26
9. Carefully c
insert and
10. Route the
and recon
11. Install the
screws thr
and tighten
over tighte
12. Reinstall a
13. Reconnec
perform a
8.7 Main
The main prin
circuit board a
the positioner
None of the co
Replacing Ma
To replace the
15 and procee
required:
Phillips
sc
WARNING
electrostat
1. Make sure
2. Disconnec
3. Remove th
4. Remove th
retaining s
5. Remove
th
assembly (
the 4-20 m
6. Remove th
assembly
(See figure
7. Install the
retaining s
boss and t
over tighte
8. If the old m
output boa
Align the tw
with the m
press the c
center the posit
tighten the scr
wires along th
nect to the mai
plastic board c
rough the plast
n evenly, using
en. (See figure
all covers.
ct power and ai
stroke calibrati
PCB Asse
ted circuit boar
and processor t
. The main PC
omponents on
ain PCB Asse
e main PCB as
ed as outlined b
crewdriver
G:
Observe pre
tically sensitive
e the valve is by
ct the power an
he main cover.
he plastic board
screws. (See fi
he five wire conn
(six wire connec
mA analog outpu
he retaining scr
and lift the mai
e 15.)
new main PCB
screw through t
tighten, using a
en.
main PCB is eq
ard, gently lift th
wo connectors
ating sockets o
connectors tog
tion sensor on
rews. Do not o
e side of the po
in PCB assemb
cover. Insert th
ic cover into th
g a Phillips scre
e 15.)
r supply to the
ion.
mbly
rd (PCB) assem
that perform co
CB is to be repl
the main PCB
mbly
ssembly, refer t
below. The fol
ecautions for ha
e devices.
ypassed or in a
nd air supply to
d cover by rem
igure 15.)
nections from th
ctions if the unit
ut option). (See
rew from the m
in PCB out of t
B into the hous
the board into t
a Phillips screw
quipped with a 4
he board off the
of the 4-20 mA
on the main PC
gether.
Use
the shaft bore,
over tighten.
osition sensor
bly.
he three retaini
e threaded bos
ewdriver. Do n
positioner and
mbly contains t
ontrol functions
aced as a unit.
are serviceabl
to figure 11 and
lowing tools ar
andling
a safe condition
the unit.
moving the three
he main PCB
is equipped wit
figure 11.)
main PCB
he housing.
ing. Insert the
the threaded
wdriver. Do not
4-20 mA analo
e main PCB.
A output board
CB and gently
er instructions –
,
ng
ss
not
d
the
s of
.
e.
d
re
n.
e
th
t
og
9. Rein
if th
opti
10. Inst
scre
and
ove
11. Rei
12. Rec
reco
stro
8.8
The pre
that me
actuato
algorith
Advanc
pressur
with Pro
diagnos
pressur
pressur
Handhe
ValveS
Remov
To repla
15 and
tools ar
Ph
WA
elec
1. Mak
2. Disc
3. Rem
4. Rem
reta
5. Disc
boa
6. Rem
boa
the
7. Rem
– Digital Positio
nstall the five w
e unit is equipp
on). (See figu
tall the plastic b
ews through th
d tighten evenly
r tighten. (See
nstall all cover
connect power
onfigure the po
oke calibration.
Pressure S
essure sensor b
easure the pres
or pressure sen
hm to enhance
ced diagnostics
re alarm, signa
o diagnostics,
stic analyses.
re sensors nee
re sensor calib
eld Communica
Sight
.
ving the Press
ace the pressu
25 and procee
re required:
illips screwdriv
ARNING:
Obse
ctrostatically se
ke sure the valv
connect the po
move the main
move the plasti
aining screws.
connect the rib
ard from the PC
move the two s
ard to the housi
pressure sens
move the press
oner 3200MD
wire connection
ped with the 4-
re 11.)
board cover. In
e plastic cover
y, using a Philli
e figure 15.)
rs.
and air supply
ositioner being
Sensor Boa
board contains
ssure on outpu
nsors are used
valve stability.
s, pressure dat
atures and data
pressure data
For optimal pe
ed to be calibra
ration is perfor
ator or configur
sure Sensor B
ure sensor boa
ed as outlined b
ver
rve precautions
ensitive devices
ve is bypassed
ower and air su
cover.
ic board cover
(See figure 15
bbon cable on t
CB assembly. (
screws holding
ing. Lift the me
sor board and s
sure sensor bo
LGENIM0059-
flowse
ns (six wire con
-20 mA analog
nsert the three
r into the thread
ps screwdriver
y to the position
sure to perform
rd
s two pressure
t ports 1 and 2
in the position
In positioners
a is gathered f
a logging. In po
is used for full
erformance, the
ated. The actua
rmed using a H
ration software
oard
rd, refer to figu
below. The fol
s for handling
s.
d or in a safe co
pply to the unit
by removing th
5.)
the pressure se
(See figure 11.
the pressure s
etal stiffener pl
set aside for fut
ard.
-04 09/11
erve.com
nnections
output
retaining
ded boss
r. Do not
ner and
m a
sensors
2. The
er control
s with
for supply
ositioners
on-line
e actuator
ator
HART 375
e such as
ures 11,
lowing
ondition.
t.
he three
ensor
.)
sensor
ate off
ture use.
