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Emheater EM15 Series User Manual

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EM15 Series Frequency Inverter

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Summary of Contents for Emheater EM15 Series

  • Page 1 EM15 Series Frequency Inverter...
  • Page 2 Preface Preface Thank you for purchasing the EM15 series frequency inverter developed by China EM Technology Limited. EM15 series inverter is our company adopted the new concept to research and developed high-performance product. With unique control model, this inverter can realize high torque, high precision, wide variable speed and low noise drive;...

  • Page 3: Table Of Contents

    Table of Contents EM15 User’s Manual Table of Contents 1. Safety Information and Precautions ......................1 1.1 Safety Information ..........................1 1.2 General Precautions ..........................3 2. Product Information ............................. 5 2.1 Products Lable and Model Designation ....................5 2.1.1 Product appearance ..........................5 2.2 Technical Specifications ........................
  • Page 4 EM15 User’s Manual Table of Contents 5.17 Group C3: ................. 88 Constant pressure water supply parameters 5.18 Group d0: Motor Parameters ......................88 5.19 Group d1: Motor vector control parameters ..................91 5.20 Group d2: Motor V/F Control Parameters ..................94 5.21 Group d6: Control Optimization Parameters 1 ..................

  • Page 6: Safety Information And Precautions

    Warning Read this manual carefully so that you have a thorough understanding. Installation, commissioning or maintenance may be performed in conjunction with this chapter. EMHEATER will assume no liability or responsibility for any injury or loss caused by improper operation.
  • Page 7 EM15 User’s Manual 1. Safety Information and Precautions ⚫ Check that the following requirements comply with: The voltage class of the power supply is consistent with the rated voltage class of Before the frequency inverter. The input terminals (R, S, T) and output terminals (U, V, power-on W) are properly connected.

  • Page 8: General Precautions

    EM15 User’s Manual 1. Safety Information and Precautions 1.2 General Precautions 1.2.1 Motor insulation test Perform the insulation test when the motor is used for the first time, or when it is reused after being stored for a long time, or in a regular check-up, in order to prevent the poor insulation of motor windings from damaging the frequency inverter.
  • Page 9 EM15 User’s Manual 1. Safety Information and Precautions inverter will be damaged. 1.2.10 Surge suppressor The frequency inverter has a built-in voltage sensitive resistor for suppressing the surge voltage. Using frequently surge place, please add extra surge voltage protection device at input side of frequency inverter. Note: Do not add the surge suppressor at the output side of the frequency inverter.

  • Page 10: Product Information

    EM15 User’s Manual 2. Product Information 2. Product Information Products Lable and Model Designation EM15 Series Frequency Inverter Products Type: G: General use P: Fan&Pump Voltage range: 1: Single phase 220V 13: Single phase 220V to Three phase 380 2: Three phase 220V...

  • Page 11: Technical Specifications

    2. Product Information EM15 User’s Manual 2.2 Technical Specifications ⚫ Input Voltage: 220V/380V/480V/575V/660V± 15% ⚫ Input Frequency: 47~63Hz ⚫ Input Frequency Resolution: 0.01Hz ( Digital setting ); maximum frequency × 0.025% ( Analog setting ) ⚫ Output Voltage:0~Rated input voltage ⚫...

  • Page 12: Model And Technical Data

    EM15 User’s Manual 2. Product Information 2.3 Model and Technical data Power Capacity Adaptable Motor Input Current Output Current Model (KVA) Single phase 220V 50/60Hz EM15-G1-d75 0.75 EM15-G1-1d5 EM15-G1-2d2 Three phase 220V 50/60Hz EM15-G2-d75 0.75 EM15-G2-1d5 EM15-G2-2d2 10.5 EM15-G2-004 14.6 EM15-G2-5d5 EM15-G2-7d5 EM15-G2-011...
  • Page 13 2. Product Information EM15 User’s Manual Adaptable Motor Power Capacity Input Current Output Current Model (KVA) EM15-G3-220/P3-250 280/355 430/468 426/465 220/250 300/370 EM15-G3-250/P3-280 355/396 468/525 465/520 250/280 370/400 EM15-G3-280/P3-315 396/445 525/590 520/585 280/315 400/420 EM15-G3-315/P3-355 445/500 590/665 585/650 315/355 420/500 EM15-G3-355 EM15-G3-400 EM15-G3-450...

  • Page 14: Product Appearance And Installation Dimension

    EM15 User’s Manual 2. Product Information 2.4 Product appearance and installation dimension 2.4.1 Appearance and Installation Hole Dimension (mm) Diagram 2-3 Three phase 0.75~2.2kW Wall-mounted installation dimensions Appearance and installing dimension ( Unit: mm ) Matching inverter Voltege Power Range 1PH 220V 0.75~2.2kW 3PH 220V...
  • Page 15 2. Product Information EM15 User’s Manual Diagram 2-5 Three phase 30~500kW Wall-mounted installation dimensions Appearance and installing dimension ( Unit: mm ) Matching inverter Voltege Power Range 3PH 220V 15~18.5kW Φ7 3PH 380V 30~37kW 3PH 480V 30~37kW 3PH 220V 22~30kW Φ10 3PH 380V 45~55kW...
  • Page 16 EM15 User’s Manual 2. Product Information Diagram 2-6 Three phase 160~500kW Floor-mounted installation dimensions Appearance and installing dimension ( Unit: mm ) Matching inverter Voltege Power Range 3PH 220V 75kW Φ14 3PH 380V 160~220kW 1397 3PH 480V 160~220kW 3PH 380V 250~315kW Φ14 1552...

  • Page 17: Daily Maintenance Of Frequency Inverters

    2. Product Information EM15 User’s Manual 2.5 Daily maintenance of frequency inverters 2.5.1 Daily maintenance Due to the influence of temperature, humidity, dust and vibration, it will lead to poor heat dissipation and component aging of frequency inverter, and results in potential failure or reducing the service life of frequency inverter.

  • Page 18: Selection Guide Of Braking Component

    EM15 User’s Manual 2. Product Information 2. Long-term storage can lead to the degradation of electrolytic capacitors, and must ensure to power on for once within 2 years. And the power-on time is at least 5 hours. The input voltage must slowly rise to the rating by using the voltage regulator.
  • Page 19 2. Product Information EM15 User’s Manual Recommend Recommend Braking Inverter Power Remarks power of braking resistance value of unit resistor braking resistor ≥ 65Ω EM15-G2-2d2 300W ≥ 45Ω EM15-G2-004 400W ≥ 22Ω EM15-G2-5d5 800W ≥ 16Ω EM15-G2-7d5 1000W ≥ 11Ω EM15-G2-011 1500W ≥...
  • Page 20 EM15 User’s Manual 2. Product Information 2.6.3 Braking resistor connection description The braking resistor connection of EM15 series frequency inverter is showed as below: Braking Inverter Braking R esis tor Inverter B raking Res istor Uni t Diagram 2-9 Braking resistor connection scheme...

  • Page 21: Installation Of Frequency Inverter

    3. Installation of Frequency Inverter EM15 User’s Manual 3. Installation of Frequency Inverter 3.1 Installation environment 1. The place with indoor vents or ventilation devices. 2. The environment temperature shall be -10℃~40℃. If the temperature is over 40℃but less than 50℃, better to take down the cover of frequency inverter or open the front door of cabinet to facilitate heat dissipation.

