Dresser Masoneilan SVI II AP User manual

WarrantyWarranty
Items sold by Dresser® are warranted to be free from defects in materials and workmanshipItems sold by Dresser® are warranted to be free from defects in materials and workmanship
for a period of one year for a period of one year
from the date of shipment provided said items are ufrom the date of shipment provided said items are u
sed accordingsed according
to Dresser recommended usages. Dresser, Inc. reserves the right to discontinue manufac-to Dresser recommended usages. Dresser, Inc. reserves the right to discontinue manufac-
ture of any product or change product ture of any product or change product
materials, design or specifications without notice. Thismaterials, design or specifications without notice. This
instruction manual applies to the folinstruction manual applies to the fol
lowing instruments and approved software: SVlowing instruments and approved software: SV
I ® I ®
II APII AP
Positioner and ValVue® software.Positioner and ValVue® software.
The SVI II AP series positioners are warranted The SVI II AP series positioners are warranted
for use only with interface software approvedfor use only with interface software approved
by Dresser Inc. Consult Masoneilan Dresser factory locations for approved software listing.by Dresser Inc. Consult Masoneilan Dresser factory locations for approved software listing.
About this GuideAbout this Guide
This Quick Start Guide applies to the following instruments and This Quick Start Guide applies to the following instruments and
approved software:approved software:
SVI II AP -2 through SVI II AP-3SVI II AP -2 through SVI II AP-3
- with Firmware version 3.1.1- with Firmware version 3.1.1
- with ValVue® version 2.4 or greater- with ValVue® version 2.4 or greater
- with AMS® ValVue® SNAP-ON® version 2.4 or greater- with AMS® ValVue® SNAP-ON® version 2.4 or greater
- with Model HH375 HART® Communicator with DD published for SVI II AP- with Model HH375 HART® Communicator with DD published for SVI II AP
- (Masoneilan Device type 202, 0, 00CA)- (Masoneilan Device type 202, 0, 00CA)
The information in this manual is subject to change without prior The information in this manual is subject to change without prior
notice.notice.
The information contained in this manual, in whole or part, shall not be transcribed or copiedThe information contained in this manual, in whole or part, shall not be transcribed or copied
without Masoneilan’s written permission.without Masoneilan’s written permission.
In no case does this manual guarantee the merchantability of the positioner or the softwareIn no case does this manual guarantee the merchantability of the positioner or the software
or its adaptability to a specific client needs.or its adaptability to a specific client needs.
Please report any errors or Please report any errors or
questions about the information in this manual to your localquestions about the information in this manual to your local
supplier or supplier or
visit www.mvisit www.m
asoneilan.com.asoneilan.com.
CopyrightCopyright
All software is the intellectual property oAll software is the intellectual property o
f Dresser, Inc.f Dresser, Inc.
The complete design and The complete design and
manufacture is the intellectual property of manufacture is the intellectual property of
DresserDresser
, Inc., Inc.
MasoneilanMasoneilan
®®
, FVP, FVP
®®
, SVI, SVI
®®
, and , and
VV
alVuealVue
®®
are registered trademarks are registered trademarks
of Dresserof Dresser
, Inc., Inc.
All information contained herein is believed to be accuraAll information contained herein is believed to be accura
te at the time of publicationte at the time of publication
and is subject to change without notice.and is subject to change without notice.
Copyright 2006 by Dresser, Inc. All rights reserved.Copyright 2006 by Dresser, Inc. All rights reserved.
PN 055201-167 REV BPN 055201-167 REV B

ii
This section provides safety information including safety symbols thatThis section provides safety information including safety symbols that
are used on the SVI II AP and are used on the SVI II AP and
the safety symbol definition.the safety symbol definition.
Important - Please Read Before Installation!Important - Please Read Before Installation!
SafetySafety
SymbolsSymbols
SVI II AP instructions containSVI II AP instructions contain
DANGERDANGER
,,
WARNINGWARNING
, and, and
CAUTIONCAUTION
labels andlabels and
NotesNotes
, where necessary, to alert you to safety related or, where necessary, to alert you to safety related or
other importother import
ant information. ant information.
Read the instructions Read the instructions
carefully beforecarefully before
installing and maintaining your instrument.installing and maintaining your instrument.
DANGERDANGER
andand
WARNINGWARNING
hazards are hazards are
related to personal injury.related to personal injury.
CAUTIONCAUTION
hazards involvehazards involve
equipment or property damequipment or property dam
age. age.
Operation of damaged equipmOperation of damaged equipm
ent can,ent can,
under certain operational conditions, result in degraded processunder certain operational conditions, result in degraded process
system performance that can lead to injury or death. system performance that can lead to injury or death.
TT
otal complianceotal compliance
with allwith all
DANGERDANGER
,,
WARNINGWARNING
, and, and
CAUTIONCAUTION
notices is required fornotices is required for
safe operation.safe operation.
This is the safety alert symbol. It alerts you to potential personal injuryThis is the safety alert symbol. It alerts you to potential personal injury
hazards. Obey all safety messages that follow this shazards. Obey all safety messages that follow this s
ymbol to avoidymbol to avoid
possible injury or death.possible injury or death.
Indicates a potentially hazardous situation, which if not avoided Indicates a potentially hazardous situation, which if not avoided
couldcould
result in death result in death
or serious injury.or serious injury.
Indicates a potentially hazardous situation, which if not avoided Indicates a potentially hazardous situation, which if not avoided
couldcould
result in result in
serious injury.serious injury.
Indicates a potentially hazardous situation, which if not avoided Indicates a potentially hazardous situation, which if not avoided
couldcould
result in minor or result in minor or
moderate injurymoderate injury
..
SS
afety afety
II
nformnform
ationation

MM
aa
ss
oo
nn
ee
ii
ll
aa
n n
DD
rr
ee
ss
ss
ee
rr
SS
VV
I I
II
I I
AA
P P
QQ
uu
ii
cc
k k
SS
tt
aa
rr
t t
GG
uu
ii
dd
ee
iiii
When used without the safety alert symbol When used without the safety alert symbol
indicates a potentiallyindicates a potentially
hazardous situation, hazardous situation,
which if not which if not
avoided could result avoided could result
in propertyin property
damage.damage.
Note:Note:
Indicates important facts and conditions.Indicates important facts and conditions.
SVI II APSVI II AP
ProductProduct
SafetySafety
The SVI II AP positioner is intended for use with industrial compressedThe SVI II AP positioner is intended for use with industrial compressed
air orair or
, natural gas systems only, natural gas systems only
. .
Ensure that an adequate pressurEnsure that an adequate pressur
ee
relief provision is installed when the application of system supplyrelief provision is installed when the application of system supply
pressure could cause peripheral pressure could cause peripheral
equipment to mequipment to m
alfunction. alfunction.
InstallationInstallation
must be in accordance with local and must be in accordance with local and
national compressed air andnational compressed air and
instrumentation codes.instrumentation codes.
Products certified as explosion proof or flame proof equipment or forProducts certified as explosion proof or flame proof equipment or for
use in intrinsically use in intrinsically
safe installationssafe installations
MUST BEMUST BE
::

Installed, put into service, used and maintained inInstalled, put into service, used and maintained in
compliance with national and local regulations andcompliance with national and local regulations and
in accordance with the recommendations containedin accordance with the recommendations contained
in the relevant standards concerning potentiallyin the relevant standards concerning potentially
explosive atmospheres.explosive atmospheres.

