IM 12D08N05-01E
ii
<PREFACE>
CAUTION
• Donotuseanabrasiveororganicsolventincleaningtheinstrument.
• DonotmodifytheSC450Gconverter.
• SubstitutionofcomponentsmayimpairsuitabilityforDivision2.
Do not remove or replace while circuit is live unless area is known to be non-
hazardous.
Explosion Hazard – Do not disconnect equipment unless area is known to be
nonhazardous.
Do not reset circuit breaker unless power has been removed from the equipment or
the area is known to be non-hazardous.
n
Notice
• Thismanualshouldbepassedontotheenduser.
• Thecontentsofthismanualaresubjecttochangewithoutpriornotice.
• Thecontentsofthismanualshallnotbereproducedorcopied,inpartorinwhole,
without permission.
• Thismanualexplainsthefunctionscontainedinthisproduct,butdoesnotwarrantthat
they are suitable the particular purpose of the user.
• Everyefforthasbeenmadetoensureaccuracyinthepreparationofthismanual.
However, when you realize mistaken expressions or omissions, please contact the
nearestYokogawaElectricrepresentativeorsalesofce.
• Thismanualdoesnotcoverthespecialspecifications.Thismanualmaybeleft
unchanged on any change of specification, construction or parts when the change
does not affect the functions or performance of the product.
• Iftheproductisnotusedinamannerspecifiedinthismanual,thesafetyofthis
product may be impaired.
Yokogawa is not responsible for damage to the instrument, poor performance of the
instrumentorlossesresultingfromsuch,iftheproblemsarecausedby:
• Improperoperationbytheuser.
• Useoftheinstrumentinimproperapplications
• Useoftheinstrumentinanimproperenvironmentorimproperutilityprogram
• Repairormodificationoftherelatedinstrumentbyanengineernotauthorizedby
Yokogawa.
n
SafetyandModicationPrecautions
Follow the safety precautions in this manual when using the product to ensure protection
and safety of the human body, the product and the system containing the product.
n
Warranty and service
Yokogawa products and parts are guaranteed free from defects in workmanship and
materialundernormaluseandserviceforaperiodof(typically)12monthsfromthedateof
shipment from the manufacturer. Individual sales organizations can deviate from the typical
warranty period, and the conditions of sale relating to the original purchase order should be
consulted. Damage caused by wear and tear, inadequate maintenance, corrosion, or by
the effects of chemical processes are excluded from this warranty coverage.