  • Page 22: Peripheral Devices Connection Diagram

    EM15 User’s Manual 3. Installation of Frequency Inverter 3.3 Peripheral Devices Connection Diagram Diagram 3-2 Peripheral Devices Connection 3.4 Instructions of Main Circuit Peripheral Devices Table 3-1 Main circuit peripheral devices use instructions Parts Name Function Description Installation Location: Front of input circuit The capacity of the circuit breaker shall be 1.5 to 2 times of the rated current of the inverter.

  • Page 23: Model Selection Of Main Circuit Peripheral Devices

    3. Installation of Frequency Inverter EM15 User’s Manual Installation Location: Frequency inverter input side / near the frequency inverter The inverter power supply capacity is more than 600kVA or 10 times of the inverter capacity. If there is switch type reactive-load compensation capacitor or load with silicon control at the same power, there will be high peak current flowing into input power circuit, causing the Input AC damage of the rectifier of frequency inverter.

  • Page 24: Removal And Mounting Of Operating Panel And Cover

    3.6.1 Removal and mounting of operating panel (keypad) The operating panel of EM15 series frequency inverter is a plug type, If you need to take it off when use or maintenance, please make sure the gentle actions, or it is easy to damage the plug type connection terminals on operating panel.
  • Page 25 3.6.2 Removal and Mounting of Frequency Inverter The EM15 series frequency inverter below 22kw (380V) uses plastic case. The removal and mounting of upper cover refers Diagram3-5. Please use tool to push the hooks on both side of lower cover.

  • Page 26: Connection Terminals Diagram Description

    3.7 Connection Terminals Diagram Description Control circuit terminals Main circuit terminals Grounding Diagram 3-7 EM15 Series terminal distribution diagram 3.8 Sketch and Description of Main Circuit Terminals 3.8.1 Function and description of Main Circuit Terminals Single phase 220V：EM15-G1-d75 ~ EM15-G1-2d2 Three phase 220V：EM15-G2-d75 ~ EM15-G2-2d2...
  • Page 27 3. Installation of Frequency Inverter EM15 User’s Manual Note：P + and P- are DC input, prohibit external braking unit Three phase 220V：EM15-G2-015 ~ EM15-G2-045 Three phase 380V：EM15-G3-030/P3-037 ~ EM15-G3-090/P3-110 Three phase 480V：EM15-G4-030/P4-037 ~ EM15-G4-090/P4-110 Three phase 220V：EM15-G2-055 ~ EM15-G2-075 Three phase 380V：EM15-G3-110/P3-132~ EM15-G3-500 Three phase 480V：EM15-G4-110/P4-132 ~ EM15-G4-500 Note：When P and P + are connected to external DC reactors, the internal short-circuited copper bars need to be removed...

  • Page 28: Cautions For Main Circuit Wiring

    EM15 User’s Manual 3. Installation of Frequency Inverter 3.9 Cautions for Main Circuit Wiring 3.9.1 Power Supply Wiring ⚫ It is forbidden to connect the power cable to the inverter output terminals, otherwise, the internal components of the inverter will be damaged. ⚫...
  • Page 29 3. Installation of Frequency Inverter EM15 User’s Manual ⚫ When the input noise filter is installed, the cable connecting the filter to the inverter input power side shall be as short as possible. ⚫ The filter case and mounting cabinet shall be reliably grounded in large area to reduce the back flow impedance of the noise current Ig.

  • Page 30: Control Circuit And Main Circuit Terminals Description

    EM15 User’s Manual 3. Installation of Frequency Inverter 3.10 Control Circuit and Main Circuit Terminals Description 3.10.1 Control Circuit and Main Circuit Wiring Diagram 3-11 Control Circuit and Main Circuit Wiring 3.10.2 Control Circuit Terminal Layout Diagram 3-12 Single/Three phase 0.75~2.2kW Control Circuit Terminal Sketch Map...
  • Page 31 3. Installation of Frequency Inverter EM15 User’s Manual Diagram 3-13 Three phase 4Kw and above Control Circuit Terminal Sketch Map 3.10.3 Description of control circuit terminals Table 3-3 Description of control circuit terminals Terminal Type Terminal Name Terminal function description Symbol Provide +10V power supply to external unit.
  • Page 32 EM15 User’s Manual 3. Installation of Frequency Inverter Terminal Type Terminal Name Terminal function description Symbol 485+ RS485 Communication Input and output signal terminals for MODBUS protocol Output port terminal communication 485- PG cards: Open-collector, differential are selectable options. PG card interface Auxiliary Communications expansion Reversed...
  • Page 33 3. Installation of Frequency Inverter EM15 User’s Manual 3.10.5 Wiring of Digital Input Terminals Diagram 3-15 Wiring of digital input terminals in four different modes please install a fly-wheel diode to the two sides of relay. Please correctly install the polarity of fly-wheel diode, otherwise control card and DSP will be damaged.

  • Page 34: Operation And Display

    EM15 User’s Manual 4. Operation and display 4. Operation and display 4.1 Instruction of operation and display Diagram 4-1 Operating Ke ypad Name Function The 5-digit LED display is able to display the setting frequency, output frequency, Main LED display monitoring data and Error codes.

  • Page 35: Viewing And Modifying Function Codes

    4. Operation and display EM15 User’s Manual 4.2 Viewing and Modifying Function Codes The operation panel of the EM15 adopts three-level menu. The three-level menu consists of function code group (Level I), function code (Level II), and function code setting value (level III), as shown in the following figure.

  • Page 36: Password Setting

    EM15 User’s Manual 4. Operation and display 4.4 Password Setting The frequency inverter provides the user password protection function. When A0-00 is set to a non-zero value, the value is the user password. The password takes effect after you exit the function code editing status. When you press "PRG"...

