Endress+Hauser Cerabar S PMC 731, Руководство по эксплуатации

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Selecting unit for level,
volume or weight (Unit
after linearisation) The units for level, volume or weight are selectable using the "Unit After Linearisation"
(V3H3) parameter. Selecting a unit only helps to improve the display and does not affect
the main measured value in the matrix field V0H0.
Example: After selecting the unit " t", "55 kg" is displayed as " 55 t".
# Matrix Path through the
menus
Entry
Main group: Linearisation
1 Select unit for level, volume or weight
V2H9
➤
Unit after
linearisation e.g. kg
Confirm
Units for operation mode " Level linear" and "Manual level":
Units for operation mode " Level cylindric horizontal":
When you want to display the measured variable (V0H0) converted into the selected level
unit, enter converted values for the minimum and maximum level values. The "Display at
4 mA" (V3H1) parameter corresponds to the minimum level value and the "Display at
20 mA" (V3H2) parameter to the maximum level value.
# Matrix Path through the
menus
Entry
1 Example:
– Lower and upper range-values are set:
"Set 4 mA Value" (V0H1) = 0 mbar
"Set 20 mA Value" (V0H2) = 1500 mbar
2 The current measured value (V0H0) displays
in the pressure mode (V0H0) = 750 mbar.
Main group: Linearisation
3 Select operation mode e.g. "Level linear"
V3H0
➤
Level
linear
Confirm
4 The minimum level, maximum level and
current measured variable are displayed as
follows:
– "Display at 4 mA" (V3H1) = 0 %
– "Diplay at 20 mA" (V3H2) = 100 %
– "Measured Value" (V0H0) = 50 %
5 Select unit for level, volume or weight
V3H3
➤
Unit after
linearisation e.g. m
Confirm
6 Enter the converted minimum level value
V3H1
➤
Display at
4 mA e.g. 0 (m)
Confirm
7 Enter the converted maximum level value
V3H2
➤
Display at
20 mA e.g. 15 (m)
Confirm
Result
•
The parameters for the minimum and
maximum level value indicate:
– "Display at 4 mA" (V3H1) = 0 m
– "Display at 20 mA" (V3H2) = 15 m
•
The current measured value (V0H0)
indicates:
– "Measured value" (V0H0) = 7.5 m
% cm dm m inch ft
l hl cm
3
dm
3
m
3
ft
3
US gal Imp gal ton kg t lb
% l hl cm
3
dm
3
m
3
m
3
•
10 m
3
•
100 ft
3
ft3
•
10 ft
3
•
100 US gal
Imp gal ton kg t lb
6 Level Measurement Cerabar S
32 Hauser