APAR AR601 Manuale utente

User Manual

Temperature Controller

AR601

Version 3.1

2013.02.13

Thank you for choosing our product.

This user manual will help you with proper handling and safe

operation of the controller.

Before installation and first use please read this user manual with

understanding.

In case of additional questions please contact our technical advisor.

Table of contents

SAFETY PRECAUTIONS......................................................................

INSTALLATION INSTRUCTIONS.........................................................

AR601 CONTROLLER GENERAL CHARACTERISTICS...........................

TECHNICAL SPECIFICATIONS.............................................................

IMPORTANT USAGE INFORMATION.................................................

HOUSING AND INSTALLATION METHOD.........................................

TERMINAL STRIPS AND ELECTRICAL CONNECTIONS DESCRIPTION.

BUTTONS, DISPLAY AND LED DESCRIPTION.....................................

OUTPUT SETPOINT VALUE DISPLAY AND CHANGE..........................

10.

CONFIGURATION PARAMETERS SETUP............................................

11.

MESSAGES AND ERRORS LIST...........................................................

12.

ON-OFF CHARACTERISTICS TYPES....................................................

13.

PID REGULATION...............................................................................

14.

PID AUTOTUNING.............................................................................

15.

MANUAL PID PARAMETERS SELECTION...........................................

16.

PID PARAMETERS CORRECTION.......................................................

1. SAFETY PRECAUTIONS

Please read user manual carefully before using this product.

To avoid damage to the device, make sure that all wires have been connected properly before

turning on the device.

Ensure proper working conditions, according to the specification of the device (supply

voltage, humidity, temperature)

To avoid electric shock, before making any modifications to wiring connections, turn off the

power applied to the device.

2. INSTALLATION INSTRUCTIONS

This device was designed to provide an adequate level of resistance to most disturbances that may

occur in industrial environments. In environments with unknown noise level it is recommended to

use the following measures to prevent any possible disturbance to the instrument:

Do not power the device from the same line which is used to power high power devices

without appropriate line filters.

Use shielded power cables, sensors and signal wires. Grounding of the shield should be single-

point and connected as close to the device as possible.

Avoid placing test (signal) leads directly next to and parallel to power lines and supply cables.

It is recommended to twist signal wires in pairs.

Resistance sensors in 3-wire connection should be connected with all wires identical.

Avoid proximity of remote controlled devices, electromagnetic meters, high power loads,

loads with phase or group power regulation and other devices that generate large impulse

disturbances.

3. AR601 CONTROLLER GENERAL CHARACTERISTICS

Universal thermoresistance measurement input Pt100 and thermocouple J, K, S

Panel case IP64 from front, IP20 from connections side

Designed for constant value regulation

1 relay regulating output or SSR output with ON-OFF characteristics with hysteresis, PID,

AUTOTUNING PID

LED digital display with brightness regulation

Relay state LED indication

Password protected access to configuration parameters

Parameters configuration by 3-key keyboard

Possibility to lock changes of preset values

Software digital filtration

High precision and resistance to disturbances that may occur in industrial environments

4. TECHNICAL SPECIFICATIONS

Universal input (keyboard selection), display and regulation range:

-Pt100 (3- or 2-wires).................. -100 ÷850°C (factory input setting)

-Thermocouple J......................... 0 ÷ 800°C

-Thermocouple K........................ 0 ÷ 1200°C

-Thermocouple S........................ 0 ÷ 1600°C

-Electronic temperature compensation for thermocouple cold ends

Pt100 lead resistance............................. Rd < 30Ω(3-wires, each line)

Pt100 input current................................ ~250µA

Digital reading......................................... 4 LED digits, red

-Display range.............................. -999 ÷ 9999

-Display resolution....................... 0.1°C or 1°C

-Display digits height.................... 9mm

Accuracy:

-Pt100............................................ 0.2% of measurement range ±1 digit

-Thermocouples............................. 0.3% of measurement range ±1 digit

-Thermocouple inputs additional... ±2°C (cold ends temperature)

Response time............................................ 0.5 ÷ 2s (programmed by parameter 2:

Relay outputs (P1)

-For resistance loads....................... 8A / 250Vac

-For inductive loads......................... 2A / 250Vac

-Full load durability.......................... min. 2 x 105switching

SSR output................................................... 12V, transistor OC, current limiting resistance 440Ω

Signalization

-Detected errors.............................. display messages

-Relay activity.................................. 1 red LED (1)

