Owner manual

  <1.Introduction>
2
IM01C25A01-01E
• Yokogawaassumesnoresponsibilitiesforthis
productexceptasstatedinthewarranty.
• Ifthecustomeroranythirdpartyisharmedbytheuse
ofthisproduct,Yokogawaassumesnoresponsibility
foranysuchharmowingtoanydefectsintheproduct
whichwerenotpredictable,orforanyindirect
damages.
• WhendescribingthemodelnamelikeEJ110
inthismanual,itshowstheapplicabilityforboth
EJX110AandEJA110E.Thesamerepresentations
areusedfortheothermodels,too.
NOTE
ForFOUNDATIONFieldbusandPROFIBUSPAprotocol
versions,pleaserefertomanualsintheattachedCD-
ROM,inadditiontothismanual.
• Thefollowingsafetysymbolmarksareusedinthis
manual:
WARNING

Indicatesapotentiallyhazardoussituationwhich,ifnot
avoided,couldresultindeathorseriousinjury.
CAUTION
Indicatesapotentiallyhazardoussituationwhich,ifnot
avoided,mayresultinminorormoderateinjury.Itmay
alsobeusedtoalertagainstunsafepractices.
IMPORTANT
Indicatesthatoperatingthehardwareorsoftwarein
thismannermaydamageitorleadtosystemfailure.
NOTE
Drawsattentiontoinformationessentialfor
understandingtheoperationandfeatures.
 Directcurrent
1.1 ForSafeUseofProduct
Fortheprotectionandsafetyoftheoperatorandthe
instrumentorthesystemincludingtheinstrument,please
besuretofollowtheinstructionsonsafetydescribed
inthismanualwhenhandlingthisinstrument.Incase
theinstrumentishandledincontradictiontothese
instructions,Yokogawadoesnotguaranteesafety.
Pleasegiveyourattentiontothefollowings.
(a) Installation
• Theinstrumentmustbeinstalledbyanexpert
engineeroraskilledpersonnel.Theprocedures
describedaboutINSTALLATIONarenotpermittedfor
operators.
• Incaseofhighprocesstemperature,careshould
betakennottoburnyourselfbecausethesurfaceof
bodyandcasereachesahightemperature.
• Theinstrumentinstalledintheprocessisunder
pressure.Neverloosentheprocessconnectorbolts
toavoidthedangerousspoutingofprocessuid.
• Duringdrainingcondensatefromthepressure
detectorsection,takeappropriatecaretoavoid
contactwiththeskin,eyesorbody,orinhalationof
vapors,iftheaccumulatedprocessuidmaybetoxic
orotherwiseharmful.
• Whenremovingtheinstrumentfromhazardous
processes,avoidcontactwiththeuidandtheinterior
ofthemeter.
• Allinstallationshallcomplywithlocalinstallation
requirementandlocalelectricalcode.
(b) Wiring
• Theinstrumentmustbeinstalledbyanexpert
engineeroraskilledpersonnel.Theprocedures
describedaboutWIRINGarenotpermittedfor
operators.
• Pleaseconrmthatvoltagesbetweenthepower
supplyandtheinstrumentbeforeconnectingthe
powercablesandthatthecablesarenotpowered
beforeconnecting.
(c) Operation
• Wait5min.afterpoweristurnedoff,beforeopening
thecovers.
• Donotopenthecoverinwetweatherorhumid
environment.Ifthecoverisopened,statedenclosure
protectionisnotapplicable.