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This function enables the user to limit the regulated pressure range with respect to the
nominal range while continuing to use the entire range of the analog input signal on the PME
series electronic regulator.
Therefore, a minimum and maximum value of the reference signal are associated with the
minimum and maximum point controlled
For example, if the minimum controlled point is set at 3 with a reference signal type 0-10V,
when the reference signal is 0V the regulated pressure moves to 3 bar.
For example, if the maximum controlled point is set at 8 with a reference signal type 0-10V,
when the reference signal is 10V the regulated pressure moves to bar.
This function does not always improve resolution, which may in any event be limited by the
intrinsic characteristics of the PRE series electronic regulator and its internal components.
• Minimum regulated e Maximum reference signal: may be possible to set a minimum and a
maximum point of the reference signal.
The value that identifies these points varies between the minimum and maximum point of
the reference signal (±10V, 0÷10V or 4÷20mA depending on the code number of the PRE
electronic regulator). The NFCamApp application verifies consistency of the two values and
ensures that the minimum point is not greater than the maximum point.
This function enables the user to limit the reference signal range with respect to the nominal
range while continuing to control the entire range of the regulated pressure on the PRE
electronic regulator.
Therefore, the two maximum positive and negative values of the regulated pressure on the
PRE electronic regulator are associated respectively with the set minimum and maximum
reference signal values.
For example, if the type of reference signal is 0-10V and the minimum controlled point is set
at 2V and the maximum controlled point is set at 7V, at a reference signal of 2V the output
pressure is regulated to the minimum value of the pression nominal range, while at a signal
of 7V the output pressure is regulated to the maximum value of the pression nominal range.
This function does not always improve resolution, which may in any event be limited by the
intrinsic characteristics of the PRE series electronic regulator and its internal components.
11.2.3. DIGITAL OUTPUT SETUP
This group contains the parameters to set the digital output. For more details regarding this
function, refer to the paragraph "Digital output".
• Digital output function: sets the digital output operating mode. The available options are:
Error, Switch or Window.
• Digital output level: sets the operating logic of the digital output based on the type of
connection.
• Upper limit window: sets the higher differential for the pressure window mode.
• Lower limit window: sets the lower differential for the pressure window mode.
• Lower limit switch: sets the lower threshold for the pressure switch mode.
• Upper limit switch: sets the upper threshold for the s pressure witch mode.
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