Novus N2020 Instruction Manual Download Page 7

N2020 Controller  

NOVUS AUTOMATION 

7/7 

SPECIFICATIONS 

DIMENSIONS

: ................................................. 

48 x 96 x 92 mm (1/8 DIN)

 

Approximate:......................................................................... 180 g 

POWER SUPPLY

: .........................100 to 240 Vac (± 10 %), 50/60 Hz 

   ................................................................... 48 to 240 Vdc (±10 %) 
  Maximum consumption: .........................................................  6 VA 

ENVIRONMENTAL CONDITIONS

Operation Temperature: ...............................................  0 to 50 °C 
Relative Humidity: ................................................... 80 % @ 30 °C 
For temperatures above 30 °C, reduce 3 % for each °C 
Internal use; Category of installation II, Degree pollution 2; 

altitude < 2000 meters 

INPUT

 .......... Thermocouples 

J

K

T

 and 

Pt100

 (according 

Table 01

Internal Resolution: ...................................... 32767 levels (15 bits) 
Resolution of Display: ............ 12000 levels (de -1999 up to 9999) 
Rate of input reading: .........................................up 20 per second 
Accuracy:  .. (*) Thermocouples 

J

K

T

: 0.25 % of the span 

±

1 °C 

 ................................................................ Pt100: 0.2 % of the span

 

Input Impedance: .................. Pt100 and thermocouples: > 10 M

 

Measurement of Pt100: ......................... 3-wire type, (

α

=0.00385) 

With compensation for cable length, excitation current of 

0.170 mA. 

OUT1

: ......................................................... Voltage pulse, 5 V / 25 mA 

OUT2

: ..................... Relay SPST; 1.5 A (Resistive) / 240 Vac / 30 Vdc 

OUT3

: ..................... Relay SPST; 1.5 A (Resistive) / 240 Vac / 30 Vdc 

OUT4

: ............................. 0-20 / 4-20 mA / 500 

 max. / 12.000 levels 

FRONT PANEL

:

 

 ......................... IP65, Polycarbonate (PC) UL94 V-2

 

ENCLOSURE

: .............................................. IP30, ABS+PC UL94 V-0 

ELECTROMAGNETIC COMPATIBILITY

: ............... EN 61326-1:1997  

and EN 61326-1/A1:1998 

SAFETY

: .......................... EN61010-1:1993 and EN61010-1/A2:1995 

SPECIFIC CONNECTIONS FOR TYPE FORK TERMINALS 6.3 MM; 
PROGRAMABLE CICLO OF PWM OF 0.5 UP 100 SECONDS; 
STARTS UP OPERATION AFTER 3 SECONDS CONNECTED TO 

THE POWER SUPPLY. 

(*) When a thermocouple is used as a temperature sensor, 15-minutes 

minimum time for terminal accommodations shall be observed. 

SAFETY INFORMATION 

Any control system design should take into account that any part of the 

system has the potential to fail. This product is not a protection or 

safety device and its alarms are not intended to protect against product 

failures. Independent safety devices should be always provided if 

personnel or property are at risk. 
Product performance and specifications may be affected by its 

environment and installation. It’s user’s responsibility to assure 

proper grounding, shielding, cable routing and electrical noise 

filtering, in accordance with local regulations, EMC standards and 

good installation practices. 

SUPPORT AND MAINTENANCE 

This product contains no serviceable parts inside. Contact our local 

distributor in case you need authorized service. For troubleshooting, 

visit our FAQ at 

www.novusautomation.com

 

LIMITED WARRANTY AND  LIMITATION OF 

LIABILITY 

NOVUS warrants to the original purchaser that this product is free from 

defects in material and workmanship under normal use and service 

within one (1) year from the date of shipment from factory or from its 

official sales channel to the original purchaser.  
NOVUS liability under this warranty shall not in any case exceed the 

cost of correcting defects in the product or of supplying replacement 

product as herein provided and upon the expiration of the warranty 

period all such liability shall terminate. 
For complete information on warranty and liability limitations, check 

appropriate section in our web site: 

www.novusautomation.com

Summary of Contents for N2020

Page 1: ...r instrumentation It is strongly recommended to apply RC S FILTERS noise suppressor to contactor coils solenoids etc FEATURES INPUT TYPE SELECTION The input type to be used by the controller is defined in the equipment settings Table 01 shows the input options available for the user one of them must be selected during the controller setting TYPE CODE RANGE OF MEASUREMENT Thermocouple J Tc j Range ...

Page 2: ... control and also with the PID control with the automatic tuning resource ALARM OUTPUT The controller has two alarms which may be directed for any of the output channels These alarms can be configured to operate the different functions described on Table 02 off Alarms turned off lo Alarm of Absolute Minimum Value Triggers when the value of measured PV is below the value defined for alarm Setpoint ...

Page 3: ...This feature is disabed if the parameter is set to 0 zero PROGRAMS OF RAMP AND SOAK The controller allows the creation of one ramps and temperature soaks program This program is created from the values definition of SP and time intervals defining up to nine 9 program segments The figure below shows a program model with 9 segments Fig 04 Example of ramps and soaks program The program created is sto...

Page 4: ...e the MV value may be changed by the user To differ this screen from SP screen the MV value blinks constantly E pr Enable Program Selects the ramp and soak profile program to be executed no the program is not executed yes the program is executed With enabled outputs RvN YES the program starts right after the program is selected rvn RUN Function Enables control outputs and alarms YES Outputs enable...

Page 5: ... measured signal PV Adjustable between 0 and 20 In 0 zero it means filter turned off and 20 means maximum filter The higher the filter value the slower is the response of the measured value Dp po Decimal Point Determines the presentation of the decimal point vni t Unit Defines the temperature unit to be used Indication in Celsius f Indication in Fahrenheit 0ffs Offset Parameter that allows the use...

Page 6: ...roller serial number is displayed by pressing for 5 seconds DETERMINATION OF PID PARAMETERS Automatic tuning allows the controller to obtain P I D parameters proportional band full rate derivative time During the process of determining automatically the PID parameters the system is controlled in ON OFF in the programmed Setpoint The auto tuning process may take several minutes to be completed depe...

Page 7: ...ture sensor 15 minutes minimum time for terminal accommodations shall be observed SAFETY INFORMATION Any control system design should take into account that any part of the system has the potential to fail This product is not a protection or safety device and its alarms are not intended to protect against product failures Independent safety devices should be always provided if personnel or propert...

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