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Cooling-side proportional band shift (Dead band/Overlap band)

(Option: Available for DUAL output only) (Setting range: -50.0 to +50.0)

[Description]

• This parameter is used for shifting the cooling-side pro-

portional band from the set value. (See the figure below.)

[Setting example] Shifting the cooling-side proportional band by 2.0

Press and hold the

SEL

key for three seconds.

will be displayed on the PV display.

Press the

key to display

Press the

SEL

key once.

The current setting (

) flashes on the SV display.

Press the

keys to display

Press the

SEL

key once.

will stop flashing and will be registered for

. After that, the

controller will operate with

being 2.0 %.

If you want to display the operation status, press and hold the

SEL

key for two seconds.

Operating procedure

Display

• Related parameters:

(page 24)

• When

is a positive value, it is called the “Dead band”,

and when it is a negative value, the “Overlap band”.

• Since the unit of

is same one used for MV [%], if you

want to set

in the unit of deviation [%],

must be

converted using the equation below.

Output

Heating side

Cooling side

Overlap
band

Dead
band

MV=50%

Ex) When making a dead band with a deviation of

1.0 [%] from the SV while the proportional
band (P) is 5.0%:

DB [%] = 1.0

= 20 [%]

100

5.0

100

DB [%] = Deviation

[%]

Consequently, set the parameter

to 20 [%].

www.

.com

[email protected]

1.800.561.8187

Содержание PXR4

Страница 1: ...Micro controller X Model PXR4 5 7 9 Operation Manual C1 C2 AL1 AL2 AL3 PV SV C PXR SEL ECNO 406f www com information itm com 1 800 561 8187...

Страница 2: ...g side proportional band coefficient 28 Cooling side proportional band shift Dead band Overlap band 29 Output offset value 30 Anti reset windup 30 Control algorithm 31 PV Measured value stable range 3...

Страница 3: ...Output limit types 63 Output value display 64 RCJ Cold junction compensation 65 Adjusting the PV Measured value display 0 66 Adjusting the PV Measured value display 100 66 DI1 2 Digital input 1 2 ope...

Страница 4: ...1 point 9 10 11 12 13 Digit Note 1 Note 2 Note 2 Note 2 Note 2 Note 3 Note 3 Note 3 Note 3 Note 3 Note 3 Note 3 Note 4 Note Note 1 Cannot be combined with heater break alarm 2 3 6 7 H cannot be speci...

Страница 5: ...us communication Digital input 1 point RS485 ASCII communication Digital input 1 point 9 10 11 12 13 Digit Note 1 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 3 Note Note 1 Cannot be combined...

Страница 6: ...heater break r PV Measured value display Displays the PV When setting a parameter its name appears t SV Setting value display Displays the SV When setting a parameter its value appears y SEL key Used...

Страница 7: ...allow the change of parameters Lower limit value of alarm 3 Sets the lower limit value at which alarm 3 is detected Set value of alarm 3 Sets the value at which alarm 3 is detected Upper limit value o...

Страница 8: ...th fuzzy logic SELF Runs PID control with self running 0 to 100 FS 2 FS oFF Starts the two position control at the values of SV HYS 2 and SV HYS 2 on Starts the two position control at the values of S...

Страница 9: ...segment time Sets the 8th soak segment time Selects the power on start repeat and standby functions for ramp soak operations 0 to 99h59m 0 00 Within the SV limit 0 FS 0 to 99h59m 0 00 0 to 99h59m 0 0...

Страница 10: ...pensation function to ON OFF Shifts the zero point of input value Shifts the span of input value Sets the DI1 operations Sets the DI2 operations Sets the station No for communication Sets the parity f...

Страница 11: ...fts the span point of input value Sets the filter constant of remote SV input value Displays remote SV input value Sets whether or not to display each parameter 0 Z ASCII 1 Modbus RTU Setting range 0...

