Endress+Hauser Liquisys M CLM253 - Temperature Compensation with Table

Liquisys M CLM223/253 Commissioning
Endress+Hauser 69
7.4.8 Temperature compensation with table
The "ALPHA TABLE" function group is not available in the basic device version. You require
the Plus Package to access this function group. With this function group, you can perform
temperature compensation using a table (field B2).
Enter the α-T value pairs (see SETUP 2) in the T4 and T5 fields.
Functions marked in italics are not supported by the basic device version.
Coding Field Range of
adjustment
(factory
settings in bold)
Display Info
T
ALPHA TABLE
function group
T
ALPHA TAB
A0009123-EN
Settings for temperature
compensation.
T1 Select table
option
Read
Edit
T1
Sel.Table
read
A0009125-EN
T2 Enter number of
table value pairs
1
1 to 10
T2
No. Elem.
1
A0009126-EN
In the α-table, you can enter a
maximum of 10 value pairs.
These pairs are saved under
numbers 1 to 10 and can be
changed individually or
consecutively.
T3 Select table
value pair
1
1 to number of
table value pairs
Assign
T3
Sel.Elem.
1
A0009127-EN
The system automatically runs
through the T3 to T5 function
chain as often as corresponds to
the value indicated in T2.
"Assign" appears as the last
value.
The display goes to T6 once the
process is finished.
T4 Enter
temperature
value
0.0 °C
-35.0 to 250.0 °C
T4
C
°
Temp.val.
0.0
A0009128-EN
The temperature values must be
at least 1 K apart.
Factory setting for the
temperature value in the table
value pairs:
0.0 °C; 10.0 °C; 20.0 °C; 30.0 °C ...
T5 Enter
temperature
coefficient α
2.10 %/K
0.00 to 20.00
%/K
T5
%/K
alpha val
2.10
A0009129-EN
T6 Message as to
whether table
status is OK
Yes
No
T6
Status ok
yes
A0009130-EN
Display only
If status = "no", you must set
correct values in the table (all
settings made up until now
remain intact) or go back to the
measuring mode (then the table
is not valid).