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10. Auto-tuningIn order to set each value of P, I, D and ARW automatically, the auto-tuning process should be madeto fluctuate to obtain an optimal value. One of 3 types of fluctuation below is automatically selected.For DC input, the AT process will fluctuate around the set value for conditions of [1], [2] and [3] below.Notice• Perform the auto-tuning during the trial run.• During the auto-tuning, none of the setting items can be set.• If power failure occurs during the auto-tuning, the tuning stops.[1] In the case of a large difference between the SV and processing temperature as thetemperature is risingWhen AT bias is set to 20 , the AT process will fluctuate at the temperature 20 lower than the SV.SVTemperatureTemperature 20 lower than the SV(4)(1) Calculating PID constant(2) PID constant calculated(3) Controlled by the PID constantset by auto-tuning.(4) AT bias valueAT starting pointTime(1) (2) (3)(Fig. 10-1)[2] When the control is stable or when control temperature is within 20 of the SVThe AT process will fluctuate around the SV.SVTemperatureAT starting pointTime(1) Calculating PID constant(2) PID constant calculated(3) Controlled by the PID constantset by auto-tuning.(1) (2) (3)(Fig. 10-2)[3] In the case of a large difference between the SV and processing temperature as thetemperature is fallingWhen AT bias is set to 20 , the AT process will fluctuate at the temperature 20 higher than the SV.Temperature 20 higher than the SVTemperatureSV(4)(1) Calculating PID constant(2) PID constant calculated(3) Controlled by the PID constantset by auto-tuning.(4) AT bias valueAT starting pointTime(1) (2) (3)(Fig. 10-3)16
11. Action explanation11.1 OUT1 actionReverse (Heating) actionDirect (Cooling) actionControlactionONOFFProportional bandProportional bandONOFFSV settingSV settingRelay contactoutput787878787878Non-contactvoltage outputDC currentoutputCycle action is performed according to deviation Cycle action is performed according to deviation+ 7 + 7 + 7 + 7 + 7 + 712V DC 12/0V DC 0V DC0V DC 0/12V DC 12V DC888888Cycle action is performed according to deviation Cycle action is performed according to deviation+ 7 + 7 + 7 + 7 + 7 + 720mA DC 20 to 4mA DC 4mA DC 4mA DC 4 to 20mA DC 20mA DC888888Indicator(O1) GreenChanges continuously according to deviationLitUnlitChanges continuously according to deviationUnlitLitAlternates between ON and OFF.11.2 OUT1 ON/OFF actionReverse (Heating) actionHysteresisDirect (Cooling) actionHysteresisControlactionONONOFFOFFSV settingSV settingRelay contactoutput78787878Non-contactvoltage output+712V DC8+70V DC8+70V DC8+712V DC8DC currentoutput+ 7+20mA DC874mA DC8+74mA DC8+ 720mA DC8Indicator(O1) GreenLitUnlitUnlitLitActs either ON or OFF.11.3 Heater burnout alarm actionAlarm actionONOFFSmallSettingLoad currentLargeOutputIndicator1756Lit56UnlitIf Heater burnout alarmand Alarm 2 (A2) optionare applied together,they utilize commonoutput (EV2) terminals.
Page 1 and 2: INSTRUCTION MANUALMicro-computer ba
Page 3 and 4: 1. Model1.1 ModelACS - 1 3 , Series
Page 5: GasketMounting frame(Fig.3.4-1)4. W
Page 8 and 9: E -200 to 800 E -320 to 1500T -200.
Page 10 and 11: AT bias setting 20• Sets bias val
Page 12 and 13: 7. Settings7.1 Main setting modeTo
Page 14 and 15: Sensor correction setting 0.0• Se
Page 18 and 19: 11.4 Alarm actionHigh limit alarmA1
Page 20 and 21: 12. Specifications12.1 Standard spe
Page 22 and 23: [Indication range and Control range
Page 24: The PV display keeps indicatingthe

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