VEGA VEGADIF 65 4 … 20 mA_HART User Manual

Page 48

6 Adjustment with the display and adjustment module PLICSCOM

VEGADIF 65 • 4 … 20 mA/HART

36128-EN-130417

Offset

=
-0.0035 bar
0.0000 bar

4. Move to min. (zero) adjustment with [->].
The current measured value was corrected to 0, the corrective value

is available in the display as offset value with sign reversal.
If a known value should be taken over as position correction which is

not the current value, then you have to select the function "Edit" and

enter the requested value.

In this menu item, the min. differential pressure is entered.
Proceed as follows:
1. Edit the bar value in the menu item "zero" with [OK].

Zero adjustment
0.00 %

=
0.0000 bar
0.0000 bar

2. Set the requested value with [+] and [->].
3. Confirm with [OK] and move to span adjustment with [->].
For an adjustment with pressure, simply enter the actual measured

value indicated at the bottom of the display.
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.

In this menu item, the max. differential pressure is entered.
Proceed as follows:
1. Edit the bar value in the menu item "span" with [OK].

Span adjustment
100.00 %

=
0.5000 bar
0.0000 bar

Information:

If the instrument has not yet been adjusted, the displayed pressure for

100 % corresponds to the nominal measuring range of the sensor (in

the above example 500 mbar).
2. Set the requested value with [+] and [->].
3. Confirm with [OK] and move to the menu overview with [ESC].
For an adjustment with pressure, simply enter the actual measured

value indicated at the bottom of the display.
The span adjustment is finished.

Proceed as follows:

Zero adjustment with dif-

ferential pressure

Span adjustment with dif-

ferential pressure

Min. adjustment with level