Rowan Elettronica 470 Series Bedienungsanleitung

Rev.11

dated

10/01/17

Instruction Manual code MANU.470S

MULMUL

MUL

TIFUNCTION THREE PHASE DRIVESTIFUNCTION THREE PHASE DRIVES

TIFUNCTION THREE PHASE DRIVES

470 SERIES470 SERIES

470 SERIES

SOFSOF

SOFTT

T-ST-ST

-ST-ST

-STARTERARTER

ARTERARTER

ARTER

STST

STAA

ATIC SWITCHTIC SWITCH

TIC SWITCHTIC SWITCH

TIC SWITCH

POWER/ENERGY REGULPOWER/ENERGY REGUL

POWER/ENERGY REGULAA

ATORTOR

TORTOR

TOR

VOLOL

OLOL

TAGE REGULAGE REGUL

AGE REGULAGE REGUL

AGE REGULAA

ATORTOR

TORTOR

TOR

Via U. Foscolo, 20 - CALDOGNO - VICENZA - ITALIA

Tel.: 0444 - 905566 (4 linee r.a.)

Fax: 0444 - 905593 E-mail:[email protected]

InternetAddress: www.rowan.it

iscritta al R.E.A di Vicenza al n. 146091

C.F./P.IVA e Reg. Imprese IT 00673770244

The Italian answer to all automation needs

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Instruction Manual code MANU.470S Rev.11 - 10/01/17

GENERAL RECOMMENDATIONS

BEFORE INSTALLATION

Three-phase 470 series drive have been created with 4 programmable features (see Chapt. 2 DRIVE FUNCTION

SELECTION):

- SOFT-STARTER: to start/slow down three-hase asynchronous motors.

- STATIC SWITCH: to statically command three-phase loads in alternative to electro-mechanical contactors, by ZERO

CROSSING antijamming managing.

- POWER/ENERGY REGULATOR: to control the temperature in ovens with electric resistances by wave- train regulation

in ZERO CROSSING.

- VOLTAGE REGULATOR to control voltage/current on Rowan High slip motors and in general on feeders voltage/current

adjustable; the voltage is adjusted by the PHASE PARTIALIZATION technique.

For this reason, this manual is divided into the following parts:

- Chapt. 1-2-3-4 gives instructions common to all functions.

-Chapt. 5-6-7-8-9 describe SOFT-STARTER function (see Chapt. 1 and 5 for a quick start-up of the function).

- Chapt. 10 describes technical characteristics common to the following functions:

STATIC SWITCH, POWER/ENERGY REGULATOR, VOLTAGE REGULATOR.

Chapt. 11 describes the STATIC SWITCH function.

Chapt. 12 describes the POWER/ENERGY REGULATOR.

Chapt. 13 describes the VOLTAGE REGULATOR.

ATTENTION! Before starting, select the function needed by reading chapt. 2 -

"DRIVE FUNCTION SELECTION"

ROWANELETTRONICA s.r.l. declines allresponsibilityforany imprecisions inthismanualdue toprintingand/orcopy errors.

Moreover it can make changes any variations it may deem necessary to improve the products under its sole discretion and

without notice.

The data and characteristics provided in this manual have a maximum tolerance of ±10%, unless otherwise indicated. The

diagrams are mere guidelines and should be adapted to the specific needs of the user.

Before installing , wiring or any other operation on the actuator, carefully read this manual to ensure that the correct

operations are made and all related safety measures are taken.

It is strictly forbidden to use the 470 actuators in any way other than for the operations indicated in this manual.

This instruction manual addresses qualified technicians who know the standards to respect in the installation and

operation of the actuator, in compliance with safety regulations and the protection of this type of equipment.

The actuator and its load can create hazardous situations for the safety of objects and individuals, the user and installer

must comply with statutory regulations.

This actuar presents a a current lekeage to ground (<1mA), so DO NOT supply it without connecting the PE terminal to

ground first.

The drive doesn't have any SIL ability (Safety Integrity Level) as per standard IEC/EN61508, so drive contacts cannot be

considered a valid method for a safety stop; in certain programming or actuator fault conditions, its shut down may not

mean that the motor will stop immediately. Only an electromechanical cut-off of the actuator from the power supply,

made by following IEC/EN61508 standards, will safely cut-off any motor command.

