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dt 

d

erivative 

t

ime 

Derivative Time. Value of the 

D

 term of the PID control mode, in seconds. Adjustable between 0 and 300.0 seconds. 

This parameter is displayed if the 

Proportional Band

 is 

≠

 0. 

(

t

 

c

ycle 

t

ime 

PWM Cycle Time. Value in seconds of the PWM cycle period of the PID control. Adjustable between 0.5 and 100.0 seconds. 
This parameter is displayed if the 

Proportional Band

 is 

≠

 0. 

Hyst 

Hyst

eresis

 

Control hysteresis. Hysteresis value for Control ON/OFF mode. Adjustable between 0 and the measurement range width of the 

selected input type. 
This parameter is displayed only for Control ON/OFF mode (

Pb

 = 

0

). 

Act 

Act

ion

 

Control Logic. Only for Automatic control mode (

Ctr

 >> 

Auto

). 

Re

 – Reverse action control. Suitable for 

heating

. Turns on the control output when PV is below SP. 

Dir

 – Direct action control. Suitable for 

cooling

. Turns on the control output when PV is above SP. 

Sf.st 

S

of

t

 

S

tar

t

 

Soft Start function. Time interval (in seconds) during which the controller limits the control output rise rate (MV). Adjustable between 

0 and 9999 seconds. 
This parameter is displayed if the 

Proportional Band

 is 

≠

 0. 

bias 

Bias function. Allows you to change the percentage value of the control output (MV) by adding a value between -100 % and +100 

%. 
This parameter is displayed if the 

Proportional Band

 is 

≠

 0. 

Sp.LL 

S

et

p

oint 

L

ow 

L

imit

 

Allows you to set the lower limit to adjust the SP value. 
Allows you to set the minimum value of the PV indication range and limit the SP adjustment for the available 

linear analog inputs

 

(0-20 mA, 4-20 mA, 0-50 mV, 0-5 V and 0-10 V). 

Sp.HL 

S

et

p

oint 

H

igh 

L

imit

 

Allows you to set the upper limit to adjust the SP value. 
Allows you to set the maximum value of the PV indication range and limit the SP adjustment for the available 

linear analog 

inputs

 (0-20 mA, 4-20 mA, 0-50 mV, 0-5 V and 0-10 V). 

ouLL 

ou

tput 

L

ow  

L

imit 

Lower limit for the control output. Allows you to set the minimum percentage value of the control output when it is set in Automatic 

control mode (

Ctr

 >> 

Auto

) and in PID (parameter 

PB

 

≠

 

0

). Typically set to 0.0 %. 

ouHL 

ou

tput 

H

igh  

L

imit 

Upper limit for the control output. Allows you to set the maximum percentage value of the control output when it is set in Automatic 

control mode (

Ctr

 >> 

Auto

) and in PID (parameter 

PB

 

≠

 

0

). Typically set to 100.0 %. 

iE.ou 

i

nput 

Err

or 

ou

tput  

Output value (MV1) when the controller identifies an input error. 

Table 7 –

 

Control cycle 

 

 

Summary of Contents for N20K48

Page 1: ...MODULAR PROCESS CONTROLLER N20K48 USER GUIDE V1 0x ...

Page 2: ...ATION 14 4 2 3 1 INPUT ERROR TYPES 14 4 2 4 ALARM TIMER 15 4 2 5 CONTROL MODES 15 4 2 6 PID CONTROL MODE AND ON OFF CONTROL MODE 15 4 2 7 INITIAL ALARM BLOCK FUNCTION 15 4 2 8 SQUARE ROOT EXTRACTION FUNCTION 15 4 2 9 SOFT START FUNCTION 16 4 2 10 LOOP BREAK DETECTION LBD FUNCTION 17 4 2 11 SAFE OUTPUT FUNCTION IN CASE OF SENSOR FAILURE 17 4 2 12 TIMERS 17 4 3 PARAMETER DESCRIPTION 19 4 3 1 OPERATI...

