CD Automation STE Series User Manual
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CD Automation STE Series User Manual

Enhanced soft starter
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E
ST
USER'S MANUAL
Rev. 01/2007
Enhanced Soft Starter

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Summary of Contents for CD Automation STE Series

  • Page 1 USER’S MANUAL Rev. 01/2007 Enhanced Soft Starter...

  • Page 3: Table Of Contents

    CONTENTS 1 Important warnings for safety..................5 2 Overview ........................6 2.1 Option CONTROL 2.2 Overall Features 2.3 Basic Connections 3 Quick Start ........................9 4 Setting the Starter ..................... 10 4.1 Delivery of the SOFT START 4.2 Factory Setting 4.3 Mounting 4.4 Dimensions and Fixing holes 4.5 Size Family...
  • Page 4 9 Configuration Parameters..................40 9.1 Operator Menu 9.2 Hardware Menu 9.3 Setup Menu 10 Typical Applications ....................47 10.1 Example of starting curves in Voltage Ramp 10.2 Example of starting curves in Current Ramp 11 Maintenance ......................49 11.1 Cooling Fans 11.2 Maintenance 11.3 Repairing procedure 11.4 Warranty condition...

  • Page 5: Important Warnings For Safety

    Caution: This icon is present in all the operational procedures where the Improper operation can cause damage for the SOFT STARTER. CD Automation reserves the right to modify the own products and this manual without any advise.

  • Page 6: Overview

    CD Automation srl STE Soft Starter User’s Manual 2 Overview The STE Soft Starter is a third generation ,highly sophisticated Soft Starter for use with standard three phase squirrel cage induction motor. It provides the best method of reducing current during motor starting.

  • Page 7: Overall Features

    CD Automation srl STE Soft Starter User’s Manual 2.2 Overall Features Starting the motor by different methods: • Voltage ramp from INTITIAL VOLTAGE to RATED VOLTAGE (or nominal torque) with current limit. • Current ramp. • Kickstart (or voltage pulse) of 80 % UN without current limit intended for start high friction load requiring high starting torque for a short time.

  • Page 8: Basic Connections

    CD Automation srl STE Soft Starter User’s Manual 2.3 Basic Connections Star Connections (3 wires) = Line current = Soft Starter current = Motor current (Winding) = Line voltage = Motor voltage Delta Connections (3 wires) = Line current = Soft Starter current...

  • Page 9: Quick Start

    CD Automation srl STE Soft Starter User’s Manual 3 Quick Start Caution: this procedure must be performed only by qualified persons. STE start ups should be performed by electrical technicians who are familiar with electronic soft starters and their applications. This List covers the steps necessary for a basic start up: 1.

  • Page 10: Setting The Starter

    CD Automation srl STE Soft Starter User’s Manual 4 Setting the Starter 4.1 Delivery of the SOFT START Caution: Before to install, make sure that the SOFT START have not damages. If the product has a fault, please contact the dealer from which you purchased the product.

  • Page 11: Factory Setting

    865A Start Current 3 In 3,5 In 4 In 4,5 In Supply Voltage Specify this value to configure the unit in CD Automation Voltage supply for the Electronic boards 110V From 100 to 130Vac 230V From 210 to 265Vac Wiring...

  • Page 12: Mounting

    CD Automation srl STE Soft Starter User’s Manual 4.3 Mounting Caution: Check that no liquids, dust or conductive objects can fall into the starter. The STE Soft Starter must be mounted vertically, allow sufficient space (at least 100 mm) above and below the starter for suitable airflow.

  • Page 13: Dimensions And Fixing Holes

    CD Automation srl STE Soft Starter User’s Manual 4.4 Dimensions and Fixing holes 96mm SIZE 9 Weight 5kg 104mm 97mm 12mm SIZE 11 Weight 10,5kg 97mm 222mm 12mm SIZE 13 Weight 18kg 222mm 222mm 12mm SIZE 14 Weight 22,5kg 222mm...