In the same way, in case of SOFT-STARTER function,the shaft stopped detector cannot be considered valid to carry out

operations in total safety (SIL ability).

Installation of the actuator in risky zones, containing flammable substances or combustible vapour or dust, can cause fire

or explosion. The 470 actuators must be installed away from such zones.

In all events prevent water or other fluids from penetrating the interior of the appliance.

Do not carry out dielectric rigidity tests on parts of the drive.

The product warranty is provided ex works Rowan E.; Terms and conditions are specified on the Sales Conditions that can

be requested to the Commercial Dept. or downloaded from our web site: www.rowan.it

Description of the Manual

General safety instructions

Warranty

Compatibility of the manual with the firmware 470S version

IThis manual is updated to the firmware 4.01. The firmware version can be read through the DISPLAYS menu on the

keypad, see FIRMWARE VERSION variable.

Instruction Manual code MANU.470S Rev.11 - 10/01/17

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Chapt.1 : THE KEYPAD page 5

General overview of the keypad...................................................................................................................................... page 5

Button descriptions .......................................................................................................................................................... page 5

Parameter modification procedure.................................................................................................................................. page 5

Chapt.2 : DRIVE FUNCTION SELECTION......................................................................................................................... pag. 6

Description of 100. menu.............................................................................................................................................. page 6

Settings : Actuator function, enabling fault reset by input,

locked access to keypad parameters, type of SCR trip.

Chapt.3 : FAULTS .............................................................................................................................................................. pages 7-9

Blockage description and fault list .................................................................................................................................. page 7

Parameters descriptioon on FAULT HISTORY menu.................................................................................................... page 8

Other possible cases of malfunctioning and solutions................................................................................................... page 8

FAULT 1 "MOTOR OVERLOAD" and FAULT10 "DRIVE OVERLOAD" description .................................................... page 9

Chapt.4 : SERIAL COMMUNICATION................................................................................................................................ pages 10-11

Description of modbus RTU serial transmission ............................................................................................................ page 10

Description of the serial communication parameters..................................................................................................... page 10

Instructions for the serial connection and transmission monitoring .............................................................................. page 11

Chapt.5 : RAPID INSTALLATION - SOFT-STARTER FUNCTION page 12

Typical wiring diagram and rapid installation of the soft-start ....................................................................................... page 12

Chapt.6 : TECHNICAL CHARACTERISTICS - SOFT-START FUNCTION...................................................................... pages 13-14

Technical characteristics ................................................................................................................................................. page 13

Tables with electrical characteristics .............................................................................................................................. page 14

Fixing power terminals and minimum sections on connection cables .......................................................................... page 14

Chapt.7 : INSTALLATION - SOFT-STARTER FUNCTION ............................................................................................... pages 15-18

Notes on the choice of soft-start ..................................................................................................................................... page 15

Dimensions ...................................................................................................................................................................... page 15

Typical position of a soft-start in a switchbox ................................................................................................................. page 16

Instructions for the cabling system and electromagnetic compatibility ......................................................................... page 16

Description of power terminal block ................................................................................................................................ page 17

Description of command terminal block ......................................................................................................................... page 17-18

General wiring diagram ................................................................................................................................................... page 18

Chapt.8 : DISPLAYS AND PARAMETERS - SOFT-STARTER FUNCTION.................................................................... pages 19-27

Keypad menu map of SOFT-START functions .............................................................................................................. page 19

Full parameter list ............................................................................................................................................................ page 20

Display menu list.............................................................................................................................................................. page 21

Modbus input/output commands ..................................................................................................................................... page 21

Modbus input/output status read..................................................................................................................................... page 21

Description of DISPLAYS menu................................................................................................................................... page 22-23

All displays monitoring soft-start operation

Description of 1. BASIC DATA menu .......................................................................................................................... page 23-24

Settings: basic parameters for rapid start-up

Description of 2. CONNECTION menu ........................................................................................................................ page 24

Settings : motor connection type.

Description of 3. SAFE MOTOR menu ........................................................................................................................ page 24

Settings : motor safeties: overload, underload, PTC sensor enabling.

Description of 4. REG. Imax SET menu ...................................................................................................................... page 25

Settings : internal or external regulation of start current.

Description of 5. 2nd SPEED SET menu .................................................................................................................... page 25

Settings : speed 2 of dual polarity motors.