Page 3: ... 1 ANALOG INPUT 38 7 3 2 2 DIGITAL OUTPUT 39 7 3 2 3 CONTROL 39 7 3 2 4 TUNING 40 7 3 2 5 ALARMS 41 7 3 2 6 RnS PROGRAMS 43 7 3 2 7 TIMER 44 7 3 2 8 PROTECTION 45 7 3 2 9 GENERAL 45 7 3 3 CYCLES 46 7 3 3 1 OPERATION 46 7 3 3 2 CONTROL 46 7 3 3 3 ALARMS 47 7 3 3 4 ANALOG INPUT 49 7 3 3 5 OUT A 50 7 3 3 6 OUT B 50 7 3 3 7 RnS PROGRAMS 51 7 3 3 8 TIMING 52 7 3 3 9 CALIBRATION 53 7 3 4 FAVORITE 53 8 M...

Page 4: ... installing and operating the device CAUTION OR HAZARD Risk of electric shock ATTENTION Material sensitive to static charge Check precautions before handling All safety recommendations appearing in this manual must be followed to ensure personal safety and prevent damage to the instrument or system If the instrument is used in a manner other than that specified in this manual the device s safety p...

Page 5: ...s to the controller in an easy and quick way No screws are required N20K48 Modular Controller dock and ClickNGo modules are separate products and must be ordered individually The image below shows the elements available in the modularity model adopted by N20K48 Modular Controller N20K48 Modular Controller 2 1 CONTROLLER N20K48 Modular Controller is a complete and autonomous device It can control s...

Page 6: ... 2 3 DOCK Once attached to the back of the N20K48 Modular Controller the dock allows you to attach electronic modules to the device see CLICKNGO MODULES section It connects electrically to the controller and conducts the electrical control and power supply signals to the electronic modules Accessory dock The dock is designed to hold up to 8 ClickNGo modules Size 1 modules use 1 slot in the dock an...

Page 7: ...NOVUS AUTOMATION 7 57 You can combine modules of different sizes if you observe the possible positions for the size 2 modules as shown in the examples below Modules attached to the dock ...

Page 8: ...ach the terminal blocks from the device to make the electrical connections Before you connect them make sure you have made the correct connections 3 1 1 POWER SUPPLY CONNECTIONS 100 240 Vac dc Model 24 Vdc ac Model 3 1 2 INPUT CONNECTIONS Thermocouples Figure 10 shows the connection mode for thermocouple sensors If you need to extend the thermocouple wires use appropriate compensating cables 50 mV...

Page 9: ...vice simply press it down until you hear it click into place To remove it we recommend using a screwdriver which can help you release the side locks without damaging the product 3 4 HOW TO ATTACH A MODULE TO THE DOCK Once you have attached the dock to your device as shown in the DOCK section of this chapter you can add one or more ClickNGo modules to it To do so simply insert the module into the d...

Page 10: ...owing dimensions Dimensions 3 5 1 DIMENSIONS WITH THE DOCK After you connect the dock to the back of the device N20K48 Modular Controller will have the following dimensions Device dimensions with the dock The dock has the following dimensions Device dimensions without the dock ...

Page 11: ...g MAN Flag Indicates that the controller is in Manual Control mode CTR MAN STOP Flag Indicates that the control is disabled RUN No That is the device is not in operation RUN Flag Indicates that the control is enabled RUN YES That is the device it is in operation OUT1 and OUT2 Flags Indicates the condition of outputs A and B TUNE Flag Indicates that an Auto tuning process is in progress A1 A2 A3 an...

Page 12: ...t Output A Output B Modules 1 to 8 Programs Timer and Calibration N20K48 Cycles To navigate between cycles as shown in the figure above you must press the key for three seconds Once in the desired cycle simply click the key until you find the parameter that you want to configure You must use the or keys to change the condition value of the desired parameter In either case the key allows you to go ...

Page 13: ...ou can see the specific information of each module in its respective datasheet available on the device web page Before inserting or removing a ClickNGo module to the dock please verify that the device is turned off 4 2 FEATURES This section introduces the N20K48 Modular Controller features To learn more about each parameter see PARAMETER DESCRIPTION section 4 2 1 ANALOG INPUT CONFIGURATION This is...

