VEGA VEGABAR 83 4 … 20 mA - Operating Instructions User Manual

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6 Set up with the display and adjustment module

VEGABAR 83 • 4 … 20 mA

45033-EN-131010

VEGABAR 83 always measures pressure independently of the pro-

cess variable selected in the menu item "Application". To output the

selected process variable correctly, an allocation to 0 % and 100 % of

the output signal must be carried out (adjustment).
With the application "Level", the hydrostatic pressure, e.g. with full

and empty vessel, is entered for adjustment. See following example:

100%

(196.

9")

Fig. 25: Parameter adjustment example "Min./max. adjustment, level measure-

ment"
1 Min. level = 0 % corresponds to 0.0 mbar

2 Max. level = 100 % corresponds to 490.5 mbar

If these values are not known, an adjustment with levels of for exam-

ple 10 % and 90 % is also possible. By means of these settings, the

real filling height is then calculated.
The real product level during this adjustment is not important, be-

cause the min./max. adjustment is always carried out without chang-

ing the product level. These settings can be made ahead of time

without the instrument having to be installed.
Note:

If the adjustment ranges are exceeded, the entered value will not be

accepted. Editing can be interrupted with [ESC] or corrected to a

value within the adjustment ranges.
For the other process variables such as e.g. process pressure, differ-

ential pressure or flow, the adjustment is performed in like manner.

Proceed as follows:
1. Select the menu item "Setup" with [->] and confirm with [OK].

Now select with [->] the menu item "zero adjustment" and confirm

with [OK].

2. Edit the mbar value with [OK] and set the cursor to the requested

position with [->].

Setup - Adjustment

Setup - zero adjustment