YOKOGAWA GX20

3
All Rights Reserved. Copyright © 2012, Yokogawa Electric Corporation
GS 04L51B01-01EN
June. 14, 2017-00
Scaninterval:
1, 2, 5, 10, 20, 50, 100, 200, 500 ms, 1, 2, 5 s
Note) Some intervals will be unavailable depending on
thesystemcongurationandmodules.
 Fordetails,seetheI/OModuleGeneral
Specications(GS04L53B01-01EN)and
“Limitations”inthismanual.
Measurmentmode:
● Normal
A mode in which the shortest measurement
interval is 100 ms
 Numberofmeasurmentgroups:1
 Filetype:Displaydata,eventdata
 Dataformat:Binaryortext
 Scaninterval:100ms(fastest)
Compatible modules: All modules
● Highspeed
A mode in which high-speed measurement is
possibleattheshortestmeasurementintervalof
1 ms
 Numberofmeasurmentgroups:1
File type: Event data only
 Dataformat:Binaryonly
 Scaninterval:1ms(fastest)
 Compatiblemodules:High-speedAI(GX90XA-
04-H0),DI(GX90XD),DIO(GX90WD)
 However,onemodule,eitherDIorDIO,can
beinstalled.DIinputisxedtoremotemode.
Measurement and recording are not possible.
● Dualinterval
A mode in which measurement is possible
bysettingdifferentscanintervalsonthetwo
measurement groups.
 Numberofmeasurementgroups:2
File type: Event data only
 Dataformat:Binaryonly
Scan interval:
Model measurement
group1
measurement
group2
GX10/GX20-1 5ms(fastest) 100ms(fastest)
GX20-2 1ms(fastest) 100ms(fastest)
 Compatiblemodules:AllmodulesexceptPID
control module
* Dependingonthemeasurementmode,thereisa
limittothenumberofmeasurementchannelsand
recording channels at scan intervals shorter than
100ms.See“Limitations.”
DisplayFunctions
Displaygroups:
 Numberofgroups;GX10:30,GX20-1:50,
GX20-2: 60
 Numberofchannelsthatcanbeassignedto
each group; GX10: 10, GX20: 20
Displaycolor(Trend/Bargraph/Digitaldisplay):
  Channel:Selectfrom24colors
  Adesireddisplaycolorcanbeselectedfreely
using its RGB value.
  Background:Selectfromwhiteorblack
Displaytype:
● Trenddisplay(T-Y)
 Displaymethod:
Direction:Horizontal,vertical
Trend interval (Recording interval): 50 ms/div
(1 ms), 100 ms/div (2 ms), 250 ms/div (5
ms), 500 ms/div (10 ms), 1 s/div (20 ms),
2.5 s/div (50 ms), 5 s/div (100 ms), 10 s/
div (200 ms), 15 s/div (500 ms), 30 s/div (1
s), 1 min/div (2 s), 2 min/div (4 s), 5 min/div
(10 s), 10 min/div (20 s), 15 min/div (30 s),
20 min/div (40 s), 30 min/div (1 min), 1 h/
div (2 min), 2 h/div (4 min), 4 h/div (8 min),
10 h/div (20 min)
• Trendintervalshorterthan30s/div(1s)cannot
be set on electromagnetic relay type analog input
modules.
• Trendintervalshorterthan15s/div(500ms)
cannot be set on low withstand voltage relay type
analog input modules.
• Scanintervalshorterthan5s/div(100ms)cannot
bespeciedwhenthemeasurementmodeisset
toHighspeedorDualinterval.
• OntheGX10/GX20-1,scanintervalshorterthan
250ms/divcannotbespeciedindualinterval
mode.
Trend line width: Thick, normal, thin
 Scale;GX10:Max.6,GX20:Max.10
Current value bar graph, color scale band,
and alarm point marks can be displayed on
the scale.
A bitmap image scale can be attached.
Moving scale; Scale can be moved on any
waveform.
 Others;Grid(Auto,4to12),Tripline,Message,
Zonedisplay,Partialexpandeddisplay
● Historicaltrenddisplay(T-Ydisplay)
Redisplays the display data or event data in the
internalmemoryorexternalstoragemedium
 Timeaxisoperation:Thetimeaxiscanbe
reducedorexpanded.
 Datasearch:Waveformsfromtheinternal
memory can be displayed through the
specicationofadateandtime,calendar,each
summary
All historical trends can be displayed in one
screen.
● Bargraphdisplay
 Direction:Verticalorhorizontal
 Scale:Displayascaleforeachchannel
Color scale band, and alarm point marks can
be displayed on the scale.
● Digitaldisplay
 Displaysmeasuredvaluesnumerically
 ADIinputstatecanbedisplayedasanarbitrary
characterstring(0=Off/1=On,etc.)
 Updaterate:0.5s