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10. Digital output
The digital output (OUT signal, pin 5) is a 0-24V digital signal. Through the NFCamApp
application it is possible to set the logic of this output:
• Active – high level: if the output is activated, its value is brought to a high logic level.
• Active – low level: if the output is activated, its value is brought to a low logic level.
Furthermore, based on the electrical connection made by the user, the following
configurations can be obtained:
• PNP: in this configuration the output signal refers to GND (pin 4), therefore the PNP digital
input of the control system must be connected between pin 5 (Dout) and pin 4 (GND).
• NPN: in this configuration the output signal refers to + 24V (pin 1), therefore the NPN digital
input of the control system must be connected between pin 5 (Dout) and pin 1 (+ 24V)
The operating mode of the digital output depends on what code is ordered. There are three
different operating modes:
• Error: the digital output changes state if the Regulator detects an error.
• Switch pressure: with this operating mode it is possible to set two fixed pressure thresholds,
a lower one and a higher one. The digital output changes state if the regulated pressure is
outside the range delimited by the two thresholds set. This is a useful way to check whether
the regulated pressure lies within the preset pressure range.
• Window pressure: with this operating mode it is possible to set two thresholds, a lower one
and a higher one, which determine a pressure range with respect to the target pressure
value.
The digital output changes state if the regulated pressure is outside the instantaneous range
(depending on the value of the target pressure at that moment) delimited by the two
thresholds set.
This is a useful way to check whether the regulated pressure lies within the pre-established
precision range.
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