Rockwell-automation GMLC Reference Manual Manual de usuario descargar pdf (Pagina 149)

Publication GMLC-5.2 - November 1999

112 Configuring Axis Use

You make all changes to gain with the up and down arrows on each field’s

value list. A change to a gain value is made in small increments

(thousandths or ten-thousandths of a unit) to protect material and

machinery from sudden and potentially harmful jolts. When you make a

change to any gain value, the new value immediately becomes the new

working value for that gain.

To adjust gain values:

1. Select Adjust Gains from the Gains page of the Configure Axis Use

dialog box. A dialog box similar to the following appears:

2. In the Position Loop area, make entries in the following fields:

• Proportional Gain – select the up or down arrows to change the

response times to increase the stiffness of the servo system.

Note: If the proportional gain is too high, the system is unstable. If the

proportional gain is too low, the system is loose or sloppy.

• Integral Gain – Select the up or down arrows to improve the

steady-state positioning performance of the system.

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Rockwell-automation GMLC Reference Manual Manual de usuario Pagina 149