Страница 12: ...the PXR C1 C2 AL1 AL2 AL3 PV SV C PXR SEL Just after power on PV SV displayed SEL SEL SEL approx 1 second Changes SV Not operated for 30 seconds approx 3 seconds approx 5 seconds Parameters of the fir...

Страница 13: ...y operation C1 C2 AL1 AL2 AL3 PV SV C PXR SEL Just after power on PV MV displayed C1 C2 AL1 AL2 AL3 PV SV C PXR SEL PV SV displayed SEL SEL SEL approx 1 second Changes MV Not operated for 30 seconds a...

Страница 14: ...ters of lower limit and upper limit of the third block cannot be set See page 54 Setting example Changing the SV from 250 C to 1195 C Press the or keys to display will be registered in the SV SV0 in t...

Страница 15: ...r self tuning is being done the tuning is forcibly terminated The PID parameter remains the same in such cases Manual operation output is not limited by MV limit Manual operation can be carried out du...

Страница 16: ...ill be displayed Then press the key once Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once The standby state for control is selec...

Страница 17: ...the operation is switched to remote To display the operation status press and hold the SEL key for two seconds Operating procedure Display 1 2 4 6 Set value Operation Performs local operation Performs...

Страница 18: ...hold the SEL key for one second will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press th...

Страница 19: ...for one second will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once wil...

Страница 20: ...ed on the SV Setting code 2 Low PV type Performs the auto tuning based on the SV 10 FS Note Since ON OFF control is performed during auto tun ing overshoot against the SV may occur To reduce the overs...

Страница 21: ...PV changes to the value of the temperature at which the alarm is set to OFF or if DI for the timer is set to OFF the counter is reset and the alarm relay is opened PV SV Remaining time seconds displa...

Страница 22: ...hold the SEL key for two seconds Operating procedure Display 1 2 3 4 5 6 Description These parameters are used to for settings of alarm 1 2 and 3 When the alarm type or is set to 0 to 15 alarms 1 2 an...

Страница 23: ...gs are changeable from the controller but unchangeable via communication All settings are unchangeable from the controller or via communication Only the SV is changeable from the controller but all se...

Страница 24: ...e PV display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After that the contr...

Страница 25: ...ineffec tive Press and hold the SEL key for three seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the o...

Страница 26: ...ng of ineffective Press and hold the SEL key for three seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press t...

Страница 27: ...sis range from 1 C to 35 C Press and hold the SEL key for three seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV displa...

Страница 28: ...L key for two seconds Operating procedure Display 1 2 3 4 5 6 Before setting the cooling side proportional band set the heating side proportional band to an optimum value To select the two position co...

Страница 29: ...lashing and will be registered for After that the controller will operate with being 2 0 If you want to display the operation status press and hold the SEL key for two seconds Operating procedure Disp...

Страница 30: ...three seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once wil...

Страница 31: ...Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After t...

Страница 32: ...t in the parameter of 1 r Power off the PXR t Power on the device to be controlled y Power on the PXR Tuning Control 2 To re start the self tuning If the device that is to be controlled has powered ON...

Страница 33: ...eter of 0 e During auto tuning operation r During ramp soak operation t Error display or is displayed y During dual output The set value of the parameter of is larger than 4 u When setting the paramet...

Страница 34: ...perations at power on and changing the SV and under unstable control q Operations at power on w Operations at changing the SV e Operation under unstable control PV SV Time During tuning PV SV Time Dur...

Страница 35: ...Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After th...

Страница 36: ...y for three seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the key to display Press the SEL key once wi...

Страница 37: ...Typical 30 seconds For SSR driving output Use in short cycles if there is no problem with the device to be controlled Typical 1 to 2 seconds Output ON Cycle time Cycle time Setting example Setting the...

Страница 38: ...urrent setting flashes on the SV display Press the or key to display Press the SEL key once will stop flashing and will be registered for After that the controller will operate with the cooling side c...

Страница 39: ...move the resistance of 250 as well as changing the code Note After changing the codes power off the PXR and then power it on again Code 1 2 3 4 5 6 7 8 12 13 16 Input signal Resistance bulb RTD Pt 100...

