Contrex ML-TRIM Uživatelský manuál stáhnout pdf (Strana 12)

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EXAMPLES OF ML–TRIM

APPLICATIONS

Figure 1-1 is an example of a Master mode of operation for a pump application. The

scaling format allows the operator to enter a setpoint in Engineering Units of gallons per

minute. The ML–Trim compares the sensor shaft feedback to the scaled setpoint and

calculates any speed error. When the ML–Trim finds speed error, the control algorithm

adjusts the Speed Command Out to the motor drive and reduces the error to zero.

Figure 1-1 ML–Trim Master Mode

Motor Drive ML–Trim

Motor

Sensor

Pump

Feedback Frequency

Speed

Command

Out

Contrex

CODE

SELECT

SET

POINT

TACH

456

–

ENTER

CLEAR

ontrex

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Contrex ML-TRIM Uživatelský manuál Strana 12