Circutor computer MAX Plug&Play series Instrukcja Użytkownika Pobierz pdf (Strona 12)

M98228201-03-14A computer MAX 6 / computer MAX 12

- 12 -

4.2.3 Cabling cross sections and protections

The supply circuit must be protected by means of fuses or a circuit breaker sized between 0,5 and 2 A.

Recommended fuses are gl type (IEC 269) or M type (IEC 127). A main circuit breaker must be provided

in order to allow the disconnection of control circuits from supply (Computer, relays, contactor coils, etc.)

The main switch must be easily accessible. The cabling cross section must be minimum 1,5 mm

for the

voltage supply and for the relay outputs and 2,5 mm

for the cables connecting secondary of CT to

Computer

MAX. For distances between CT and computer higher than 10m the cross section of the last

must be increased at a rate of 1 extra mm

every 10 m.

4.2.4 Schematics

computer MAX 6

COM

123456AB

S1 S2

RELAYS C1..C6

SUPPLY AND MEASURE

TERMINALS

P1 P2

Fig. 4.2.- Connection schematic for Computer MAX 6

Nº

Terminals functions

A Current input S1

B Current input S2

COM Relays common

1 Relay Output 1

2 Relay Output 2

3 Relay Output 3

4 Relay Output 4

5 Relay Output 5

6 Relay Output 6

C Supply/Measure Input 0V

Supply/Measure Input(*)

(*) Rated voltage depending on type. See device label

computer MAX 12

COM 789101112

COM

123456AB

S1 S2

RELAYS C1..C6

RELAYS C7..C12

SUPPLY AND MEASURE

TERMINALS

P1 P2

Fig. 4.3.- Connection schematic for Computer MAX 12

Nº

Terminals description

A Current input S1

B Current input S2

COM Relays common

1 Relay Output 1

2 Relay Output 2

3 Relay Output 3

4 Relay Output 4

5 Relay Output 5

6 Relay Output 6

7 Relay Output 7

8 Relay Output 8

9 Relay Output 9

10 Relay Output 10

11 Relay Output 11

12 Relay Output 12

C Supply/Measure Input 0V

Supply/Measure Input(*)

(*) Rated voltage depending on type. See device label

WARNING!

For Computer MAX 12 devices (12 relay outputs) the connection between COM terminals

in the upper and lower terminal strips must be done externally.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

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Circutor computer MAX Plug&Play series Instrukcja Użytkownika Strona 12

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