This process is used to select the display format depending on which formats are provided in the user program.
Standardized display of electrical ranges
The values are displayed in standardized units (in % with 2 decimals, also with symbol °/
):
|
Type of range
|
Display
|
|
unipolar range
0-10V, 0-5V, 0-20mA, 4-20mA
|
from 0 to 10000 (0 °/  to 10000 °/  ). |
|
bipolar range
+/-10V
|
from -10000 to +10000 (-10.000 °/  to +10.000 °/  ). |
User-defined display of electrical ranges
The user can select the value range in which the measurements are expressed, by selecting:
-
the minimum limit corresponding to the range minimum: 0 (or - 10000 °/
),
-
the maximum limit corresponding to the range maximum: + 10000 °/
.
The minimum and maximum limits are between -31128 and +31128.
Example:
Use of a 2/20 bar pressure sensor supplying a 0/20 mA signal and having a linear characteristic.
The user is interested in the pressure rather than the current value. The best resolution is obtained by selecting user display:
The user-program then uses values expressed directly in the physical unit, the millibar.
Illustration:
