Vaisala DRYCAP DMT346 Guida Utente Pagina 76

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User's Guide _______________________________________________________________________
74 ___________________________________________________________________ M210762EN-A
Using Buttons on Motherboard
Pressure set buttons (P
chk
and P
set
) can be used to set the process
pressure.
0504-052
Figure 43 Pressure Set Buttons on Motherboard
Numbers refer to Figure 43 above:
1 = Pressure check button
2 = Pressure set button
Press check button (P
chk
) and a red led will flash the current pressure
setting in bar
a
.
Press the set button (P
set
) to set the pressure value. The number of
presses equals the number of bar
a
to be set (for example,
three presses = three bar
a
). After a few seconds, the red led will
confirm the setting by flashing the new pressure value.
Using Serial Line
XPRES and PRES
Command XPRES should be used if the value is changed frequently.
Its value is not retained at reset, and when set to 0, last value set with
PRES is used instead.
Syntax:
PRES [aaaa.a]
XPRES [aaaa.a]
where
aaaa.a = Absolute process pressure (hPa)
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