Rockwell-automation MDO16FNS 16-Channel Digital Output Module 120Vac/d Manual de usuario descargar pdf (Pagina 5)

MDO16FN

S

October

200

5

–

Issue 4

5

Triguard

SC300E MDO16FNS 16

-

Channel D/O Module 120Vac/dc

TECHNICAL

DESCRIPTIO

N

PHYSICAL

The

MDO16FNS

is

a 9U

high

PCB

with

integral

front

panel

and

rear

connectors.

A plug

-

in

daughterboard

carries

the

common

interface

circuits.

The

board

faces

are

protected

by

detachable

covers

(see

Section

3.1,

Scope).

Figure

1

-

1 shows

the

general

layout,

including

the

location

of

the

connectors,

covers

and

front

panel

details.

Mechanical coding blocks

All

Input/Output

modules

carry

two

coder

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

coder

blocks

to

enable

fitting.

Unused

holes

are

plugged

with

set

screws.

The

chassis

slot

coder

block

configuration

for

this

module

is

shown

in

Figure

2

-

1.

Figure

2

-

1 Chassis

slot

coder

blocks

configuratio

n

EXTERNAL

CONNECTIONS

Field

circuits

The

field

load

circuit

shown

in

Figure

2

-

2 is

the

typical

required

for

the

safe

connection

of

field

loads

to

the

MDO16FNS.

For

any

unused

channel

a dummy

field

load

(value

4.7k

ohm)

should

be

used.

We

however,

recommend

the

use

of

their

16

-

Channel

Digital

Output

Termination

Cards

TDO16AIB

which

offer

full

connection

facilities

with

indicating

fuses,

and

alarm

outputs

(See

Section

1.2,

Associated

documentation).

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