Description of 6. STOP TYPE menu ............................................................................................................................ page 26

Settings : motor stop mode, in deceleration or counter current braking

Description of 7. START TYPE menu .......................................................................................................................... page 26

Settings : Release impulse at start

Description of 8. ENERGY SAVING menu .................................................................................................................. page 27

Settings : energy saving function

Description of 9. FUNCTIONS menu ........................................................................................................................... page 27

Settings : soft-start special functions

Chapt.9 : OPERATING MODES .................................................................................................................................... pages 28-33

Bypass of soft-start after start-up.................................................................................................................................... page 28

6-wire connection............................................................................................................................................................. page 29

Dual speed motor commands ......................................................................................................................................... page 30

External regulation of maximum start current ................................................................................................................ page 31

Kick Start .......................................................................................................................................................................... page 31

Motor stop modes ............................................................................................................................................................ page 32

Soft-starter for insertion line generator ........................................................................................................................... page 33

CONTENTS

Instructions for SOFTSTARTER function

Instructions for all functions

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Instruction Manual code MANU.470S Rev.11 - 10/01/17

CONTENTS

Chapt.10 : STATIC SWITCH, POWER/ENERGY REGULATOR, VOLTAGE REGULATOR............................................ pages 34-35

Common technical characteristics .................................................................................................................................. page 34

Tables with electrical characteristics .............................................................................................................................. page 35

Electro-magnetic compatibility ........................................................................................................................................ page 35

Chapt.11 : Function: STATIC SWITCH ............................................................................................................................ pages 36-40

Functioning description as STATIC SWITCH ................................................................................................................ page 36

Wiring diagram................................................................................................................................................................. page 36

Keypad menu map of STATIC SWITCH function .......................................................................................................... page 37

Full parameter list ............................................................................................................................................................ page 38

Display menu list.............................................................................................................................................................. page 38

Modbus input/output commands ..................................................................................................................................... page 39

Modbus input/output status reading................................................................................................................................ page 39

Description of menu DISPLAYS ..................................................................................................................................... page 39-40

Description of 1. menu BASIC DATA ............................................................................................................................. page 40

Chapt.12 : Function: POWER/ENERGY REGULATOR ................................................................................................... pages 41-45

Functioning description as POWER/ENERGY REGULATOR ....................................................................................... page 41

Wiring diagram................................................................................................................................................................. page 41

Terminal boards general description .............................................................................................................................. page 42

Keypad menu map of POWER/ENERGY REGULATOR ............................................................................................... page 43

Full parameter list ............................................................................................................................................................ page 43

Display menu list.............................................................................................................................................................. page 44

Modbus input/output commands ..................................................................................................................................... page 44

Modbus input/output status reading................................................................................................................................ page 44

Description of menu DISPLAYS ..................................................................................................................................... page 44-45

Description of 1. menu BASIC DATA ............................................................................................................................. page 45

Chapt.13 : Function: VOLTAGE REGULATOR ................................................................................................................ pages 46-59

Functioning description as VOLTAGE REGULATOR .................................................................................................... page 46

Wiring diagrams............................................................................................................................................................... page 46

Terminal boards general description .............................................................................................................................. page 47

Keypad menu map of VOLTAGE REGULATOR ............................................................................................................ page 48

Full parameter list ............................................................................................................................................................ pages 49-50

Modbus display menu list ................................................................................................................................................ page 50

Modbus input commands ................................................................................................................................................ page 50

Modbus output status reading ......................................................................................................................................... page 50

Description of DISPLAYS menu ..................................................................................................................................... pages 51-52

Parameters description from menu 1. BASIC DATA ..................................................................................................... page 53

Parameters description from menu 2. Iout LIMITS ........................................................................................................ page 54

Parameters description from menu 3. REGULATOR .................................................................................................... page 55

Parameters description from menu 4. CURRENT REGULAT....................................................................................... page 56

Parameters description from menu 5. SETUP OPERATOR ......................................................................................... page 57

Customizing keypad settings with OPERATOR parameters ......................................................................................... page 57

Standard settings and block diagrams about voltage regulator functions...................................................................... pages 58-59

Chapt.14 : ACTUATOR CODE CONSTRUCTION ............................................................................................................. page 60

Instructions for: STATIC SWITCH,

POWER/ENERGY REGULATOR, VOLTAGE REGULATOR functions

Instruction Manual code MANU.470S Rev.11 - 10/01/17

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Via Ugo Foscolo, 20

36030 - CALDOGNO - VICENZA - ITALY THE KEYPAD

Chapt.1

The keypad is used to modify the operating parameters (stored on an eeprom) and view parameters and measurements

during processing. The serial connection allows the keypad can be remote connected to the panel of a control switchbox, at a

maximum distance of 25 meters.