  • Page 37: Description Of Function Codes

    5.Description of Function Codes EM15 User's Manual 5. Description of Function Codes 5.1 Group b0: Basic Function Parameters Motor type selection Default b0-00 Setting AC asynchronous motor Range 0- select Motor 1 as AC asynchronous motor Motor control mode Default Sensor-less vector control (SVC) b0-01 Setting...
  • Page 38 EM15 User’s Manual 5. Description of Function Codes Main frequency source X selection Default Digital setting (UP/DOWN modifiable, no-record after power off) Digital setting (UP/DOWN modifiable, record after power off) b0-03 Setting Range Pulse setting Multi-function Built-in PLC Communication setting It is used to select the setting channel of the main frequency.
  • Page 39 5.Description of Function Codes EM15 User's Manual functions 12 to 15) in Group C1. The multiple segments speed indicates percentages of the value of b0-13 (Maximum frequency). If a DI terminal is used for the Multi-function function, you need to perform relatedsetting in group b3.For details, refer to the descriptions of Group b3.
  • Page 40 EM15 User’s Manual 5. Description of Function Codes Selection of auxiliary frequency Y range Default b0-05 Relative to maximum frequency Setting Range Relative to main frequency X Range of auxiliary frequency Y Default 100% b0-06 Setting Range 0%~150% If X and Y operation is used, b0-05 and b0-06 are used to set the adjustment range of theauxiliary frequency source. You can set the auxiliary frequency to be relative to either maximum frequency or main frequency X.
  • Page 41 5.Description of Function Codes EM15 User's Manual Range 0.1Hz 0.01Hz This parameter is used to set the resolution of the encoder knob frequency adjustment. When b0-08 is 1Hz, the encoder knob rotation changes with 1Hz resolution. When b0-08 is 0.1Hz, the encoder knob rotation changes with 0.1Hz resolution. Binding command source to frequency source Default Unit's digit: Binding keypad command to following frequency source.
  • Page 42 EM15 User’s Manual 5. Description of Function Codes Setting Range 0.00 ~ maximum frequency (b0-13) If the frequency source is digital setting or terminal UP/DOWN, the value of this parameter is the initial frequency of the frequency inverter (digital setting). Maximum frequency Default 50.00 Hz...
  • Page 43 5.Description of Function Codes EM15 User's Manual complete. Base frequency for UP/ DOWN modification during running Default b0-19 Running frequency Setting Range Setting frequency This parameter is valid only when the frequency source is digital setting. It is used to set the base frequency to be modified by using keys or the terminal UP/DOWN function.
  • Page 44 EM15 User’s Manual 5. Description of Function Codes Diagram 5-3 Acceleration/Deceleration time The EM15 provides totally four groups of acceleration/deceleration time for selection. You can perform switchover by using a DI terminal. And you can set the four groups of acceleration/deceleration time through the following function codes: Group 1: b0-21, b0-22;...

  • Page 45: Group B1: Start/Stop Control Parameters

    5.Description of Function Codes EM15 User's Manual Note: Modifying this parameter will make the decimal places of all frequency-related parameters change and corresponding frequency values change. Pay attention for this in on-site application. Acceleration/Deceleration time base frequency Default Maximum frequency (b0-13) b0-26 Setting Set frequency...
  • Page 46 EM15 User’s Manual 5. Description of Function Codes Startup frequency Default 0.00 Hz b1-03 Setting Range 0.00~10.00 Hz Startup frequency holding time Default 0.0s b1-04 Setting Range 0.0s~100.0s To ensure the motor torque at frequency inverter startup, set a proper startup frequency. In addition, to build excitation when the motor starts up, the startup frequency must be held for a certain period.

  • Page 47: Group B2: Auxiliary Functions

    5.Description of Function Codes EM15 User's Manual DC braking initial frequency of stopping Default 0.00 Hz b1-08 Setting Range 0.00 Hz ~ maximum frequency DC braking waiting time of stopping Default 0.0s b1-09 Setting Range 0.0s~100.0s DC braking current of stopping Default b1-10 Setting Range...
  • Page 48 EM15 User’s Manual 5. Description of Function Codes stop" (b1-07 = 0) during jogging. Acceleration time 2 Default Model dependent b2-03 Setting Range 0.0s~6500.0s Deceleration time 2 Default Model dependent b2-04 Setting Range 0.0s~6500.0s Acceleration time 3 Default Model dependent b2-05 Setting Range 0.0s~6500.0s...
  • Page 49 5.Description of Function Codes EM15 User's Manual jump frequencies are valid during acceleration/deceleration. Diagram 5-7 Diagrams when the jump frequencies are valid during acceleration/deceleration Frequency switchover point between acceleration time 1 and Default 0.00Hz b2-13 acceleration time 2 Setting Range 0.00 Hz ~maximum frequency Frequency switchover point between deceleration time 1 and Default 0.00Hz...
  • Page 50 EM15 User’s Manual 5. Description of Function Codes prohibited, set this parameter to 1. Forward/Reverse rotation dead-zone time Default 0.0s b2-16 Setting Range 0.0~3000.0s It is used to set the time when the output is 0 Hz at transition of the frequency inverter forward rotation and reverse rotation, as shown in the following figure.
  • Page 51 5.Description of Function Codes EM15 User's Manual Cooling fan control Default b2-23 Fan working during running Setting Range Fan working during power on It is used to set the working mode of the cooling fan. If this parameter is set to 0, the fan works when the frequency inverter is in running state.

  • Page 52: Group B3: Input Terminals

    EM15 User’s Manual 5. Description of Function Codes DI terminal status after power on Default b2-32 Valid Setting Range Invalid This parameter is used to enable the frequency inverter safety protection. If it is set to 1, the frequency inverter does not respond to the run command after power-on (for example, an input terminal is ON before power-on).
  • Page 53 5.Description of Function Codes EM15 User's Manual Value Function Description Terminal 2 for acceleration/ deceleration time selection The terminal is used to perform switchover between two frequency Frequency source switchover sources according to the setting in b0-07. Switchover between main After this terminal becomes ON, the frequency source X is replaced frequency source X and digital by the digital setting frequency (b0-12).
  • Page 54 EM15 User’s Manual 5. Description of Function Codes Value Function Description After this terminal becomes ON, the frequency inverter reports Err15 Normally closed (NC) input of and performs the fault protection action. For more details, see the external fault description of bb-32. User-defined fault 1 If these two terminals become ON, the frequency inverter reports Err27 and Err28 respectively, and performs fault protection actions...
  • Page 55 5.Description of Function Codes EM15 User's Manual voltage source for V/F separation, satisfying the requirement on switchover of different setting values. Table 5-2 Function description of Acceleration/Deceleration time selection terminals Terminal 2 Terminal 1 Acceleration/Deceleration Time Corresponding Selection Parameters Acceleration/Deceleration time 1 b0-21, b0-22 Acceleration/Deceleration time 2 b2-03, b2-04...
  • Page 56 EM15 User’s Manual 5. Description of Function Codes b3-13 Terminal command mode Two-line 2 b3-00 DI1 function selection RUN enabled b3-01 DI2 function selection Forward or reverse direction Diagram 5-11 Setting of two-line mode 2 As shown in the preceding figure, if K1 is ON, the frequency inverter instructs forward rotation when K2 is OFF, and instructs reverse rotation when K2 is ON.
  • Page 57 5.Description of Function Codes EM15 User's Manual b3-02 DI3 function selection Three-line control Diagram 5-13 Setting of three-line mode 2 As shown in the preceding figure, if SB1 is ON, the frequency inverter starts running when SB2 is pressed to be ON; the frequency inverter instructs forward rotation when K is OFF and instructs reverse rotation when K is ON.

