- Processing machines
- The consistency of the material to be agitated should remain constant.
- When the consistency of the material to be agitated changes, the power consumption of the agitator motor increases. The use of a power measuring transducer forwards the power consumption of the agitator motor to the PLC over a standard signal (4–20 mA), and the PLC then adjusts the consistency by adding fluid.
- - Rapid reaction, independent of the medium (aggressive, explosive, etc.)
- Mechanical solution much too expensive and complicated
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