Page 14: ...he term SPAn refers to the following Alarm Setpoints SP A1 SP A2 SP A3 and SP A4 Alarms configured with Hi Dif and Dif H functions also trigger the related output when the controller identifies a sensor failure A relay output for example configured to behave as a Maximum Alarm Hi will act when the SPAL value is exceeded and when the sensor connected to the controller input breaks If no control out...

Page 15: ...s It is based on the parameters set SP PID etc In Manual mode Ctr MAN you need to set this value 4 2 6 PID CONTROL MODE AND ON OFF CONTROL MODE The Automatic control mode Ctr auto has 2 control strategies PID control and ON OFF control In PID control mode the PID control action is based on a control algorithm that acts on the deviation of the PV value from the SP value and based on the set Pb Ir a...

Page 16: ...terval in seconds limits the rise in the percentage of power delivered to the load It will only reach 100 of the power at the end of this interval This function is normally used in processes that require a slow start where applying 100 power to the load instantaneously can damage parts of the process Available only when in PID control mode see PID CONTROL MODE AND ON OFF CONTROL MODE section ...

Page 17: ...me base will be in HH MM hours and minutes or in MM SS minutes and seconds The parameter T RUN allows the process control to be disabled at the end of the timers The flags T1 and T2 are displayed on the front of the controller and refer to the status of the T1 and T2 timers see DISPLAY INFORMATION section T1 TIMER T1 is the main timer You can define its operation by setting 2 parameters t str Time...

Page 18: ...s at the end of T1 It can also be linked to any output available in the controller The linked output turns on at the beginning of T2 and turns off at the end of T2 The T2 flag indicates the T2 timer condition see DISPLAY INFORMATION section T2 in progress The T2 flag is flashing T2 not started or already ended The T2 flag is off TIMING DIRECTION The time counting of the 2 timers T1 and T2 can occu...

Page 19: ...ic control mode MaN Manual control mode Bumpless transfer between automatic and manual You must set the parameter Enable Control Function Ctr E of the Calibration Cycle CALIB to yes or no to display this parameter in the Operation Cycle PV Indication White display MV Indication Green Display MV Value The upper display indicates the value of PV The lower display indicates the percentage value appli...

Page 20: ...nctions This parameter is not used for other alarm functions You must set the parameter for the desired Alarm Setpoint E SPA1 E SPA2 E SPA3 or E SPA4 of the Alarm Cycle ALM to yes or no to display the Alarm Setpoint parameters in the Operation Cycle p seg Program Segment Indicative screen only When a program is running displays the number of the running segment of this same program t seg Time Segm...

Page 21: ...Precise auto tuning seLf Precise auto adaptive tuning rsLf Forces a new precise auto adaptive auto tuning TGHt Forces a new precise auto tuning when RUN YES or when the controller is on pb Proportional Band Proportional Band Value of the P term of the PID control mode in percent of the input type maximum range Adjustable between 0 and 500 0 When set to 0 0 zero determines the ON OFF control mode i...

Page 22: ...e Proportional Band is 0 bias Bias function Allows you to change the percentage value of the control output MV by adding a value between 100 and 100 This parameter is displayed if the Proportional Band is 0 Sp LL Setpoint Low Limit Allows you to set the lower limit to adjust the SP value Allows you to set the minimum value of the PV indication range and limit the SP adjustment for the available li...

Page 23: ...l Minimum differential value alarm DIF H Maximum differential value alarm i Err Open sensor alarm rS Event alarm End t End of Ramp Lbd Loop Break Detection See table in ALARM CONFIGURATION section Sp a1 Sp a2 Sp a3 Sp a4 Setpoint Alarm Alarm SP Allows you to define the actuation point for alarms programmed with Lo or Hi functions This parameter defines the deviation of alarms programmed with Diffe...

Page 24: ...V to react to the control output command The value 0 zero disables the function Available only for the Loop Break Detection Alarm LBD function See LOOP BREAK DETECTION LBD FUNCTION section T1 a1 T1 a2 T1 a3 T1 a4 Time t1 Alarm Allows you to define the time interval of T1 to trigger the alarms In seconds The value 0 zero disables the function T2 a1 T2 a2 T2 a3 T2 a4 Time t2 Alarm Allows you to defi...

