Rockwell-automation MAI32AD 32-Analogue Input Module Differential Inpu Instrukcja Użytkownika Pobierz pdf (Strona 14)

14

MAI32*A

D

October

200

5

–

Issue 4

Triguard

SC300E

CAUTION

5

When

inserting

a module

ensure

that

it

is

aligned

with

the

markings

on

the

chassis

rails

and

that

it

engages

with

the

upper

and

lower

guides.

Improper

insertion

may

cause

damage

to

the

module

and/or

chassis

connectors.

Single

-

slot

hot

repair

Operate

the

On/Off

Line

Request

switch

on

the

faulty

module,

the

three

On

Line

LEDs

should

all

go

out

to

indicate

that

the

MPPs

have

recognised

the

request

and

taken

the

module

o

ff

-

line.

The

last

read

data

input

from

the

module

will

be

maintained

until

the

new

module

is

on

-

line.

Slacken

the

two

module

securing

screws

and

use

the

black

ejection

levers

(top

and

bottom)

to

draw

the

module

from

its

slot.

Insert

the

new

module

ensuring

that

it

engages

properly

in

the

upper

and

lower

guides

in

the

chassis,

the

top

and

bottom

chassis

rails

carry

alignment

marks

to

assist.

Pull

out

the

ejection

levers

and

as

the

module

is

pushed

back

engage

the

levers

on

the

chassis

rails.

The

levers

should

then

be

used

to

draw

the

module

into

position,

some

resistance

will

be

felt

as

the

rear

connector

pins

engage.

The

module

should

be

fixed

in

position

with

the

securing

screws.

Operate

the

On/Off

Line

Request

switch

and

check

that

the

three

On

Line

LEDs

illuminate

for

one

second,

extinguish

for

one

second

and

then

illuminate

permanently

to

indicate

that

the

module

has

been

put

on

-

line.

If

the

LEDs

do

not

illuminate

either

the

first

or

second

time

or

fail

to

remain

illuminated,

then

the

module

must

be

considered

faulty.

Dual

-

slot

hot

repair

Insert

the

new

module

into

the

vacant

hot

repair

slot

ensuring

that

it

engages

properly

in

the

upper

and

lower

guides

in

the

chassis,

the

top

and

bottom

chassis

rails

carry

alignment

marks

to

assist.

Pull

out

the

eject

ion

levers

and

as

the

module

is

pushed

back

engage

the

levers

on

the

chassis

rails.

The

levers

should

then

be

used

to

draw

the

module

into

position,

some

resistance

will

be

felt

as

the

rear

connector

pins

engage.

The

module

should

be

fixed

in

position

with

the

securing

screws.

Operate

the

On/Off

Line

Request

switch

on

the

new

module.

Ascertain

that

the

three

On

Line

LEDs

on

the

new

module

illuminate

for

one

second,

extinguish

for

one

second

and

then

illuminate

permanently

as

the

LEDs

on

the

old

module

extinguish.

This

sequence

indicates

that

the

new

module

has

been

put

on

line

and

the

old

module

taken

off

line.

If

the

LEDs

on

the

new

module

do

not

illuminate

either

the

first

or

second

time

or

fail

to

remain

illuminated,

the

new

module

must

be

regarded

as

faulty.

The

old

module

LEDs

should

remain

illuminated

indicating

that

it

is

still

on

-

line.

If

the

new

module

is

serviceable

slacken

the

screws

on

the

old

module

and

use

its

ejection

levers

to

remove

it

from

the

chassis.

PREVENTIVE

MAINTENAN

CE

No

preventive

maintenance

is

necessary.

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