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All Rights Reserved. Copyright © 2012, Yokogawa Electric Corporation
GS 04L52B01-01EN
Nov. 10, 2015-00
• Conguringscreens:Screencreationsoftware
 CreationusingDXA170DAQStudio(GPdoes
nothaveacreationfunction)
• Saving/loadingscreendata:
 Aspeciedscreenorallthescreensis/are
loadedfromanexternalstoragemediumtothe
internalmemory,oraspeciedscreenorallthe
screensintheinternalmemoryis/aresavedon
anexternalstoragemedium.
VGAVIDEOOUTPUT(/D5)(OnlyforGP20)
• Externaldisplay:
 Resolution:800×600dots(VGA)
 Connector:15-pinD-Sub(female)
EtheNet/IPCOMMUNICATION(PLC
communicationprotocol)(/E1)
 CanbejoinedtoanEthernet/IPnetworkasan
adapter (or a server).
• LoadingdatafromtheI/Ochannelorcalculation
channel (/MT)
 I/Ochannel:
    GP10: 100, GP20-1: 100, GP20-2: 500
  Calculation channel:
    GP10: 50, GP20-1: 100, GP20-2: 100
• Loadingandwritingdatafrom/tothe
communicationchannel(/MC)
 Communicationchannel:
    GP10: 50, GP20-1: 300, GP20-2: 500
WTCOMMUNICATION(/E2)
 CollectsdatabyconnectingtoWTequipment
manufacturedbyYokogawaMeters&Instruments
Corp.viaEthernetcommunication.
• Supportedmodels:WT1800,WT500,and
WT300
• Numberofconnectableunits:
  GP10: 8
  GP20: 16
• Communicationcycle:500ms/1s/2s/5s/10s/20
s/30 s
• Typesofdatathatcanbeobtained:Voltage,
current,power,powerfactor,phase,electrical
energy,high-frequencywave,etc.
• Numberofdataallocations
  GP20:300
  GP10:50
FAILOUTPUT(/FL)
• Contact:Ccontact,1point
• FAILoutput:
  The relay contact output on the rear panel 
indicatestheoccurrenceofCPUfailure.
 Relayoperation:Energizedduringnormal
operationandde-energizedonCPUfailure.
• Statusoutput:Therelaycontact,whichisde-
energizedinnormaloutputstate,isenergized
upontheoccurrenceofamemory/mediaerror,
measurementerror,communicationerror,
recordingstop,oralarm.
• Ratedpowersupplyvoltage:24VDCor250V
ACorless
• Ratedloadcurrent:3A(DC)/3A(AC),resistance
load
• Min.loadcurrent:100mA
• Recommendedreplacementperiodsofcontact:
 Electrical:30,000moreON-OFFoperations,
Mechanical:5,000,000moreON-OFFoperations
LogSCALE(/LG)
 Alogarithmicvoltagethathasbeenconvertedfrom
a physical value is applied to the GP, and then the 
GP’sLogscale(logarithmicscale)isusedtodisplay
and record the physical value.
• Inputtype:Loginput(logarithmicinput),Pseudo
loginput:Aninputthatsupportspseudo
logs,Loglinearinput:Inputthatislinearona
logarithmicscale.
• Range:20mV/60mV/200mV/1V/2V/6V/20V/50V
• Scalablerange:
• Loginput:
 1.00E-15to1.00E+15(15decade
maximum)
 Scale_L<Scale_U
 Ifthelowerlimitmantissais1.00,the
differencebetweentheexponentsmustbe
1ormore.
 Ifthelowerlimitmantissaisavalueother
than1.00,thedifferencebetweenthe
exponentsmustbe2ormore.
• PseudoLogInput/Loglinearinput
 1.00E-15to1.00E+15(15decade
maximum)
 Thehigherlimitmantissaisthesameas
thelowerlimitmantissa).
 Ifthelowerlimitmantissais1.00,thevalue
mustbebetween1.00E–15and1.00E+15,
thedifferencebetweentheexponentsmust
be1ormore,andthemaximumdecadesis
15.
 Ifthelowerlimitmantissaisavalueother
than1.00,thevaluemustbebetween
1.01E–15and9.99E+14,thedifference
betweentheexponentsmustbe1ormore
andthemaximumdecadesis15.
• Alarmtype:Highlimit,lowlimit,delayhighlimit,
anddelaylowlimit
• Alarmsettingrange:Therangeconvertedinto
theLOGscalecorrespondingto-5%to105%of
the span width.
• Alarmhysteresis:Fixedto0
• Greenbandsettingrange:Thelowerlimittothe
upperlimitofthescale.However,thelowerlimit
ofthedisplaypositionmustbesmallerthanthe
upperlimit.
• Positionofthedecimalpoint:1to2
• Misc:Nonlinearinputispossiblebycorrecting
the input value