YOKOGAWA GX20

4
All Rights Reserved. Copyright © 2012, Yokogawa Electric Corporation
GS 04L51B01-01EN June. 14, 2017-00
● Overviewdisplay
 Displayformat:Allchannels,eachgroups
 Displaysthemeasuredvaluesofallchannels
and the alarm statuses
 Displayingroupsonlywhenthemaximum
numberofchannelsthatcanbedisplayed(30on
theGX10,100ontheGX20)isexceeded.
● Alarmsummarydisplay
 Displaysalogofupto1000alarms
 Specifyanalarmwiththecursorandjumpto
the corresponding section on the historical trend
display.
● Messagesummarydisplay
 Timeandcontentofupto500messages
(simultaneous writing: 450, additional writing: 50)
 Specifyamessagewiththecursorandjumpto
the corresponding section on the historical trend
display.
● Memory summary display
 Displaystheinformation(upto500(GX10/GX20-
1)orupto1000(GX20-2)ofthedatainthe
memory
 Specifyalewiththecursorandjumptothe
corresponding section on the historical trend
display.
● Reportdisplay
 Displaysthereportdataresidingintheinternal
memory
 Formoredetails,see"MATHEMATICAL
FUNCTIONSWITHREPORTFUNCTION(/MT)."
● Logdisplay
 Displaystheeventlog,errorlog,communication
log,FTPlog,Weblog,e-maillog,SNTPlog,
DHCPlog,ModbuslogandSLMPlog.
● Multi-paneldisplay(OnlyforGX20)
 Dividesthescreenintotwotosixsectionsand
displayssomedifferentdisplayformats.
● Internalswitch/relaystatedisplay
 DisplaystheinternalswitchandON/OFFstateof
DO
 OperatestheinternalswitchandON/OFFstate
● Controlscreendisplay(whenaPIDcontrol
module is installed)
Control group, control overview, tuning, control
summary, control alarm summary, program
operation,* program selection*
* Onlywhenthe/PGoptionisinstalled
● Otherdisplays
 Networkinformationdisplay
 Systeminformationdisplay
 Systemcongurationdisplay
AutoscrollON/OFF:
The displayed groups can be automatically
switchedataspeciedinterval.
The display switches in ascending group order.
Namesofchannels:
Channel number;
Analog input: 01 to 10
Digital input: 01 to 16
Digital output: 01 to 06
Digital input/output; DI: 01 to 08,
DO: 09 to 14
Pulse input: 01 to 10
Analog output: 01 to 04
PID control Input, output: 01 to 26
X X X X
Slot number; GX10: 0 to 2, GX20: 0 to 9
Expandable I/O/GM sub unit: 0 to 5
Unit number; Main unit: 0,
Expandable I/O/GM sub unit: 1 to 6
Tags:
• TagandTagnumberscanbedisplayed.
• Tagnumber;Numberofcharacters:Upto16
 Displayablecharacters:Alphanumericcharacters
Tag numbers can be enabled or disabled.
• Tag;Numberofcharacters:Upto32
 Displayablecharacters:Alphanumericcharacters
Message:
• Writemessagestothetrenddisplay.
• Numberofmessages:100
• Numberofcharacters:Upto32
• Writemethod:Writeapresetmessageorwrite
an arbitrary message on the spot.
• Writedestination:Selectonlythedisplayed
group or all groups.
• Automessage:WriteamessagewhentheGX
recoversfromapowerfailurewhilememory
sampling is in progress.
 Writeamessagewhenthetrendintervalis
switched during memory sampling.
Addmessage:
• Writemessagestothepastdatapositions.
• Message:Thesameasthe“Message”item
above
 Numberofwritablemessagesperle:50
messages(including10freehandmessages)
Freehandmessage:
• Canbewrittenbydedicatedpen.
 Numberofwritablemessagesperle:50
messages (including 10 Add messages)
DataSavingFunctions
Internalmemory:
• Temporarilysavesvarioustypesofdata.
• Medium:Flashmemory
• Filestoragecapacity;
GX10, GX20-1: 500 MB
GX20-2: 1.2 GB
Externalstoragemedium:
• MediumSDcard(SD/SDHC)(upto32GB)
• Format:FAT32orFAT16
Datatype:
• Displaydata,Eventdata,Alarmsummarydata,
Manual sampled data, Screen image data, Setup
data, and Report data