Siemens SITRANS LUT400 Operating Instructions Manual page 153

VOLUME
HEAD
FLOW
a.
When Current Output Function is set to Manual, a power cycle will reset
this parameter to its previous value.
b.
Option available only on LUT430, LUT440.
Level
sensor
ref.
point
high
cal.
point
low
cal.
point
Head
Max. Head
1
(20 mA or 100%)
liquid level
head
Zero Head
(4 mA or 0%)
1.
Refer to PMD supplier documentation for maximum head.
To modify Current Output Function via SIMATIC PDM:
Open the menu Device – Select Analog Output.
A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Low Calibration Point
b
Zero Head
b
Zero Head
20 mA
100 %
level
4 mA
0 %
converted from Level, defined in
of the cylindrical section of a horizontal
parabolic end vessel. See Vessel Shape
(2.6. 1 .) for an illustration.
measured as difference between the liq-
uid level and Zero Head, defined in
2. 1 1.Units
converted from Head, defined in
2. 1 5.3.7.Flowrate Units
Space
4 mA
0 %
space
20 mA
100 %
Length
Distance
4 mA
0 %
distance
material
level
20 mA
100 %
sensor ref. point
High Cal. Point
Low Cal. Point
Far
Range
Page 145