Level measurement
Cerabar S/Deltabar S/Deltapilot S 4...20mA HART
30
Hauser
!
Note!
1.
For this level type, the measured variables %, volume and mass are available.
See Page 78 ff.
2.
You can also specify customer-specific units. See parameter description for PRESS. ENG. UNIT
(
Page 79), UNIT VOLUME (
Page 79) and MASS UNIT
(
Page 80).
18
Enter linearisation table (min. 2 points, max. 32 points).
P01-xxxxxxxx-05-xx-xx-xx-015
P01-xxxxxxxx-05-xx-xx-xx-016
Fig. 15:
Semiautomatic entry of the linearisation
table
1
See table, step 10.
2
See table, step 11.
3
See table, step 13.
4
See table, step 14.
5
See table, steps 15 – 19.
6
See the following note, point 4.
7
See the following note, point 4
Fill the tank to the height of the 1st point.
LINE-NUMB: confirm value displayed.
X-VAL.: the hydrostatic pressure present is displayed.
On-site display, Digital communication:
The X-VAL. displayed is saved by confirming the Y-
value. See following line, Y-VAL.
HART handheld terminal:
Confirm X-VAL. displayed.
Y-VAL.: enter the volume value, here 0 m
3
for example,
and confirm the value.
19
On-site display:
If you want to enter another point for the linearisation
table, select the "Next point" option and enter the point
as described in step 18.
If you want to finish entering the values and activate the
linearisation table, select the "Accept input table" option.
Digital communication:
You can enter further points for the linearisation table as
explained in step 18. Once all the points have been
entered, the table must be activated by means of the
TAB. ACTIVATE parameter.
19
Result:
The linearisation table has been entered.
Description
➀
3.5
0
0
350
V
[m ]
3
p
[mbar]
➂
➁
➃
➄
20
4
I
[mA]
0
3.5
V
[m ]
3
➆
➅