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Related Manuals for Emheater EM-GU Series
Summary of Contents for Emheater EM-GU Series
- Page 2 Preface Thanks for your using EMHEATER EM-GU series 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. In the process of using the soft starter, please note the following Safety Clauses: Please check this user manual carefully before using the product.
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Page 3: Table Of Contents
Table of Contents 1. Products Information ............................... 1 1.1 Motor Soft Starter ............................. 1 1.2 Technical Features ............................. 1 1.3 Technical Specification ............................. 1 2. Product Description and Installation........................2 2.1 Model Explanation ............................2 2.2 Products Model and Installation Dimension ..................... 2 2.3 Installation Environment ........................... -
Page 4: Products Information
EM-GU User’s Manual 1. Products Information 1. Products Information 1.1 Motor Soft Starter EM-GU motor soft starter, the use of intelligent digital control; It used to 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: Product Description And Installation
EM-GU User’s Manual 2. Product Description and Installation 2. Product Description and Installation 2.1 Model Explanation Company code GU series online soft starter Rated voltage: 2: Three phase 220V 3: Three phase 380V I: Cabinet Matched motor: 045: 75kW; 160: 160kW Diagram 2.1 Products model explanation 2.2 Products Model and Installation Dimension Diagram 2.2 EM-GU installation dimension and mounting holes... -
Page 6: Installation Environment
EM-GU User’s Manual 2. Product Description and Installation Rated Rated External Dimensions Installation Dimensions Power Current (mm) (mm) Model (KW) EM-GU3-200 EM-GU3-250 EM-GU3-280 EM-GU3-315 Note: The rated power of motor in the above form is the maximum rated value. Generally, the values of matched motor power capacity should not be more than this value. -
Page 7: Peripheral Devices Connection Diagram
EM-GU User’s Manual 2. Product Description and Installation 2.5 Peripheral Devices Connection Diagram EM-GU series soft starters can be connected to the motor by line mode connection or delta mode connection. Line Mode connection: Diagram 2.4 EM-GU device connection diagram(Line mode) Delta Mode connection: Diagram 2.5 EM-GU delta mode connection diagram... -
Page 8: Description Of Control Circuit Terminals
EM-GU User’s Manual 2. Product Description and Installation 2.6 Description of control circuit terminals Control terminal connection: That is the wire comes from 11 external terminals which including input and output control signal and analogue output or RS485 communication signal. Diagram 2.6 Control circuit terminal Terminal Terminal... -
Page 9: Operation And Display
EM-GU User’s Manual 3. Operation and Display 3. Operation and Display The motor soft starter has five kinds of working state: Ready, starting, Running, stopping and Fault, the showing parameter is easy to understand and modify. 3.1 Keypad and Operation Diagram 3.1 Operation keypad Name Function... - Page 10 EM-GU User’s Manual 3. Operation and Display Prompt: ● Only when the "READY" is displayed, the motor can be started by pressing the running key. ● When the external control terminal is wired in 3-wire mode, the external control start and stop buttons are functionally equivalent to the running key and stop/reset key on the keypad respectively.
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Page 11: Description Of Function Parameters
EM-GU User’s Manual 3. Operation and Display 3.2 Description of Function Parameters Soft Starter Rated Current Description: The default value of the parameter depends on the model, this parameter is read only and can not be modified. Soft Starter Rated Voltage Description: The default value of the parameter depends on the model, this parameter is read only and can not be modified. - Page 12 EM-GU User’s Manual 3. Operation and Display Description: Set F08 hold time, valid for torque starting. End Ramp Time Range: 1s~10s (Default: 3s) Description: Set end acceleration time, valid for torque starting. Soft Stop Time Range: 0s~60s (Default: 0s) Description: Set the time required to soft stop the motor, if the value is “0”, the motor will free stop. Note: One soft starter for 2 motor, this code should set "0".
- Page 13 EM-GU User’s Manual 3. Operation and Display Note: t means action time, Tp means running OL class, I means running current，Ip means motor rated current. The table of motor overload protection characteristics is as follows: Overload capacity Overload Class 1.05Ie 1.2Ie 1.5Ie ∞...
- Page 14 EM-GU User’s Manual 3. Operation and Display Range: 50%-100% (Default: 80%) Description: Set the multiple of undervoltage for soft starter. Under Voltage Time Range: 0s~120s (Default: 5s) Description: Set soft starter undervoltage protection trigger delay time. Current Unbalance P.C. Range: 20%~100% (Default: 40%) Description: Parameter setting for current three-phase unbalance.