Page 25: ...define the decimal point position in SP and PV values 0 No decimal places 0 0 One decimal place When configuring the input parameter TYPE with temperature sensors J K Pt10 etc in addition to the integer part of the measurement only decimal values XXX X will be displayed For linear signals mA mV V this parameter determines the decimal point position of the measured value XXXX XXX X XX XX X XXX IN L...

Page 26: ...ill act as alarm output 4 T1 Output will act as timer output 1 T2 Output will act as timer output 2 M Coil Output will act as a Modbus Coil command for connection to the Modbus TCP protocol Table 10 Output A Cycle 4 3 6 OUTPUT B CYCLE CFG out B This is the Output B Cycle Output B cycle Fu oB Function output B Allows you to define the output B function oFF No function MV1 Output will act as control...

Page 27: ... the software and application configuration screens You can see the configuration information for each module in their respective datasheets available at NOVUS web page Md 1 Module 1 function Only displayed if a ClickNGo module is in this slot Md 2 Module 2 function Only displayed if a ClickNGo module is in this slot Md 3 Module 3 function Only displayed if a ClickNGo module is in this slot Md 4 M...

Page 28: ...llows you to define the program type NONE Does not use any program RAte Ramp and soak PROG Ramp and soak programs rATE Rate Allows you to set the Setpoint evolution rate in degrees per minute Available only for Ramp and Soak mode RAte T SP Time Setpoint Allows you to set the time for a soak following the initial ramp Available only for Ramp and Soak mode RAte Pr tb Program time base Program time b...

Page 29: ...e value 0 zero disables the function and the program progresses regardless of the difference between SP and PV Psp0 Psp9 Program SP Program SPs 0 to 9 Set of 10 SP values that define the profile of the Ramps and Soaks program Pt1 Pt9 Program time Time of the program segments 1 to 9 Allows you to define the duration in seconds or minutes as set in parameter Pr tb of each of the 9 program segments b...

Page 30: ...you to set the timer time base MM SS Time base in minutes seconds HH MM Time base in hours minutes T1 Timer 1 t1 time base Allows you to set a time base for timer 1 Range 00 00 to 99 59 HH MM or MM SS as set in parameter t tb T1 E Timer 1 Enabled If set to yes allows the Timer 1 parameter t1 to be displayed and set in the Operation Cycle See OPERATION CYCLE section t end Timer End Allows you to se...

Page 31: ...rature control will be disabled at the end of the timer RUN No Table 14 Timer cycle 4 3 10 CALIBRATION CYCLE CFG CaLib This is the Calibration Cycle Calibration cycle The inputs and outputs are factory calibrated If necessary recalibration must be performed by a specialized professional If you access this cycle by accident just go through all the parameters avoiding changing their values ...

Page 32: ...FREQ Frequency Allows you to set the mains frequency 50 Hz or 60 Hz CTr E Control Enabled If set to yes allows the Control parameter Ctr to be displayed and set in the Operation Cycle See OPERATION CYCLE section PRG E Program Enabled If set to yes allows the Programs parameter PRG to be displayed and set in the Operation Cycle See OPERATION CYCLE section RUN E Run Enabled It set to yes allows the ...

Page 33: ...ng multiple passwords to get the right one Once the controller has identified the entry of 5 invalid passwords in sequence it will not allow you to make further attempts for 10 minutes 4 4 3 MASTER PASSWORD If you have forgotten your password you can use the Master Password feature It is composed by the last three digits of the controller serial number plus the number 9000 The master password for ...

Page 34: ...ed 5 1 PROGRAM LINK You can create a large more complex program with up to 180 segments by linking 20 programs Thus at the end of a program the controller will immediately start executing another one as configured in the Link Programs LP parameter present in Configuration Cfg Programs PROG cycle You can connect a program to itself or the last program to the first program so that the device runs a ...

Page 35: ...auto tuning process only once returning to oFF mode after it is finished In this mode the tuning will be completed in less time but will not be as precise as in FULL mode FULL This mode performs the same process as FAST mode although the tuning is more precise and slower resulting in better PID control performance SELF The process performance is monitored and auto adaptive tuning will start whenev...

