YOKOGAWA GX20

2
All Rights Reserved. Copyright © 2014, Yokogawa Electric Corporation
GS 04L53B01-01EN May. 19, 2017-00
 INPUT/OUTPUT MODULE SPECIFICATIONS
ANALOG INPUT MODULE
(Model GX90XA or GX/GP main unit options /Uxx0)
Thefollowingnotationsareusedtodistinguishthevarioustypes.
Type Sufx Code Notation
-U2 Universal
-C1 Current(mA)input
-L1 Lowwithstandvoltagerelay
-T1 Electromagneticrelay
-H0 High-speeduniversal
-R1 4-wireRTD/resistance
• InputType:
Sufx
Code
Input Type Number
of
inputs
Description (Type)
-U2 DCvoltage,standardsignal,thermocouple(TC),resist-
ancetemperaturedetector(RTD),DI(voltage,contact),
andDCcurrent(byaddinganexternalshuntresistor)
10 Universal
-C1 DCcurrent(mA),DCcurrentstandardsignal(4-20mA) 10 Current(mA)input
-L1 DCvoltage,standardsignal,thermocouple(TC),DI
(voltage,contact),andDCcurrent(byaddinganexter-
nalshuntresistor)
10 Lowwithstandvoltage
relay
-T1 DCvoltage,standardsignal,thermocouple(TC),DI
(voltage,contact),andDCcurrent(byaddinganexter-
nalshuntresistor)
10 Electromagneticrelay
-H0 DCvoltage,standardsignal,thermocouple(TC),resist-
ancetemperaturedetector(RTD),DI(voltage,contact),
andDCcurrent(byaddinganexternalshuntresistor)
4
*1
High-speeduniversal
-R1 4-wireRTD,4-wireresistance 6 4-wireRTD/resistance
*1 However,1pointwhenthescanintervalis1msand2pointswhenitis2ms.
• Inputformat:Floatingunbalanced,isolationbetweenchannels(excludingthebterminalonuniversalandlow
withstandvoltagerelaytype)
• Measurementinterval:1,2,5,10,20,50,100,200,500ms,1,2,5s(Seethetablebelow.)
 Scanintervalbymodule
Sufx Code
Scan interval
1 ms 2 ms 5 ms 10 ms 20 ms 50 ms 100 ms 200 ms 500 ms 1 s 2 s 5 s
-U2 – – – – – –
     
-C1 – – – – – –
     
-L1 – – – – – – – –
   
-T1 – – – – – – – – –
  
-H0
           
-R1 – – – – – –
     
• Inputrange:-5%ormoreand105%orless(accuracyisguaranteedintherangefrom0%to100%inclusive)
• Operationmode
 Itispossibletoswitchtoamodethatmakesmeasurementsbyreducingthesupplyfrequencynoise.
Sufx Code Operation mode
-U2 2chOnly,Lownoisemodeor10chNormalmode
-C1 2chOnly,Lownoisemodeor10chNormalmode
-L1 –
-T1 –
-H0 –
-R1 2chOnly,Lownoisemodeor6chNormalmode
GX90XA