- Page 15 EM-GU User’s Manual 3. Operation and Display Range: 0%~150.0% (Default: 20.0%) Description: Analog output lower setting, default 4mA. 4-20mA Upper Calibration Range: 0%~150.0% (Default: 100.0%) Description: Analog output upper setting, default 20mA. Running Over Load(OL) Range: 0~1 (Default: 0) Option: 0: Alarm & Stop 1: Ignore (The protection function is disabled) Starting Over Current(OC) Range: 0~1 (Default: 0)
- Page 16 EM-GU User’s Manual 3. Operation and Display Pump Functions Range: 0~4 (Default: 0) Option: 0: None (Soft starter standard functions) 1: Float Ball (IN1 on: start; IN1 off: stop) 2: Electrical Pressure Gauge (IN1 on: start; IN2 on: stop) 3: Level relay Supply（IN1 off and IN2 off: start；IN1 on and IN2 on: stop） 4: Level relay Drain（IN1 off and IN2 off: stop；IN1 on and IN2 on: start）...
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Page 17: Fault Diagnosis And Solution
EM-GU User’s Manual 3. Operation and Display 3.3 Fault Diagnosis and Solution The soft start writes the protection condition into the program when it is detected and it may trip. The soft start response depends on the protection level. Some of these protection responses cannot be adjusted by the user. These trips are usually caused by external events (e.g. - Page 18 EM-GU User’s Manual 3. Operation and Display Fault Name Possible causes and solutions 2. The parameters are not set correctly. Please adjust the parameters. Related parameters: F20，F21，F40 1. External fault terminal has input. Please check external input terminal. External Fault Related parameters: No parameter adjustment.
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Page 19: Test Run And Application
EM-GU User’s Manual 4. Test Run and Application 4. 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 20: Online Soft Starter Cabinet
EM-GU User’s Manual 5. Online Soft Starter Cabinet 5. Online Soft Starter Cabinet EM-GU3I series online soft starter cabinet is suitable for squirrel cage asynchronous motor control with various loads to ensure reliable start of motor. It has a complete system protection function, extend the service life of the system, reduces the cost of the system, improves the reliability of the system and compatible with various functions of all devices. -
Page 21: Operation And Notice
EM-GU User’s Manual 5. Online Soft Starter Cabinet Rate Power Rated Current External Dimension(mm) Model (KW) (KW) EM-GU3I-011 EM-GU3I-015 EM-GU3I-018 18.5 EM-GU3I-022 EM-GU3I-030 EM-GU3I-037 EM-GU3I-045 EM-GU3I-055 EM-GU3I-075 EM-GU3I-090 EM-GU3I-115 EM-GU3I-132 EM-GU3I-160 1130 EM-GU3I-200 EM-GU3I-250 EM-GU3I-280 1350 EM-GU3I-315 Diagram 6.1 5.3 Operation and Notice Operation: ●... - Page 22 EM-GU User’s Manual 5. Online Soft Starter Cabinet ● Check the wiring and motor before starting the motor. ● After confirmation, press the running key, and the motor starts to run. ● When the Stop/Reset key is pressed, the motor will stop freely (If the soft stop time is set, then soft stop).
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Page 23: Modbus Communication Protocol
EM-GU User’s Manual 6. Modbus Communication Protocol 6. Modbus Communication Protocol 6.1 About Modbus RTU protocol series soft start provides RS485 communication interface and supports Modbus-RTU slave communication protocol, users can achieve centralized control through the computer or PLC. Electrical interface: RS485 Half-Duplex Mode Communication parameter: Baud rate: 9600, 8 bits, No parity bit, 1 stop bit. -
Page 24: Abnormal Feedback
EM-GU User’s Manual 6. Modbus Communication Protocol 0x0131 fault record 85: Running over load 90: Running over current 86: Starting over load 91: Starting over current 0x0132 fault record 87: Under load 99: Phase Sequence failure 0x0133 fault record 88: Over current 9A: Reserved 0x0134 fault record... -
Page 25: Appendix I Function Code Table
EM-GU User’s Manual Appendix I Function Code Table Appendix I Function Code Table Note: Parameters with "*" are read-only parameters and cannot be changed. Code Parameter Name Functional description Default Model *F00 Soft Starter Rated Current dependent Model *F01 Soft Starter Rated Voltage dependent Model Mot Rated Current... - Page 26 EM-GU User’s Manual Appendix I Function Code Table Code Parameter Name Functional description Default Running Overcurrent(OC) P.C. 50%-600% 200% Running Overcurrent(OC) Time 0s-6000s Over Voltage P.C. 100%~140% 120% Over Voltage Time 0s~120s Under Voltage P.C. 50%-100% Under Voltage Time 0s~120s Current Unbalance P.C.
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