43
6 Set up the sensor with the display and adjustment module
VEGADIF 85 • Profibus PA
53569-EN-230814
2. Edit the mbar value with
[OK]
and set the cursor to the requested
position with
[->]
.
3. Set the requested mbar value with
[+]
and store with
[OK]
.
4. Change with
[ESC]
and
[->]
to the span adjustment
With flow in two directions (bidirectional) a negative differential pres
-
sure is also possible. The maximum negative pressure must then be
entered for the min. adjustment. For linearization, select "
bidirec-
tional
" or "
bidirectional-extracted by root
" accordingly, see menu item
"
Linerarization
".
The min. adjustment is finished.
For an adjustment with pressure, simply enter the actual measured
value indicated at the bottom of the display.
Proceed as follows:
1. Select with
[->]
the menu item Max. adjustment and confirm with
[OK]
.
2. Edit the mbar value with
[OK]
and set the cursor to the requested
position with
[->]
.
3. Set the requested mbar value with
[+]
and store with
[OK]
.
The max. adjustment is finished.
For an adjustment with pressure, simply enter the actual measured
value indicated at the bottom of the display.
Proceed as follows:
1. Select the menu item "
Setup
" with
[->]
and confirm with
[OK]
.
Now select with
[->]
the menu item "
Zero adjustment
" and con
-
firm with
[OK]
.
2. Edit the mbar value with
[OK]
and set the cursor to the requested
position with
[->]
.
3. Set the requested mbar value with
[+]
and store with
[OK]
.
4. Change with
[ESC]
and
[->]
to the span adjustment
The zero adjustment is finished.
Max. adjustment flow
Zero adjustment differen
-
tial pressure