๎ ๎ <2.๎๎Handling๎Cautions>
7
IM๎01C25A01-01E
IMPORTANT
For๎combined๎approval๎types
Once๎a๎device๎of๎multiple๎approval๎type๎is๎installed,๎
it๎should๎not๎be๎re-installed๎using๎any๎other๎approval๎
types.๎Apply๎a๎permanent๎mark๎in๎the๎check๎box๎of๎
the๎selected๎approval๎type๎on๎the๎certi๎ฟcation๎label๎on๎
the๎transmitter๎to๎distinguish๎it๎from๎unused๎approval๎
types.
2.4.1๎ FM๎Approval
a.๎ FM๎Intrinsically๎Safe๎Type
Caution๎for๎FM๎intrinsically๎safe๎type.๎(Following๎
contents๎refer๎โDOC.๎No.๎IFM022-A12โ)
Note๎1.๎ Model๎EJX/EJA-E๎Series๎Differential,๎gauge๎
and๎absolute๎pressure๎transmitters๎with๎optional๎
code๎/FS1๎are๎applicable๎for๎use๎in๎hazardous๎
locations.
โข๎ Applicable๎Standard:๎FM3600,๎FM3610,๎FM3611,๎
FM3810๎
โข๎ Intrinsically๎Safe๎for๎Class๎I,๎Division๎1,๎Groups๎A,๎
B,๎C๎&๎D.๎Class๎II,๎Division๎1,๎Groups๎E,๎F๎&๎G๎and๎
Class๎III,๎Division๎1,๎Class๎I,๎Zone๎0๎in๎Hazardous๎
Locations,๎AEx๎ia๎IIC
โข๎ Nonincendive๎for๎Class๎I,๎Division๎2,๎Groups๎
A,๎B,๎C๎&๎D.๎Class๎II,๎Division๎2,๎Groups๎F๎&๎G๎
and๎Class๎I,๎Zone๎2,๎Groups๎IIC,๎in๎Hazardous๎
Locations.
โข๎ Outdoor๎hazardous๎locations:๎NEMA๎TYPE๎4X
โข๎ Temperature๎Class:๎T4
โข๎ Ambient๎temperature:๎โ60๎to๎60ยฐC
Note๎2.๎ Entity๎Parameters
โข๎ Intrinsically๎Safe๎Apparatus๎Parameters
๎ [Groups๎A,๎B,๎C,๎D,๎E,๎F๎and๎G]๎
Vmax๎=๎30๎V Ci๎=๎6๎nF
Imax๎=๎200๎mA Li๎=๎0๎ยตH
Pmax๎=๎1๎W
*๎ Associated๎Apparatus๎Parameters
๎ (FM๎approved๎barriers)
Voc๎โค๎30๎V Ca๎>๎6๎nF
Isc๎โค๎200๎mA La๎>๎0๎ยตH
Pmax๎โค๎1W
โข๎ Intrinsically๎Safe๎Apparatus๎Parameters
๎ [Groups๎C,๎D,๎E,๎F๎and๎G]
Vmax๎=๎30๎V Ci๎=๎6๎nF
Imax๎=๎225๎mA Li๎=๎0๎ยตH
Pmax๎=๎1๎W
*๎ Associated๎Apparatus๎Parameters
๎ (FM๎approved๎barriers)
Voc๎โค๎30๎V Ca๎>๎6๎nF
Isc๎โค๎225๎mA La๎>๎0๎ยตH
Pmax๎โค๎1๎W
โข๎ Entity๎Installation๎Requirements
๎ Vmax๎โฅ๎Voc๎or๎Uo๎or๎Vt,๎Imax๎โฅ๎Isc๎or๎Io๎or๎It,๎
๎ Pmax๎(or๎Po)๎โค๎Pi,๎Ca๎or๎Co๎โฅ๎Ci๎+๎Ccable,
๎ La๎or๎Lo๎โฅ๎Li๎+๎Lcable
Note๎3.๎ Installation
โข๎ Barrier๎must๎be๎installed๎in๎an๎enclosure๎that๎
meets๎the๎requirements๎of๎ANSI/ISA๎S82.01.
โข๎ Control๎equipment๎connected๎to๎barrier๎must๎not๎
use๎or๎generate๎more๎than๎250๎V๎rms๎or๎V๎dc.
โข๎ Installation๎should๎be๎in๎accordance๎with๎ANSI/ISA๎
RP12.6๎โInstallation๎of๎Intrinsically๎Safe๎Systems๎
for๎Hazardous๎(Classi๎ฟed)๎Locationsโ๎and๎the๎
National๎Electric๎Code๎(ANSI/NFPA๎70).
โข๎ The๎con๎ฟguration๎of๎associated๎apparatus๎must๎be๎
FMRC๎Approved.
โข๎ Dust-tight๎conduit๎seal๎must๎be๎used๎when๎
installed๎in๎a๎Class๎II,๎III,๎Group๎E,๎F๎and๎G๎
environments.
โข๎ Associated๎apparatus๎manufacturerโs๎installation๎
drawing๎must๎be๎followed๎when๎installing๎this๎
apparatus.
โข๎ The๎maximum๎power๎delivered๎from๎the๎barrier๎
must๎not๎exceed๎1๎W.
โข๎ Note๎a๎warning๎label๎worded๎โSUBSTITUTION๎
OF๎COMPONENTS๎MAY๎IMPAIR๎INTRINSIC๎
SAFETY,โ๎and๎โINSTALL๎IN๎ACCORDANCE๎WITH๎
DOC.๎No.๎IFM022-A12โ
Note๎4.๎ Maintenance๎and๎Repair
โข๎ The๎instrument๎modi๎ฟcation๎or๎parts๎replacement๎
by๎other๎than๎authorized๎representative๎of๎
Yokogawa๎Electric๎Corporation๎is๎prohibited๎and๎
will๎void๎Factory๎Mutual๎Intrinsically๎safe๎and๎
Nonincendive๎Approval.
F0204.ai
Class I, II, III, Division 1,
Groups A, B, C, D, E, F, G
Class 1, Zone 0 in
Hazardous (Classified)
Locations AEx ia IIC
Pressure Transmitters
Safety Barrier
Supply
Hazardous Location Nonhazardous Location
General
Purpose
Equipment
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[Intrinsically Safe]
Handling๎Cautions
2
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