Azbil DCP31 - 5 - 4 Controller and Programmer

On5Goutputmodels(outputcatalogNo.appendedwith5G),youcanchoosebetweenuseasa
controlleroraprogrammer.SetthisinsetupdataC18.Youcanalsochoosebetweencontroller
orprogrammerfunctionseveniftheDCP31isusedforprogramoperationorconstant-value
operation.
TheDCP31islimitedtouseasacontrolleratalltimesonothermodels.

Controller
WhentheDCP31isusedasacontroller,PIDcontroloperationis
carriedoutaccordingtoPV,SPANDPIDsettingvalues,andthe
resultingmanipulatedvariable(MV)isoutputasananalogoutput.
ON-OFFcontrol,heat/coolPIDcontroland3-position-proportional
isalsopossibledependingonthetypeofoutputsupportedbythe
modelofDCP31.
IntheMANUALmode,theMVcanbeincrementedordecrement-
edinthebasicdisplaystatebytheconsolekeys.

Programmer
WhentheDCP31isusedasaprogrammer,PIDcontroloperationis
notcarriedout,andtheSPisoutputinthescaled4to20mArange.
IntheMANUALmode,theSPcanbeincrementedordecremented
inthebasicdisplaystatebytheconsolekeys.
PV
MV
DCP31 controller
Controlled system
PV
PV
4 to 20mA
MV
PV
MV
PV
MV
DCP31 programmer
SP output
RSP input
SDC series
controller
SDC series
controller
SDC series
controller
Controlled system Controlled system Controlled system
5-22
Chapter 5. FUNCTIONS
5 - 4 Controller and Programmer