CARLO GAVAZZI EN61036 Manual do Utilizador descarregar pdf (Página 9)

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9

Programming

1.2..

..2.1

Displayed pages

7

8

18

Alarm output

13

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System

This function allows the operator to

select the electrical system choos-

ing between three-phase with neu-

tral (3P.n) and three-phase without

neutral (3P).

Choose by means of and

the “SySTEn” function, press

to enter the menu; then, select the

desired system by means of the

and keys and confirm with

.

■

CT ratio

This function allows the user to se-

lect the value of the CT ratio. Exam-

ple: if the CT primary (ammeter

transformer) has a current of 300A

and the secondary has a current of

5A, the CT ratio corresponds to 60

(obtained by carrying out the follow-

ing calculation: 300/5).

Choose the “Ct.rAtio” function by

means of the and keys; to

enter the menu press ; then se-

lect the desired value by means of

the and keys and confirm

the new value with .

The energy meters are

reset by changing the CT

ratio.

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