Leroy-Somer DIGISTART STV 1312 Installation And Maintenance Manual
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Leroy-Somer DIGISTART STV 1312 Installation And Maintenance Manual

Electronic soft starter
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DIGISTART STV 1312
Electronic soft starter
Installation and maintenance
Mains
synch.
ADC
=
ly
monitoring
chdog
et
Microcontroller
Rx
Tx
Réf. 1524 - 4.33 / c - 12.97
Gate
Drive
RAM
EPROM
EEPROM

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Summary of Contents for Leroy-Somer DIGISTART STV 1312

  • Page 1 Réf. 1524 - 4.33 / c - 12.97 Mains synch. Gate Drive monitoring chdog EPROM Microcontroller EEPROM DIGISTART STV 1312 Electronic soft starter Installation and maintenance...
  • Page 2 The soft starter is a component designed for integration within an installation or an electrical machine : it is therefore of the res- ponsibility of the user to make sure the system complies with current standards. LEROY-SOMER declines all responsibility whatsoever should the above recommendations not being complied with.........
  • Page 3 Electronic soft starter DIGISTART STV 1312 SAFETY AND OPERATING INSTRUCTIONS CONCERNING soft starter (According to low voltage directive 73/23/CEE modified by 93/68/CEE) • Throughout the manual, this symbol warns 4 - Installation against consequences which may arise from Installation and cooling of equipment must comply with...
  • Page 4 Notes...

  • Page 5: Table Of Contents

    Electronic soft starter DIGISTART STV 1312 CONTENTS Pages 1 - GENERAL INFORMATION 1.1 - General operating principle.................. 6 - 7 1.2 - General designation of the DIGISTART............... 1.3 - Main characteristics....................1.4 - Dimensions and weight..................9 à 11 2 - MECHANICAL INSTALLATION 2.1 - Inspection on arrival.....................

  • Page 6: General Information

    Natural stop or controlled deceleration. MOTOR DECELERATING 1.1.2 - Description The control board comprises : The DIGISTART STV 1312 comprises : - the remote control connection terminals - a power stack, - the output relays, - a power board, - the microcontroller and its peripherals, - a control board.
  • Page 7 Electronic soft starter DIGISTART STV 1312 1.1.3 - Operating diagram T1/U T2/V T3/W Current 400V feedback Mains 230V Supply synch. Gate Drive Programming • Supply monitoring • Watchdog EPROM • Reset Microcontroller EEPROM Programmable relays RUN/STOP RESET 1.1.4 - Setting and operating mode STV 1312 settings are made by a 3 pushbutton keypad.

  • Page 8: General Designation Of The Digistart

    - 16 : 500 V to 690 V - 44 = 44A 1.3 - Main characteristics The DIGISTART STV 1312 has an ingress protection of IP 20. It must be mounted into a cabinet free of dust and condensation. RATING...

  • Page 9: Dimensions And Weight

    Electronic soft starter DIGISTART STV 1312 1.4 - Dimensions and weight 1.4.1 - DIGISTART dimensions • STV 1312 : 6, 10. P4=P5=P6 • STV 1312 : 16, 22. P4=P5=P6...
  • Page 10 Electronic soft starter DIGISTART STV 1312 • STV 1312 : 30, 44. P4=P5=P6...
  • Page 11 Electronic soft starter DIGISTART STV 1312 1.4.2 - Table of dimensions (mm) and weight Rating STV 1312 Mounting Overall Control terminal block Mains Power supply connection L1. L2. L3 4 mm 4 mm 4 mm 4 mm 10 mm 10 mm...

  • Page 12: Mechanical Installation

    Electronic soft starter DIGISTART STV 1312 2 - MECHANICAL INSTALLATION - When the DIGISTART is installed in a cabinet, ensure that ventilation is sufficient to remove excess heat. • The owner or user is responsible for making DIGISTART sure that installation, operation and service of...

  • Page 13: Connections

    Electronic soft starter DIGISTART STV 1312 3 - CONNECTIONS 3.1 - General recommendations - Do not connect any power capacitor between the DI- • All connection works must be carried out GISTART output and the motor. according to the current legislation of the - Use twisted wires for control power supply.

  • Page 14: Control Electronics Supply Connections

    Electronic soft starter DIGISTART STV 1312 3.3.2 - Cross-section of earthing cable 3.4 - Control electronics supply connections Equal to the cross-section of the power cables. • Control power supply must be protected by 3.3.3 - U.R. fuses (high speed fuses) definition using 2 fuses type GI 3.15 A.

