YASKAWA Varispeed-606PC3 Manual de instrucciones descargar pdf (Pagina 43)

t

.

VS-606PC

3

INVERTER

MAIN

UNIT

(Cont

-

d)

(b)

Grounding

Ground

the

casing

of

the

VS-606PC3

using

ground

terminal

G

.

(1)

Ground

resistance

should

be

100

SZ

or

less

.

(2)

Never

ground

VS-606PC3

in

common

with

welding

machines,

motors,

or

other

large-

current

electrical

equipment,

or

a

ground

pole

.

Run

the

ground

lead

in

a

conduit

separate

from

leads

for

large-current

electrical

equipment

.

(3)

Use

the

ground

leads

which

comply

with

AWG

standards

and

make

the

length

as

short

as

possible

.

(4)

Where

several

VS-606PC3

units

are

used

side

by

side,

all

the units

should

be

grounded

as

shown

in

(a)

or

(b)

of Fig

1

.4

.

Do

not

form

a

loop

with

the

ground

leads

as

shown

in

(c)

.

QW

1

LM4

(a)

GOOD



(b)

GOOD



(c)

POOR

Fig

.

1

.4

Grounding

of

Three

VS-6()6PC3

Units

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 156 157

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