Used only in situations that comply with the ceUsed only in situations that comply with the ce
rtifi-rtifi-
cation conditions shown in this document and aftercation conditions shown in this document and after
verification of their compatibility with the zone ofverification of their compatibility with the zone of
intended use and the permitted maximum ambientintended use and the permitted maximum ambient
temperaturetemperature

Installed, put into service and maintained by quali-Installed, put into service and maintained by quali-
fied and competent professionals who have under-fied and competent professionals who have under-
gone suitable training for instrumentation used ingone suitable training for instrumentation used in
areas with potentially explosive atmospheres.areas with potentially explosive atmospheres.
Before using these products with fluids other than air or Before using these products with fluids other than air or
for non-for non-
industrial applications, industrial applications,
consult Dresserconsult Dresser
, Inc. , Inc.
This product is notThis product is not
intended for use in life support systems.intended for use in life support systems.
Under certain operating conditions, the Under certain operating conditions, the
use of damaged use of damaged
instrumentsinstruments
could cause a degradation of the performance of could cause a degradation of the performance of
the system which maythe system which may
lead to personal injury or death.lead to personal injury or death.
Use only genuine replacement parts which are provided by Use only genuine replacement parts which are provided by
thethe
manufacturermanufacturer
, to guarantee that the , to guarantee that the
products comply with the essentialproducts comply with the essential
safety requirements of the European Directives mentioned on safety requirements of the European Directives mentioned on
the frontthe front
cover.cover.

Changes to specifications, structure, and compo-Changes to specifications, structure, and compo-
nents used may not lead to the revision nents used may not lead to the revision
of this man-of this man-
ual unless such changes ual unless such changes
affect the function andaffect the function and
performance of the product.performance of the product.

iiiiii
ContentsContents
SafetSafet
y Informaty Informat
ionion
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ii
Safety Symbols . . . . . . . . . . . . . . . . . Safety Symbols . . . . . . . . . . . . . . . . .
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ii
SVI II AP PrSVI II AP Pr
oduct Safetyoduct Safety
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iiii
SeSe
ctct
ion ion
11
InIn
stst
alal
lala
titi
on on
and and
SeSe
t Ut U
p p
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11
IntroductionIntroduction
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11
Using the QUsing the Q
uick Stuick St
art Guideart Guide
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22
Mounting tMounting t
he SVI II he SVI II
AP AP
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33
Necessary PreNecessary Pre
cautions . . . . . . . . . . . . . . cautions . . . . . . . . . . . . . .
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44
InstaInsta
lling the lling the
SVI II SVI II
AP Remote AP Remote
Position SPosition S
ensor ensor
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44
Installation PInstallation P
rocedure rocedure
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55
Connecting Connecting
the Tthe T
ubing anubing an
d Air Supd Air Sup
plyply
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77
Single Acting PositSingle Acting Posit
ioner . . . . . . . . . . . . ioner . . . . . . . . . . . .
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88
Double Acting PositiDouble Acting Positi
oner oner
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99
Connecting the AiConnecting the Ai
r Supply r Supply
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99
Wiring the Wiring the
SVI II APSVI II AP
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1010
Connecting to the Connecting to the
Control Loop . . . . . . . . . . . . . . . . . . . . . . Control Loop . . . . . . . . . . . . . . . . . . . . . .
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1010
Wiring GuidelinWiring Guidelin
es es
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1010
SVI II AP SetupSVI II AP Setup
s s
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11
Grounding PraGrounding Pra
ctices ctices
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1212
Compliance Compliance
VV
oltage oltage
in Single in Single
Drop CurrenDrop Curren
t Mode t Mode
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1212
VV
erify Wiring erify Wiring
and Conand Con
nections nections
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1212

MM
aa
ss
oo
nn
ee
ii
ll
aa
n n
DD
rr
ee
ss
ss
ee
rr
SS
VV
I I
II
I I
AA
P P
QQ
uu
ii
cc
k k
SS
tt
aa
rr
t t
GG
uu
ii
dd
ee
iviv
SVI II AP MSVI II AP M
aintenanceaintenance
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1414
Repair Repair
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1414
TT
ools Needed for Cover Replaools Needed for Cover Repla
cement . . cement . .
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1414
Display CoveDisplay Cove
r Removal r Removal
and Instaand Insta
llation llation
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1515
Removing the SRemoving the S
VI II AP Display VI II AP Display
Cover . . . . . . . . . . . . Cover . . . . . . . . . . . .
. . . . . . . . . . .. . . . . . . . . . .
1515
Installing Installing
the SVI II AP Dispthe SVI II AP Disp
lay Cover . . . . . . . . . . . . . lay Cover . . . . . . . . . . . . .
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1515
SeSe
ctct
ioio
n n
22
ChCh
ecec
k k
OutOut
, ,
CoCo
nfnf
igig
uraura
titi
on on
and and
CaCa
lili
brabra
titi
on on
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..
1717
Overview. . . . . . . . . . . . . . . Overview. . . . . . . . . . . . . . .
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1717
Check Out Check Out
Procedures Procedures
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1717
Physical InspPhysical Insp
ection ection
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1717
ActuatorActuator
, Linkages, , Linkages,
or Rotaror Rotar
y Adapter y Adapter
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1717
VV
erify Mounting erify Mounting
and Linkagand Linkag
e Adjustment e Adjustment
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1818
Checking the Checking the
Magnet Magnet
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1818
Performing a Performing a
Visual InsVisual Ins
pection pection
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1818
Using VUsing V
alValV
ue 2.4 to Check Mue 2.4 to Check M
agnet Position agnet Position
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1919
Checking the Checking the
Air Supply Air Supply
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2020
Checking the Checking the
Electronic MoElectronic Mo
dule Connedule Conne
ctions ctions
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2020
Making ConnecMaking Connec
tions to the Ttions to the T
erminal Board erminal Board
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2222
Operational Operational
CheckoutCheckout
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2222
Connecting to tConnecting to t
he Current Source he Current Source
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2222
Pushbutton LockPushbutton Lock
s and Configuras and Configura
tion-Lock Jumper tion-Lock Jumper
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2323
Hardware ConHardware Con
figuration Lock figuration Lock
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2323
Powering Up Powering Up
the SVI the SVI
II AP II AP
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2323
ConfigurationConfiguration
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2424
VV
alValV
ue 2.4 Sofue 2.4 Sof
tware tware
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2424
VV
alValV
ue 2.4 Lite ue 2.4 Lite
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2424
System ReqSystem Req
uirements uirements
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2525
VV
alValV
ue 2.4 Full Tue 2.4 Full T
rial Vrial V
ersion ersion
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2525
Pushbuttons anPushbuttons an
d Local Display d Local Display
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2525
Pushbuttons . . . . . . . . . . . . . . . . . . . Pushbuttons . . . . . . . . . . . . . . . . . . .
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2626
Configuration witConfiguration wit
h Pushbuttons h Pushbuttons
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2727
Viewing Viewing
Configuration Configuration
Data Data
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2727
Viewing Viewing
SS
tatus Metatus Me
ssages ssages
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. . . . . . . . . .
. . . . . . . . . .
. . . . . . . .
. .. .
2727
VIEW DAVIEW DA
TT
A Settings A Settings
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . .. . . . . . . . .
2828