On request, Rowan Elettronica can supply the keypad remote connection lead.

General overview of the keypad

Button descriptions

The keypad comprises:

-A backlit alphanumerical display with 2x16 characters .

-Four pushbuttons with pressed feeling.

-Two LED's signalling drive (RUN) and fault block (FAULT).

ESCAPE returns to the start menu or a higher level and saves the settings.

PROGRAM, enters the submenus and the parameter change mode with sequential digit selection for number

settings.

UP, scrolls the variables FORWARD and increases the number setting selected by PROGRAM button.

DOWN, scrolls the variables BACKWARD and reduces the number setting selected by PROGRAM.

For example, SOFTSTART function, to modify the parameter 1.2 MOTOR In under the 1. BASIC DATA menu :

> Press P to view the 1. BASIC DATA menu

> Press P to view the first parameter in the 1.BASIC DATA menu, the 1.1 LINE FREQ parameter.

> Press UP to select par.1.2 MOTOR In.

> Press P to enter the modify parameter mode:

the display box with the rightmost digit of the setting will start blinking to indicate that it is now possible to modify it by the

UP and DOWN buttons.

> Press UP to increase and DOWN to decrease the setting.

> To modify the other digits just press P briefly, every time it is pressed the next digit to the left is selected, until it reaches

the leftmost and then returns to the rightmost and so forth.

> If the parameter can be both positive or negative, the sign is shown after the leftmost digit; to change it press P until it is

selected and then use UP to set + and DOWN to set -

> To memorise the new setting press ESCAPE (the selection will stop blinking).

> To return to the initial menu (DISPLAY STATUS) press ESCAPE again. To modify parameters with string selections use

exactly the same procedure, in this case UP and DOWN will select the strings available instead of numbers.

Parameter modification procedure

The keypad does not have its own memory to store the parameters

Caution!

RUN

FAULT

LINE FREQ.

1.1 50.0Hz

RUN: the LED lights up with

the actuator in drive and

operating

Display box for the description of the

selected menu/parameter/variable.

Display box for the number or string

setting of the parameter or variable.

Display box for the number of

the menu/parameter/variable .

Programming pushbuttons

FAULT : the LED lights up when the

actuator is blocked

See chapt.FAULTS for fault codes

and causes

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Instruction Manual code MANU.470S Rev.11 - 10/01/17

Chapt.2 FUNCTION SELECTION

The C470 series device can be applied in 4 ways (functions) that can be selected by parameter 100.1 APPLICATIONS.

They are:

- SOFT-STARTER: to starting/slowing down of three-phase asyncronous motors.

- STATIC SWITCH: to statically command three-phase loads in alternative to the use of electromechanical contactors, by

the ZERO CROSSING feature (against interferences).

- POWER/ENERGY REGULATOR: to control the ovens (electric resistance type) temperature by the wave -trains

regulation (by the ZERO CROSSING).

- VOLTAGE REGULATOR: to control voltage/current of high slip Rowan motors and feeder units in general that can be

regulated under voltage/current; the voltage is regulated by the PHASE-PARTIALIZATION technic.

The default function is SOFT-STARTER

PARAMETERS 100.

PRESS

ESCAPE

FOR 5 sec

DISPLAY STATUS

Description of the 100 menù parameters

WARNING! The 100. menu includes critical parameters affecting the regulator’s basic functions; always pay utmost

attention when setting them.

To access the 100. parameter programming screens, variables must be DISPLAYED. Pressing the ESCAPE button for 5

seconds gives access to the first parameter programming screen:

APPLICATIONS

100.1 SOFTSTART Par.100.1. It selects the function type

Setting range: SOFTSTART, 3AC_REG, 3AC_0CROSS, 3AC_ON/OFF

SOFTSTART = SOFTSTART function , starter/decelerator for three-phase asynchronous motors.