Table housing............................................. 48 x 48 x 79mm

-Table window................................. 46 x 46mm

Sealing class................................................ IP64 –front panel, IP20 –connections

Power supply.............................................. 230Vac (85 ÷ 260Vac) / 3VA

-Low voltage ac................................ 24Vac (15 ÷ 50Vac) / 3VA

-Low voltage dc................................ 24Vdc (18 ÷ 72Vdc) / 3W

Working temperature range....................... 0 ÷ 50°C

Relative humidity range.............................. 0 ÷ 90% RH (no condensation)

Weight.......................................................... 125g

EMC............................................................... resistance: PN-EN 61000-6-2:2002(U)

emissivity: PN-EN 61000-6-4:2002(U)

5. IMPORTANT USAGE INFORMATION –suppression systems use

If inductive load is connected to relay contacts (i.e. contactor coil or transformer) then during its

contacts disconnection surges and electric arc often occurs. They are caused by discharge of energy

stored in the inductor. The most negative effects of these surges are: reducing the life of the

contactors and relays, destruction of semiconductors (diodes, thyristors, triacs), measurement and

control systems damage or distortion, emission of electromagnetic field that interferes local devices.

To avoid these consequences, surges have to be reduced to a safe level. The easiest way to achieve it

is to connect suitable suppression module directly to inductive load contacts. In general to each type

of inductive load suitable suppression module should be selected. Modern contactors are usually

factory equipped with suppression module. When there is no suppression module, you should buy

contactor with built in suppression module. Temporary you can shunt

the load with RC circuit, i.e. R=47Ω/1W and C=22nF/630V.

Suppression module should be connected to inductive load contacts.

Suppression circuit usage reduces relay contacts burning and reduces

probability of contacts sticking.

6. HOUSING AND INSTALLATION METHOD

Panel INCABOX............................ 48 X 48 XT L57

Front panel...................... polycarbonate, protection level IP65

Housing body................... self-extinguishing NORYL 94V-0

Housing dimensions.................... 48 x 48 x 79mm

Table window............................... 48 x 46mm

Fitting............................................ brackets on case sides

7. TERMINAL STRIPS AND ELECTRICAL CONNECTIONS DESCRIPTION

Connectors

Description

1-2-3

Pt100 input (2- and 3- wires)

3-4

Thermocouple input TC (J, K, S)

12-13

Power supply input 230Vac

14-15-16

P1 relay output or SSR1

8. BUTTONS, DISPLAY AND LED DESCRIPTION

Controller has 3 buttons:

-Parameter value display (marked as SET in manual)

-Preset value display and change mode enter (see section 9)

-Displayed errors deleting

-Move to next/previous parameter (marked as UP or DOWN in

manual)

-Displayed errors deleting

Available keys combinations:

SET + DOWN or UP - increase / decrease parameter value

DOWN + UP - fast return to measured value display (default value)

- when pressed for more than 3 seconds –entering password set mode

Display function:

-display of measured value, parameters names and values, messages and

errors

LED diode function:

- P1/SSR1 output state display (according to parameter 5 value:

9. OUTPUT SETPOINT VALUE DISPLAY AND CHANGE

When in measured value display mode, short press SET button to display SET1 message:

-Next press SET button to display (preview) setpoint value

-Press SET button together with UP or DOWN, to change setpoint value (if settings lock is not

turned on, parameter 17 - , see table 1, chapter 10)

-Exit setting mode: press and hold UP and DOWN buttons simultaneously for 5 seconds.

Setpoint value can be also configured in programming mode described in chapter 10.

10. CONFIGURATION PARAMETERS SETUP

During first use display can show error caused by lack of the sensor or different connected

sensor than factory programmed. In this situation you have to connect proper sensor or

change configuration parameters.

Press and hold DOWN and UP buttons simultaneously for a few seconds –display will show

symbol for a while and then with first digit blinking. Using DOWN and UP

buttons enter the password (factory default value is ), moving to next digits is possible

using SET button. Parameter 18 - (password) can be changed

After entering password correctly, each press of SET button will display message and

enter configuration parameters setup menu, where:

-Mnemonic parameter name is shown on display (i.e. ,... –table 1),

-After pressing SET button display will show this parameter value,

-DOWN button moves to the next parameter and UP button moves to the previous

parameter,

-SET button together pressed simultaneously with UP or DOWN button will change value of

current parameter,

-Exit from configuration menu by pressing UP and DOWN buttons simultaneously (or waiting

2 minutes)

In case you notice difference between displayed value and real input signal value it’s possible

to zero display and sensitivity of certain sensor –parameters 10- (zero) and 11-

(sensitivity).