vv
Calibration Calibration
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . .
. . . . . .
2828
Auto TAuto T
une une
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .. . . . . . . . . . . . . . .
2929
ChecChec
k-ouk-ou
t with a HAt with a HA
RT HanRT Han
dheld Cdheld C
ommuommu
nicatnicat
oror
. . . . . . . . . . . . . . . . . .
. . . . . . .. . . . . . .
3131
AA
pppp
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didi
x x
AA
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cc
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s s
. .
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. .
. .
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. .
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. .
. .
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AA
--
11
Physical Physical
and Opeand Ope
rational Srational S
pecifications pecifications
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . .
A-1A-1
Hazardous LHazardous L
ocation Inocation In
stallatistallati
on on
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
A-7A-7

11
11
II
nstallation and Snstallation and S
et Upet Up
IntroductionIntroduction
The SVIThe SVI
®®
II AP (Smart ValII AP (Smart Val
ve Interface) is ve Interface) is
the next generation ofthe next generation of
Masoneilan’s intelliMasoneilan’s intelli
gent digital valve positgent digital valve posit
ioners. ioners.
The SVI II AP The SVI II AP
is ais a
compact, industrial tough, high performance, digital valve positionercompact, industrial tough, high performance, digital valve positioner
that combines a local display with remote communication andthat combines a local display with remote communication and
diagnostic capabilities. diagnostic capabilities.
The SVI II The SVI II
AP is AP is
available with every available with every
optionoption
needed to fulfill all application requirements and communicates usingneeded to fulfill all application requirements and communicates using
the HART® the HART®
protocol. protocol.
The SVI IThe SVI I
I AP ofI AP of
fers:fers:

Extreme AccuracyExtreme Accuracy

Extreme ReliabilityExtreme Reliability

Extreme Digital PrecisionExtreme Digital Precision

Automated Valve CommissioningAutomated Valve Commissioning

Precise, Quick, Responsive CoPrecise, Quick, Responsive Co
ntrol of Vntrol of V
alvealve
PositionPosition

Sophisticated Valve DiagnosticsSophisticated Valve Diagnostics
FF
ii
gg
uu
rr
e e
11
SS
VV
I I
II
I I
AA
P P 

SVI II AP CoverSVI II AP Cover
SVI II AP AssembledSVI II AP Assembled
ElectronicsElectronics
ModuleModule
Pneumatic Train andPneumatic Train and
Cover (I/P Module, Relay)Cover (I/P Module, Relay)
ManifoldManifold
RelayRelay
I/PI/P
MM
aa
ss
oo
nn
ee
ii
ll
aa
n n
DD
rr
ee
ss
ss
ee
rr
SS
VV
I I
II
I I
AA
P P
QQ
uu
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cc
k k
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tt
aa
rr
t t
GG
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dd
ee
22
FF
ii
gg
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22
SS
VV
I I
II
I I
AA
P P
CC
oo
mm
pp
oo
nn
ee
nn
tt
ss
Using theUsing the
Quick StartQuick Start
GuideGuide
The SVI II AP Quick The SVI II AP Quick
SS
tart Guide is intended to tart Guide is intended to
help an experiencedhelp an experienced
Field Engineer install, setup, and calibrate an Field Engineer install, setup, and calibrate an
SVI in the most SVI in the most
efficientefficient
manner possible. manner possible.
This document pThis document p
rovides basic installrovides basic install
ation and setupation and setup
instructions and is not intended to replace the instructions and is not intended to replace the
in-depth informationin-depth information
containecontaine
d in d in
the SVI the SVI
II AP II AP
InstrucInstruc
tion Manual EW2002-APtion Manual EW2002-AP
. .
If youIf you
experience problems that are not documented in this guide refer experience problems that are not documented in this guide refer
to theto the
Masoneilan SVI II AP Masoneilan SVI II AP
Instruction Manual EW2002-APInstruction Manual EW2002-AP
, call , call
your localyour local
Masoneilan representative, or go Masoneilan representative, or go
to www.masoneilto www.masoneil
an.com. Salesan.com. Sales
offices are listed on the last page of this documentoffices are listed on the last page of this document
The steps necessary to complete the The steps necessary to complete the
SVI II AP installation and softwareSVI II AP installation and software
setup are outlined in Table 1 below.setup are outlined in Table 1 below.
TT
able able
1 1
SVI SVI
II II
AP AP
InstallatiInstallati
on on
StepsSteps
SS
tt
ee
p p
NN
oo
..
PP
rr
oo
cc
ee
dd
uu
rr
ee
RR
ee
ff
ee
rr
ee
nn
cc
ee
11
AA
tt
tt
aa
cc
h h
mm
oo
uu
nn
tt
ii
nn
g g
bb
rr
aa
cc
kk
ee
t t
tt
o o
tt
hh
ee
actuator.actuator.
SeeSee
page 3page 3
for rotary valve andfor rotary valve and
reciprocating valve instructions.reciprocating valve instructions.
22
II
nn
ss
tt
aa
ll
l l
tt
hh
e e
SS
VV
I I
II
I I
AA
P P
mm
aa
gg
nn
ee
tt
ii
cc
assembly (rotary valves only).assembly (rotary valves only).
SeeSee
page 3page 3
for instructions.for instructions.
33
AA
ss
ss
ee
mm
bb
ll
e e
tt
hh
e e
SS
VV
I I
II
I I
AA
P P
oo
n n
tt
hh
ee
bracket that is mounted to the valvebracket that is mounted to the valve
actuator.actuator.
SeeSee
page 3page 3
for rotary valve andfor rotary valve and
reciprocating valve instructions.reciprocating valve instructions.

