NOVUS N480 User Manual

Controller N480

TEMPE RAT URE CONTROLLER – OPERATION MANUAL – V2.6x

1. ASSEMBLY

The control ler should be inst alled in a panel cut out as speci fied in
item 2. 1. First rem ove the mounting clam p and insert the c ontroller
into the panel c ut out . P lace t he unit into t he panel c ut-out and sl ide
the mounting clamp from the rear to a fi rm grip at the panel.

The internal circ uitry can be f ully remov ed from t he housing without
disconnect ing any wiring. By us ing the thumb just press the tab in
the lower part of the f ront panel, grab firm ly the f ront panel and pull
out the circuitry from the housing.

1.1. ELECTRICAL CONNECTIONS
Figure 1 shows the electrical te rm i nal s of the cont rol ler.

RELAY OUTPUT

4-20m A O UTPUT

PULSE OUTPUT

CONTROL

OUTPUT

OR ALARME 1

SENSOR INPUT

2. SPECIFICATIONS

2.1. GENERAL

• Dimensions : 48x48x106mm (1/ 16 DIN).

• Panel cut-out : 45,5x45,5mm

• Weight: 140g (1 relay), 160g (3 relays)

• Power: 85 to 264Vdc/ac, 50/60Hz, 3VA max . Optional: 15

to 30Vdc/ac

• Operation: 0 to 55°C, hum i d i ty 20 to 85%

OUT-A

OUT-B

4-20mA

PULSE

1 2 3 4 5
13
14
15

7 8 9 10 11 12

Figure 1 - Electr ic al connections

AL2

POWER

AC/DC

85-264V

15-30V

6
16
17
18

ALARM 2

POWER

N480

2.5. TEMPERATURE SENSOR INPUT

• Pt100: 3-wire connection. E xcitation current: 170µA

• Thermocouple input i m pedance: 10MΩ

• A/D conv erter resolution: 15000 steps

• Sampling rate: 10 measurements per second

• Accuracy: 0.2% of full scale for Pt100 and 0.25% of full

scale ±1°C for T/C

Thermocouples are connec ted to term inals 8 and 9 with pos itive in
terminal 8.

Pt100 sensors are c onnect ed to t erminal s 7, 8 and 9, as indicated in
figure 1. For full c ompensation of cable resist ance only c ables with
equal wire electri cal resistance should be used.

Table 1 shows the sensor types accepted and their respective
codes. v i a keyboard.

TYPE CODE RANGE

J
K
S

Pt100 (Resolution 0,1°C)

Pt100 (Resolution 1°C)

T

E
N
R

Table 1 - Sensor types, codes and ranges

-50 to 760°C (-58 to 1400°F)

0000

-90 to 1370°C (-130 to 2498°F)

1111

0 to 1760°C (32 to 3200°F)

2222

-199.9 to 530.0°C (-199.9 to 986.0°F)

3333

-200 to 530°C (-328 to 986°F)

4444
5555

-100 to 400 °C (-148 to 752°F)

6666

-30 to 720°C (-22 to 1328°F)

7777

-90 to 1300°C (-130 to 2372°F)

8888

0 to 1760°C (32 to 3200°F)

3. CONFIGURATION AND OPERATION

Prior to firs t operation the c ontroller should be f ully conf igured. The
user mus t set bas ic parameters as temperature t ype (“TYPE
desired c ontrol s et poi nt (“ SP
“SPA2

SPA2”), etc.

SPA2SPA2

SP “), the alarm s s et poi nts (“ SPA1

SPSP

TYPE”), the

TYPETYPE

SPA1” and

SPA1SPA1

2.2. CONTROL OUTPUT

• Relay output: SPST (U type) relay. Maximum current
3A/250Vac.

• Voltage pulse output: 5Vdc/20m A

Both outputs are available in the basic model and the desired
main control output is user selected via keyboard (refer to “

Cntr

Cntr “ prompt ). The remaining output can then be us ed as an

CntrCntr

alarm output.

In case of sensor break or failure an error "Erro

Erro" message is

ErroErro

displayed and t he control output i s turned off.

2.3. ALARM OUTPUTS

• Alarm Output 1: SPST relay 3A/250Vac or 5Vdc/20mA
pulse

• Alarm Output 2: SPST relay 3A/250Vca (optional)

2.4. POWER
Mains power is connected to terminals 5 and 6. Chec k the upper

side of the housing for proper power indicati on.

3.1. PARAMETERS FLOW CHART
The programming parameters are organized in 4 different sets or

levels:

• Operation level

• Alarms and tuning level

• Configuration level

• Calibration level

At power up the c ontroller di splays a prompt at t he Operation Lev el
and remains in this level whil e under normal operation.

The other lev els are only acc ess ed when a c hange of parameters is
necessary (except for Set Point change). To reach these other
parameters the us er must keep the INDEX Key (

) pressed for
about three sec onds. Af ter this time t he control ler will show the first
parameter of the nex t level. By keeping the INDEX key pressed for
another 3 seconds the next level w ill be accessed.

Release the

to go to the next prom pt in the same level.

the

key when t he desi red lev el is reached. Pres s onc e

When a parameter is shown the displ ay will alternate its name and
value. The v alue can then be changed by pressing the

or

key.

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Controller N480

After the l ast paramet er in one lev el is reac hed the control ler returns
to operation level and the display will indicate the measured
temperature.

The display will also go back to the measured temperature whenever
the display is inacti ve for 20 seconds or m ore.

When a paramet er val ue is c hanged via key board the control ler will
only ac cept the new value af ter the us er presses the INDEX key t o
go to next prompt or if the keyboard is left inac tive for 20 seconds.