3AC_REG = VOLTAGE REGULATOR function , phase cutting voltage regulator.

3AC_0CROSS = POWER/ENERGY REGULATOR function, zero crossing wave train regulator.

3AC_ON/OFF = STATIC SWITCH function, zero crossing command.

PARAM BLOCK

100.3 NO Par.100.3. It allows to lock the access to keypad parameters

Setting range: NO, YES

If it is set to YES, with par.100.5 = DEFAULT, the system will prevent access to all parameters (except for menu 100).

If it is set to YES, with par.100.5 = OPERATOR, the system will prevent access to all parameters (except for menu 100 and

menu 1). BASIC DATA OPER.

SCR CONTROL TYPE

100.4 2. Par.100.4. It select the SCR control technique

This parameter is not enabled on STATIC SWITCH and POWER/ENERGY REGULATOR functions.

Setting field: from 1 to 3 for the SOFTSTARTER function, 1 for the VOLTAGE REGULATOR function

1 = OPEN LOOP control (suggested with "disturbed" supply line)

2 = OPEN LOOP control combined + FEEDBACKED control from voltage on SCR (must be used when starting a

loadless motor)

3 = for softstarter applied on network locking of a threephase generator (see chap.9 OPERATING MODES)

RESET FAULT EN

100.2 NO Par.100.2. It enables fault reset by a new run command

(forward/backward for SOFTSTARTER function)

Setting range: NO, YES.

MENU OPERATOR

100.5 DEFAULT Par.100.5. It configures the keypad parameter access methods

This parameter is enabled for the VOLTAGE REGULATOR function only.

Setting range: DEFAULT, OPERATOR

DEFAULT= Menu 1. BASIC DATA standard

OPERATOR = The 1.BASIC DATA menu is replaced by menu 1. BASIC DATA OPER., which can be customised with the

OPERATOR type setting parameters.

For a description of menu 1. BASIC DATA OPER. see the paragraph at the chapt.13:

“Customising keypad settings with OPERATOR parameters”.

LINEARIZATION

100.6 YES. Par.100.6. Linearization of the SCR control signal

This parameter is enabled for the VOLTAGE REGULATOR function only.

Setting range: NO, YES

NO = The control signal is directly proportional to the SCR fire angle.

YES = The control signal is linearized so that it is directly proportional to the RMS U1 V1 W output regulated voltage

(maximum accuracy with resistive load).

Instruction Manual code MANU.470S Rev.11 - 10/01/17

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Via Ugo Foscolo, 20

36030 - CALDOGNO - VICENZA - ITALY Chapt.3 FAULTS

The actuator faults are signalled by the FAULT LED lighting up in continuous on the keypad and the RUN LED turns off ; in this

casealloutputrelaysaredisactivatedandconsequently,intheSOFTSTARTfunction, theFORWARD,REVERSE,FAST(return

to SLOW) and BYPASS relay switches.

With the default settings, to know the cause of the block, just use the arrow buttons to select the monitor variable LAST FAULT.

This variable views the fault number associated with the cause of the block as described in the FAULT LIST table below.

There are two ways of resetting the blocked status of the actuator:

1) shut off and (after a pause) restore the logic power at terminals 39 and 41.

2) with the logic powered, disactivate and then activate the FORWARD or REVERSE drive command. To use this option set

par.100.2 RESET FAULT EN = YES.

Description of the actuator blocked status with faults list

TLUAF°N

TSILSTLUAF

DAOLREVOROTOM

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3TIUCRICTROHSTUPTUO

.slanimrettuptuo1W1V1Unotiucric-trohS

4TIUCRICTROHSELUDOMRCS

ylnosnoitcnufROTALUGERYGRENE/REWOPdnaHCTIWSCITATSnodelbanetluaF .tiucric-trohsnisieludomRCSlanretnienotsaeltA

7ERUTAREPMETREVORCS

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01 DAOLREVOEVIRD

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DAOLREVOROTALUGER

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31 ENILREWOPNOYLAMONA

.1T1S1RslanimretenilrewopehtfosesahpehtnorewopfokcalroecnalabmI

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Instruction Manual code MANU.470S Rev.11 - 10/01/17

Descrizione parametri del menù FAULT HISTORY

If the device is turned-off after a fault event, the LAST FAULT variable is zeroed; in this case, to know the cause of the

arrest, enter the FAULT HISTORY menu, select the FAULT1 variable to see the most recent Fault number until variable

FAULT5 (the less recent one). To erase the latest 5 fault list, set par. RESET HIS FAULT=NO (the setting automatically

comes back to YES).

