Circutor DHB Series Manuel d'utilisateur télécharger pdf (Page 30)

5.4.4 Individual Characteristic

DHB-1xx meters can recount the measured value into any value thanks

to the implemented individual characteristic function. The individual

characteristic causes rescale of the measured value for the expected

indication range vaule. The way of the individual characteristic interac-

tion on the meter operation has been presented on the fig.10.

Fig. 10. Action of the Individual Characteristic

The user can introduce maximally twenty functions through the given

points defining intervals with expected values (fig.11).

The programming of the individual characteristic consists in the defini-

tion of the number of points which the input function will be linearized

by. One must remember, that the number of linearizing functions is of

one less than the number of points. Next, one must program successive

points by giving the measured value (Hi) and the expected value corre-

sponding to it, – value which has to be displayed (Yi) (where i – number

of the successive point, 0 < i < n).

The graphic interpretation of the individual characteristic is presented

on the fig. 11.

H2 H3 H4 H5 H6 H7 H8 H9 H10

Y10

Wartość

mierzona

Wa rt oś ć

oczekiwana

Funkcja wejściowa

Funkcja zlinearyzowana

H2 H3 H4 H5 H6 H7 H8 H9 H10

Y10

Measured

value

Expected

value

Input function

Linearized function

Wartoœæ

mierzona

Funkcje

matematyczne

Charakterystyka

indywidualna

Wartoœæ

wyœwietlana

Sterowanie

alarmami

Interfejs

RS-485

Sterowanie

wyjœciami

analogowymi

Przeskalowanie

sta³¹ Cons1

Measured

value

Individual

characteristic

Displayed

value

Control of

alarms

RS-485

interface

Control

of analog

outputs

Measured

value

Rescaling by the

constant Cons1

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Circutor DHB Series Manuel d'utilisateur Page 30

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