II
nn
ss
tt
aa
ll
ll
aa
tt
ii
oo
n n
aa
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ee
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I I
II
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PP
33
Failure to adhere to the Failure to adhere to the
requirements listrequirements list
ed in ed in
this manual may causethis manual may cause
loss of loss of
life and property.life and property.
Before installing, using, or carrying out any maintenance tasksBefore installing, using, or carrying out any maintenance tasks
associated with this instrument,associated with this instrument,
READ THE INSTRUCTIONSREAD THE INSTRUCTIONS
CAREFULLYCAREFULLY
. .
(Refer (Refer
toto
“Hazardous Location Installation” on“Hazardous Location Installation” on
page A-7page A-7
of this guide for of this guide for
detailed instructions.)detailed instructions.)
Mounting theMounting the
SVI II APSVI II AP
This guide provides installation instructions for mounting an SVI II APThis guide provides installation instructions for mounting an SVI II AP
on both roton both rot
ary and reciprocating ary and reciprocating
actuated valves. actuated valves.
The mountingThe mounting
process can be broken down process can be broken down
into the following:into the following:

Attach the mounting bracket to Attach the mounting bracket to
the actuator.the actuator.

Install the magnetic assembly.Install the magnetic assembly.

Assemble the SVI II AP on the mounting bracket.Assemble the SVI II AP on the mounting bracket.
Note:Note:
The SVI II AP should be mounted with the conduit connectionsThe SVI II AP should be mounted with the conduit connections
down in order to down in order to
facilitate drainage of condensate from the con-facilitate drainage of condensate from the con-
duit.duit.
44
II
nn
ss
tt
aa
ll
l l
tt
hh
e e
RR
ee
mm
oo
tt
e e
MM
oo
uu
nn
tt
, ,
ii
ff
necessary.necessary.
SeeSee
page 4page 4
for instructions.for instructions.
55
CC
oo
nn
nn
ee
cc
t t
tt
hh
e e
pp
nn
ee
uu
mm
aa
tt
ii
c c
tt
uu
bb
ii
nn
g g
tt
o o
tt
hh
ee
SVI II AP.SVI II AP.
SeeSee
page 7page 7
for instructions.for instructions.
66
CC
oo
nn
nn
ee
cc
t t
tt
hh
e e
aa
ii
r r
ss
uu
pp
pp
ll
y y
tt
o o
tt
hh
e e
SS
VV
I I
II
II
APAP
..
SeeSee
page 9page 9
for instructions.for instructions.
77
CC
oo
nn
nn
ee
cc
t t
tt
hh
e e
pp
oo
ss
ii
tt
ii
oo
nn
ee
r r
tt
o o
tt
hh
e e
HH
AA
RR
TT
Control Loop segment by installingControl Loop segment by installing
the SVI II AP wiring.the SVI II AP wiring.
SeeSee
page 10page 10
for instructions.for instructions.
88
CC
oo
nn
ff
ii
gg
uu
rr
ee
//
cc
aa
ll
ii
bb
rr
aa
tt
e e
uu
ss
ii
nn
g g
VV
aa
ll
VV
uu
ee
..
22
..
44
SS
ee
ee
page 24page 24
andand
page 28page 28
forfor
instructionsinstructions
Configure/calibrate using a HARTConfigure/calibrate using a HART
Hand Held CommunicatorHand Held Communicator
SeeSee
page 31page 31
for instructions.for instructions.
TT
able able
1 1
SVI SVI
II II
AP AP
InstallatiInstallati
on on
StepsSteps
SS
tt
ee
p p
NN
oo
..
PP
rr
oo
cc
ee
dd
uu
rr
ee
RR
ee
ff
ee
rr
ee
nn
cc
ee

MM
aa
ss
oo
nn
ee
ii
ll
aa
n n
DD
rr
ee
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ss
ee
rr
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II
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AA
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rr
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ee
44
Necessary PrecautionsNecessary Precautions
TT
o avoid injury o avoid injury
or the process or the process
being affected when installing orbeing affected when installing or
replacing a positioner on a conreplacing a positioner on a con
trol valve, ensure that:trol valve, ensure that:

If the valve is located in a hazardous area makeIf the valve is located in a hazardous area make
sure the area has been sure the area has been
certified as “safe” or that allcertified as “safe” or that all
electrical power to the area has electrical power to the area has
been disconnectedbeen disconnected
before removing any covers or disconnecting anybefore removing any covers or disconnecting any
leads.leads.

Shut off air supply to the actuator and to any Shut off air supply to the actuator and to any
valvevalve
mounted equipment.mounted equipment.

Ensure the valve is isolated from the Ensure the valve is isolated from the
process byprocess by
either shutting off the process or using bypasseither shutting off the process or using bypass
valves for isolation. Tvalves for isolation. T
ag shutoff or bypass valves ag shutoff or bypass valves
toto
guard against a “turn-on” while work is in progress.guard against a “turn-on” while work is in progress.

Bleed air from actuator and check Bleed air from actuator and check
that valve is in that valve is in
itsits
unenergized position.unenergized position.
It is now safe to disconnect and remove any valve mounted equipmentIt is now safe to disconnect and remove any valve mounted equipment
that is being replaced.that is being replaced.
For the procedure to mount rotary and reciprocating valves, refer to theFor the procedure to mount rotary and reciprocating valves, refer to the
Mounting Instructions contained in the valve’s Mounting Box Mounting Instructions contained in the valve’s Mounting Box
kit.kit.
Installing theInstalling the
SVI II APSVI II AP
RemoteRemote
PositionPosition
SensorSensor
An option that is available for the SVI II AP is An option that is available for the SVI II AP is
the Remote Positionthe Remote Position
SensorSensor
. .
The Remote Position The Remote Position
SensorSensor
, is a remotely m, is a remotely m
ounted position-ounted position-
sensing device, that is connected electrically to an sensing device, that is connected electrically to an
SVI II AP valveSVI II AP valve
positionerpositioner
. .
It is used as It is used as
position feedback in position feedback in
applications where dapplications where d
irectirect
mounting of an SVI II AP to a valve actuator mounting of an SVI II AP to a valve actuator
is not practical due,is not practical due,
typically but not limited to, extreme vibration, heat or radiation.typically but not limited to, extreme vibration, heat or radiation.
The Remote Position Sensor is a potentiometer located in an enclosureThe Remote Position Sensor is a potentiometer located in an enclosure
which can be mounted on a which can be mounted on a
valve or damper to indicate stem positionvalve or damper to indicate stem position
when connected to a suitwhen connected to a suit
able receiverable receiver
. .
There is a three wire conThere is a three wire con
nectionnection
provided on a screw terminal block provided on a screw terminal block
to interconnect to the receivingto interconnect to the receiving
device.device.
The SVI II AP Remote The SVI II AP Remote
Position Sensor is suitable for installationPosition Sensor is suitable for installation
outdoors in outdoors in
an industrial environmenan industrial environmen
t. t.
Mounting kitMounting kit
s are provided tos are provided to
permit mounting on a variety of valves.permit mounting on a variety of valves.
Do not remove the instrument cover or Do not remove the instrument cover or
connect to an electrical circuit inconnect to an electrical circuit in
a Hazardous Area unless the power a Hazardous Area unless the power
is disconnected.is disconnected.