  • Page 14: Size Family

    CD Automation srl STE Soft Starter User’s Manual 4.5 Size Family 3 wire connection Nominal Current Nominal Current Nominal Current Nominal Current STE Size 3 In pick 3,5 In pick 4 In pick 4,5 In pick SIZE 9 130A 110A...

  • Page 15: Select Fuses

    CD Automation srl STE Soft Starter User’s Manual 4.6 Select Fuses Caution: USE ONLY EXTRARAPID FUSE WITH APPROPRIATE I² Nominal Current Fuse Max Fuse I²T 3 In pick 3,5 In pick 4 In pick 4,5 In pick (A²sec) 3800 3800...

  • Page 16: Removing The Cover

    CD Automation srl STE Soft Starter User’s Manual 4.7 Removing the cover SIZE 9 Remove the screw, if present Open the unit Screw Open SIZE 11 Remove the screw, if present Remove the plastic cover Open the unit Screw Open...

  • Page 17: How To Connect The Starter

    CD Automation srl STE Soft Starter User’s Manual 5 How to connect the starter Caution: this procedure must be performed only by qualified persons. • The control line supply ensuring that is OFF. • The power line supply ensuring is OFF.

  • Page 18: Continuous Service (No Bypass) Power Connections

    CD Automation srl STE Soft Starter User’s Manual 5.2 Continuous service (no Bypass) Power Connections Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Line Input Phase 1 Line Input Phase 2...

  • Page 19: Bypass Power Connections

    CD Automation srl STE Soft Starter User’s Manual 5.3 Bypass Power Connections Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Line Input Phase 1 Line Input Phase 2...

  • Page 20: Diagram Of Connection For Size 9 Without Bypass

    CD Automation srl STE Soft Starter User’s Manual 5.4 Diagram of connection for Size 9 without Bypass Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Voltage Supply for Electronic Boards (see par. 6.2) Voltage Supply for Electronic Boards (see par.
  • Page 21 CD Automation srl STE Soft Starter User’s Manual Caution: this procedure must be performed only by qualified persons. NOTE: • * The user installation must be protecting by circuit breaker or by fused switch. Opening the disconnecting switch whitout STOP operating,signal / trip fault Undervoltage •...

  • Page 22: Diagram Of Connection For Size 9 With Bypass

    CD Automation srl STE Soft Starter User’s Manual 5.5 Diagram of connection for Size 9 with Bypass Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Voltage Supply for Electronic Boards (see par. 6.2) Voltage Supply for Electronic Boards (see par.
  • Page 23 CD Automation srl STE Soft Starter User’s Manual Caution: this procedure must be performed only by qualified persons. NOTE: • * The user installation must be protecting by circuit breaker or by fused switch. Opening the disconnecting switch whitout STOP operating,signal / trip fault Undervoltage •...

  • Page 24: Diagram Of Connection For Size 11/13/14 Without Bypass

    CD Automation srl STE Soft Starter User’s Manual 5.6 Diagram of connection for Size 11/13/14 without Bypass Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Internal use Internal use...
  • Page 25 CD Automation srl STE Soft Starter User’s Manual Caution: this procedure must be performed only by qualified persons. NOTE: • * The user installation must be protecting by circuit breaker or by fused switch. Opening the disconnecting switch whitout STOP operating,signal / trip fault Undervoltage •...

  • Page 26: Diagram Of Connection For Size 11/13/14 With Bypass

    CD Automation srl STE Soft Starter User’s Manual 5.7 Diagram of connection for Size 11/13/14 with Bypass Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Internal use Internal use...
  • Page 27 CD Automation srl STE Soft Starter User’s Manual Caution: this procedure must be performed only by qualified persons. NOTE: • * The user installation must be protecting by circuit breaker or by fused switch. Opening the disconnecting switch whitout STOP operating,signal / trip fault Undervoltage •...

  • Page 28: Connection Description

    CD Automation srl STE Soft Starter User’s Manual 6 Connection description 6.1 Access to the Electronic boards To have access to the electronic boards the user must removing the unit’s cover (see par. 4.7) Warning: Before operate, be sure that power and control cables are isolated from voltage...

