Emheater EM-GS Series User Manual
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Emheater EM-GS Series User Manual

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North America
South America
China EM Technology Limited
Address :
No.80, Baomin 2 road, Xixiang, Bao'an District,Shenzhen ,China
Phone:
86-0755-29985851
Fax:
86-0755-29970305
Zip code:
518101
www.emheater.com
Website :
Europe
Asia
EMHEATER
Africa
Southeast Asia
Oceania
User's Manual
EM-GS Series Soft Starter
China EM Technology Limited
EMHEATER

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  • Page 1 EMHEATER User’s Manual EM-GS Series Soft Starter Europe North America Asia EMHEATER Africa Southeast Asia South America Oceania China EM Technology Limited Address : No.80, Baomin 2 road, Xixiang, Bao'an District,Shenzhen ,China Phone: 86-0755-29985851 Fax: 86-0755-29970305 Zip code: 518101 China EM Technology Limited www.emheater.com...
  • Page 2 Safety Clauses Safety Clauses Thanks for your using EMHEATER intelligent motor soft starter, this product is used for three-phase squirrel cage induction motor soft starting and soft stopping control. Before using, please carefully read and understand the contents of this manual.

  • Page 3: Table Of Contents

    Table of Contents EM-GS User's Manual Table of Contents 1. EM-GS Series Soft Starter ............................. 1 1.1 Motor soft starter profile ..........................1 1.2 The main function ............................1 1.3 The main feature of soft starter ........................1 1.4 Technical specification ............................ 2 2.

  • Page 4: Em-Gs Series Soft Starter

    EM-GS User's Manual 1. EM-GS Series Soft starter 1. EM-GS Series Soft Starter 1.1 Motor soft starter profile Intelligent motor soft starter, the use of intelligent digital control; With the single chip processor as the intelligence center, thyristor module for actuators for full automatic control motor. It applies various squirrel-cage asynchronous motor control of load, the motor can smooth starting under any working conditions, protect the drag system, reduce the starting current impact on power grid, ensure reliable motor starting.

  • Page 5: Technical Specification

    1. EM-GS Series Soft starter EM-GS User's Manual  Independently software copyright.  Motor starting and protection proprietary technology.  Unique way to detect debug equipment and process. Quick and thoughtful after-sales service  Reliable performances lay the foundation of qualified service and quality.
  • Page 6 EM-GS User's Manual 1. EM-GS Series Soft starter Item Description Place to be Indoor location with good ventilation free from corrosive gas and conductive used dust. Below 1000M. It have to rise the rate power when the altitude is more than...

  • Page 7: Nameplate Explanation And Inspection

    2. Nameplate Explanation and Inspection EM-GS User's Manual 2. Nameplate Explanation and Inspection Please check up the products before using, if in some problems; please do not hesitate to contact us with any request for additional information. Check-up the type of product whether it is the right one you order. Nameplate explanation: Diagram 2.1 Model explanation:...

  • Page 8: Usage Condition And Installation

    EM-GS User's Manual 3. Usage Condition and Installation 3. Usage Condition and Installation It is strict rule for the users to use or install the soft starter according to the requirement; otherwise, it will be in bad result. 3.1 The usage condition ...

  • Page 9: The Installation Dimensions

    3. Usage Condition and Installation EM-GS User's Manual 3.3 The installation dimensions The external shape and installation dimensions of 5.5KW ~ 75KW(Diagram 3.4). Dimensional drawing Mounting holes schematic External Installation Model Power Current Dimensions (mm) Dimensions (mm) 220V 380V 480V (KW) (K.G) EM-GS3-5d5 EM-GS4-5d5...

  • Page 10: Installation Diagram

    575 M10 <40 3.4 Installation diagram The EM-GS series soft starter has three types of connection as following:  Main circuit connection: It contains the wiring of 3-phase source input, the output to motor, and the pass -by contactor connection.
  • Page 11 3. Usage Condition and Installation EM-GS User's Manual Diagram 3.6...

  • Page 12: Connection And External Terminal

    EM-GS User's Manual 4. Connection and External Terminal 4. Connection and External Terminal 4.1 The external terminal Please see the diagram diagram 4.1:  Terminal ① ② are by-pass output, are used to control the by-pass contactor. They are normal open contacts and Diagram 4.1 ...
  • Page 13 4. Connection and External Terminal EM-GS User's Manual ① is RS485+ Diagram 4.3 ⑥ is RS485- ② is RS232 output. ③ is RS232 input. ④ is +5V output (limit-current is 50mA) ⑤ is earthed GND. ⑦⑧⑨ are empty. The user can choose the following software: ...
  • Page 14 EM-GS User's Manual 4. Connection and External Terminal Diagram 4.5...

  • Page 15: Control Panel And Operation

    5. Control Panel and Operation EM-GS User's Manual 5. Control Panel and Operation The motor soft starter has five kinds of working state; Ready ,Run ,Error, Starting and Stopping, the showing parameter is easy to understand and modify. 5.1 The operation of control panel Diagram 5.1 ...

