Spectrum Controls 1769sc-HART Modules - Manual (Page 69)

User’s Man nual 0300217-
Ch
03 Rev. A
Figure 7-2
The HART m
Data commu
controlled by
adjustable by
and output im
commands.
Module spec
HART resum
Gathering H
using the mo
7.2.2 Auto
When a chan
establish a c
establishes a
codes (i.e. M
device status
may be prese
in the input i
data will upd
HART. The
the field dev
!
Attention
hapter 7: Enab
Hart multi-d
module commu
unicated over th
y the PLC. Th
y using the RP
mage include,
cific command
me, and the get
HART data is ac
odule specific
o Acquisitio
nnel is configu
onnection to an
a connection it
Manufacturer ID
s, slot variables
ent. The HAR
image (Of4ih0
date, on averag
e module initiat
vice. Please see
bling and Using
drop is not sup
unicates to the
he input and ou
he rate at which
PI (Requested P
analog data, m
ds include the H
t HART device
ccomplished u
commands.
on
ured for HART
ny HART field
will begin to a
D, serial numbe
s (if enabled),
RT data retrieve
0Input.HartData
ge, every 3.5 se
tes the connect
e figure below
g HART on th
pported by th
controller usin
utput image ar
h data is comm
Packet Interval
module status, H
HART pass-thr
e information c
using two proce
T, the module w
d device wired
acquire HART
er, etc.), the fo
and any stored
ed automaticall
a) and is acces
econds if all fo
tion by sending
w.
he 1769sc-OF4I
he OF4IH.
ng the input an
re transmitted a
municated to the
l). The data pa
HART data, an
rough comman
command.
esses auto acq
will automatica
d to the channel
data, including
our dynamic va
d ASCII messa
ly by the modu
ssible by ladder
our channels ar
g a string of HA
IH
nd output image
at a rate that is
e compactbus i
assed via the in
nd module spec
nds, HART sus
uisition, and o
ally search and
l. Once the mo
g device specif
ariables, extend
age descriptor t
ule is then disp
r logic. The H
e enabled for
ART command
7-3
e.
is
nput
cific
pend,
or
odule
fic
ded
that
played
HART
ds to