,Alphanumeric display to provide intuitive access to allFunctions in a logical menu-driven format.

Sensorless Vector control
The sensorless mode assures an elevated accuracy of speed control, thanks to the algorithm of MRAS (Model Reference Adaptive System) control.

This innovative design guaranties speed control (without any feedback) based on continuous motor-modeling.

Closed Loop Flux Vector control 
The Flux Vector Control is obtained by simply fitting the 690Plus with an encoder receiver Tech Box and encoder.

This guaranties 100% continuous control from zero speed, to satisfy most demanding applications.

Regenerative control
The regenerative mode reuses the energy generated by the motor (during the deceleration of applicable load) in applications such as unwinds, test stands and other such applications.