Spectrum-controls 1769sc-HART Modules Manual de usuario descargar pdf (Pagina 94)

User’s Ma

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7-28

Sectio

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Module

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Compa

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ual 0300217

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7.4

Specific

a

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t IO™ Isolat

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03 Rev. A

The HART

o

include the

H

information

.

Since some

m

module 40

b

The module

7-8 using a

J

the message

and stored i

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figure belo

w

Figure 7-9

(

The tables o

7.4.1 Get

The Get

H

A

R

information

Table 7-11.

information

Get HART

D

RAM and n

o

Table 7-9 (

G

HART Get

D

Get currently

Field

HART Chan

n

Number

Command N

u

Input Par:

M

Input Par:

M

Return Par:

M

Return Par:

M

e

d HART Ana

l

o

utput module

H

ART pass-th

r

.

The comma

n

m

essages can

b

b

ytes at a time

u

specific com

m

J

SR instructio

n

to the module

n

a temporary

a

w

.

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Messa

g

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n the followin

g

HART De

v

R

T Device Inf

o

for the conne

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The informati

gathered from

D

evice Inform

a

o

t di

r

ectly fro

m

G

et HART D

e

D

evice Informa

t

cached Device

I

V

a

n

el 0

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mbe

r

0

x

M

essage Size

M

essage Body (i.e.

M

essage Done

M

essage Respons

e

JS

R

l

og Output Mo

uses module

s

r

ough, HART

s

n

ds are passed

t

b

e as long as

2

u

sing the pagi

n

m

and and acco

m

n

with paramet

. The respons

e

a

rray where it

c

w

)

g

pages show

t

v

ice Inform

a

o

rmation com

m

c

ted HART de

v

on that is gath

e

the auto-acqu

i

a

tion comman

d

m

the field dev

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e

vice Informa

t

t

ion – comman

d

I

nformation for

a

a

lue

x

00 – 0x03 (1 b

y

x

03 (1 byte)

Device Specific

C

e

(i.e. Temp Arra

y

o

dule

s

pecific comm

a

suspend and r

e

t

o the module

u

2

57 bytes, the

d

n

g scheme des

m

panying dat

a

t

ers. When th

e

e

data, if any,

i

can be used w

i

t

he format for

e

a

tion

m

and is used t

o

v

ice. The data

ered by this c

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isition process

d

pulls the dat

a

i

ce.

t

ion Comma

n

d

message pac

k

a given channel

.

y

te)

C

ommand)

y

)

a

nds. Module

e

sume, and ge

t

using the inpu

t

d

ata is transpo

r

cribed in the

p

a

is passed to t

h

e

routine is ex

e

i

s also convert

e

i

thin the ladde

r

e

ach module s

p

o

gather the de

v

that is retriev

e

o

mmand is si

m

s

. The key dif

f

a

that has been

n

d)

k

et structure

.

R

F

specific com

m

t

HART devic

e

t

and output i

m

r

ted to and fro

m

p

revious sectio

n

h

e routine in F

i

e

cuted it will s

e

e

d by this rout

r

program. Se

e

p

ecific comm

a

v

ice specific

e

d can be seen

m

ilar to the

f

erence is that

t

stored in the

m

Definition

Module input

channel numbe

r

HART comma

n

The command

number to obta

i

HART device

information

R

outine

F

ig 7.9

m

ands

e

m

age.

m

the

n

.

i

gure

e

nd

ine

e

a

nd.

in

t

he

m

odule

r for

nd

in

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