  • Page 58: Group B4: Output Terminals

    EM15 User’s Manual 5. Description of Function Codes DI valid selection 1 Default 00000 Unit's digit: DI1 valid mode. High level valid Low level valid b3-25 Setting Ten's digit: DI2 valid mode.0, 1 (same as DI1) Range Hundred's digit: DI3 valid mode.0, 1 (same as DI1) Thousand's digit: DI4 valid mode.0, 1 (same as DI1) Ten thousand's digit: DI5 valid mode.0, 1 (same as DI1) These parameters are used to set the valid mode of DI terminals.
  • Page 59 5.Description of Function Codes EM15 User's Manual Value Function Description Frequency upper limit If the running frequency reaches the upper limit, the terminal becomes ON. reached Frequency lower limit If the running frequency reaches the lower limit, the terminal becomes ON. reached (no output at stop) In the stop state, the terminal becomes OFF.
  • Page 60 EM15 User’s Manual 5. Description of Function Codes Value Function Description If AI1 input is larger than the value of b5-06 (AI1 input voltage upper limit) AI1 input limit exceeded or lower than the value of b5-05 (AI1 input voltage lower limit), the terminal becomes ON.
  • Page 61 5.Description of Function Codes EM15 User's Manual value (b4-22).The FDT function is shown in the following Diagram 5-14. Diagram 5-14 FDT level Detection width of frequency Default 0.0% b4-24 Setting Range 0.0%~100.0%(maximum frequency) If the frequency inverter running frequency is within the certain range of the set frequency, the corresponding DO terminal becomes ON.
  • Page 62 EM15 User’s Manual 5. Description of Function Codes Setting Range 0.0%~100.0% (maximum frequency) Any frequency reaching detection value 2 Default 50.00 Hz b4-29 Setting Range 0.00 Hz ~ maximum frequency Any frequency reaching detection amplitude 2 Default 0.0% b4-30 Setting Range 0.0%~100.0% (maximum frequency) If the output frequency of the frequency inverter is within the positive and negative amplitudes of the any frequency reaching detection value, the corresponding DO becomes ON.
  • Page 63 5.Description of Function Codes EM15 User's Manual Over current output threshold Default 200.0% b4-33 Setting Range 0.0%~300.0% (rated motor current) Over current output detection delay time Default 0.00s b4-34 Setting Range 0.00s~600.00s If the output current of the frequency inverter is equal to or higher than the over current threshold and the duration exceeds the detection delay time, the corresponding DO becomes ON.

  • Page 64: Group B5: Pulse/Analog Input Terminals

    EM15 User’s Manual 5. Description of Function Codes Diagram 5-19 Any current reaching detection IGBT module temperature reaching threshold Default 75° C b4-39 Setting Range 25~100° C When the heatsink temperature of the frequency inverter reaches the value of this parameter, the corresponding DO becomes ON, indicating that the IGBT module temperature reaches the threshold.
  • Page 65 5.Description of Function Codes EM15 User's Manual Corresponding setting of AI1 maximum input value Default 100.0% b5-10 Setting Range -100.0% ~100.0% AI1 input filting time Default 0.01s b5-11 Setting Range 0.00s~10.00s AI2 input minimum value Default 2.00V b5-12 Setting Range 0.00 V~10.00 V Corresponding setting of AI2 minimum input Default...
  • Page 66 EM15 User’s Manual 5. Description of Function Codes Diagram 5-21 Corresponding relationship between analog input and setting values b5-11 (AI1 filting time) is used to set the software filter time of AI1. If the analog input is liable to interference, increase the value of this parameter to stabilize the detected analog input.

  • Page 67: Group B6: Pulse/Analog Output Terminals

    5.Description of Function Codes EM15 User's Manual AI curve selection Default H321 Unit’s digit:AI1 curve selection curve 1(2 point, refer b5-07~b5-10) curve 2(2 point, refer b5-12~b5-15) b5-44 curve 3(2 point, refer b5-17~b5-20) Setting Range curve 4(4 point, refer b5-22~b5-29) curve 5(4 point, refer b5-30~b5-37) Ten’s digit:AI2curve selection,same as above Hundred’s digit:AI3 curve selection,same as above AI lower than minimum input setting selection...

  • Page 68: Group B7: Virtual Digital Input (Vdi)/Digital Output (Vdo) Terminals

    EM15 User’s Manual 5. Description of Function Codes Value Function Range (Corresponding to Pulse or Analog Output Range 0.0%~100.0%) Output torque (actual value) -200% of rated motor torque~ 200% of rated motor torque Maximum FMP output frequency Default 50.00 kHz b6-03 Setting Range 0.01 kHz ~100.00 kHz...
  • Page 69 5.Description of Function Codes EM15 User's Manual Ten's digit: VDI2 0, 1 (same as VDI1) Hundred's digit: VDI3. 0, 1 (same as VDI1) Thousand's digit: VDI4. 0, 1 (same as VDI1) Ten thousand's digit: VDI5. 0, 1 (same as VDI1) Different from DI terminals, VDI state can be set in two modes, selected in b7-05: ⚫...
  • Page 70 EM15 User’s Manual 5. Description of Function Codes The setting of AI (used as DI) function is the same as that of DI. For details, see the descriptions of DI setting. The following figure takes AI input voltage as an example to describe the relationship between AI input voltage and corresponding DI state.

  • Page 71: Group B9: Keypad And Display

    5.Description of Function Codes EM15 User's Manual board. In this case, VDOx and DIx are one-to-one mapping relationship. ⚫ If VDO function is set to non-0, the function setting and use of VDOx are the same asDO in group b4. The VDOx state valid can be set in b7-21.
  • Page 72 EM15 User’s Manual 5. Description of Function Codes LED display running parameters 1 Default H.001F 0000~FFFF: b9-02 Setting Range If a parameter needs to be displayed during the running, set the corresponding bit to 1, and set b9-02 to the hexadecimal equivalent of this binary number. LED display running parameters 2 Default H.0000...
  • Page 73 5.Description of Function Codes EM15 User's Manual LED display parameter of stopping Default H.0033 0000~FFFF: b9-04 Setting Range If a parameter needs to be displayed during the stopping, set the corresponding bit to 1, and set b9-04 to the hexadecimal equivalent of this binary number. Load speed display coefficient Default 0.2920...

  • Page 74: Group Ba: Communication Parameters

    EM15 User’s Manual 5. Description of Function Codes Accumulative running time Default b9-08 Setting Range 0~65535 h It is used to display the accumulative running time of the frequency inverter. After the accumulative running time reaches the value set in b2-21, the terminal with the digital output function 12 becomes ON. Accumulative power-on time Default b9-09...

  • Page 75: Group Bb: Fault And Protection

    5.Description of Function Codes EM15 User's Manual Broadcast address Default bA-03 Setting Range 1~249 (0: Broadcast address) Valid for Modbus When the local address is set to 0, that is, broadcast address, it can realize the broadcast function of host computer. The address is unique;...
  • Page 76 EM15 User’s Manual 5. Description of Function Codes This parameter is used to display the delivered model and cannot be modified. 0: Applicable to variable torque load (fan and pump) with rated parameters specified. 1: Applicable to constant torque general load with rated parameters specified. Motor overload protection selection Default bb-01...
  • Page 77 5.Description of Function Codes EM15 User's Manual It is used to set the waiting time from the frequency inverter alarm to fault auto reset. Input phase loss protection/contactor energizing protection selection Default Unit's digit: Input phase loss protection bb-12 Disabled Setting Range Enabled...
  • Page 78 EM15 User’s Manual 5. Description of Function Codes Detection value of too large speed deviation Default 20.0% bb-19 Setting Range 0.0%~50.0% (maximum frequency) Default 5.0s Detection time of too large speed deviation bb-20 Setting Range 0.0s~60.0s This function is valid only when the frequency inverter runs in the VC+PG mode. If the frequency inverter detects the deviation over than bb-19 between the actual motor rotational and the setting motor frequency, and the duration time exceeds the value of bb-20, the frequency inverter reports Err42 and act according to the selected fault protection action.
  • Page 79 5.Description of Function Codes EM15 User's Manual Diagram 5-24 Frequency inverter action diagram of instantaneous power failure Type of motor temperature sensor Default No temperature sensor bb-25 Setting PT100 Range PT1000 Motor overheat protection threshold Default 110.0% bb-26 Setting Range 0°...
  • Page 80 EM15 User’s Manual 5. Description of Function Codes listed in the following table. Voltage Class Default Overvoltage Threshold Single-phase 220 V 400.0 V Three-phase 220 V 400.0 V Three-phase 380 V 830.0 V Three-phase 480 V 890.0 V Note: The default value is also the upper limit of the frequency inverter's internal overvoltage protection voltage. The parameter becomes effective only when the setting of bb-28 is lower than the default value.