Страница 40: ...below Thermocouple R at 0 to 500 C Thermocouple B at 0 to 400 C Other kinds of thermocouples 0 5 FS 1 digit 1 C 150 300 500 600 100 200 600 850 400 800 400 800 1200 1600 1800 1600 200 400 800 800 1300...

Страница 41: ...L key once will stop flashing and will be registered for Press the key to display on the PV display Press the SEL key once The current setting flashes on the SV display Press the or key to display Pre...

Страница 42: ...lay Press the SEL key once The current setting flashes on the SV display Press the key to display Press the SEL key once will stop flashing and will be registered for After that the controller will op...

Страница 43: ...ed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or key to display Press the SEL key once will stop flashing and will be reg...

Страница 44: ...be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or key to display Press the SEL key once will stop flashing and...

Страница 45: ...0 seconds Setting example Changing the filter constant from 5 0 5 seconds to 10 0 10 seconds Press and hold the SEL key for three seconds will be displayed on the PV display Press the key to display...

Страница 46: ...tion types power the PXR off and then on Setting code 0 indicates No alarm Note Alarm set value and alarm operations Alarm set value AL Upper limit Lower limit Lower limit Upper limit Absolute value D...

Страница 47: ...rm 2 Alarm 3 Display symbol AL2 A2 L A2 H Display symbol AL3 A3 L A3 H Display symbol Screen name Screen name Screen name Absolute value alarm ALM1 0 1 2 3 4 5 6 7 8 9 10 PV PV ALn Alarm type No alarm...

Страница 48: ...t absolute value with hold ALM3 16 17 18 19 20 21 22 23 ALM2 16 17 18 19 20 21 22 23 Operation figure PV An L An H PV SV An L An H PV SV An L An H PV SV An H An L PV An L An H PV SV An L An H PV SV An...

Страница 49: ...on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the key to display Press the SEL key once will stop flashing and will be register...

Страница 50: ...e new setting to to to Parameters In order to execute these functions it is necessary to set the programs in advance To set the programs set the SV Setting value and time desired for the parameters sh...

Страница 51: ...ol Standby mode Standby mode Standby mode Standby mode Output at OFF Continuous control Continuous control Standby mode Standby mode Continuous control Continuous control Standby mode Standby mode Con...

Страница 52: ...100 50 TM1r TM1S TM3r TM3S SV 1 SV 2 PV TM1r TM1S TM2S TM3r SV 3 TM2r Pattern of the program Pattern that is affected by the SV limit function The segment in which both the ramp time and soak time are...

Страница 53: ...SEL key once will stop flashing and will be registered for After that the controller will operate with the Direct Upper limit for burn out output selected If you want to display the operation status p...

Страница 54: ...re not affected When the SV limiter is set during ramp soak operation or switching the SV with the DI1 function the SV SV0 that is set manually and the displayed SV are affected by the SV limiter So a...

Страница 55: ...be activated while the DI input is set to ON The relay is closed in the set time after DI input is set to OFF When the ON OFF delay timer is selected ALMn 34 the timer is activated while the DI input...

Страница 56: ...to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After that the contro...

Страница 57: ...of n 1 heaters When the thyristor SCR phase control system is used to control the heater the parameters of and can not be used Connect this to the heater Pass it through the hole of the CT Connect th...

Страница 58: ...l be registered for After that the controller will operate with detecting current of heater break being 9 0A If you want to display the operation status press and hold the SEL key for two seconds Oper...

Страница 59: ...AL1 A1hy ALM1 ALM2 AL2 A2hy ALM3 AL3 A3hy Setting example Changing the hysteresis of alarm 2 from 1 C to 3 C Press and hold the SEL key for five seconds will be displayed on the PV display Press the k...

Страница 60: ...rm types ALM1 2 or 3 to 0 Display Causes A break in the thermocouple sensor A break in the resistance bulb sensor RTD A The PV reading value exceeds the P SU by 5 FS or more A break in the resistance...