  • Page 29: Analog Inputs

    CD Automation srl STE Soft Starter User’s Manual 6.3 Analog Inputs The STE Soft Starter has 2 analog inputs: The Analogue Input 1 is configurable (0÷10V, 4÷20mA, ecc), and the Analogue Input 2 is for the PTC probe. 6.3.1 Analogue Input 1 (Terminals 8 and 7) OPTION The Analogue Input 1 is used with the option Control to set voltage at the end of start.
  • Page 30 CD Automation srl STE Soft Starter User’s Manual 6.3.2 Analogue Input 2 (Terminals 9 and 6) The Analogue Input 2 is for the PTC probe: The PTC probe (if installed in the motor) may be connected directly to the terminals 9 and 6, the PTC probe circuit should be run in screened cable and must be electrically isolated from earth and all other power and control circuits.

  • Page 31: Analog Outputs

    CD Automation srl STE Soft Starter User’s Manual 6.4 Analog Outputs The STE Soft Starter has 1 configurable analog output (0÷10V, 4÷20mA, ecc). The analog output is for retransmitting the average power or for the average current of all phases(default). (see par. 9) 6.4.1 Analogue Output (Terminals 10 and 6 or 10 and 7)

  • Page 32: Digital Input

    CD Automation srl STE Soft Starter User’s Manual 6.5 Digital Input The STE Soft Starter has 4 digital inputs opto-isolated to 12Vdc. You can activate the inputs with the internal supply (Terminal 4) or with an external source for example the PLC.

  • Page 33: Digital Output

    CD Automation srl STE Soft Starter User’s Manual 6.5.3 Configurable Input 4 (Terminal 20) This digital inputs is configured by the parameter P089 and could perform different functions: • Immediate Stop: The STE Soft Starter, to work, must not have this digital input active.

  • Page 34: Led Status And Alarms

    CD Automation srl STE Soft Starter User’s Manual 7 Led status and Alarms 7.1 LED Status Table STATUS DESCRIPTION For All size The Auxiliary power supply is not connected or fault on the electronic board Fault on the electronic board...

  • Page 35: Critical Alarms

    CD Automation srl STE Soft Starter User’s Manual 7.2 Critical Alarms When a critical alarm is active, it stops the STE Soft Starter, the ALM LED Flashing and the motor switches to freewheel mode. There are 2 groups of critical alarm, and the parameter P001 , P002 allows to visualize the state of these alarms (see par.
  • Page 36 CD Automation srl STE Soft Starter User’s Manual 7.2.7 Thermal Overload The starter continuosly calculated the temperature rise of the motor based on the controlled nominal current In and the actual current absorbed. Temperature rises can be caused by a low or high overload with a long or short duration.The tripping curves are based on the relationship between the starting...

  • Page 37: Not Critical Alarm

    CD Automation srl STE Soft Starter User’s Manual 7.2.10 External Alarm This critical alarm is active when the Digital input: “External Alarm" is activated. For restart the unit, you must disarm the external alarm. When the problem is solved before to restart is necessary Reset the Alarm (see par.

  • Page 38: Control Panel

    CD Automation srl STE Soft Starter User’s Manual 8 Control Panel The Control Panel is placed on the front of the STE Soft Starter, on his display you can visualize the alarms, the input and output signals and all the configuration parameters (see par. 9).
  • Page 39 CD Automation srl STE Soft Starter User’s Manual Menù Operatore Menù Hardware Menù Setup...

  • Page 40: Configuration Parameters

    CD Automation srl STE Soft Starter User’s Manual 9 Configuration Parameters The Configuration Parameters are accessible from the Control Panel (place in front of unit), from the software configurator or through the serial communication port RS485. With the RS485 Serial Port the parameters are not divided by menu, but only by numerical order.
  • Page 41 CD Automation srl STE Soft Starter User’s Manual P009 (H09) RMS Current on the phase R Function: This parameter read only shows the RMS current present on the power terminal P010 (H0A) RMS Current on the phase S Function: This parameter read only shows the RMS current present on the power terminal...

