28
9 Optio
9.1
Vente
(See figures 1
A standard Lo
the atmosphe
natural gas, p
natural gas to
cause some p
(from the mod
(from the actu
described belo
Two chamber
positioners: th
chamber. (Fig
located on the
Vented-design
the factory wit
Connect the n
the exhausted
The maximum
device on the
Vent flow rate
WARNING
must neve
Figure 19: Ma
Figure 21: Ha
onal Hard
ed Design
9 and 20.)
ogix 3200MD po
re. When supp
iping must be u
a safe environ
positioner back
dulator and reg
uator). Back pr
ow.
s must be vent
he main housin
gures 19 and 2
e back side of t
n Logix 3200M
th a fitting insta
necessary tubin
d natural gas to
m allowable bac
main housing
is 0.5 std ft³/m
G:
The back pre
er rise above 2.
ain Housing Ven
rt VHF Filter S
dware
ositioner is ven
ply air is substi
used to route th
nment. This pip
pressure in the
ulator) and spo
ressure limitatio
ted on the Logi
g chamber and
20.) The main c
he positioned.
D positioners a
alled in the mai
ng/piping to this
o a safe environ
ck pressure fro
vent is 2.0 psi
min (1.4 std liter
essure in the m
0 psi g (0.14 b
nt
chematic
Use
nted directly to
tuted with swe
he exhausted
ping system ma
e main chambe
ool chamber
ons are
ix 3200MD
d the spool valv
chamber vent i
(See figure 19
are supplied fro
n chamber ven
s fitting to route
nment.
m the collectio
g (0.14 bar g).
r/min).
main housing
bar g).
er instructions –
et
ay
er
ve
is
9.)
om
nt.
e
n
Figure 2
The spo
vented
3200MD
fitting in
Connec
exhaust
allowab
g (0.55
vented
atmosp
9.2
The HA
commu
the RS-
modem
in its pla
232 CO
an inter
erratic a
a reduc
recharg
the prob
Flowse
part num
When u
the HAR
anywhe
are not
connec
Logix 3
– Digital Positio
20: Spool Cove
ool valve cham
through the spo
D positioners a
nstalled in the s
ct the necessar
ted natural gas
ble back pressu
bar g). Pressu
gas to leak pas
phere and will re
HART Mod
ART modem is
unications port
-232 COM port
m is optional in
ace. The HAR
OM port lines.
rnal battery, HA
as the batteries
ction in HART m
ge or apply AC
blem. A HART
rve representa
mbers.)
using a HART m
RT 375 handhe
ere across the
polarity sensit
ction must be m
3200MD. (See
oner 3200MD
er Vent
ber (see figure
ool valve cover
re supplied from
spool valve cove
ry tubing/piping
s to a safe envir
ure in the spool
ures greater tha
st the spool cov
esult in oversho
dem
a device that c
of a computer.
t signals to the
ValveSight
sinc
RT modem take
If using a lapto
ART communic
s begin to lose
modem power.
adapter powe
T modem is ava
ative. (Please r
modem with
Va
eld, the leads c
4-20 mA curre
tive. When usi
made between t
figure 21.)
LGENIM0059-
flowse
20) must also
r. Vented-desig
m the factory w
er (item SKU 1
to this fitting to
ronment. The m
valve chamber
an 8 psi g will ca
ver O-ring to the
oot of the positio
connects to the
This modem
HART signal.
ce a MUX can
es power from t
op computer ru
cation may bec
charge. This
Allow batterie
r to the laptop
ailable through
refer to Section
alveSight
or wh
can be connect
nt signal. The
ng a filter, the
the filter output
-04 09/11
erve.com
be
gn Logix
with a
79477).
o route the
maximum
r is 8 psi
ause
e
oner.
e serial
converts
A HART
be used
the RS-
nning on
come
is due to
es to
to correct
h your
n 12 for
hen using
ted
leads
t and the