Страница 61: ...current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After that the controller will operate with the error statu...

Страница 62: ...he or keys to display Press the SEL key once will stop flashing and will be registered for After that the controller will operate with the output lower limit being 10 If you want to display the operat...

Страница 63: ...ontroller will operate with outputs 1 and 2 maintained within the upper and lower limits If you want to display the operation status press and hold the SEL key for two seconds Operating procedure Disp...

Страница 64: ...to the actual output Setting example Confirming the output value the calculated value of control output 1 Press and hold the SEL key for five seconds will be displayed on the PV display Press the key...

Страница 65: ...seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once will stop...

Страница 66: ...lay at input of 400 C 402 C Adjustment value Display at input of 0 C 0 C Display at input of 400 C 400 C 1 2 Adjustment example for input range of 0 to 400 C Setting the parameters of and to 0 re turn...

Страница 67: ...1 second However the SV No is not displayed during the ramp soak operation DI operation Setting range 0 to 12 Option Ramp soak operation RUN RESET DI function 12 The ramp soak operation is switched b...

Страница 68: ...tion DI functions 9 to 11 The DI can set the ON OFF of timer while codes 32 to 34 are set in Setting alarm types page 46 For the operation see page 46 DI function AT Standard AT Low PV AT start AT can...

Страница 69: ...ress and hold the key for five seconds will be displayed Press the or keys to flicker and to display Repeat the procedure from 3 to 5 to check the set value Press the key once The current setting will...

Страница 70: ...he SV display Press the or keys to display Press the SEL key once will stop flashing and will be registered for After that the controller will operate with the station number being 123 If you want to...

Страница 71: ...for five seconds will be displayed on the PV display Press the key to display Press the SEL key once The current setting flashes on the SV display Press the or keys to display Press the SEL key once w...

Страница 72: ...1 Modbus RTU protocol 0 Z ASCII protocol Related parameters page 70 page 71 Setting example Changing to Z ASCII protocol Press and hold the SEL key for 5 seconds will be displayed in the PV display se...

Страница 73: ...he display area If unoperated state continues the PV will be displayed Press the key once will be displayed and 1 SV retransmission will be registred for the retransmission output type After that the...

Страница 74: ...limit value of measurement range and P SU 400 upper limit value of measurement range So from the formula shown above A 100 C 0 or 300 C 0 B 400 0 400 1 Setting Ao L What position is 100 C in the temp...

Страница 75: ...sed to correct the deviation of remote SV input By setting 0 to the parameters the status at the time of delivery from the factory can be restored 1 To correct the deviation from zero point 0 input si...

Страница 76: ...of 5 0 seconds To display the operation status press and hold the SEL key for 2 seconds Operating procedure 1 2 3 4 5 6 Description This parameter is used to make the input signal fluctua tion range...

Страница 77: ...input adjustment is displayed as display value Setting example Checking the remote SV input value Press and hold the SEL key for 5 seconds will be displayed in the PV display section Press the key to...

Страница 78: ...stop flashing and will be registered for After that the parameters of and will be skipped and will not be displayed If you want to display the operation status press and hold the SEL key for two seco...

Страница 79: ...ayed 3 A decimal point has not been displayed 4 The SV or the set val ues of some parameters have been changed without any operation 5 ON OFF control Two posi tion control has not started 6 ON OFF con...

Страница 80: ...does not work properly 14 An excessive over shoot has occurred dur ing auto tuning opera tion 15 The self tuning does not work properly 16 The PV display disap peared Possible causes Input filter cons...

Страница 81: ...tion methods 7 Options of alarm 1 2 and 3 60 Output direction at input burn out 53 Output limit types 63 Output offset value 30 Overlap band 29 Parameter display mask 78 Parameter functions and method...

Страница 82: ...82 Memo www com information itm com 1 800 561 8187...

Страница 83: ...f equipment might occur we recommend the installation of inde pendent safety equipment with a separate temperature sensor to disable the heating circuit in case of overheating The controller alarm sig...

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