Page 36: ... tuning will also depend on the cycle time set If the tuning process does not result in satisfactory control the table below presents guidelines on how to correct the process behavior PARAMETER VERIFIED PROBLEM SOLUTION Proportional Band Slow response Decrease Great oscillation Increase Integral Rate Slow response Increase Great oscillation Decrease Derivative Time Slow response or instability Dec...

Page 37: ...t 7 3 CONFIGURING THE DEVICE WITH QUICKTUNE You can configure your N20K48 Modular Controller by clicking the Read Device button located on the QuickTune software home screen Windows and the QuickTune Mobile app home screen Android or iOS The following sections describe each of the configurable parameters 7 3 1 BASIC This screen allows you to configure the main parameters of the controller QuickTun...

Page 38: ...you to define the sensor type of the main input see ANALOG INPUT CONFIGURATION section Temperature Unit Allows you to define the temperature unit to be used Celsius or Fahrenheit Decimal Places Allows you to define the number of decimal places to be used when displaying SP and PV values No decimal places or One decimal place Main input digital filter Allows you to define a filter for the main inpu...

Page 39: ...g Reverse which turns on the control output when the PV is below SP or Cooling Direct which turns on the control output when the PV is above SP Available only for Automatic control mode Control Hysteresis Allows you to define a hysteresis value for ON OFF control mode To define an ON OFF control mode the Proportional Band parameter of the Tuning tab must be set to 0 0 Adjustable between 0 and the ...

Page 40: ...ntrol mode as a percentage of the input type maximum range When set to 0 0 determines the ON OFF control mode Range 0 500 Integral Rate Allows you to define the integral rate It refers to the I value of the PID control mode in repetitions per minute Reset Available only when the Proportional Band parameter is 0 Range 0 99 99 in seconds Derivative Time Allows you to define the derivative time It re...

Page 41: ...al Blocking Allows you to define whether there will be an initial block of alarm 1 see ALARM INITIAL BLOCK FUNCTION section Alarm 1 Hysteresis Allows you to define a hysteresis value for Alarm 1 T1 of Alarm 1 Allows you to define a timer interval for the activation of Alarm 1 Range 0 5999 in seconds T2 of Alarm 1 Allows you to define a second timer interval for the activation of Alarm 1 Range 0 59...

Page 42: ...arm 1 Range According to the minimum and maximum SP limits configured Alarm 1 Initial Blocking Allows you to define whether there will be an initial block of alarm 1 see ALARM INITIAL BLOCK FUNCTION section Alarm 1 Hysteresis Allows you to define a hysteresis value for Alarm 1 T1 of Alarm 1 Allows you to define a time interval for triggering Alarm 1 Range 0 5999 in seconds T2 of Alarm 1 Allows you...

Page 43: ...am Tolerance Allows you to define the maximum deviation to be allowed between the program PV and SP If exceeded the program is suspended stops counting time until the deviation is within the tolerance set in this parameter If set to 0 the program progresses regardless of the difference between PV and SP Program Setpoint 0 9 Allows you to define a Setpoint for the configured program From Setpoint 1...

Page 44: ...me base Allows you to define the timer time base Minutes Seconds or Hours Minutes Time of timer 1 Allows you to define the timer 1 time Range 99 59 in minutes or 0 to 9999 in seconds as configured in the Timer Time Base parameter Displays timer 1 edit screen in the Operation Cycle If enabled the timer 1 editing screen will be displayed in the Operation Cycle of the device Criterion for ending the ...

Page 45: ...obile General tab Frequency of the power grid Allows you to define the mains frequency 50 or 60 Hz Displays Auto Man selection screen on Operation Cycle If enabled the Automatic Manual Control Mode selection screen will be displayed in the Operation Cycle of the device Displays the program selection screen to run on Main Cycle If enabled the selection screen of the program to be executed will be d...

