This module generates a PWM supply to the proportional valve regardless of the current really consumed by this valve. The duty cycle of the PWM supply is determined by the position of the potentiometer on the front panel.
The opening of the proportional valve changes between a minimum threshold and a maximum threshold defined by two potentiometers integrated on the rear face.
Not Off in minimum position of the potentiometer.
See technical documentation (links below)
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Availability date: 0000-00-00