Setting range: Application Characteristic curve
Pressure PRESS Linear, proportional to pressure
Level LEVEL Linear, proportional to level
Volume flow
VSLN Linear, square root
Proportional to flow rate, linear up
to the application point
(Page 119
)
VSOFF Hold at 0, square root
Proportional to flow rate, deactiva‐
ted up
to the suppression of the re‐
sidual flow (Page 132)
VSLN2 Two-step linear - square root
Proportional to
flow, two-step linear
up to the application point
VSL2B Two-step linear, square root (bidir‐
ectional)
Volume CYLIN Cylinder vessel
SPHER Sphere vessel
VLIN Linear vessel
CONIC Conical bottom vessel
PARAB Parabolic bottom vessel
HALF Half sphere bottom vessel
FLAT Flat sloped bottom vessel
PARAE Parabolic ends vessel
Mass flow
MSLN Linear, square root
Proportional to flow rate, linear up
to
the
application point (Page 119)
MSOFF Hold at 0, square root
Proportional to flow rate, deactiva‐
ted up
to the suppression of the re‐
sidual flow (Page 132)
MSLN2 Two step linear, square root
Proportional to
flow, two-step linear
up to the application point
MSL2B Two-step linear, square root (bidir‐
ectional)
Customized characteris‐
tic curve
CUSTM Custom
Factory setting: PRESS, or as specified in order
9.2.4.1 Pressure measurement
To set the application of the device for the pressure measurement, select the "linear"
characteristic curve using the "Application" parameter (PRESS).
● The device uses a linear characteristic curve:
Parameter assignment
9.2 Parameter assignment over device with display
SITRANS P320/P420 with 4 to 20 mA/HART
112 Operating Instructions, 11/2019, A5E44852162-AC
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