II
nn
ss
tt
aa
ll
ll
aa
tt
ii
oo
n n
aa
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ee
t t
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pp
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nn
ss
tt
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ll
ll
ii
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tt
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VV
I I
II
I I
AA
P P
RR
ee
mm
oo
tt
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PP
oo
ss
ii
tt
ii
oo
n n
SS
ee
nn
ss
oo
rr
55

Comply with current national and local regulationsComply with current national and local regulations
for electrical installation work.for electrical installation work.

Comply with national and local explosiveComply with national and local explosive
atmosphere regulations.atmosphere regulations.

Before carrying out any work on Before carrying out any work on
the device, powerthe device, power
off the instrument or make sure that the localeoff the instrument or make sure that the locale
conditions for potentially explosive atmosphereconditions for potentially explosive atmosphere
permit the safe opening permit the safe opening
of the cover.of the cover.
Installation ProcedureInstallation Procedure
For the Remote Position Sensor installation procedure refer to theFor the Remote Position Sensor installation procedure refer to the
mounting instructions provided with the mounting instructions provided with the
Remote Position SensorRemote Position Sensor
..
1.1.
Remove the cover from the Remote Position SensorRemove the cover from the Remote Position Sensor
assembly by turning the cover in a counter-clockwise (fac-assembly by turning the cover in a counter-clockwise (fac-
ing the cover) direction.ing the cover) direction.
2.2.
Connect the Remote Position Sensor to the mountingConnect the Remote Position Sensor to the mounting
bracket by inserting four M6 x bracket by inserting four M6 x
20 mm Socket Head Cap20 mm Socket Head Cap
Screws through the appropriate screws holes (accordingScrews through the appropriate screws holes (according
to the valve) on the Remote Position Sensor brackto the valve) on the Remote Position Sensor brack
et andet and
using a 3using a 3
⁄⁄
16 inch Hex Key with tee handle.16 inch Hex Key with tee handle.
3.3.
Route the instrument cable from the SVI II AP to theRoute the instrument cable from the SVI II AP to the
Remote Position Sensor (seeRemote Position Sensor (see
Figure 3 on page 6Figure 3 on page 6
forfor
installation instructions).installation instructions).
4.4.
Thread the cable through the conduit at the Thread the cable through the conduit at the
bottom of thebottom of the
Remote Position Remote Position
SensorSensor
..
5.5.
Using a blade screwdriver, loosen the screws on theUsing a blade screwdriver, loosen the screws on the
terminal block and connect the black, brown and red wiresterminal block and connect the black, brown and red wires
to the appropriate labelled connectors.to the appropriate labelled connectors.
6.6.
Tighten the screws.Tighten the screws.
7.7.
Attach the feedback lever to the Remote Position SensorAttach the feedback lever to the Remote Position Sensor
shaft. shaft.
From the cover side, From the cover side,
the lever should be poithe lever should be poi
nting tonting to
the left for reciprocating valves and to the right the left for reciprocating valves and to the right
for rotaryfor rotary
valves.valves.
8.8.
Place the Remote Position Sensor on the mountingPlace the Remote Position Sensor on the mounting
bracket.bracket.
9.9.
Attach the Remote Position Sensor and secure theAttach the Remote Position Sensor and secure the
turnbuckle to the lever ensuring that the shaft at the rear ofturnbuckle to the lever ensuring that the shaft at the rear of
the Remote Position Sensor is inserted into the valvethe Remote Position Sensor is inserted into the valve
actuator. actuator.
(Refer (Refer
toto
Table 2 “Remote Position SensorTable 2 “Remote Position Sensor
Turnbuckle Length”Turnbuckle Length”
below for turnbuckle length.)below for turnbuckle length.)
10.10.
Replace the Remote Position Sensor Replace the Remote Position Sensor
cover.cover.
TT
able able
2 2
Remote Remote
Position Position
Sensor Sensor
TT
urnbuckle Lengthurnbuckle Length
AA
cc
tt
uu
aa
tt
oo
r r
SS
ii
zz
ee
SS
tt
rr
oo
kk
e e
TT
uu
rr
nn
bb
uu
cc
kk
ll
e e
LL
ee
nn
gg
tt
hh
6 6
aa
nn
d d
11
00
00
..
5 5
- -
00
..
8 8
ii
nn
cc
hh
11
..
22
5 5
ii
nn
cc
hh
11
00
00
..
5 5
- -
00
..
8 8
ii
nn
cc
hh
11
..
22
5 5
ii
nn
cc
hh

MM
aa
ss
oo
nn
ee
ii
ll
aa
n n
DD
rr
ee
ss
ss
ee
rr
SS
VV
I I
II
I I
AA
P P
QQ
uu
ii
cc
k k
SS
tt
aa
rr
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GG
uu
ii
dd
ee
66
Figure 3Figure 3
SVI II AP SVI II AP
Remote Position Sensor InstallationRemote Position Sensor Installation
11
00
>>
00
..
8 8
– –
11
..
5 5
ii
nn
cc
hh
11
..
22
5 5
ii
nn
cc
hh
11
66
00
..
5 5
- -
00
..
8 8
ii
nn
cc
hh
22
..
99
0 0
ii
nn
cc
hh
11
66
>>
00
..
8 8
– –
11
..
5 5
ii
nn
cc
hh
22
..
99
0 0
ii
nn
cc
hh
11
66
>>
11
..
5 5
– –
22
..
5 5
ii
nn
cc
hh
22
..
99
0 0
ii
nn
cc
hh
22
33
00
..
5 5
- -
00
..
8 8
ii
nn
cc
hh
55
..
22
5 5
ii
nn
cc
hh
22
33
>>
00
..
8 8
– –
11
..
5 5
ii
nn
cc
hh
55
..
22
5 5
ii
nn
cc
hh
22
33
>>
11
..
5 5
– –
22
..
5 5
ii
nn
cc
hh
55
..
22
5 5
ii
nn
cc
hh
Step 1Step 1
Connect Drain WireConnect Drain Wire
to Open Terminalto Open Terminal
Step 2Step 2
When connecting cable toWhen connecting cable to
Remote Position Sensor make sure wireRemote Position Sensor make sure wire
colors match:colors match:
- Red to Red- Red to Red
- Brown to Brown- Brown to Brown
- Black to Black- Black to Black
Step 3Step 3
Insert Ferrules into “Remote”Insert Ferrules into “Remote”
TeTe
rminal Block according rminal Block according
toto
Wire Wire
Color Color
SVI SVI
II II
AP AP
TT
erminal erminal
Number Number
FunctionFunction
RedRed
BrownBrown
BlackBlack
11
22
33
PositivePositive
SignalSignal
GroundGround
the chthe ch
art art
at at
the rthe r
ight:ight:
Remote Terminal BlockRemote Terminal Block
11
22
33
TT
able able
2 2
Remote Remote
Position Position
Sensor Sensor
TT
urnbuckle Lengthurnbuckle Length
AA
cc
tt
uu
aa
tt
oo
r r
SS
ii
zz
ee
SS
tt
rr
oo
kk
e e
TT
uu
rr
nn
bb
uu
cc
kk
ll
e e
LL
ee
nn
gg
tt
hh

