Linearization Type Function Group - Siemens SITRANS P DS III Operating Instructions Manual

Operator control functions via PROFIBUS
7.1 Communications structure for PROFIBUS PA
7.1.3.2

Linearization type function group

The normalized pressure is fed through the linearization algorithms for adjustment to the
various process requirements, as shown in the following figure. The algorithm is switched
using the "Characteristic curve type" parameter.
0
10
Image 7-3
Table 7- 3
Measurement task Linearization symbol
Pressure meas-
urement
Level: Height
Level: Volume
100
Linear
Root
Linearization type function group
Available linearization functions
-
-
1 User-defined "table"
240 Root/table
Character- Description
istic curve
type
Linear No linearization
Linear No linearization
User de- Linearization of container characteris-
fined (table) tics.
The relationship between level and
volume is described using a maximum
of 31 nodes at arbitrary intervals.
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08