The FAULT HISTORY menu got different numerical orders basing on the function:

- SOFT-STARTER function > menu 11.

- STATIC SWITCH and POWER/ENERGY REGULATOR functions > menu 3.

- VOLTAGE REGULATOR function> menu 7.

For example, on SOFTSTARTER function, the menu will be as follows:

Description of 11. FAULT HISTORY menu parameters

FAULT HISTORY

11. View the last 5 FAULTS in chronological order and a parameter to completely reset

the history

FAULT 1 0. Var.11.1. View the most recent FAULT number

Setting options: 0 - 13.

11.1

FAULT 2

11.2 0. Var.11.2. View the second FAULT number

Setting options: 0 - 13.

FAULT 3

11.3 0. Var.11.3. View the third FAULT number

Setting options: 0 - 13.

FAULT 4

11.4 0. Var.11.4. View the fourth FAULT numer

Setting options: 0 - 13.

FAULT 5

11.5 0. Var.11.5. View the fifth (the oldest) FAULT number

Setting options: 0 - 13.

RESET HIST FAULT

11.6 NO. Par.11.6. Reset the 5 FAULT history

Setting options: NO, YES

YES: the faults are reset and the setting then automatically returns to NO.

1) On SOFT-STARTER function, during a loadless starting, you hear strong bumps on the motor at full speed.

RIMEDY: to start a loadless motor, it is necessary to use SCR control technique, by setting par.100.4 SCR CONTROL

TYPE = 2.

2) The supply line R1 S1 T1 is very disturbed and the voltage on the load ( terminals U1 V1 W1) is irregular.

RIMEDY: use SCR control technique, by setting par. 100.4 SCR CONTROL TYPE = 1.

Other possible cases of mulfunctioning and remedies

Chapt.3 FAULTS

Instruction Manual code MANU.470S Rev.11 - 10/01/17

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With par. 3.1 ENABLE CLASS 10 to YES you will enable the motor protection as specified by regulations for Class 10. Class 10 provides

times and overloads for cold and warm motor, above which Fault 1 steps in .

The curves with the times / overloads are below:

FAULT1 "MOTOR OVERLOAD" description (on SOFT-STARTER function only)

Is is the starting current, In is the rated motor current set in par. 1.2 or in par. 5.1 (if you selected the second speed).

Is / In = ratio between starting current and rated motor current.

The softstarter internally simulate the motor winding heating basing on the absorbed current during a certain time (i2t motor). If beside IxI

MOTOR you read "Cold", the motor is cold and when starting (or with overloadings) consider the "cold" times of the curve. If beside IxI

MOTOR you read "Warm", the motor is considered hot and when starting (or with overloadings) consider the "warm" times of the curve.

At starting, to obtain the times shown by the curves it is necessary that IxI MOTOR is 0%, otherwise times will be lower.

To bring the variable IxI MOTOR from 100% to 0%, you need 15 minutes; this is the maximum time to be wait after the starting in order

to obtain the maximum times allowed by the Class 10 curves.

Fault 10 protects the drive against overloading, the maximum rated current (Imax) in continuous service corresponds to the maximum

setting limit of the parameters par. 1.2 or 5.1.

The soft starters are designed to withstand cold start with inrush currents (Is) corresponding to 4 times the current maximum permissible

continuous service for 20s.

Consequently, the response times of FAULT10 are shown in the chart below:

However, if IxI DRIVE exceeds 0% and starts to increase, we enter the area of intervention FAULT10.

If, after an overload , the current decreases under the threshold value, the variable starts to decrease and from 100% to 0% it takes

about 5min and 30s. After a starting, if scr are still hot, next startings will have shorter admitted times depending on the IxI DRIVE

residual content and on the thermic simulation by scr junction.

