Vega Capacitive electrodes EL Profibus PA Bedienungsanleitung PDF herunterladen (Seite 42)

42 Capacitive electrodes EL - Profibus PA

Setup

If you have chosen pF, you can assign a

corresponding value in Picofarad to the per-

centage value.

Example

0 % = 97.2 pF

100 % = 1428.0 pF

The values for the adjustment will be ac-

cepted by pushing the button

Conditioning

The following functions are available in this

window:

- Scaling

- Linearisation

- Integration time

Scaling

With this button, a message appears telling

you that for Profibus sensors, this function

can be found in the menu window "

Instrument

data parameter adjustment

" under the menu

item "

Output

". Carry out the scaling there.

Linearisation

In this window, you can linearise non-linear

vessels, such as e.g. a cylindrical tank. The

following linearisation curves are available:

- linear

- cylindrical tank

- spherical tank

- user-programmable curve

Click in the window "Instrument data param-

eter adjustment" to Conditioning.

Click in the window "Conditioning" to

Linearisation.

With oscillator CAP E34 PA Ex you can also

enter your own linearisation curve for special

vessels, e.g. cylindrical vessel with large

funnel-shaped outlet, under "user-program-

mable curve".

Push the button

Edit.

You can enter the value

pairs (percentage value - volume value) for

32 index markers.

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 55 56

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