PXR3 Instruction Manual - Coulton Instrumentation

DI operation (Setting range: 0 to 12) (Option)[Description]• Select each DI function with and (DI settingparameter) and set the DI to ON to activate the functions.Setting range: 0 to 12= No function= Switches the SV.= Control RUN/Standby= Starts the auto tuning (standard).= Starts the auto tuning (low PV).= Cancels latching for all alarms.= Cancels latching for alarm 1.= Cancels latching for alarm 2.= Activates ALM 1 relay timer.= Activates ALM 2 relay timer.= Ramp-soak operation RUN/RESETSwitching the SV (DI function 1)• This function switches the SV.(Exp.) In case of switching SV 4 pointsDI set parameter, DI and type of SV to be switched and selectedDI2 OFF DI2 ONSet value Set value DI1 OFF DI1 ON DI1 OFF DI1 ON• of the ramp-soak target SV is used to set theSV 1.• The SV cannot be changed on the SV display screenwhile is selected.• While switching the SV, the SV and the SV No. appearalternately. (SV: 2 seconds, SV No.: 1 second)However, the SV No. is not displayed during the rampsoakoperation.• The ramp-soak operation can be also switched betweenRUN/RESET manually.• The ramp-soak execute types that are set in theparameter of operate.• The table below shows the operations when the DIchanges during ramp-soak operation.Switching control RUN/Standby (DI function 2)• RUN and Standby mode is switched by DIDI ON : StandbyDI OFF: RUN• When the control is in standby state,During PV displayDuring SV displayRamp-soakoperation statusRUNRESETHOLDENDThe SV (set value)flickers.The SV lampflickers.DION edge OFF edgeNo change RESETRUN No changeRUN RESETNo change RESET• When the settings are set manually, via communication,and DI, the settings that are set later are valid.• The control can also be switched between RUN/Standby manually.Select ON or OFF in the parameter for (Settingstandby).Displaysalternately.SVSVNo.setting screen (the first block)Display during OFF: ControlRUN modeDisplay during ON: Control StandbymodeRamp-soak operation RUN/RESET (DI function 12)• The ramp-soak operation is switched between RUN/RESET by DI.DI ON edge ⇑: RUNDI OFF edge ⇓: RESET[Note]RUN and RESET are switched by ON and OFF edge of DI.• The table below shows the relationship between theRUN and Standby mode switched with a manual operation,DI 1, and ramp-soak operation.DIDI OFFDI ONStandby status of ramp-soak operationOFFONManual settingOFF ON OFF ONRUNStandbyStandbyStandbyStandbyStandbyStandbyStandby61