  • Page 81: Group Bc: Fault Detection Parameters

    5.Description of Function Codes EM15 User's Manual Fault protection action selection 3 Default 00000 Unit's digit: User-defined fault 1,Err27. Same as unit's digit in bb-32 Ten's digit: User-defined fault 2,Err28. Same as unit's digit in bb-32 Hundred's digit: Accumulative power-on time reached,Err29. Same as unit's digit in bb-32 Thousand's digit: Off load, Err30.

  • Page 82: Group Bd Motor Protection

    EM15 User’s Manual 5. Description of Function Codes Input terminals status of latest fault Default It displays the status of all DI terminals when the latest fault occurs. The sequence is as follows: bC-06 BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0 Description HDI DI5 If a DI is ON, the setting is 1.
  • Page 83 5.Description of Function Codes EM15 User's Manual on the difference between the feedback signal and the target signal, it adjusts the output frequency and constitutes a feedback system to stabilize the controlled counter around the target value. It is applied to process control such as flow control, pressure control and temperature control. The following figure shows the principle block diagram of PID control.
  • Page 84 EM15 User’s Manual 5. Description of Function Codes and ranges from 0.0% to 100.0%. Similarly, the feedback of PID is also a relative value. The function of PID is to make the two values the equal. Default PID action direction C0-04 Forward action Setting...
  • Page 85 5.Description of Function Codes EM15 User's Manual Integral time TI2 Default 2.00s C0-10 Setting Range 0.01s~10.00s Differential time TD2 Default 0.000s C0-11 Setting Range 0.000s~10.000s Default PID parameter switchover condition No switchover C0-12 Setting Switchover via DI Range Automatic switchover based on deviation PID parameter switchover deviation 1 Default 20.0%...
  • Page 86 EM15 User’s Manual 5. Description of Function Codes proportional and differential operations take effect. If integral separation is set to invalid, no matter whether the DI set with function 22"PID integral pause" is ON or not, integral separation remains invalid. ⚫...

  • Page 87: Group C1:Multi-Function

    5.Description of Function Codes EM15 User's Manual Maximum negative deviation between two PID outputs Default 1.00% C0-22 Setting Range 0.00%~100.00% This function is used to limit the deviation between two PID outputs (2 ms per PID output) to suppress the rapid change of PID output and stabilize the running of the frequency inverter.
  • Page 88 EM15 User’s Manual 5. Description of Function Codes Multi-function 3 Default 0.0% C1-03 Setting Range -100.0%~100.0% Multi-function 4 Default 0.0% C1-04 Setting Range -100.0%~100.0% Multi-function 5 Default 0.0% C1-05 Setting Range -100.0%~100.0% Multi-function 6 Default 0.0% C1-06 -100.0%~100.0% Setting Range Multi-function 7 Default 0.0%...

  • Page 89: Group C2: Simple Plc

    5.Description of Function Codes EM15 User's Manual sources can be realized easily. 5.16 Group C2: Simple PLC Simple PLC running mode Default Stop after the Frequency inverter runs one cycle C2-00 Setting Keep final values after the frequency inverter runs one cycle Range Repeat after the frequency inverter runs one cycle 0: Stop after the frequency inverter runs one cycle...
  • Page 90 EM15 User’s Manual 5. Description of Function Codes on again. PLC record of stopping indicates that the frequency inverter records the PLC running stage and running frequency of stop, and frequency inverter will continue to run from the recorded stage after power on again. If the ten's digit is set to 0, the frequency inverter will restarts the PLC process after it power on again.
  • Page 91 5.Description of Function Codes EM15 User's Manual Acceleration/deceleration time of simple PLC Segment 9 Default C2-21 Setting Range Running time of simple PLC Segment 10 Default 0.0s (h) C2-22 Setting Range 0.0s(h)~6553.5s(h) Acceleration/deceleration time of simple PLC Segment 10 Default C2-23 Setting Range Running time of simple PLC Segment 11...
  • Page 92 EM15 User’s Manual 5. Description of Function Codes Deceleration time of Segment 2 Default 10.0s C2-41 Setting Range 0.0S-3000.0S Acceleration time of Segment 3 Default 10.0s C2-42 Setting Range 0.0S-3000.0S Deceleration time of Segment 3 Default 10.0s C2-43 Setting Range 0.0S-3000.0S Acceleration time of Segment 4 Default...

  • Page 93: Group C3: Constant Pressure Water Supply Parameters

    5.Description of Function Codes EM15 User's Manual 0.0S-3000.0S Setting Range Acceleration time of Segment 13 Default 10.0s C2-62 0.0S-3000.0S Setting Range Deceleration time of Segment 13 Default 10.0s C2-63 0.0S-3000.0S Setting Range Acceleration time of Segment 14 Default 10.0s C2-64 0.0S-3000.0S Setting Range Deceleration time of Segment 14...
  • Page 94 EM15 User’s Manual 5. Description of Function Codes Setting Range 0.01 Hz~ maximum frequency Rated motor rotational speed Default Model dependent d0-04 Setting Range 1rpm~65535rpm Set the parameters according to the motor nameplate no matter whether V/F control or vector control is adopted. To achieve better V/F or vector control performance, motor auto-tuning is required.
  • Page 95 5.Description of Function Codes EM15 User's Manual Each time "Rated motor power" (d0-00) or "Rated motor voltage" (d0-01) is changed; the frequency inverter will automatically modify the values of d0-15~ d0-19. You can also directly set the parameters based on the data provided by the synchronous motor manufacturer. Encoder wires Default 1024...

  • Page 96: Group D1: Motor Vector Control Parameters

    EM15 User’s Manual 5. Description of Function Codes The frequency inverter will obtain motor parameters of d0-05 ~ d0-09, "A/B phase sequence of ABZ incremental encoder" (d0-21) and vector control current loop PI parameters of d1-10 ~ d1-13 by complete auto-tuning. Action guide: Set this parameter to 2, and press RUN key.
  • Page 97 5.Description of Function Codes EM15 User's Manual Diagram 5-29 Relationship between running frequencies and PI parameters The speed dynamic response characteristics in vector control can be adjusted by setting the proportional gain and integral time of the speed regulator. To achieve a faster system response, increase the proportional gain and reduce the integral time. Be aware that this may lead to system oscillation.
  • Page 98 EM15 User’s Manual 5. Description of Function Codes Torque current loop integral gain Default 1300 d1-17 Setting Range 0~30000 Speed loop integral property Default d1-18 Setting Integral separation disabled Range Integral separation enabled These are current loop PI parameters for vector control. These parameters are automatically obtained through "Asynchronous motor complete auto-tuning"...

