Vega VEGABAR 66 Operating Instructions Manual page 39

Carry out max. adjust-
ment
Parameter ad-
justment "Pro-
cess pressure
measurement"
VEGABAR 66 • Foundation Fieldbus
6 Set up with the indicating and adjustment module PLICSCOM
If the adjustment ranges are exceeded, the message "Outside
parameter limits" appears. The editing procedure can be aborted with
[ESC] or the displayed limit value can be accepted with [OK].
Proceed as follows:
1
Edit the % value in the menu item "Max. adjustment" with [OK].
Max. adjustment
+100.0 %
=
+1000.0 mbar
0000.0 mbar
Information:
The displayed pressure for 100 % corresponds to the nominal
measuring range of the sensor (in the above example 1 bar =
1000 mbar).
2
Set the requested percentage value with [->] and [OK].
3
Confirm with [OK] and edit the requested mbar value.
4
Set the requested mbar value with [+] and [->].
5
Confirm with [OK] and move to the menu overview with [ESC].
The max. adjustment is finished.
Information:
For an adjustment with filling, simply enter the actual measured value
indicated at the bottom of the display.
If the adjustment ranges are exceeded, the message "Outside
parameter limits" appears. The editing procedure can be aborted with
[ESC] or the displayed limit value can be accepted with [OK].
Process pressure measurement
Set up VEGABAR 66 in the following sequence:
1
Select application "Process pressure measurement"
2
Select the unit of measurement
3
Carry out a position correction
4
Carrying out zero adjustment
5
Carry out span adjustment
In the menu item "Adjustment unit" you select the physical unit in which
the adjustment should be carried out, e.g. mbar, bar, psi...
The position correction compensates the influence of the mounting
position or static pressure on the measurement. It does not influence
the adjustment values.
In the menu items "zero" and "span" you determine the span of the
sensor, the span corresponds to the end value.
39