Rockwell-automation MDO32BNS 32-Channel Digital Output Module Uživatelský manuál stáhnout pdf (Strana 10)

10

MDO32BNS

Oc

tober

200

5

–

Issue 7

Triguard

SC300E

The

module

uses

hardware

circuitry

and

configuration

lin

ks

that

enable

the

system

to

identify

the

module

type

and

configuration

mode.

The

configuration

links

1,

2 and

3 are

located

in

the

top

right

-

hand

corner

of

the

module

(see

Figure

1.1).

Link

1 allows

the

module

to

be

set

up

for

321

or

320

mode

operation.

320

mode

means

that

the

system

will

continue

to

function

with

two

out

of

three

serviceable

circuits.

In

321

mode

the

system

will

continue

to

function

with

one

out

of

three

serviceable

circuits.

No

link;

defaults

to

320

mode.

Link

2 (HLV/GTZ)

determines

whether,

in

the

event

of

a failure

due

to

321/320

action,

the

last

read

values

are

held

(HLV)

or

are

set

to

zero

(GTZ).

No

link;

defaults

to

GTZ

mode.

Link

3 is

factory

set

to

HW

and

if

changed

to

ICCB

(see

Note)

or

removed

the

module

defaults

to GTZ.

(NOT

E:

ICCB

is

a silk

screen

identifier

used

on

output

modules

only)

Table

2

-

1.

Link

settings

versus

operation

Link

settings

(see

Notes)

Processor

and

interface

status

Link

1

Link

2

Link

3

3 MPPs

& associated

path

CI

operating

2 MPPs

& associated

path

CI

operating

1 MPP

& associated

path

CI

operating

321

X X

Normal Normal Normal

320

HLV

HW

Normal Normal

HLV

320

HLV

ICCB

Normal Normal

GTZ

320

GTZ

X

Normal Normal

GTZ

320

Missing

X

Normal Normal

GTZ

Notes:

X = Don’t

care

or

missing

link

Link

1 missing

=

320

operation

HL

= Last

valid

output

held

(Output

maintained)

GTZ

= Go

To

Zero

(Output

turned

off)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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