  • Page 42: Hardware Menu

    CD Automation srl STE Soft Starter User’s Manual 9.2 Hardware Menu P088 (H58) Digital input 3 configuration (terminal 19) Function: This parameter selects the function of digital input 3. Value: 0 = Immediate Stop 1 = External Alarm 2 = Reset Alarm...
  • Page 43 CD Automation srl STE Soft Starter User’s Manual P101 (H65) Analog Output 1 configuration (terminal 10) Function: This parameter selects the function of the Analog Output Value: 0 = Average Power 1 = Average Current of all Phases Default: P102 (H66)

  • Page 44: Setup Menu

    CD Automation srl STE Soft Starter User’s Manual 9.3 Setup Menu P016 (H10) Operative Voltage Funzione: This parameter is used to set the operative voltage Min/Max: 24 ÷ 600 Default: 400 (if not specified in the Order Code) P017 (H11)
  • Page 45 CD Automation srl STE Soft Starter User’s Manual P023 (H17) Kickstart Value (Initial Boost) Function: This parameter set the Kickstart value in % of full voltage. This function provides extra torque at the beginning of a start. This can be...
  • Page 46 CD Automation srl STE Soft Starter User’s Manual P041 (H29) Unbalance Alarm Delay Function: This parameter set the time for delay the unbalance protection. Min/Max: 0 ÷ 100 seconds Default: P044 (H2C) Undervoltage Threshold Function: This parameter contains Threshold voltage value, set in % of Voltage supply, for the Undervoltage protection.

  • Page 47: Typical Applications

    CD Automation srl STE Soft Starter User’s Manual 10 Typical Applications APPLICATION 3 In 3,5 In 4 In 4,5 In AGITATOR ● ATOMIZER ● BANDSAW ● BOTTLE WASHER ● CENTRIFUGAL PUMP ● CENTRIFUGHE ● CHIPPER ● CIRCULAR SAW ● CONVEYOR BELT ●...

  • Page 48: Example Of Starting Curves In Voltage Ramp

    CD Automation srl STE Soft Starter User’s Manual 10.1 Example of starting curves in Voltage Ramp 10.2 Example of starting curves in Current Ramp...

  • Page 49: Maintenance

    Use a rugged packaging to ship the unit. 11.4 Warranty condition CD Automation gives a 12 months warranty to its products. The warranty is limited to repairing and parts substitution in our factory and does exclude products not properly used and fuses.

  • Page 50: Rs485 Serial Port

    CD Automation srl STE Soft Starter User’s Manual 12 RS485 Serial Port The serial communication port RS485 is available on the Command Terminals and on the 9pin DIN male connector. On this port may be done a network up to 127 STE Soft Starter.

  • Page 51: Modbus Communication

    CD Automation srl STE Soft Starter User’s Manual 12.1 MODBUS communication The serial communication port is two-wire RS485 type. This port use an half-duplex system. When a Unit must transmit active the transmission line, and when there are not units in transmission the outputs are fixed to high impedance.
  • Page 52 CD Automation srl STE Soft Starter User’s Manual The following flow-diagram show how to organize the CRC 16 bit. C Language CRC 16 Example static short CRC16 (unsigned char *p_first,unsigned char *p_last) unsigned int crc=0xffff; short j; for (;p_first<=p_last;p_first++) crc ^= *p_first;...

  • Page 53: Read Holding Registers

    CD Automation srl STE Soft Starter User’s Manual 12.4 Read Holding Registers This function reads the instantaneous value of a specified number of parameters from an address. The message is composed by 8 Byte: one Byte is for the address, one for the function (03 Hex), two...

  • Page 54: Error And Exception Responses

    CD Automation srl STE Soft Starter User’s Manual 12.6 Error and exception responses If a message contains an altered character, if fails the CRC, or if the received message contains a syntax error (for example the number of the byte or of the words is not correct), then the unit will ignore the message.

This manual is also suitable for:

Ste size 9Ste size 11Ste size 13Ste size 14

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