Siemens SITRANS P Operating Instructions Manual page 123

With pressure present, you have the following options for assigning the desired pressure
measurements to the lower range value and the upper range value:
Apply lower range value Hold down the
Apply upper range value Hold down the
The minimum permissible measuring span of the measuring cell must not be fallen below. You
can find the minimum permissible measuring span of your measuring cell in the section
Technical data (Page 199)
Example: Measuring cell 0 to 16 bar
1. The measuring range is from 0 to 16 bar.
2. You set the lower range value from 0 bar to 1 bar.
In order for the measuring span to stay constant, the upper range value is automatically
shifted from 16 bar to 17 bar.
3. You set the upper range value from 17 bar to 15 bar.
The measuring span is 14 bar.
Requirement
● A pressure is applied, e.g. the device is already mounted.
● The pressure is within the measuring limits.
Procedure
1. Navigate into the parameter view.
Navigating in the views (Page 76)
2. Select the "Apply lower range value" parameter [08].
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
9.2 Parameter assignment over device with display
Device without display
button for 3 seconds.
button for 3 seconds.
Parameter assignment
Device with display
"Apply lower range val‐
ue" parameter [08]
"Apply upper range val‐
ue" parameter [09]
Remote operation
"Device > Apply values"
menu
"Device > Apply values"
menu
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