37
7 Set up with the display and adjustment module
VEGABAR 86 • Secondary Device for electronic differential pressure
48048-EN-220817
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.
Information:
The Zero adjustment shifts the value of the span adjustment. The
span, i.e. the difference between these values, however, remains
unchanged.
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 Span adjustment and confirm with
[OK]
.
Max. adjustment flow
Zero adjustment differen-
tial pressure
Span adjustment differ-
ential pressure