  • Page 99: Group D2: Motor V/F Control Parameters

    5.Description of Function Codes EM15 User's Manual 0: Digital setting (d1-26) The target torque directly uses the value set in d1-26. 1:AI1 2:AI2 3:AI3 The target torque is decided by analog input. The EM15 control board provides three AI terminals (AI1, AI2,AI3). AI1 and AI2 is 0V~10 V voltage input or 0mA~20mA current input decided by jumper on the control board, and AI3 is -10 V ~ +10 V voltage input.
  • Page 100 EM15 User’s Manual 5. Description of Function Codes The V/F control mode is applicable to low requirement load applications (fan or pump) or applications where one frequency inverter operates multiple motors or there is a large difference between the frequency inverter power and the motor power.
  • Page 101 5.Description of Function Codes EM15 User's Manual frequency is exceeded, as shown in the following figure. Diagram 5-30 Manual torque boost Multi-point V/F frequency 1 (F1) Default 0.00 Hz d2-03 Setting Range 0.00 Hz ~ d2-05 Multi-point V/F voltage 1 (V1) Default 0.0% d2-04...
  • Page 102 EM15 User’s Manual 5. Description of Function Codes Diagram 5-32 Setting of multi-point V/F curve V/F slip compensation coefficient Default 0.0% d2-09 Setting Range 0.0%~200.0% This parameter is valid only for the asynchronous motor. It can compensate the rotational speed slip of the asynchronous motor when the load of the motor increases, stabilizing the motor speed in case of load change.
  • Page 103 5.Description of Function Codes EM15 User's Manual Simple PLC Communication setting Note: 100.0% corresponds to the rated motor voltage Voltage digital setting for V/F separation Default d2-14 Setting Range 0 V ~ rated motor voltage V/F separation is generally applicable to these sites, such as induction heating, inverse power supply and motor torque control.

  • Page 104: Group D6: Control Optimization Parameters 1

    EM15 User’s Manual 5. Description of Function Codes Diagram 5-33 Voltage of V/F separation 5.21 Group d6: Control Optimization Parameters 1 Carrier frequency Default Model dependent d6-00 Setting Range 0.5kHz~16.0 kHz It is used to adjust the carrier frequency of the frequency inverter, helping to reduce the motor noise, avoiding the resonance of the mechanical system, and reducing the leakage current to earth and interference generated by the frequency inverter.

  • Page 105: Group U0: Monitoring Parameters

    5.Description of Function Codes EM15 User's Manual Synchronous modulation indicates that the carrier frequency varies linearly with the change of the output frequency, ensuring that the ratio of carrier frequency to output frequency remains unchanged. Synchronous modulation is generally used at high output frequency, which helps improve the output voltage quality. At low output frequency (100 Hz or lower), synchronous modulation is not required.
  • Page 106 EM15 User’s Manual 5. Description of Function Codes U0-00 ~ U0-31 are the monitoring parameters in the running and stop state defined by b9-02 and b9-03. U0-00 Running frequency Display Range 0.00~300.00 Hz (b0-11 = 2) U0-01 Setting frequency Display Range 0.00~3000.0 Hz (b0-11 = 1) These two parameters display the absolute value of theoretical running frequency and set frequency.
  • Page 107 5.Description of Function Codes EM15 User's Manual U0-15 PID setting Display Range 0~65535 U0-16 PID feedback Display Range 0~65535 They display the PID setting value and PID feedback value. ⚫ PID setting = PID setting (percentage) × C0-05 ⚫ PID feedback = PID feedback (percentage) × C0-05 U0-18 Input pulse frequency Display Range 0.00kHz ~100.00 kHz...
  • Page 108 EM15 User’s Manual 5. Description of Function Codes If b0-11 (frequency command resolution) is 2, the display range is -320.00Hz ~ 320.00Hz. -300.00Hz~300.00Hz U0-30 Main frequency X Display Range -3000.0Hz~3000.0Hz It displays the setting of auxiliary frequency X. ⚫ If b0-11 (frequency command resolution) is 1, the display range is -3000.0Hz~3000.0 Hz. ⚫...
  • Page 109 5.Description of Function Codes EM15 User's Manual Diagram 5-34 Display format of the DI state U0-42 DO output state visual display Display Range -- It displays the DO state visually and the display format is shown in the following figure. Diagram 5-35 Display format of the DO state U0-43 DI function state visual display 1...

  • Page 110: Group A0: System Parameters

    EM15 User’s Manual 5. Description of Function Codes It displays the running state of the frequency inverter. The data format is listed in the following table: 0: stop Bit0 1: forwarder running Bit1 2: reverse running 0: constant speed Bit 2 U0-61 1:acceleration Bit3...

  • Page 111: Group A2: Control Optimization Parameters 2

    5.Description of Function Codes EM15 User's Manual Restore default settings Default 0 No operation Restore default settings except motor parameters and accumulation record. A0-09 Setting Restore default settings include motor parameters Range Clear records Other Received 0:No operation 1: Restore default settings except motor parameters If A0-09 is set to 1, most function codes are restored to the default settings except motor parameters, frequency command resolution (b0-11), fault records, accumulative running time (b9-08), accumulative power-on time (b9-09).
  • Page 112 EM15 User’s Manual 5. Description of Function Codes Please setting A2-05 to 0, if it is not "0", it may cause deceleration time extension problem. Slip compensation time constant 0.5s Default A2-09 0.1s~10.0s Setting Range If A2-09 sets the smaller the value, and fast response time. But when the setting value is too small, 07 overvoltage failure is easy to occur in large inertia load.

  • Page 113: Emc (Electromagnetic Compatibility)

    6. EMC (Electromagnetic compatibility) EM15 User’s Manual 6. EMC (Electromagnetic compatibility) 6.1 Definition Electromagnetic compatibility is the ability of the electric equipment to run in the electromagnetic interference environment and implement its function stably without interferences on the electromagnetic environment. 6.2 EMC Standard Description In accordance with the requirements of the national standard GB/T12668.3, the inverter needs to comply with electromagnetic interference and anti-electromagnetic interference requirements.
  • Page 114 EM15 User's Manual 6. EMC(Electromagnetic compatibility) 6.3.3 Handling method for the interferences of the surrounding equipment on the inverter The electromagnetic interference on the inverter is generated because plenty of relays, contactors and electromagnetic brakes are installed near the inverter. When the inverter has error action due to the interferences, the following measures can be taken: 1) Install surge suppressor on the devices generating interference;...
  • Page 115 6. EMC (Electromagnetic compatibility) EM15 User’s Manual generate error action. The solution is to reduce the carrier frequency or install output reactor. It is recommended that thermal relay not be installed before the motor when using the inverter, and that electronic over current protection function of the inverter be used instead.

  • Page 116: Fault Diagnosis And Solution

    EM15 User’s Manual 7. Fault Diagnosis and Solution 7. Fault Diagnosis and Solution 7.1 Fault Alarm and Countermeasures EM15 inverter has 35 types of warning information and protection function. In case of abnormal fault, the protection function will be invoked, the inverter will stop output, and the faulty relay contact of the inverter will start, and the fault code will be displayed on the display panel of the inverter.
  • Page 117 EM15 User’s Manual 7. Fault Diagnosis and Solution Fault Type Display Possible Causes Solutions 1: The output circuit is grounded or short 1: Eliminate external faults. circuited. 2: Motor auto-tuning is not performed. 2: Perform the motor auto-tuning. Over current 3: The voltage is too low.
  • Page 118 EM15 User’s Manual 7. Fault Diagnosis and Solution Fault Type Display Possible Causes Solutions 1: The cable connecting the frequency 1: Eliminate external faults. inverter and the motor is faulty. 2: The frequency inverter's three-phase 2: Check whether the motor three phase Power output Err13 outputs are unbalanced when the motor is...

