Commissioning
Cerabar M, Deltapilot M
54
Hauser
Prerequisite:
• The measured variable is in direct proportion to the pressure.
• The tank can be filled and emptied.
The values entered for "Empty calib./Full calib." and "Set LRV/Set URV" and the applied
pressures must be at least 1% apart. The value will be rejected, and a message dis-
played, if the values are too close together. Other limit values are not checked; i.e. the
values entered must be suitable for the sensor and the measuring task so that the
measuring device can measure correctly.
Description
1
Perform a "position adjustment" → 52.
B
300 mbar
3 m
A
0 mbar
0 m
A0030028
A
See table, step 7.
B
See table, step 8.
2
Select the "Level" measuring mode via the "Measuring mode" parameter.
Menu path: Setup → Measuring mode
L
WARNING
Changing the measuring mode affects the span (URV)
This situation can result in product overflow.
‣
If the measuring mode is changed, the setting for the span (URV) must be checked in
the "Setup" operating menu and readjusted if necessary.
3
Select a pressure unit via the "Press. eng. unit" parameter, here "mbar" for example.
Menu path: Setup → Press. eng. unit
4
Select the "In pressure" level mode via the "Level selection" parameter.
Menu path: Setup → Extended setup → Level → Level selection.
5
Select a level unit via the "Unit output" parameter, e.g. here "m" for example.
Menu path: Setup → Extended setup → Level → Unit output
6
Select the "Wet" option via the "Calibration mode" parameter.
Menu path: Setup → Extended setup → Level → Calibration mode
A
B
h
[m]
p
[mbar]
3
0
0
300
A0017658
C
D
I
[mA]
h
[m]
20
4
0
3
A0031063
A
See table, step 8.
B
See table, step 9.
C
See table, step 10.
D
See table, step 11.
7
If the calibration is performed with a medium other than the process medium, enter the
density of the calibration medium in the "Adjust density" parameter.
Menu path: Setup → Extended setup → Level → Adjust density
8
The pressure for the lower calibration point is present at the device, here "0 mbar" for
example.
Select the "Empty calib." parameter.
Menu path: Setup → Extended setup → Level → Empty calib.
Enter the level value, here 0 m for example. By confirming the value, you assign the pres-
sure value present to the lower level value.
9
The pressure for the upper calibration point is present at the device, here
300 mbar (4.35 psi) for example.
Select the "Full calib." parameter.
Menu path: Setup → Extended setup → Level → Full calib.
Enter the level value, here 3 m (9.8 ft) for example. By confirming the value, you assign
the pressure value present to the upper level value.
10
Use the "Set LRV" parameter to set the level value for the lower current value (4 mA), here
"0 m" for example.
Menu path: Setup → Extended setup → Current output → Set LRV
11
Use the "Set URV" parameter to set the level value for the upper current value (20 mA)
(3 m (9.8 ft)).
Menu path: Setup → Extended setup → Current output → Set URV
Содержание Cerabar M
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