PXR3 Instruction Manual - Coulton Instrumentation

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Canceling the alarm latch (Setting range: 0/1) (Option)[Description]• This parameter cancels the alarm latch when it is latching. Related parameters:to (page 54)[Setting example] Opening up the alarm latchDisplayOperating procedurePV indication1.2.3.4.Press and hold the SEL key for one second.will be displayed.Press the key to display .Press the SEL key once.The current setting ( ) is displayed.Pressing the or keys to flicker and to display .SV indication5.6.Press theSEL key once.(Repeat the procedure from 3 to 5 to check the set value.)If you want to display the operation status, press and hold theThe SV is displayed on the display area.SEL key for two seconds.PV indicationIf unoperated state continues, the PV will be displayed.15
Auto-tuning function (Settings: 0/1/2)[Description][Note]If the controller is powered off during auto-tuning, thismakes the auto-tuning ineffective with each parameterof , , and unchanged. To start the auto-tuningoperation, set to “1” or “2” again.• To suspend the auto-tuning, set to “0”. This makesthe auto-tuning cancel with each parameter of , , andunchanged.• Once the parameters of , , and are set automaticallyby the auto-tuning, those parameters are stored in thecontroller even after it is powered off. Therefore, it is notnecessary to execute the auto-tuning again.• By setting to “1” or “2” , the auto-tuning operationstarts, and at the end of the tuning, will be displayedautomatically to .• After the auto-tuning operation, the controller starts tooperate at the automatically set values of , , and .• A decimal point at the right end of the SV display flashesduring auto-tuning.• There are two codes for AT:Setting code [1]: SV standard typePerforms the auto-tuning based on the SV.Setting code [2]: Low PV typePerforms the auto-tuning based on theSV-10%FS.[Note]Since ON/OFF control is performed during auto-tuning,overshoot against the SV may occur. To reducethe overshoot, execute the auto-tuning operation withthe setting code [2] (Low PV) selected.• The auto-tuning can be executed both just after power-onand in a control or stable status.Related parameters:(page 20)(page 21)(page 22)(page 26)(page 24)[Setting example] Setting the auto-tuning operation to 1DisplayPV indicationPV indicationSV indicationPV indication1.2.3.4.5.6.7.Press and hold the SEL key for one second.will be displayed.Press the key to display .Press the SEL key once.The current setting ( ) is displayed.Operating procedurePress the or keys to flicker the display and to display .Press the SEL key once. is displayed and the auto-tuning will start. During auto-tuning,a decimal point at the first digit from the right end of the display flickers.(Repeat the procedure from 3 to 5 to check the set value.)When the auto-tuning finishes properly, a decimal point stops flashing, and the set values of , ,and parameters change. When the auto-tuning finishes abnormally, a decimal point stops flashing,but the set values of , , and parameters remain unchanged.If you want to display the operation status, press and hold the SEL key for two seconds.The SV is displayed on the display area.If unoperated state continues, the PV will be displayed.16
Page 1 and 2: Instruction ManualMicro-controller
Page 3 and 4: Safety PrecautionsBefore using this
Page 5 and 6: • If there is a danger of a serio
Page 7 and 8: Standard : Vertical mounting, flush
Page 9 and 10: IndexConfirming type specificationI
Page 11 and 12: 2 WiringTerminal Connection Diagram
Page 13 and 14: 4 Display and operationStandby mode
Page 15 and 16: Operation/Standby modeSV indication
Page 17 and 18: 6 Functions6-1 ON/OFF control• At
Page 19 and 20: 6-3 Self-tuning1) At power on, chan
Page 21 and 22: 6-4 Alarm function (option)1) Kinds
Page 23 and 24: 6-5 Ramp/soak function [option]1. F
Page 25 and 26: 6-7 Digital input (DI function) [op
Page 27 and 28: 6-9 Retransmission function [option
Page 29 and 30: 2Setting ofthe algorithm* Read if t
Page 31 and 32: [Table 1] Input type codeParameter
Page 33 and 34: [Table 4] Control output action mod
Page 35 and 36: SpecificationPower voltage:100 (-15
Page 37 and 38: Table of Contents1 Part Names and F
Page 39 and 40: PXRdigit Specification Note45678910
Page 41 and 42: 2 OperationsThis chapter explains h
Page 43 and 44: Parameterdisplay symbolParameter na
Page 45 and 46: Parameterdisplay symbolParameter na
Page 47 and 48: 2-3 Parameter functions and method
Page 49: Ramp-soak control (Settings: oFF/rU
Page 53 and 54: Setting alarm 1 and 2Upper limit of
Page 55 and 56: w Second block parametersProportion
Page 57 and 58: Derivative time (Setting range: 0.0
Page 59 and 60: Cooling-side proportional band coef
Page 61 and 62: Output offset value (Setting range:
Page 63 and 64: [Self-tuning]1 Function:With the se
Page 65 and 66: 7 Reference [About the self-tuning
Page 67 and 68: HYS (Hysteresis) mode at ON/OFF con
Page 69 and 70: Cycle time of control output 2 (Coo
Page 71 and 72: Setting lower limit of the measurin
Page 73 and 74: Decimal point position (Settings: 0
Page 75 and 76: SV offset (Setting range: -50 to 50
Page 77 and 78: , Alarm types (Setting range: 0 to
Page 79 and 80: • Alarm codes with dual set value
Page 81 and 82: Ramp-soak status display (Display o
Page 83 and 84: • The segment in which both the r
Page 85 and 86: SV (Setting value) lower limiter (S
Page 87 and 88: [Setting example] Setting the delay
Page 89 and 90: , Options of alarm 1 and 2 (Setting
Page 91 and 92: [Description], Upper and lower limi
Page 93 and 94: , Output value display (Display onl
Page 95 and 96: Adjusting the PV (Measured value) d
Page 97 and 98: Starting the auto-tuning (DI functi
Page 99 and 100: Station No. for communication (Sett
Page 101 and 102:
Input type for PYP (Setting range:
Page 103 and 104:
Retransmission base scale (Setting
Page 105 and 106:
3 TroubleshootingThis section expla
Page 107 and 108:
Index72AAdjusting the PV display (0
Page 109:
Safety Precaution● Before using t
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PXR3 Instruction Manual - Coulton Instrumentation

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