  • Page 119: Common Faults And Solutions

    EM15 User’s Manual 7. Fault Diagnosis and Solution Fault Type Display Possible Causes Solutions 1: The signal of user-defined fault 1 is 1: Reset the operation. User-defined input via DI. Err27 fault 1 2:The signal of user-defined fault 1 is 2: Reset the operation.
  • Page 120 EM15 User’s Manual 7. Fault Diagnosis and Solution Fault Possible Causes Solutions 1: There is no power supply to the frequency 1: Check the power supply. inverter or the power input to the frequency inverter is too low. 2: The power supply of the switch on the 2: Check the DC bus voltage.
  • Page 121 EM15 User’s Manual 7. Fault Diagnosis and Solution Fault Possible Causes Solutions 3: The PG card is faulty. 3: Ask for technical support. 4: The drive board is faulty. 1: The motor parameters are set improperly. 1: Re-set motor parameters or The frequency re-perform the motor auto- inverter reports...

  • Page 122: Appendix I.modbus Communication Protocol

    3.5byte, it indicates that a new start of communication frame. EM15 series inverter has built-in the Modbus-RTU communication protocol, and is applicable to response the slave “Inquiry/command” or doing the action according to the master’s “Inquiry / Command” and response to the...
  • Page 123 Communication data structure Modbus protocol communication data format of EM15 series inverter is shown as following. The inverter only support the reading and writing of Word type parameters, the corresponding reading operation command is “0x03”, the writing operation command is “0x06”.
  • Page 124 EM15 User’s Manual Appendix I 1Byte 2Byte >3.5Byte 1Byte 1Byte Slave reads and Target Read the Free response error correction and station command Error type Free (Start frame) frame address (0x83) L……H Calculate CRC Error types： correction 01-Command code error 02-Address error 1Byte 2Byte...
  • Page 125 EM15 User’s Manual Appendix I Higher bits of start address Lower bits of start address Higher bits of data number Lower bits of data number CRC CHK lower bit CRC CHK higher bit T1-T2-T3-T4 RTU mode: Response Message of the Slave START T1-T2-T3-T4 ADDR...
  • Page 126 EM15 User’s Manual Appendix I RTU mode: Response Message of the Slave START T1-T2-T3-T4 ADDR High bits of data address Low bits of data address High bits of data content Low bits of data content CRC CHK lower bit CRC CHK higher bit T1-T2-T3-T4 CRC Checking In RTU mode, messages include an error-checking field that is based on a CRC method.
  • Page 127 EM15 User’s Manual Appendix I crc_value=crc_value>>1; return(crc_value); Definition of communication parameter address Read and write function-code parameters (Some functional code is not changed, only for the manufacturer use.) The group number and mark of function code is the parameter address for indicating the rules. High level bytes: Group A0~AF(GroupA0-A2/ Groupb0-bC), Groupb0-bF(Group C0-C6/Groupd0-d6), 70-7F(Group U) Low level bytes: 00 to FF...
  • Page 128 EM15 User’s Manual Appendix I 100F Load speed 101F Main frequency X display 1020 Auxiliary frequency Y display Note: Communication setting value is the percentage of relative value, 10000 corresponds to 100%, -10000 correspond to -100.00%. Control command input frequency inverter: (write in only) Command word address Command function 0001: Forward running...
  • Page 129 EM15 User’s Manual Appendix I Pulse output control: (write in only) Command word address Command function 2004 0~7FFF indicates 0%~100% Inverter fault description: Inverter fault Inverter fault information description 0000: No fault 0015: EEPROM read-write in fault 0001: Reserved 0016: Frequency inverter hardware fault 0002: acceleration over current 0017: Short circuit to ground fault 0003: deceleration over current...
  • Page 130 EM15 User’s Manual Appendix I The higher the baud ratio is, the faster the communication is. Modbus Data format Default No check, data format <8,N,2> bA-02 Even parity check, data format<8,E,1> Setting Range Odd Parity check, data format<8,O,1> No check, data format <8,N,1> The host computer and frequency inverter setup data format must be consistent, otherwise, communication is impossible.

