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Field Display & Interface
Tank inventory anywhere in your tank farm.
HoneywellEnraf’s877FieldDisplay&InterfaceUnit(FDI)
providestankinventoryinformationinthefield,whereitis
needed.Itisaversatile,EEx-dapprovedinstrumentwithseveral
interfaceoptions,whichcanevenbepartofW&Mapproved
applications.ThedesignoftheFDIisthereforebasedonreliable
anduninterrupteddatasupplyinallcircumstances.Theunitcan
beusedinstandalonemodeusingtheEnrafBi-phaseMark
communicationprotocolfordirectconnectiontoanyHoneywellEnrafgauge,oranyother
gaugeusingthisstandardcommunicationprotocolintankfarms.Theunitwillinterrogate
thegaugeanddisplayitsmeasureddata.
Technical specifications
Display
Type : LCDcontrastadjustable
2lines,16alphanumericcharactersperline
Decimalseparator : period“.”orcomma“,”selectable
Mechanical
Dimensions(wxhxd) : 225mmx205mmx290mm(87/8”x81/16”x117/16”)
Weight : 12kg(26lb)
Cableentries : 3pcs¾”NPTthreaded(Exdglandsorsealedconduitmayberequired)
Environmental
Ambienttemperature : -40°Cto+60°C(-40°Fto+140°F)
Protectionclass : IP67/NEMA6P
Safety : Explosionproof
II2GEExdIIBT6orEExd[ia/ib]IIBT6accordingtoATEX
-ClassI,Division1,GroupsB,CandD,inacc.toNFPA70(FM,USA)
Materials
Housing : CastaluminumInt.reg.AAA356EN1706AC-AlSi7Mg0.3
Finish : ChromatizedaccordingtoMIL-C-5541C
O-rings : NBR70
Electrical
Powersupply : 110/130/220V(+10%to-20%)and230V(±15%),optional65V(+10%to-20%),
alsosuitablefor240V(+10%to-20%)
Frequencyvariations : 50Hzto60Hz(±10%)
Powerrating : 25VA,Imax=2A(20VAforFM)
Transmission
Type : Serial,Bi-PhaseMarkmodulated(BPM),EnrafGPUprotocol
Isolatingvoltage : >1,500V
Lightningprotection : Fullgalvanicseparationviaisolatingtransformers
Cabling : Twoconductors,twistedpair,Rmax=200Ω/line,Cmax<1µF
CommunicationwithPET* : Infra-red,serial
Operational modes
Sixoff : I Indicatormode(standalone)
F Indicatorandfallbackmode
M Mastermode
D Masterdisplayscanmode(standalone)
H HTGlevelmode
T Standalonetemperaturegauge
Options
Alarmrelayoutput : 2xSPDT,galvanicallyisolated,Vmax=50Vacor75Vdc,Imax=3A(CSA0.6A),
noninductiveload
Fallbackrelay : Adjustabletransmissiontimeout0-29.5min,selfpolling,restartsongaugerestart
Analogleveloutput : 4-20mA(accuracy±0.1%fullscale)
Inputboards : SpotRTD,VITOprobesforaveragetemperatureand/orwatermeasurement,
HART®devices
Datatransmission : StandardModbusviaRS232CorRS485(onlyinoperationmodesH&T)
Cableentries : Adaptersavailabletofitothersizecableglands
HART®isatrademarkoftheHARTCommunicationsFoundation
*)PET=PortableEnrafTerminal
Identification code
Pos 1 ApplicationU GeneralpurposeX W&Mcertified
Pos 2 Data transmissionE EnrafBiphasemarkprotocol(standard)R RS232CGPUprotocol(onlywhenPos3=B,C,J,UorZ)S RS485GPUprotocol(onlywhenPos3=B,C,J,UorZ)V RS232CstandardModbus(onlywhenPos3=B,C,J,UorZ)W RS485standardModbus(onlywhenPos3=B,C,J,UorZ)
Pos 3 I/O optionsB SpottemperaturePt100C VITOtemperatureand/orwaterprobeJ VITOtemperatureand/orwaterprobe+HARTdevice(s)U SpottemperaturePt100+HARTdevice(s)V AnalogleveloutputW Analogleveloutput+VITOtemperatureand/orwaterprobeX Analogleveloutput+VITOtemperatureprobeY Analogleveloutput+spottemperaturePt100+VITOtemperatureand/orwaterprobe+HARTdevice(s)Z None
Pos 4 Alarm relay and fallback relayF WithalarmrelayandfallbackrelayZ Withoutalarmrelayandfallbackrelay
Pos 5, 6, 7 Instrument designation8 7 7 FieldDisplay&Interface
Pos 8 Mains supplyA 220V 50/60HzC 110V 50/60HzK 230V 50/60HzR 130V 50/60HzS 65V 50/60Hz
Pos 9 ApplicationS HIMSifPos3=G,J,UorYT HTGifPos3=G,J,UorYU HTGwithwaterprobeifPos3=JorYZ Basicindicator
Pos 10 Safety approvalsA ATEX EuropeC CSA CanadaF FM USAForotherapprovalspleasecontactyournearestEnrafoffice
U E C F 8 7 7 K Z A Typical identification code
8 7 7 Your identification code
Dimensional drawing
infra redcoupling
Cable entry3 x NPT
180 (7 )
225 (8 )
ø11 ( ) 4x
50(1 )
(3 )100
38
(1
)
290 (11 )
215 (8 )
205
(8
)
170
( 6
)
198
(7
)
(space neededto remove cover)
190 (7 )
100 (4")
Clearance forIR. connector
1/16"
7/8"
7/16"
11/1
6"
13/1
6"
7/16"
7/16"1/2"
1/16
"
15/16"
15/16"
3/4"
1/2"
SerialtransmissionBi-PhaseMarkModulation(BPM)toCIUInventorysystemhostcommunication
SerialtransmissionBi-PhaseMarkModulation(BPM)toCIUInventorysystemhostcommunication
MainsMains
Mains
FDI at the foot of the tank FDI with HTG system
EN-09-18-ENGAugust 2009© 2009 Honeywell International Inc.
For More InformationTolearnmoreaboutHoneywellEnraf’ssolutions,contactyourHoneywellEnrafaccountmanagerorvisitwww.honeywellenraf.com.
AmericasHoneywellEnrafAmericas,Inc.2000NorthfieldCt.Roswell,GA30076USAPhone:+17704751900Email:[email protected]
Europe, Middle East and AfricaHoneywellEnrafDelftechpark392628XJDelftTheNetherlandsPhone:+31(0)152701100Email:[email protected]
Asia PacificHoneywellPteLtd.17ChangiBusinessParkCentral1Singapore486073Phone:+6563552828Email:[email protected]