II
nn
ss
tt
aa
ll
ll
aa
tt
ii
oo
n n
aa
nn
d d
SS
ee
t t
UU
pp
CC
oo
nn
nn
ee
cc
tt
ii
nn
g g
tt
hh
e e
TT
uu
bb
ii
nn
g g
aa
nn
d d
AA
ii
r r
SS
uu
pp
pp
ll
yy
77
ConnectingConnecting
the Tubingthe Tubing
and Airand Air
SupplySupply
The last step in hardware installation for the SVI II AP is to connect theThe last step in hardware installation for the SVI II AP is to connect the
air supply to air supply to
the positionerthe positioner
. .
This section describes This section describes
the process forthe process for
connecting the tubing and air supply to connecting the tubing and air supply to
a single and double actinga single and double acting
positioner.positioner.
Isolate the valve from the process and Isolate the valve from the process and
disconnect air tubing from thedisconnect air tubing from the
positionerpositioner
. .
Disconnect air fuDisconnect air fu
lly to avoid illy to avoid i
njury or process damage.njury or process damage.
1.1.
Install the pneumatic tubing using a regulated, clean,Install the pneumatic tubing using a regulated, clean,
instrument air supply to the air supply pinstrument air supply to the air supply p
ort (ort (
SS
←←
))
2.2.
For a single acting actuator - For a single acting actuator -
pipe the outbound air frompipe the outbound air from
the output pressure port (the output pressure port (
←←
II
))
to the valve actuator.to the valve actuator.
3.3.
For a double acting actuator - For a double acting actuator -
pipe the air going out ofpipe the air going out of
each side of valve aeach side of valve a
ctuatorctuator
. Use both output pressure . Use both output pressure
portport
one (one (
←←
II
) for one side of the actuator and output pressure) for one side of the actuator and output pressure
port two (port two (
←←
II
II
) for the other side of ) for the other side of
the actuatorthe actuator
..
4.4.
Connect air supply and actuator outports (1Connect air supply and actuator outports (1
⁄⁄
4 inch NPT)4 inch NPT)

Supply pressure for single acting SVI II AP:Supply pressure for single acting SVI II AP:
20 -100 psi (1.4 - 6.9 bar) 20 -100 psi (1.4 - 6.9 bar)
(138 - 690 kPa)(138 - 690 kPa)

Supply pressure for double acting SVI II AP:Supply pressure for double acting SVI II AP:
20 - 150 psi (1.4 - 10.4 bar) (138 - 1035 kPa)20 - 150 psi (1.4 - 10.4 bar) (138 - 1035 kPa)

Minimum tubing diameter 1Minimum tubing diameter 1
⁄⁄
4 inch (6mmx4mm)4 inch (6mmx4mm)
Note:Note:
The SVI II AP Digital Positioner is designed to operate withThe SVI II AP Digital Positioner is designed to operate with
clean, dry, oil-free, instrument grade air to clean, dry, oil-free, instrument grade air to
ANSI-ISA-57.3 1975ANSI-ISA-57.3 1975
(R1981) or ISA-S7.3-1975 (R1981) or with a sweet natural gas(R1981) or ISA-S7.3-1975 (R1981) or with a sweet natural gas
supply (SVI II AP models SVI II supply (SVI II AP models SVI II
AP-2 through SVI II AP-2 through SVI II
AP-5).AP-5).
Table 3Table 3
Dew Dew
Point Point
At At
least least
18° 18°
F F
(10° (10°
C) C)
below below
minimum minimum
anticipateanticipate
d d
ambientambient
temperaturetemperature
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Air Supply RequirementsAir Supply Requirements

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88
Single Acting PositionerSingle Acting Positioner
The supply and The supply and
output connections for output connections for
the SVI II APthe SVI II AP
, located on , located on
bottombottom
of the pneumatic block, are tapped 1of the pneumatic block, are tapped 1
⁄⁄
4 inch NPT4 inch NPT
. .
Output is toward theOutput is toward the
front, supply is front, supply is
toward the back. toward the back.
TT
wo pressure gauges, output wo pressure gauges, output
on top,on top,
supply on bottom, are located on the front of supply on bottom, are located on the front of
the pneumatic block.the pneumatic block.
Maximum allowable air supply pressure to the SVI II AP variesMaximum allowable air supply pressure to the SVI II AP varies
according to actuatoraccording to actuator
, valve size, , valve size,
and valve type. and valve type.
See Pressure DropSee Pressure Drop
tables in valve specification sheets to determine the correct positionertables in valve specification sheets to determine the correct positioner
supply pressure. supply pressure.
Minimum supply pressure should Minimum supply pressure should
be 5 to 10 psi abovebe 5 to 10 psi above
maximum spring pressure but may not exceed maximum spring pressure but may not exceed
the rated actuatorthe rated actuator
pressure.pressure.
OutputOutput
SupplySupply
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erer

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99
Double Acting PositionerDouble Acting Positioner
Connect Output 1, labeled “(Connect Output 1, labeled “(
←←
II
)” to the inlet port of the actuator and)” to the inlet port of the actuator and
connect Output 2 labeled “(connect Output 2 labeled “(
←←
II
II
)” to the opposing actuator port (see)” to the opposing actuator port (see
Figure 5Figure 5
below for double acting ports.below for double acting ports.
OutputOutput
II
ConnectorConnector
SupplySupply
ConnectorConnector
ConnectorConnector
OutputOutput
II
II
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rr
Connecting the Air SupplyConnecting the Air Supply
After the tubing is installed, use the following procedure After the tubing is installed, use the following procedure
to connect theto connect the
air supply.air supply.
1.1.
Connect a supply of clean, dry Connect a supply of clean, dry
compressed air to the filtercompressed air to the filter
regulator.regulator.
2.2.
Turn on the air supply.Turn on the air supply.
3.3.
Adjust the Adjust the
filter regulator.filter regulator.
4.4.
Supply pressure must be 5 - Supply pressure must be 5 -
10 psi greater than the spring10 psi greater than the spring
range of the actuator but may not exceed range of the actuator but may not exceed
the ratedthe rated
actuator pressure. actuator pressure.
Refer to Refer to
the valve or the valve or
actuatoractuator
instruction manual.instruction manual.