  • Page 15: Standard Connections

    Electronic soft starter DIGISTART STV 1312 3.6 - Standard connections 3.6.1 - Standard connection diagram 400V mains supply, momentary Run/Stop control signals. Mains power supply Recommended Emergency remote control stop Power 2 fuses GI 3.15 A 6 x 32 Control board...

  • Page 16: Special Connections

    - For auto-transformer sizing, refer to indicated consump- tions (see section 1.3). - Please consult LEROY-SOMER for the supply of an auto- transformer. DIGISTART STV 1312 - It is preferable to connect the control power supply before the main contactor in order for the control board to remain energized while the power circuit is open.

  • Page 17: Radio-Frequency Interference

    Part 2 : industrial environment. Complies Concern basic standards marked with* 3.8.2 - Conducted and radiated emissions If the wiring instructions are carried out as requested, the DIGISTART STV 1312 complies with the conducted emission stan- dards. Standards Missions Level...

  • Page 18: Commissioning

    Electronic soft starter DIGISTART STV 1312 4 - COMMISSIONING 4.1 - Setting procedure - Each function or setting parameter is given a number • The soft starters use a software, which is or address. adjusted with parameters. Example: Motor In = address n°1 = A1 •...

  • Page 19: Status Indication

    Electronic soft starter DIGISTART STV 1312 4.3 - Status indication The different operating status are identified by a combination of 7 segment display and decimal point indications, see following table : Display status Decimal point status Mode Remarks Choice of display : absorbed current ; absorbed power or...
  • Page 20 Electronic soft starter DIGISTART STV 1312 A9 : Overload trip threshold AF : Restart after mains dip - Expressed as a % of the rated motor power. - Enable or disable the flying restart after mains dip func- - Read the maximum absorbed power when running un- tion.
  • Page 21 Electronic soft starter DIGISTART STV 1312 4.5.2 - Table of parameters The addresses and their contents are given below ; shaded boxes correspond to the factory (default) settings : Designation / Address Value corresponding to displayed code Units Rated motor...
  • Page 22 Electronic soft starter DIGISTART STV 1312 4.5.3 - Programming examples Example 1 : Set address A1 (rated motor current) to 85% : ➪ ➪ ➪ ➪ ➪ ➪ ➪ Rated motor current The corresponding code to be programmed is : 7.

  • Page 23: Programming

    Electronic soft starter DIGISTART STV 1312 4.5.4 - Manipulation of parameters See example below : Action on Step Display Remarks keypad Power up of On powering up the electronics, the DIGISTART dis- control electronics plays operating status in read mode...

  • Page 24: Switching On Power Stack

    Electronic soft starter DIGISTART STV 1312 4.6 - Switching on power stack - At the end of this sequence, a t on the display indicates that the return to factory settings has been made. • Make sure that all protections are on before After reverting to factory settings, the DIGISTART powering up.

  • Page 25: Faults/Diagnostics

    Electronic soft starter DIGISTART STV 1312 5 - FAULTS / DIAGNOSTICS 5.2 - Trip indication The DIGISTART has one 7 segment display unit, the trip 5.1 - Possible causes of malfunction codes are given by an alternate display of 2 figures.

  • Page 26: List Of Trip Codes And Possible Causes

    Electronic starter DIGISTART STV 1312 5.3 - List of trip codes and possible causes Before modifying any DIGISTART settings, check that the cause of the fault is not due to an external problem. Trip code Fault designation Probable cause Checks to be made •...

  • Page 27: Maintenance

    Electronic soft starter DIGISTART STV 1312 6 - MAINTENANCE 6.1 - Care 6.1.1 - Introduction • All work related to the soft starter The DIGISTART requires a minimum of maintenance installation, commissioning and maintenance and repair operations on the part of the user. Detailed must be carried out by experienced and qualified below are normal maintenance operations.
  • Page 28 Notes...

  • Page 29: Summary Of Settings

    Electronic soft starter DIGISTART STV 1312 7 - SUMMARY OF SETTINGS DIGISTART type : DIGISTART N° : Commissioning date : Machine reference : Factory Your setting Your setting Your setting Your setting Designation setting date : date : date :...
  • Page 30 Notes...
  • Page 31 Notes...
  • Page 32 MOTEURS LEROY-SOMER 16015 ANGOULEME CEDEX-FRANCE Imprimerie MOTEURS LEROY-SOMER RC ANGOULEME B 671 820 223...

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