  • Page 131: Appendix Ii. Function Code Table

    EM15 User’s Manual Appendix II Appendix II. Function Code Table If A0-00 is set to a non-zero number, parameter protection is enabled. You must write in correct user password to enter the menu. To cancel the password protection function, enter with password and set A0-00 to 0. The parameter menu under the user-defined parameter mode can directly enter without password.
  • Page 132 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Unit's digit: Frequency source selection. 0: Main frequency source X 1: X and Y calculation (calculation result determined by ten's digit) 2: Switchover between X and Y 3: Switchover between X and "X and Y calculation" ☆...
  • Page 133 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Frequency lower limit (b0-17) ~ maximum frequency ☆ b0-15 Frequency upper limit 50.00 Hz (b0-13) Frequency upper limit ☆ b0-16 0.00 Hz~ maximum frequency(b0-13) 0.00 Hz offset ☆ b0-17 Frequency lower limit 0.00 Hz ~frequency upper limit(b0-15) 0.00 Hz...
  • Page 134 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property DC braking initial ☆ b1-08 0.00 Hz ~ maximum frequency 0.00 Hz frequency of stopping DC braking waiting time ★ b1-09 0.0s~100.0s 0.0s of stopping DC braking current of ★...
  • Page 135 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 0: Disabled ☆ b2-19 Terminal JOG priority 1: Enabled Setting running time reach ☆ b2-21 0~65000 h threshold Action after running time 0: Continue to run ☆ b2-22 reached 1: Stop 0: Fan working during running...
  • Page 136 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 15: Frequency source switchover 16: Switchover between main frequency source X and digital setting frequency 17: Switchover between auxiliary frequency source Y and digital setting frequency 18:Terminal 1 for Command source switchover 19: Terminal 2 for Command source switchover 20: Speed control/Torque control switchover 21: Torque control prohibited...
  • Page 137 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property ☆ b3-23 DI5 ON delay time 0.0s~3000.0s 0.0s ☆ b3-24 DI5 OFF delay time 0.0s~3000.0s 0.0s Unit's digit: DI1 valid mode. 0: High level valid 1: Low level valid Ten's digit: DI2 valid mode.
  • Page 138 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 33: AI1 larger than AI2 34: AI1 input exceeded limitation 35: Alarm output (all faults) 36: Present running time reached 37: Accumulative power-on time reached 38: Accumulative running time reached 39: Communication setting ☆...
  • Page 139 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Over current output ☆ b4-33 0.0%~300.0% (rated motor current) 200.0% threshold Over current output ☆ b4-34 0.00s~600.00s 0.00s detection delay time ☆ b4-35 Any current reaching 1 0.0%~100.0% (rated motor current) 100.0% amplitude of any current ☆...
  • Page 140 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property ☆ b5-22 AI curve 4 minimum input -10.00V~b5-24 0.00V Corresponding setting ☆ b5-23 ofAI curve 4 minimum -100.0%~+100.0% 0.0% input AI curve 4inflection ☆ b5-24 B5-21~b5-26 3.00V point 1 input Corresponding setting of ☆...
  • Page 141 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Unit’s digit:AI1 lower than minimum input setting 0:corresponding minimum input setting 1:0.0% AI lower than minimum ☆ Ten’s digit:AI2 lower than minimum input setting b5-45 H.000 input setting selection selection, same as above Hundred’s digit:AI3 lower than minimum input setting selection, same as above...
  • Page 142 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Unit's digit: VDI1. 0: Valid decided by state of VDOx 1: Valid decided by b7-06 Ten's digit: VDI2. 0, 1 (same as VDI1) ☆ b7-05 VDI state setting mode Hundred's digit: VDI3.
  • Page 143 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property ☆ b7-18 VDO3 output delay 0.0s~3000.0s 0.0s ☆ b7-19 VDO4 output delay 0.0s~3000.0s 0.0s ☆ b7-20 VDO5 output delay 0.0s~3000.0s 0.0s Unit's digit: VDO1. 0: Positive logic valid 1: Reverse logic valid Ten's digit: VDO2 0, 1 (same as unit's digit)
  • Page 144 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 0000~FFFF Bit00: PID feedback Bit01: PLC stage Bit02: Pulse setting frequency (kHz) Bit03: Running frequency 2 (Hz) Bit04: Remaining running time Bit05: AI1 voltage before calibration (V) Bit06: AI2 voltage before calibration (V) LED display running ☆...
  • Page 145 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Unit's digit: Modbus baud ratio. 0: 300 BPS 1: 600 BPS 2: 1200 BPS ☆ bA-01 Baud ratio setting 3: 2400 BPS 4: 4800 BPS 5: 9600 BPS 6: 19200 BPS 7: 38400 BPS 0: No check, data format <8,N,2>...
  • Page 146 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property selection Ten's digit: Contactor energizing protection 0,1( same as Unit’s digit) Output phase loss 0: Disabled ☆ bb-13 protection 1: Enabled 0: Disabled ☆ bb-14 Off load protection 1: Enabled ☆...
  • Page 147 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Unit's digit: Motor overload, Err11. 0: Free stop 1: Stop according to the stop mode 2: Continue to run Ten's digit: Power input phase loss, Err12. Fault protection action Same as unit's digit ☆...
  • Page 148 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 3: Frequency lower limit 4: Backup frequency of abnormality (bb-37) Backup frequency of ☆ bb-38 0.0%~100.0% (maximum frequency) 100.0% abnormality Inverter overload bb-39 85%-115% 100% protection gain Group bC: Fault diagnosis –...
  • Page 149 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Group bd: Motor protection Overset alarm current ☆ bd-00 0.0~600A 0.00 value Overcurrent alarm delay ☆ bd-01 0.0~600s 0.00 time Group C0: PID Control Function 0: C0-01 1: AI1 2: AI2 3: AI3 ☆...
  • Page 150 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property ☆ C0-16 PID initial value 0.0%~100.0% 0.0% PID initial value holding ☆ C0-17 0.00s~650.00s 0.00s time Frequency upper limit of ☆ C0-18 0.00 ~ maximum frequency 0.00 Hz PID reverse rotation ☆...
  • Page 151 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 0: Stop after the Frequency inverter runs one cycle 1: Keep final values after the frequency inverter runs ☆ C2-00 Simple PLC running mode one cycle 2: Repeat after the frequency inverter runs one cycle Unit's digit: Record of power failure.
  • Page 152 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property time of simple PLC Segment 7 Running time of simple ☆ C2-18 0.0s(h)~6553.5s(h) 0.0s (h) PLC Segment 8 Acceleration/deceleration ☆ C2-19 time of simple PLC Segment 8 Running time of simple ☆...
  • Page 153 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property deceleration time of ☆ 0.0S-3000.0S C2-37 10.0s Segment 0 Acceleration time of ☆ 0.0S-3000.0S C2-38 10.0s Segment 1 deceleration time of ☆ 0.0S-3000.0S C2-39 10.0s Segment 1 Acceleration time of ☆...
  • Page 154 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Acceleration time of ☆ 0.0S-3000.0S C2-60 10.0s Segment 12 Deceleration time of ☆ 0.0S-3000.0S C2-61 10.0s Segment 12 Acceleration time of ☆ 0.0S-3000.0S C2-62 10.0s Segment 13 Deceleration time of ☆...
  • Page 155 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 0.01mH~655.35 mH (Frequency inverter power≤ 55 Leakage inductive Model ★ d0-07 reactance (asynchronous 0.001mH~65.535 mH (Frequency inverter power ≥75 dependent motor) 0.1mH~6553.5 mH (Frequency inverter power≤ 55 Mutual inductive reactance Model ★...
  • Page 156 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 2(Ti2) ☆ d1-06 Switchover frequency 2 d1-03~ maximum output frequency 10.00 Hz ☆ d1-07 Motor running slip gain 50%~200% 100% Vector control over ☆ d1-09 0~200 excitation gain 0: d1-11 1: AI1 Motor running torque...
  • Page 157 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property 0: Linear V/F 1: Multi-point V/F 2: Square V/F 3: 1.2-power V/F ★ d2-00 V/F curve setting 4: 1.4-power V/F 6: 1.6-power V/F 8: 1.8-power V/F 10: V/F complete separation 11: V/F half separation 0.0% ( torque auto-boost) Model...
  • Page 158 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property Model ☆ d6-00 Carrier frequency 0.5kHz~16.0 kHz dependent DPWM switchover ★ d6-01 5.00Hz~15.00 Hz 8.00 Hz frequency upper limit 0: Asynchronous modulation ★ d6-02 PWM modulation mode 1: Synchronous modulation Carrier frequency 0: No ☆...
  • Page 159 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property ● U0-26 Present running time Communication setting ● U0-28 -100.00%~100.00% value -3000.0Hz~3000.0 Hz ● U0-29 Encoder feedback speed -300.00Hz~300.00 Hz 0.00Hz~300.00 Hz ● U0-30 Main frequency X 0.0Hz~3000.0 Hz 0.00Hz~300.00 Hz ●...
  • Page 160 EM15 User’s Manual Appendix II Code Parameter Name Functional description Default Property selection 01: Display Parameter modification 0: Modifiable ☆ A0-07 property 1: Not modifiable 0: No operation 1: Restore default settings except motor parameters and ★ accumulation record. A0-09 Restore default settings 2: Restore default settings include motor parameters 4: Clear records Group A2: Control Optimization Parameters 2...
  • Page 161 EM15 User’s Manual Appendix II Appendix III Appearance and installing Output Adaptable Motor dimension(mm) Model Current Φd 1 phase 220V input & 3 phase 380V output EM15-G13-d75 0.75 EM15-G13-1d5 Φ4.5 106.5 175.5 EM15-G13-2d2 EM15-G13-004 EM15-G13-5d5 Φ5.5 EM15-G13-7d5 EM15-G13-011 Φ5.5 EM15-G13-015 EM15-G13-018 18.5...

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