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1010
Wiring theWiring the
SVI II APSVI II AP
In order for the In order for the
SVI II AP to communicate the positioner data the SVI IISVI II AP to communicate the positioner data the SVI II
AP must AP must
be physically connected be physically connected
to a HARto a HAR
T communication. T communication.
TheThe
procedure below outlines wiring the SVI II AP.procedure below outlines wiring the SVI II AP.

Comply with current national and local regulationsComply with current national and local regulations
for electrical installation work.for electrical installation work.

Comply with national and local explosiveComply with national and local explosive
atmosphere regulations.atmosphere regulations.

Before carrying out any work Before carrying out any work
on the device, poweron the device, power
off the instrument or make sure that the localeoff the instrument or make sure that the locale
conditions for potentially explosive atmosphereconditions for potentially explosive atmosphere
permit the safe opening permit the safe opening
of the cover.of the cover.
Connecting to the Control LoopConnecting to the Control Loop
The SVI positionerThe SVI positioner
MUST BEMUST BE
grounded according to local regulations.grounded according to local regulations.
It is important to maintain correct polarity at all times, otherwise theIt is important to maintain correct polarity at all times, otherwise the
positioner may not operate properlypositioner may not operate properly
. .
The SVI II AP should be physicallyThe SVI II AP should be physically
connected to the HART loop using a cable specified by connected to the HART loop using a cable specified by
the HARTthe HART
Communication FCommunication F
oundation. oundation.
A shielded A shielded
cable is recocable is reco
mmended.mmended.
To connect the Control Loop to the SVI II AP:To connect the Control Loop to the SVI II AP:
1.1.
Connect one end of the cable to Connect one end of the cable to
the control loop'sthe control loop's
4 - 20mA output4 - 20mA output
2.2.
Remove the threaded wiring Remove the threaded wiring
covers on the covers on the
positionerpositioner
..
3.3.
Connect the other end of the cable to the SVI II AP. ThereConnect the other end of the cable to the SVI II AP. There
are two threaded are two threaded
openings on the positioner. Use theopenings on the positioner. Use the
opening with the red plastic insert.opening with the red plastic insert.
4.4.
Maintain polarity + and Maintain polarity + and
- respectively.- respectively.
Wiring GuidelinesWiring Guidelines
This list contains eight guidelines for a successful This list contains eight guidelines for a successful
implementatimplementat
ion of DCion of DC
current signal, DC power, and HART communication to the SVI current signal, DC power, and HART communication to the SVI
II AP:II AP:
1.1.
Compliance voltage at the SVI II AP must be 9 volts at Compliance voltage at the SVI II AP must be 9 volts at
thethe
maximum current of 20 mA.maximum current of 20 mA.
2.2.
Signal to the SVI II AP must be a regulated current in Signal to the SVI II AP must be a regulated current in
thethe
range 3.2 to 22 mA.range 3.2 to 22 mA.
3.3.
Controller output circuit must be unaffected by the HARTController output circuit must be unaffected by the HART
tones which are in the frequency range between 1200 andtones which are in the frequency range between 1200 and
2200 Hz.2200 Hz.
4.4.
Frequency range of the HART tones must have a Frequency range of the HART tones must have a
circuitcircuit
impedance of more than 220 Ohms, typically 250 Ohms.impedance of more than 220 Ohms, typically 250 Ohms.
5.5.
HART tones may be imposed by the positioner and aHART tones may be imposed by the positioner and a
communication device located anywhere on the signalingcommunication device located anywhere on the signaling
circuit.circuit.

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6.6.
Capacitance of the signaling circuit must not exceed 0.26Capacitance of the signaling circuit must not exceed 0.26
microfarads or 0.10 microfarads with high seriesmicrofarads or 0.10 microfarads with high series
resistance.resistance.
7.7.
Cabling must be shielded to prevent electrical noise Cabling must be shielded to prevent electrical noise
thatthat
would interfere with the HART tones, with the shieldwould interfere with the HART tones, with the shield
grounded.grounded.
8.8.
Signal must be properly grounded in only Signal must be properly grounded in only
one place.one place.
Note:Note:
For details and calculation methods for wiring resistance, andFor details and calculation methods for wiring resistance, and
capacitance and for calculation of cable characteristics pleasecapacitance and for calculation of cable characteristics please
refer to the HART FSK Physical refer to the HART FSK Physical
Layer Specification.Layer Specification.
SVI II AP SetupsSVI II AP Setups
TT
ypical system setups are ypical system setups are
shown inshown in
Figure 6 on page 13Figure 6 on page 13
, General, General
Purpose and Explosion Proof (EEx d) Purpose and Explosion Proof (EEx d)
Installation Schematic andInstallation Schematic and
FigureFigure
7 on page 137 on page 13
, Intrinsically Saf, Intrinsically Saf
e Installation e Installation
Schematic. Schematic.
The SVI IThe SVI I
I API AP
positioner can be located in a general-purpose or hazardous areapositioner can be located in a general-purpose or hazardous area
protected by Explosion protected by Explosion
Proof (EEx Proof (EEx
d) methods. d) methods.
Wiring diagrams areWiring diagrams are
generalized, actual wiring must adhere generalized, actual wiring must adhere
to Electrical Installation sectionto Electrical Installation section
of manual of manual
and local electrical and local electrical
codes. codes.
The use of The use of
a Handhelda Handheld
Communicator or a HART modem is not permitted in the HazardousCommunicator or a HART modem is not permitted in the Hazardous
Area protected Area protected
by Explosion by Explosion
Proof (EEx Proof (EEx
d) methods. d) methods.
InIn
Figure 7 onFigure 7 on
page 13page 13
the SVI II AP positioner is located in a hazardous area the SVI II AP positioner is located in a hazardous area
that isthat is
protected by Intrinsically Safe wiring practices.protected by Intrinsically Safe wiring practices.
The SVI II AP requires an electrical input from a 4-20 The SVI II AP requires an electrical input from a 4-20
mA currentmA current
source. The SVI II AP input signal can carry source. The SVI II AP input signal can carry
a HART communicationa HART communication
protocol signal from ValVprotocol signal from ValV
ue 2.4 or ue 2.4 or
greater software and a greater software and a
HARTHART
modem, or from a HARmodem, or from a HAR
T Hand Held CommunicatorT Hand Held Communicator
. .
Since the processSince the process
control system, the source of the input signal, is control system, the source of the input signal, is
located in a non-located in a non-
hazardous location, setup requires an intrinsic safety barrier be hazardous location, setup requires an intrinsic safety barrier be
placedplaced
between the procbetween the proc
ess control sysess control sys
tem and the SVI II Atem and the SVI II A
PP
. .
If the SVI II If the SVI II
APAP
is located in a hazardous area with Intrinsically Safe protection a barrieris located in a hazardous area with Intrinsically Safe protection a barrier
is not required is not required
for a flameproof for a flameproof
installation. installation.
Alternatively the Alternatively the
systemsystem
can be installed as Explosion Proofcan be installed as Explosion Proof
⁄⁄
flameproof. SVI II AP canflameproof. SVI II AP can
communicate with a remote PC communicate with a remote PC
running Vrunning V
alVue software via a modemalVue software via a modem
connected to connected to
the PC'the PC'
s serial s serial
or USB or USB
port. port.
The PC, The PC,
which is which is
notnot
intrinsically safe, must be connected to the circuit on the safe area sideintrinsically safe, must be connected to the circuit on the safe area side
of the intrinsic safety barrier if the valve is located in a hazardous area.of the intrinsic safety barrier if the valve is located in a hazardous area.
The SVI II AP can be operated, calibrated, configured, and interrogatedThe SVI II AP can be operated, calibrated, configured, and interrogated
either by using local pushbutton and display, or by using a PC runningeither by using local pushbutton and display, or by using a PC running
VV
alVue 2.4 software, HART Handheld CommunialVue 2.4 software, HART Handheld Communi
cator, or any cator, or any
registeregiste
redred
HART Host tHART Host t
hat supports DDs. hat supports DDs.
The HART Handheld ComThe HART Handheld Com
municator ismunicator is
approved for Intrinsically Safe approved for Intrinsically Safe
use in accordance use in accordance
with FM and ATEXwith FM and ATEX
standards. standards.
Read and Read and
observe all observe all
HHC labelling. HHC labelling.
The SVI The SVI
II AP II AP
isis
polarity sensitive so the positive lead must be connected to the positivepolarity sensitive so the positive lead must be connected to the positive
(+) terminal and the (+) terminal and the
negative lead to the negative negative lead to the negative
(-) terminal. (-) terminal.
ReversalReversal
of input will not cause damage but the unit will of input will not cause damage but the unit will
not function.not function.