For disabl ing the keyboard, move the internal strap to the posit ion
KEY DISABLE. All parameters will be protected, accept the SP
parameter.

KEY
DISABLE

Figure 2 – St r ap in nor m al operating

position (enabled)

3.2. OPERATION LEVEL

TEMPERATURE

INDICATION

END

SP

Set Point

rAte

rAtE

T Sp

time for soak

Rvn

run

3.3. TUNING AND ALARMS LEVEL

Atvn

Auto tune

Pb

Proportional

band

Ir

integral rate

Dt

derivative

time

(t

Cycle time

KySt

HYSterisis

A1SP

SP Alarm 1

A2SP

SP Alarm 2

TEMPERATURE measured by the sensor.

At power up, the upper di splay shows the process
temperature value. It also shows the messages
described in c hapter 5 of this m anual .

The lower di splay s s hows the s et point v alue which
is the tem perature value desired f or the process.

TEMPE RATURE RATE OF RIS E: The us er defines
the rate of temperature rise from the starting
temperature to t he value set in “ SP
Rate is defi ned i n °C / minute.

TIME FOR SOAK: Time in minutes which the
temperature will remain at the selected “ SP
Refer to item 4.

RUN: At thi s prompt the user sets the c ontrol output
and alarms to ac tive or to inac tive.

0

0 - inactive outputs; 1111 - active outputs;

00

AUTO-TUNE: Activates the auto-tuning of PID
parameters.

0000 - Auto-tune is off;
1111 - Auto-tune is on;

PROPORTI ONAL BAND: percentage of maxim um
input span.

When set ot z ero (0), control acti on is ON/OFF.
INTEGRAL RATE: Integral time constant in

repetitions per minute (Res et). This const ant is not
used when controller is set to ON/OFF action
(Pb=0).

DERIVATIVE TIME: Derivative time constant in
seconds. This c onstant i s not used when controller
is set to ON/OFF action (Pb=0).

CYCLE TIME: Pulse Width Modulation (PWM)
period in seconds. This term is not used when
controller is set to ON/OFF action (Pb=0).

CONTROL HYSTERESIS: Is the hysteresis for
ON/OFF cont rol (set in temperat ure uni ts).

This param eter is only us ed when the controll er is
in ON/OFF mode (Pb=0).

SETPOINT for Alarm 1: Triping point for alarm 1

SETPOINT for Alarm 2: Triping point for alarm 2

Figura 3 – St r ap pos it ion for inhibiting the

KEY
DISABLE

keyboard

SP ”.

SPSP

SP “.

SPSP

3.4. CONFIGURATION LEVEL

INPUT TYPE: Selects the input sensor type t o be

Type

tYPE

Vnit

unit

A(t

ACtion

(ntr

Control

spll

SP Low Limit

spKl

SP High Limit

A1fv

Alarm 1 Function

A2fv

Alarm 2 Function

Aiky

A2ky

Alarm HYsteresis

3.5. CALIBRATION LEVEL

These parameters are used to calibrate the temperature
measurement and s hould only be dealt with by experienc ed and well
equipped personnel.

Inl(

Input Low

Calibration

InK(

Input High
Calibration

(j L

Cold Junction Low

Calibration

connected to the controller. This is the first
parameter to be set.

0

0 - Thermocouple type J;

00
1

1 - Thermocouple type K;

11
2

2 - Thermocouple type S;

22
3

3 - Pt100 with 0,1° resolution;

33
4

4 - Pt100 with 1° resolution;

44
5

5 - Thermocouple type T;

55
6

6 - Thermocouple type E;

66
7

7 - Termopar tipo N;

77
8

8 - Termopar tipo R;

88

TEMPERATURE UNIT: Selects display indication
for degrees Celsius or F arenhei t.

0

0 - degrees Celsius ( °C );

00
1

1 - degrees Farenheit ( °F );

11

CONTROL ACTIO N:

0

0 - reverse action. Generally used for heating.

00
1

1 - direct ac tion. Generally used for cooling.

11

CONTROL OUTP UT :

0

0 - Sets c ontrol output to terminals OUT A.

00
1

1 - Sets c ontrol output to terminals OUT B.

11

As control output is defined to terminals OUT A,
alarm output is automatic al l y set to OUT B.

If cont rol output is defined to OUT B alarm 1 will
then be automati cally set to OUT A.

SET POINT LOW LIMIT: sets t he lower range for
SV

SET POINT HIGH LIMIT

FUNCTION OF ALARM 1: Refer to table 2 for
function des cription and res pective codes to set at
this prompt.

FUNCTION OF ALARM 2: Refer to table 2 for
function des cription and res pective codes to set at
this prompt.

ALARM 1 AND ALARM 2 HYSTERESIS: Defines
the differential range between the PV value at
which t he alarm is turned on and the value at which
it is t urned off (in engineering units).

A T E N T I O N

SENSOR OFFSET CALIBRATION. Sets the

temperature sensor low calibration (offset). The
display shows only the correc ted temperature and
not the offset added. A signal simulat or should be
used to injec t a low value signal to properly adjust
the offset.

INPUT HI GH CALI BRATI ON. S ets the s ensor input
circuit gain or high cal i bration.

A signal simul ator should be used to inject a high
value signal to properl y adjust the offset.

COLD JUNCTION OFFSET CALIBRATION: Sets
the cold junction offset calibration. A good
thermometer or a temperature sim ulator should be
used to properly adj ust this param eter.

: Sets the upper range for SV.

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