Protezione termica motore Classe 10 CEI EN 60947-4-2 a freddo

1,0

10,0

100,0

1000,0

10000,0

1,12 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8

Sovraccarico Is/In

Tempo di sovraccarico [s]

Protezione termica motore Classe 10 CEI EN 60947-4-2 a caldo

1,0

10,0

100,0

1000,0

10000,0

1,12 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8

Sovraccarico Is/In

Tempo di sovraccarico [s]

Overload time (s)

Motor thermic protection in Class 10 CEI EN 60947-4-2 - cold state Motor thermic protection in Class 10 CEI EN 60947-4-2 - steady

Overload time (s)

OverloadIs/In OverloadIs/In

FAULT10 "MOTOR OVERLOAD" description

Chapt.3 FAULTS

100

1000

1,2 1,4 1,6 1,8 2 2,2 2,4 2,6 2,8 3 3,2 3,4 3,6 3,8 4

(Is/Imax)

Time [s]

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Instruction Manual code MANU.470S Rev.11 - 10/01/17

SERIAL

COMMUNICATION

Chapt.4

The MODBUS RTU protocol establishes asynchronous communication between a MASTER device (e.g. plc, pc, etc.) and

several SLAVE devices (in this case the 470 series actuators) connected by an RS485 interface

HALF-DUPLEX (i.e. simultaneous transmission and reception is not possible) with a 2-wire connection.

Only the master can query the slaves that can only respond; each character of the message is composed as follows:

1 start bit , 8 bits for the data, 1 bit for the parity, 1 or 2 stop bits

In 470 series actuators the type of parity and number of stop bits can be programmed together with the transmission speed at

the following baudrates: 9600, 19200, 38400, 57600, 76800, 115200.

For every correct write or read message del master , a slave response messagge is provided.

The integrity of data exchanged between master and slave is verified by the CRC16 algorhythm.

If the slave verifies an incorrect CRC and cancels the response messagge to the master.

The master/slave message contains the univocal address of the slave being queried, from 1to 100

The master/slave message contains the FUNCTION CODE required of the slave .

The modbus protocol offers several functions but in the 470 series only the following are available:

- READ 1 OR MORE WORDS (maximum 20) (FUNCTION CODE=03H)

- WRITE 1 OR MORE WORDS (maximum 20) (FUNCTION CODE=10H)

If the master sends the slave a message with incorrect instructions , the protocol provides a slave response containing an

error code(MODBUS EXCEPTION CODE).

The 470 series actuators are programmed to communicate to the master the following error codes:

- ILLEGAL FUNCTION (Modbus exception code=01H)

- ILLEGAL DATA ADDRESS (Modbus exception code=02H)

- ILLEGAL DATA VALUE (Modbus exception code=03H)

More detailed information on the modbus standard can be obtained from http://www.modbus.org

Description of modbus RTU serial transmission

All parameters of this setting are on the SERIAL COMUNICAT menu.

All functions have the same menu but with a different numerical order:

- SOFT-STARTER function > menu 10.

- STATIC SWITCH and POWER/ENERGY REGULATOR functions > menu 2.

- VOLTAGE REGULATOR function> menu 6.

For example, on SOFTSTARTER function, the menu will be as follows:

Serial Communication Parameter Description

The modbus address (ID MODBUS) specified in the tables with the full parameter list into the descriptions of functions ;

the parameters values with this address are written in the RAM memory and are not saved when the actuator is shut off.

To make the actuator save the setting permanently in the internal EEPROM just add 10000 to the addess in the tables.

E.G.:tosave on EEPROMasetting of par.1.2 MOTORInthe address toenterinthe writemessage(10Hfunction) willbe10001

(1001+10000).

SERIAL COMUNICAT

10. The parameters for managing the modbus serial communication

ADDRESS 3. Par.10.1. Actuator serial address

Setting range: 0 - 100.

10.1

BAUD RATE

10.2 9600. Par.10.2. Transmission rate in bps.

Setting options: 9600, 19200, 38400, 57600, 76800, 115200.

PARITY

10.3 NONE Par.10.3. Disable or enable parity control on single characters.

Setting options: NONE, EVEN, ODD.

NONE = disable character parity control.

EVEN = enable EVEN character parity control.

ODD = enable ODD character parity control.

BIT STOP

10.4 1. Par.10.4. Set the number of stop bits for each character.

Setting options:1, 2.

ENABLE FAST MODB

10.5 NO. Par.10.5. Enable fast serial communication , with minimum delay between modbus messages

Setting options: NO, YES

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