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1212
Grounding PracticesGrounding Practices
TT
o ensure proper o ensure proper
grounding make sure grounding make sure
that case, signal, and that case, signal, and
groundground
connections are made in compliance with the plants normal groundingconnections are made in compliance with the plants normal grounding
practices. practices.
Any point in the Any point in the
loop can be referenced loop can be referenced
to ground, but tto ground, but t
herehere
must never be must never be
more than one more than one
ground point. ground point.
Normally ground Normally ground
isis
connected at the controller or at the connected at the controller or at the
intrinsic safety barrier.intrinsic safety barrier.
The case grounding screws are The case grounding screws are
located on the outside of the case atlocated on the outside of the case at
the lower right of tthe lower right of t
he display cover and inside the coverhe display cover and inside the cover
. .
The case isThe case is
isolated from all circuitry and can be isolated from all circuitry and can be
grounded locally in accordancegrounded locally in accordance
with applicable codes.with applicable codes.
If noise or instability is present set the positioner to MANUAL mode ofIf noise or instability is present set the positioner to MANUAL mode of
operation and manualoperation and manual
ly position the valve over it’ly position the valve over it’
s entire range. s entire range.
If theIf the
valve is stable in MANUAL mode then the problem can valve is stable in MANUAL mode then the problem can
be noise in thebe noise in the
control systemcontrol system
. .
Recheck all Recheck all
wiring connections wiring connections
and ground poiand ground poi
nts.nts.
Compliance VCompliance V
oltage in Single Drop Current oltage in Single Drop Current
ModeMode
The SVI II AP requires 9.0 Volts at 20 mA and 11.0 Volts at 4 mA.The SVI II AP requires 9.0 Volts at 20 mA and 11.0 Volts at 4 mA.
TT
ypical HART devices ypical HART devices
require MORE Voltage at higher currerequire MORE Voltage at higher curre
nt andnt and
MORE MORE
current source have LESS current source have LESS
VV
oltage available at oltage available at
higher current.higher current.
The SVI II AP is unique The SVI II AP is unique
in that it requires LESS Voltage at higher currentin that it requires LESS Voltage at higher current
which compliments the characteristic of the source requiring onlywhich compliments the characteristic of the source requiring only
99
Volts at 20 mAVolts at 20 mA
..
VV
erify Wiring aerify Wiring a
nd Connectionsnd Connections
Note:Note:
For split range installations the compliance voltage must be For split range installations the compliance voltage must be
ca-ca-
pable of the minimum span being 5 mA; the upper range valuepable of the minimum span being 5 mA; the upper range value
must be 8 mA to 20 mA; the lower must be 8 mA to 20 mA; the lower
range values must be 4 mArange values must be 4 mA
to 14 mA.to 14 mA.
Use the following procedure to ensure that the Use the following procedure to ensure that the
SVI II AP is properlySVI II AP is properly
powered:powered:

Connect a DC voltmeter across the input terminals.Connect a DC voltmeter across the input terminals.

For an input current between 4 and For an input current between 4 and
20 mA the20 mA the
voltage varies between 11V and 9V respective.voltage varies between 11V and 9V respective.

Current is read from the local display Current is read from the local display
or with aor with a
milliammeter installed in series the SVI II AP.milliammeter installed in series the SVI II AP.

When voltage exceeds 11 V check that polarity When voltage exceeds 11 V check that polarity
isis
correct.correct.

If voltage is less than 9 V and If voltage is less than 9 V and
polarity is correct,polarity is correct,
voltage compliance of current source is inadequate.voltage compliance of current source is inadequate.

Connect a milliammeter in series with the currentConnect a milliammeter in series with the current
signal. Vsignal. V
erify that source can supply erify that source can supply
20 mA to SVI II20 mA to SVI II
AP input.AP input.

If 20 mA is not attainable, troubleshoot the sourceIf 20 mA is not attainable, troubleshoot the source
and set up.and set up.

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1313
Note:Note:
Improperly or inadequately grounded installations can causeImproperly or inadequately grounded installations can cause
noise or instability in the control loop. The internal electronicnoise or instability in the control loop. The internal electronic
components are isolated from ground. Grounding the case iscomponents are isolated from ground. Grounding the case is
unnecessary for functional purposes but grounding the unnecessary for functional purposes but grounding the
casecase
may be necessary to conform to local codes.may be necessary to conform to local codes.
Hazardous AreaHazardous Area
Non-Hazardous AreaNon-Hazardous Area
PowerPower
SupplySupply
220 Ohms220 Ohms
HART compliantHART compliant
control systemcontrol system
output cardoutput card
HARTHART
ModemModem
SVI II APSVI II AP
HHC375HHC375
ValVueValVue
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PowerPower
SupplySupply
220 Ohms220 Ohms
HART compliantHART compliant
control systemcontrol system
output cardoutput card
HARTHART
ModemModem
SVI II APSVI II AP
HHC375HHC375
ValVueValVue
BarrierBarrier
ResistanceResistance
Single ChannelSingle Channel
Zener BarrierZener Barrier
FF
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