  • Page 16: Parameters Set And Explanation

    EM-GS User's Manual 5. Control Panel and Operation ratio over 100%, starter will stop and alarm over load, the keypad displaying "Error 8".  There will be a sound when pressing key is valid，no sound means this key is invalid under this state. ...
  • Page 17 5. Control Panel and Operation EM-GS User's Manual Explanation The range of Default Code Special explanation for codes value value 0. Primary protection 1. Light-load protection Protection 2. Standard protection Level 3. Heavy-load protection 4. The superior level protection 0: Run by keypad 1: Run by keypad and terminal 2: Run by terminal Operation...

  • Page 18: Parameters Code Function Explanation

    EM-GS User's Manual 5. Control Panel and Operation 5.3 Parameters code function explanation The parameter “Fb” is used to set the control ways of soft starter; as the following form: Numerical value Keypad External terminal control RS485 Communication Note: In the above form,"1" is allowing,"0" is forbidding. For example, If you press keypad "RUN", and meet If the "External Control"...

  • Page 19: The Complete Solution Of Default Setting And User Debugging

    5. Control Panel and Operation EM-GS User's Manual Helping message Form Message displayed Explanation AC: XXXXV That is the 3-phase power voltage is AC 380V. 030A-380V That is the specification is AC 380V, 50Hz, 30A. H1: Error 5 The fault message Err05 that happened at the last time. H9: Error 0 It says no fault happened.

  • Page 20: Protection Functions And Directions

     Motor less load protection delay time: The protection range (10% ~ 90%) is set by FU; the delayed time is 5~90 seconds. When FU < 10, the protection is invalid. 6.1 Protection classes and explanation According different usage conditions, EM-GS series Soft Starter has five protection classes, as following: 0. Primary protection 1. Light-load protection 2.
  • Page 21 6. Protection Functions and Directions EM-GS User's Manual 0:Basic 1:Light-load 2:Standard 3:Heavy-load 4:Superior FA code Note protection protection protection protection protection The grade of Standard of overload 2 grade 10 grade 20 grade 10 grade IEC60947-4-2 protection The grade of The 5 times of over-current 3 Second...

  • Page 22: Test Run And Application

    EM-GS User's Manual 7. Test Run and Application 7. Test Run and Application Please do some examinations before test running as following:  Whether the rated power of soft starter is matched with the Motor.  Whether the insulation of motor meets requirement. ...

  • Page 23: The Starting Mode And Application

    7.2 The starting mode and application The EM-GS series soft starter has six starting modes for the user to select according the motor and load equipments. 7.2.1 Current-limit to start (The F9 code is set as"0") Diagram 7.1 shows the waveform of motor current . I1 is the starting limit-current preset value.

  • Page 24: Torque Control + Current Limit Or + Voltage Ramp To Start

    EM-GS User's Manual 7. Test Run and Application voltage value of starting. When starting, if the motor current is not more 400% than the rated current, the output voltage of soft starter will rapidly rise to U1, and the output voltage rises gradually to the rated voltage (Ue), and the motor gradually increase and until running at rated voltage and speed, and then the bypass contactor closed, the starting process finished.

  • Page 25: Voltage Current-Limiting Double Closed-Loop Start

    7. Test Run and Application EM-GS User's Manual and is suit for the bipolar motors, and it can reduce the starting time. Diagram 7.5 7.2.5 Voltage current-limiting double closed-loop start (Both voltage ramp and current limit) to start (The F9 items set as"5"). This starting mode uses voltage ramp and current limit double closed loop circuit;...

  • Page 26: Application Examples

    EM-GS User's Manual 7. Test Run and Application  Soft starter parallel connected with one power-line: If several soft starter parallel installed in the one power line, the input line reactor should be installed in the middle of the transformer and the soft starter circuit. Reactor should be installed at each line input side between circuit breaker and soft starter.
  • Page 27 Appendix I EM-GS User's Manual Appendix I The soft start (5.5KW~600KW) selection list of peripheral appliances are as follows: Rated power Rated current By-pass Cable size Model Breaker (A) (KW) contactor(A) EM-GS3-5d5 4 mm EM-GS3-7d5 4 mm EM-GS3-011 6 mm EM-GS3-015 10 mm EM-GS3-018...
  • Page 28 EM-GS User's Manual Appendix II Appendix II...
  • Page 29 Appendix II EM-GS User's Manual...

  • Page 30: Quality Warranty

    EM-GS User's Manual Quality Warranty Quality Warranty The warranty of soft starter is as follows: (1) Warranty period under normal conditions. We provide guarantees for repair and replacement in 1 month from the date of use. We provide guarantee for repair in 12 months from the date of use or 18 month from the date of ex-factory. (2) The purchaser enjoys life-long paid service whenever and wherever he uses a motor soft starter made in our company.

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