CARLO GAVAZZI MDI 40 TF - CONFIGURATION SOFTWARE Manuel d'utilisateur télécharger pdf (Page 16)

ENGLISH

OPERATING MODE

• Power-on

When you switch the unit on, the instrument shows for approximately 5

seconds the instruments’s software revision, for example: r.1.

• Displaying, control and diagnostics

The instrument shows continuously the value of the input variable as

defined in the programming phase.

The value shown on the display is continuously compared with the value

of the two set-points and of the other parameters, thus generating the

control function by energizing/de-energizing the output relays.

• Programming

This phase is identified by the blinking of the decimal point on the right

side of the display.

To enter the programming phase, press the “

” key until “PAS” is

shown on the display; then “0” is displayed: the correct numerical code

(password) is to be entered. The following conditions may occur:

• 1) the operator hasn’t entered any Password: press the “

” key

again to enter the configuration menus of the instrument;

• 2) the operator has already entered a Password: select the correct

password by means of the “ ” key (to increase the value) or “ “ key

(to decrease it) until the desired value is displayed. Press the “

” key

to confirm the value: if the password is correct, then the display will show

“PAS” again followed by the relating numerical code; press the “

”

key once more in order to display the first configuration menu; if the

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CARLO GAVAZZI MDI 40 TF - CONFIGURATION SOFTWARE Manuel d'utilisateur Page 16