Page 46: ...de of the device Manual or Automatic see CONTROL MODES section 7 3 3 2 CONTROL This tab groups the parameters related to the Control Cycle CFG CtRL of the device see CONTROL CYCLE section QuickTune QuickTune Mobile Control tab Auto Tuning Allows you to define the auto tuning mode Off Fast tuning Precise tuning Precise and auto adaptative tuning New precise and auto adaptative tuning New precise an...

Page 47: ...n Allows you to define alarm 1 function Off Minimum Maximum Differential Minimum Differential Maximum Differential Open Sensor Ramps and Soaks Event End of Soak or Open Loop see ALARM CONFIGURATION section Alarm 2 Function Allows you to define alarm 2 function Off Minimum Maximum Differential Minimum Differential Maximum Differential Open Sensor Ramps and Soaks Event End of Soak or Open Loop see A...

Page 48: ...define a hysteresis value for Alarm 1 T1 of Alarm 1 Allows you to define a time interval for triggering Alarm 1 Range 0 5999 in seconds T2 of Alarm 1 Allows you to define a second time interval for triggering Alarm 1 Range 0 5999 in seconds Displays SPA1 in the Operation Cycle Allows you to define whether the Alarm 1 SPA1 will be displayed in the Operation Cycle of the device Flash in Alarm 1 Allo...

Page 49: ...input cycle Sensor type of the main input Allows you to define the sensor type of the main input see ANALOG INPUT CONFIGURATION section Main input digital filter Allows you to define a filter for the main input Used to improve the stability of the measured signal PV Adjustable between 0 and 999 9 At 0 it means that the filter is off At 999 9 it means the filter is at maximum The larger the filter ...

Page 50: ...Control Output 2 Alarm 1 Alarm 2 Alarm 3 Alarm 4 Timer 1 Timer 2 or Modbus Coil see OUTPUT CONFIGURATION section 7 3 3 6 OUT B This tab groups the parameters related to the Output B Cycle CFG out b of the device see OUTPUT B CYCLE section QuickTune QuickTune Mobile OUT B cycle OUT B Function Allows you to define out B output function Off Control Output 1 Control Output 2 Alarm 1 Alarm 2 Alarm 3 Al...

Page 51: ...MS chapter Program Tolerance Allows you to define the maximum deviation to be allowed between the program PV and SP If exceeded the program is suspended stops counting time until the deviation is within the tolerance set in this parameter If set to 0 the program progresses regardless of the difference between PV and SP Program Setpoint 0 9 Allows you to define a setpoint for the configured program...

Page 52: ...ckward DN Timer time base Allows you to define the timer time base Minutes Seconds or Hours Minutes Time of timer 1 Allows you to define the timer 1 time Range 99 59 in minutes or 0 to 9999 in seconds as configured in the Timer Time Base parameter Displays timer 1 edit screen in the Operation Cycle If enabled the timer 1 editing screen will be displayed in the Operation Cycle of the device Criteri...

Page 53: ...N PROTECTION section Frequency of the power grid Allows you to define the mains frequency 50 or 60 Hz Displays Auto Man selection screen on Operation Cycle If enabled the Automatic Manual Control Mode selection screen will be displayed in the Operation Cycle of the device Displays the program selection screen to run on Main Cycle If enabled the selection screen of the program to be executed will b...

Page 54: ...alibrate an input proceed as follows In the Sensor Type TYPE parameter present in the Configuration Cfg Input IN cycle set the type of input to be calibrated In parameters IN LL and IN HL of the Input Cycle CFG IN use the and keys to program the lower and upper display limits for the limits of the selected input type Parameters shown only for linear inputs Apply to the input terminals a signal cor...

Page 55: ...100 Measurement 3 wire type α 0 00385 With cable length compensation and 0 170 mA excitation current All input and output types are factory calibrated The thermocouples are in accordance with NBR 12771 99 and RTDs NBR 13773 97 standards Control Output Voltage pulse for SSR OUT A 5 V maximum 20 mA SPST NO Relay OUT B 3 A 240 Vac general use Communication Interfaces USB 2 0 Interface Bluetooth Low E...

Page 56: ...s These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Any changes or modifications not expressly approved by ...

Page 57: ...NOVUS AUTOMATION 57 57 10 WARRANTY Warranty conditions are available on our website www novusautomation com warranty ...

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