AOpen DE7200 Series Instruções de Operação descarregar pdf (Página 46)

OPERATING INSTRUCTIONS

4-8 30 Sep 13

DE-7200VFDCentrifuge

OPERATION (CONT’D)

Adjustment of one parameter may produce the desired clarity of liquid effluent and solids dryness.

Or the desired performance may be achieved by further adjustment. It is important to understand

the interdependence of the operating parameters. Changing one characteristic results in other

effects that may warrant additional adjustments.

Except for pond depth, these parameters can be adjusted while the centrifuge is operating. The

operator may then view the results of one change before making additional adjustments. The

following paragraphs describe the effect of changing each parameter.

Figure 4-2. Operation Screens

Feed Rate and Torque Settings

The maximum feed rate and torque limit are entered at the upper right of the Operation screen as

shown in Figure 4-2. The desired mode is selected by clicking on the number shown in the cell.

The keypad appears, allowing the operator to enter the desired flow rate or torque percentage.

The background in the selected cell turns green to signal the governing mode. If flow priority

mode is selected, the system automatically increases feed rate up to the maximum setting as long

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AOpen DE7200 Series Instruções de Operação Página 46