Rockwell-automation MDO32BNS 32-Channel Digital Output Module Manual de usuario descargar pdf (Pagina 5)

MDO32BNS October

200

5

–

Issue 7

5

Triguard

SC300E MDO32BNS 32

-

Channel Digital Output Module

TECHNICAL

DESCRIPTIO

N

PHYSICAL

The

Digital

Output

Module

is

a 9U

high

PCB

with

integral

front

panel

and

rear

connectors;

a

plug

-

in

daughter

board

carries

the

Common

Interface

circuits.

The

general

layout,

location

of

the

connectors,

front

panel

components

and

the

configuration

links

are

shown

in

Figure

1

-

1

MECHANICAL CODING BLOCKS

All

Input/Output

modules

carry

two

mechanical

coding

blocks

equipped

with

pins

which

mate

with

holes

in

corresponding

blocks

in

the

chassis

and

prevent

the

module

being

inserted

into

the

wrong

slot.

The

pins

in

the

module

blocks

are

factory

installed

in

a pattern

determined

by

the

module

and

corresponding

set

screws

are

removed

from

the

chassis

coding

blocks

to

enable

fitting.

Unused

holes

are

plugged

with

set

screws.

The

chassis

coding

block

configuration

for

this

module

is

shown

in

Figure

2

-

1.

Figure

2

-

1.

Chassis

mechanical

coding

block

configurations

EXTERNAL

CONNECTIONS

Field

circuits

The

field

load

circuit

shown

in

Figure

2

-

2 is

the

absolute

minimum

required

for

the

safe

connection

of

field

loads

to

the

Digital

Output

Module.

For

any

unused

channel

which

may

never

be

switched

on

a dummy

field

load

(4.7k

ohm

resistor

of

adequate

wattage)

must

be

used.

If

a channel

may

be

switched

on,

the

total

load

should

not

exceed

1.2

k ohm

maximum.

We

however,

recommend

the

use

of

their

16

Channel

Digital

Output

termination

cards

TDO16*IN

which

offer

full

connection

facilities

with

indicating

fuses,

alarm

outputs

and

dummy

loads

(see

Associated

documentation).

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