Controlling The Pressure; Characteristic Curves - Aventics ED05 Notice D'instruction

74 AVENTICS | ED05 | R414002533–BAL–001–AG
Controlling the ED05 pressure regulator
8.2

Controlling the pressure

Depending on the model, the set point of the ED05 pressure
regulator can be stipulated by the current, voltage, or a
potentiometer.
The characteristic curves in the following section depict the
linear interrelation between current and outlet pressure or
voltage and outlet pressure, depending on the model.
The device generates the supply voltage for the potentiometer
in devices with an external potentiometer. The sliding contact of
the potentiometer is connected with the input set point (see
"Connecting the supply voltage and set point" on page 65).
1. Select the correct characteristic curve using the outlet
pressure and device number.
2. Determine the desired outlet pressure.
3. Find the current or voltage in the characteristic curve to set
the desired outlet pressure.
4. Depending on the model, control the outlet pressure either
via the controller or a potentiometer.

8.2.1 Characteristic curves

The characteristic curves for all ED05 pressure regulator
models are depicted below, sorted according to outlet
pressures.
Malfunction caused by closed housing ventilation port!
If the housing ventilation port is closed, there is no
atmospheric equalization and the characteristics curve will
change.
Ensure that the air can circulate freely through the
housing ventilation port (6).
Never operate the device in an atmosphere containing oil.
NOTICE