Table 1. Configuration parameters

Param. name change –UP or DOWN

Param. value change –SET + UP or DOWN

Settings

Mnem

Param. Description

Param. value and range

Default

User

Input type

Filtration level (1)

Display resolution

Lower limit for

Within output measurement range

Upper limit for

Within output measurement range

Output 1 LED lights when

OFF, ON

Output 1 status out of

measurement range (3)

no changes, OFF

Output 1 characteristics

(2)

OFF, HEATING

COOLING

Output 1 setpoint

Within range ÷

Output 1 hysteresis

Zero shift

Magnification

PID proportionality range

( - turn off PID action)

integration time constant

(PID)

s, ( - turn off integration)

derivative time constant

(PID)

s, ( - turn off differentiation)

oscillation period (PID)

PID autotuning type

(section 14)

OFF, manual start

start after each power on

values change

lock

no locks, SET1

Protection password (4)

Password protection (4)

OFF, ON

Display brightness

, step 10%

Cautions:

(1) –for response time is 0.5 second, for response time is about 2 seconds.

Higher filtration level means more smooth measured value and longer response time.

(2) ON-OFF characteristics information can be found in chapter 12,

(3) Parameter also defines output state for sensor circuit damage.

(4) When , parameters configuration access doesn’t require password.

11. MESSAGES AND ERRORS LIST

...

Upper display segments –upper sensor range exceeded or sensor damage

...

Lower display segments –lower sensor range exceeded or sensor damage

...

Incorrect protection password entered

...

Autotuning error, chapter 14 (error reset with any button)

...

Performing PID autotuning function

...

Configuration protection password entering mode

...

Entering parameters configuration menu

12. ON-OFF CHARACTERISTIC TYPES

CAUTIONS:

Parameter name

Parameter number (p. 10, table 1)

13. PID REGULATION

Controller works in PID mode when proportionality

range (parameter 12: ) is different than zero.

Proportionality range position relative to set value

is shown on illustrations a) and b). Influence of

integral and derivative part of PID regulation is set by

parameter 13: and 14: . Parameter 15: sets

pulsation period for output P1 or SSR1 (optional).

Output state correction is performed every 1 second.

The principle of operation for P type regulation

(proportional control) for output P1 or SSR1 is shown in

the illustration c), d). To select PID parameters suitable

for certain regulation object it’s recommended to use

automatic settings selection –autotuning (chapter 14).

Information about manual PID parameters selection

and correction can be found in chapter 15 and 16.

Illustration. Principle of operation for PID regulation:

a) Proportionality range position related to set

value for heating ( ).

b) Proportionality range position related to set value for cooling ( ).

c) Duty cycle for relay output P1 or SSR1.

d) P1 relay output or SSR1 output state (for measured value within proportionality range).

14. PID AUTOTUNING

Autotuning automatically selects PID parameters and consists of following stages:

Tuning start delay (about 1 minute, time for actuator power on, i.e. heating power, cooling power,

fan,...), determining object characteristic, calculating and saving in non-volatile controller memory

parameters , , and , start of regulation with new PID parameters.

To start autotuning it’s necessary to set parameter 16- correctly (see chapter 10, table 1),

where value allows for manual tuning start at any time, will start tuning always

when controller power is turned on and allows for manual start. It’s recommended to start

autotuning on object with stabilized regulated value (temperature, humidity,...). Before autotuning

start actuator power supply needs to be turned off with external switch.

To manually start/stop autotuning, please perform below actions:

-Press SET button shortly, then using UP button, go to parameter

-After pressing SET button display will show selected parameter value ( = OFF, = ON)

-Pressing SET button simultaneously with UP or DOWN button set (start), then

within 1 minute turn on object power supply using external switch, setting stops

tuning.

-Exiting from setting menu: press UP and DOWN buttons simultaneously or wait 5 seconds.

During autotuning every 5 seconds display will show message together with measured

value.

Software autotuning stop (with message displayed) can occur if proper algorithm

functioning conditions are not met:

-Difference between setpoint value and initial value is less than 40°C

-Initial value is greater than setpoint value for heating or smaller than setpoint value for

cooling,

-Maximum tuning time was exceeded (9 hours),

-Process value changes too fast or to slow

After changing threshold value or regulated object parameters (i.e. heating/cooling

power, batch weight, initial temperature,...), it’s recommended to start autotuning again.

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