Siemens SIPART DR22 Manual page 47

Manual
-- Setting of the linearizer at S4 = 0
Set start and end of measuring with dA* and dE* and the decimal point dP* in the structuring
mode oFPA for the display.
Divide measuring range U
partial voltages.
U -U
E A
U = n+U
n
h10
Determine the respective physical value from the appropriate function tables for every Un or
graphically from the corresponding curve (interpolate if necessary) and enter the value for
the respective vertex value (-1* to 11*) in physical variables in the structuring mode oFPA.
U
E
[mV]
60
U
E
%
110
50
U =48,33 mV
E
100
90
40
80
70
60
30
50
40
20
30
20
10
10
U =4,31 mV
A
0
0
-10
0 100 200 300
Figure 1-19 Example of linearization of a thermocouple type B Pt30Rh/Pt6, measuring range 300 to
1000 _C
SIPART DR22 6DR2210
C79000-G7476-C154-03
to U including 10 % overflow in 10 % sections and determine
A E
with n = -1 to 11
A
t
A
400 500 600
dA
*
1.5 Functional description of the structure switches
1.5.4 Controller types (S1, S49 to S53)
t
E
700 800 900 1,000 1,200
dE
*
1 Technical Description
n Un [mV] Vertex t [ C]
_
value
11 52.732 ! 11 1,048
*
10 48.33 ! 10 1,000
*
9 43.928 ! 9 951
*
8 39.526 ! 8 900
*
7 35.124 ! 7 846
*
6 30.722 ! 6 790
*
5 26.32 ! 5 729
*
4 21.918 ! 4 664
*
3 17.516 3 593
!
*
2 13.114 2 514
!
*
1 8.712 1 420
!
*
0 4.31 0 300
!
*
-1 -0.092 -1
!
*
t [ C]
_
0
45