Azbil DCP31 - 6 - 5 Manual Operation and Auto-tuning

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Manual operation
IntheMANUALmode,controlleroutputscanbemanipulatedby
or ontheconsole.

Controller functions
Whenoutputsaredisplayedinthebasicdisplaystate,onlyonedigit
intheoutputvalueblinks.Iftheoutputvalueisincrementedor
decrementedbyor,actualoutputalsoincrementsordecrements.
Outputvaluesdifferfromvaluesbeingenteredtosettingitemsin
that
ENT
neednotbepressed.
Theblinkingdigitcanbemovedbypressing
or .
On2Goutputmodels,whenonlyestimatedposition-proportional
controlisselectedbyvariableparameter
.-Csetting2,“ — ”not
thevalueisdisplayedastheoutputdisplayintheMANUALmode.
Pressing
displays“Open”,andtheopen-siderelayturnsON.
Pressing
displays“ClOS”,andtheclosed-siderelayturnsON.
Bump-lessandpresetoutputchangeswhenshiftingfromtheAUTO
totheMANUALmodecanbeselectedbysetupparameterC15set-
ting.WhenshiftingfromtheMANUALtotheAUTOmode,output
isbumpless.
(However,whenthetotaltimeforthePIDparameterofthePIDset
inuseissetto“0”,asuddenchangeinoutputoccurs.)

Programmer functions
On5Goutputmodels,whenprogrammerfunctionsareinopera-
tionwithsetupdataC18setting1,SPcanbemanuallymanipulated.
WhenSPisdisplayedinthebasicdisplaystate,onlyonedigitinthe
SPvaluebeingenteredblinks.WhentheSPvalueisincrementedor
decrementedby
or ,theactualSPoutputalsoincrements
ordecrements.SPvaluesdifferfromvaluesbeingenteredtosetting
itemsinthat
ENT
neednotbepressed.
Theblinkingdigitcanbemovedbypressing
or .
OutputchangeswhenshiftingfromtheAUTOtotheMANUAL
modearebumplessregardlessofsetupdataC15setting.When
shiftingfromtheMANUALtotheAUTOmode,theSPbecomesthe
programpatternSP,whichresultsinasuddenchangeinoutput.
6-14
Chapter 6. OPERATION
6 - 5 Manual Operation and Auto-tuning