Polyspede

Our legendary OC2 series has been revamped with improved features and was launched in June 2002.
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OC2B is an open/closed chassis motor control that has been designed as building block solid state regulated power unit. OC2B uses state of the art control circuitry which can be used by itself, by wiring in the provided speed potentiometer as a straightforward speed regulated control or can be incorporated into much more sophisticated system designs contactor operation, external speed programming and tach feedback etc.

Dancer

The Polyspede Dancer control board is designed for DC motor applications requiring torque or speed control by means of a dancer mechanism. Its purpose is to maintain a constant tension on any material between two nip points. Four onboard potentiometers allow precise calibration in the field.

The LEAD and LAG potentiometers stabilize the system and maximize response.

The DANCER POS potentiometer electronically adjusts the center position of the dancer mechanism.

The SEN (sensitivity) potentiometer, used only for dancer trim applications, set the maximum amount of speed correction for a given dancer position.

This board is intended for use in both dancer trim and full dancer applications.

Application Dancer Trim System

The line speed potentiometer sets the line speed of the material via the lead motor and control. Its armature voltage is isolated and converted to a 0-6 VDC line speed reference. The Dancer trim board monitors the line speed reference and trims it up to plus or minus 20 percent, depending on the position of the dancer mechanism. The output from the dancer trim board then sets the speed of the slave motor.

Application Full Dancer System

A line speed signal is not used in this application. The dancer pot has full control of the entire speed range of the slave motor. The pot causes the slave to run at the speed necessary to maintain the desired dancer position as the roll builds on the winder.

How to Order

The format for part numbers for the Dancer board is:

E1497-XX

Where:


XX	is 01 for dancer trim and 02 for full dancer

Volts/Hertz, Sensorless
Vector and Flux Vector
drives ranging
from 1/4 to 200 HP.

Non Regenerative
and Regenerative
drives from 1/6
to 500 HP.

AC motors from Baldor,
AO Smith, Lincoln,
Marathon and Reliance.

DC motors from Baldor
and AO Smith.