30
10 Req
This section p
responsibilitie
(SIL 2) per IEC
10.1 Fail S
The fail safe s
Fail
Safe
full stroke
Output (P
Fail
Safe
95 % of fu
pressure
Note
that
positioner
dependin
the valve
applicatio
10.2 Safet
The Logix 320
the following c
Loss
of
su
Fail
Safe
S
Removal
o
Fail
Safe
S
Disconnec
Fail
Safe
S
The Logix 320
following safet
Analog
inp
Analog
ou
Pilot
Relay
Position
D
Pilot
Relay
For a detailed
7.10,
Logix 32
uirements
provides inform
s in order to m
C 61508 Parts
Safe State
state for the Log
State 1: the sp
e such that Out
Port) 2 is open t
State 2: the sp
ull stroke such
and Output (Po
these represe
r. The valve fa
g on spring co
fail-safe state
on.
ty Function
00MD positione
conditions:
pply pressure (
State 1.
of analog input
State 1.
ction of feedbac
State 1 or 2 (co
00MD positione
ty related cond
put less than ap
tput power less
y Response Ala
eviation Alarm
y Position Limit
description of
200MD Status C
s for Safet
ation and addit
eet Safety Inte
1-3.
gix 3200MD po
pool valve is at
tput (Port) 1 is v
to supply press
pool valve is at
that Output (P
ort) 2 is open to
nt the fail safe
ail safe state ma
nfiguration and
is appropriate
er moves to fail
less than appro
power (less th
ck arm mechan
onfiguration dep
er detects and
ditions:
pproximately 2
s than approxim
arm (user adjus
(user adjustab
t Alarm.
these alarms,
Conditions
.
Use
ty Integrity
tional user
egrity Level 2
ositioner:
less than 5 %
venting and
sure.
greater than
ort) 1 is supply
o venting.
state of the
ay be different
d tubing. Ensu
for your
l-safe state upo
oximately 7 psi)
an 4.0 mA).
nism.
pendent).
annunciates th
.0 mA.
mately 12.5 V.
stable settings
ble settings).
see section
er instructions –
y
of
y
re
on
).
he
).
10.3
A typica
state du
or a sud
respons
subzero
A typica
state du
respons
than 8 i
A typica
state du
or a sud
Howeve
size, str
tubing s
position
moving
capacity
ensure
* Tests
temp
quart
close
10.4
T
The Flo
below w
Analog
as the c
Ana
Ana
Dete
P
s
P
P
Upon d
at less t
long as
Should
will con
The set
Position
occurre
alarm.
level. T
8 secon
– Digital Positio
Fail Safe S
al response tim
ue to a comple
dden command
se time may be
o (F) temperatu
al response tim
ue to linkage p
se time may be
in.)
al response tim
ue to a comple
dden command
er, the respons
roke length, sta
size, supply pre
ner air flow cap
g to a fail-safe p
ty.) Test the fin
it meets your r
s were with a 2
erature 74 °F (
ter inch tubing,
e, 0.75 in. strok
Diagnostic
Time
owserve 3200M
within 1.0 seco
Output to less
condition exists
alog input less t
alog output pow
ection of one o
Pilot Relay Res
settings).
Position Deviat
Pilot Relay Pos
etection of the
than or equal t
s the alarm pers
any of the safe
ntinue to attemp
ttings of the Pil
n Deviation Ala
ence of a physi
Ensure these
The Pilot Relay
nds to generate
oner 3200MD
State Respo
me for the spoo
ete and sudden
d change is les
e slower, possi
ures.)
me for the spoo
in failure is les
e slower with s
me for a valve to
ete and sudden
d change can b
se time will vary
arting position,
essure, and tem
pacity affects th
position. (See
nal valve assem
requirements.
25 in. double ac
(23.3 °C), 60 p
starting at 50
ke, 1.5 in. feedb
Annunciati
MD Positioner w
nd of occurren
s than or equal
s.
than approxim
wer less than a
of the following
sponse Alarm (
tion Alarm (use
sition Limit Alar
alarms, the An
to 3.6 mA for a
sists.
ety related alar
pt to control to
lot Relay Resp
arm affect the t
cal problem an
settings are ad
y Position Limit
e if the spool st
LGENIM0059-
flowse
onse Time
ol to move to a
loss of supply
ss than 50 ms *
ibly up to 1 sec
ol to move to a
s than 200 ms
troke lengths lo
o move to a fa
loss of supply
be less than 15
y widely with a
fail safe direct
mperature. Th
he speed of the
section 4.1 for
mbly response
cting actuator, a
si (4.1 bar) sup
% open, movin
back arm.
ion and Res
will report the c
ce by transition
to 3.6 mA for a
ately 2.0 mA.
pproximately 1
safety related
(user adjustable
er adjustable se
rm.
nalog Output w
t least 5 secon
rms arise, the p
the analog inp
ponse Alarm an
time between th
nd the generati
djusted to an ac
t Alarm can tak
ticks suddenly.
-04 09/11
erve.com
fail safe
y pressure
*. (The
cond with
fail safe
*. (The
onger
il safe
y pressure
50 ms *.
actuator
tion,
he
e valve
r air flow
time to
ambient
pply,
ng to
sponse
conditions
n of the
as long
12.5 V.
alarms:
e
ettings).
will remain
nds or as
positioner
put signal.
nd the
he
on of the
cceptable
ke up to
.
