Lenze 490 Series Speed controllers tor DC motors Manual de usuario descargar pdf (Pagina 8)

—

~

~—..

5.7

5.8

When

connecting,

check

for

the

clockwise rotating

field.

In

case

of an

anticlockwise

rotating

field

the

wrong

phase

sequence

is

displayed by lighting

of

the

LED

SEQ,

the

firing

pulses

are

inhibited.

Capacity

of

the +Vcc

supply.

For

a

supply

of

external option

boards,

a

total

output

current

of

5OmA

is

available.

6.

Special field

voltages

Field

voltage

UF

0.9

x

ULl

L2

(N)

6.1

11121L3L

El

II

F

F3

11

1

1

L1

L2

L3

IL1IL2(N)j

IIKI

F5

LK

)

Umains

Ll,

L2,

L3

=

380/415V

Ufield

1,

K

=

0.9

X

ULl

L2

(N)

e.g. UF

=

0.9

x 380V

UF

340V

1K

F5

for

the

protection

against

earth fault

Field

supply

by

autotransforiner

IL1.11L2<N)I_i

F5

I

LK

0

~R

UFN

—5

T1

II

Umains

L1, L2,

L3

=

340

to 460V

Ufield

1.

K

=

0.9

X

ULl

L2

(N)

Ufield

1,

K

UFN

0.9

1K

L1

L2

L3

FS

for

protection

against earth fault

For

Tl an

isolation

transformer

can

be

used.

See

chapter

6.3.

page:

5

6.2

II

LJ

tJ

Lanze

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 22 23

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