YOKOGAWA GX20 - Page 705

GS 04L53B01-31EN
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All Rights Reserved. Copyright © 2017, Yokogawa Electric Corporation 2017.06.26-00
ProgramControlFunction(/PGGX/
GP/GMrecorderoption)
Withtheprogramcontrolfunction,aPIDcontrolmodule
installedintheGX/GPmainunit,expandableI/O,GM
mainunitorsubunitcancontrolasystemaccordingto
timevaryingsetpointssentfromtheGX/GP/GMmain
unit.
99 program pattern sets
Program pattern set 1
(Recorder option /PG is required.)
GX/GP screen
GX/GP Web app
GM Web app
Program patterns are executed by operating the GX/GP or
GM recorder or Web app.
Program pattern set 2
Program pattern set 99
. . . .
•Numberofprogrampatternsets:99
•Programpatternname:upto20characters
•Numberofsegments:99segments/pattern
•Numberofsimultaneousexecution:1patternonly
• SP update period:
100to500ms(dependsonthe
systemconguration)
• PV events:
PValarms,deviationalarms,andthelikein
program patterns
Maximumnumberofevents:32persegment
Type:
PVhighlimit,PVlowlimit,SPhighlimit,SP
lowlimit,deviationhighlimit,deviationlowlimit,
deviationhighandlowlimits,deviationwithin
highandlowlimits,controloutputhighlimit,
control output low limit
• Time event:
Statusoutputispossibleaccordingtothe
progressofprogrampatterns.
Maximumnumberofevents:32persegment
Time setting: 0 to (segment time - 1 s)
•Operationmodeswitching:
Programrun/reset,hold/releasehold,advance
execute,localoperation
•Numberofpatternrepetitions:
999max.orinnite
• Segment time:
0hours0minutes1secondto99hours59
minutes 59 seconds
• Program pattern start/stop:
Programpatternstart,stop,hold,and
advancecanbecontrolledfromdigitalinput,
communication, or recorder’s screen.
• Program pattern selection:
canbecontrolledfromdigitalinput,
communication, or recorder’s screen.
•Advancefunction:
forciblymovestothenextsegment
•Waitfunction:
Wait time:
off,0hours0minutes1secondto99hours59
minutes 59 seconds
Wait zone:
0.0to10.0%ofPVrangespan
•Holdfunction:available
•PIDparameterswitching:
SegmentPIDswitching:
PIDparameternumbercanbeswitchedfor
eachsegment.
ZonePIDswitching:
PIDparameterscanbeswitchedusingPV
valuesandthelike.
•Statusoutputthroughdigitaloutput(controlevent
action)
 Statusmonitoringispossibleusingdigitaloutput.
Program patternnumbermonitoring,
programend(patternend)notication,
segmentnumbermonitoring,operation
mode monitoring (PROG/REST), wait end
notication,PV/timeeventnotication,waiting
notication,holdingnotication,localoperation
ProgramSelectionScreen
Theprogramselectionscreenisforselectingthe
program pattern to start operations and viewing pattern
settings.