China EM Technology Limited EMHEATER EM12-SP1-1d5 User Manual
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China EM Technology Limited EMHEATER EM12-SP1-1d5 User Manual

Solar inverter, em12-sp series
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R
EMHEATER
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
Website : Http://www.emheater.com
User Manaul
EM12-SP Series Solar Inverter
China EM Technology Limited
R
EMHEATER
V1.0

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Summary of Contents for China EM Technology Limited EMHEATER EM12-SP1-1d5

  • Page 1 EMHEATER User Manaul EM12-SP Series Solar Inverter EMHEATER 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 V1.0 Website : Http://www.emheater.com...
  • Page 2 EM12-SP User Manual Preface Preface Thank you for purchasing the EM12 series solar inverter developed by China EM Technology Limited. Features:  MPPT algorithm of fast tracking of maximum power point of PV cells, efficiency >99%.  Solar battery working point voltage can be manually or automatically MPPT tracking.

  • Page 3: Table Of Contents

    Contents EM12-SP User Manual Contents 1. Safety Information and Precautions ........................1 1.1 Safety Information ............................1 2. Product Information .............................. 3 2.1 Designation Rules ............................3 2.2 EM12-SP series .............................. 3 2.3 Product appearance and installation dimension ..................... 4 2.3.1 Product appearance ..........................

  • Page 4: Safety Information And Precautions

    EM12-SP User Manual 1. Safety Information and Precautions 1. Safety Information and Precautions In this manual, the notices are graded based on the degree of danger: Danger: Indicates that failure to comply with the notice will result in severe personal injury or even death. Warning: Indicates that failure to comply with the notice will result in personal injury or property damage.
  • Page 5 1. Safety Information and Precautions EM12-SP User Manual Warning:  When two solar inverters are laid in the same cabinet, arrange the installation positions properly to ensure the enough cooling effect.  Do not drop wire residue or screw into the solar inverter. Failure to comply will result in damage to the solar inverter.

  • Page 6: Product Information

    EM12-SP User Manual 2. Product Information 2. Product Information 2.1 Designation Rules EM12 - SP Product Series Product Type Output Voltage Adaption Motor EM12 Solar SP: Solar Pump 5d5: 5.5KW 1S: DC 310 / AC 1PH 220V In AC 1PH 220V Output Inverter 015: 15KW 1: DC 310 / AC 1PH 220V In...

  • Page 7: Product Appearance And Installation Dimension

    2. Product Information EM12-SP User Manual 2.3 Product appearance and installation dimension 2.3.1 Product appearance Diagram 2-2 Product appearance (With potentiometer) Diagram 2-3 Appearance and installation dimension of EM12 series (Plastic housing structure) 2.3.2 EM12-SP solar inverter appearance and installing dimension(mm) Table 2-3 EM12-SP Appearance and installing dimension Model Appearance and installing dimension (mm)

  • Page 8: Appearance And Installation Dimension Of External Keypad (Keypad Tray)

    EM12-SP User Manual 2. Product Information Model Appearance and installing dimension (mm) Φd 220V 380V EM12-SP3-022 Φ7 EM12-SP3-030 EM12-SP3-037 Φ10 EM12-SP3-045 2.3.3 Appearance and installation dimension of external keypad (keypad tray) Diagram 2-4 Appearance and installation dimension of external keypad (keypad tray)

  • Page 9: Installation Of Frequency Inverter

    3. Installation of Frequency Inverter EM12-SP User 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 10: Sketch And Description Of Main Circuit Terminals

    EM12-SP User Manual 3. Installation of Frequency Inverter 3.3 Sketch and Description of Main Circuit Terminals 3.3.1 Function and description of Main Circuit Terminals 1PH 220V output: EM12-SP1S-d75 ~ EM12-SP1S-011 3PH 220V output: EM12-SP1-d75~EM12-SP1-011 3PH 380V output: EM12-SP3-d75～EM12-SP3-022 3PH 380V output: EM12-SP3-030～EM12-SP3-45 Terminal symbol Function description + (R), - (T)

  • Page 11: Control Circuit Terminal Layout

    3. Installation of Frequency Inverter EM12-SP User Manual 3.4.2 Control Circuit Terminal Layout +10V AI1 AO1 485+ 485- GND COM CME COM +24V COM DO1 COM Diagram3-3 EM12-SP control circuit terminal sketch diagram 3.4.3 Description of control circuit terminals Terminal Type Terminal Name Terminal function description...

  • Page 12: Description Of Control Circuit Jumper

    EM12-SP User Manual 3. Installation of Frequency Inverter 3.4.4 Description of Control Circuit Jumper Diagram3-4 Jumper Name Function Description Default Setting When the jumper is “ON”, it connects with 485 communication resistor. When the jumper is “OFF”, it disconnects with 485 communication resistor.

  • Page 13: The Wiring Of Water-Level Automatic Control

    3. Installation of Frequency Inverter EM12-SP User Manual Photovoltaic cell EM12-SP Water Tank + - U V W Water Pipe C o n t r o l T e r m i n a l Pump Diagram of 3phsae inverter connection method (PV Input) Diagram3-6 3.5.
  • Page 14 EM12-SP User Manual 3. Installation of Frequency Inverter The wiring for floater water-level switch mounted on a side The floater water-level switch mounted on a side is the normally open contact to output and its common wire is connected to the terminal COM of EM12-SP inverter. At the same time, the low level-water wire is connected to terminal DI4 and the high water-level wire is connected the terminal DI5.

  • Page 15: Operation And Display

    4. Operation and Display EM12-SP User Manual 4 Operation and display 4.1 Instruction of operation and display KEYPAD Digital display Running status indicator Unit indicator LOCAL TRIP Multi-function key Menu/Exit key MF•K Potentiometer Data enter keys Status monitoring DATA selection keys /Shift keys ENTER Up/Down key...

  • Page 16: Function Code Table

    EM12-SP User Manual 4. Operation and Display 4.2 Function Code Table If FP-00 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 FP-00 to 0。 The parameter menu under the user-defined parameter mode can directly enter without password.
  • Page 17 4. Operation and Display EM12-SP User Manual Code Name Description Default 0: No binding 1: Frequency source by digital setting 2: AI1 3: AI2 4: Keypad potentiometer 9: Communication setting Ten's digit:: Binding terminal command to frequency source. Hundred's digit: Binding communication command to frequency source.
  • Page 18 EM12-SP User Manual 4. Operation and Display Code Name Description Default F9: Fault and Protection parameters F9-09 Fault auto reset times 0～20 Relay action selection during 0: Not act F9-10 fault auto reset 1: Act F9-11 Time interval of fault auto reset 0.1s～100.0s 5.0s Unit's digit: Input phase loss protection Input phase loss...
  • Page 19 4. Operation and Display EM12-SP User Manual Code Name Description Default FE-05 CVT Integral gain1 0.0%-999.9% 100.0% FE-06 Reserved FE-07 Reserved FE-08 Reserved FE-09 Reserved FE-10 Mppt search upper limit voltage 0-1000.0V 750.0V FE-11 Mppt search lower limit voltage 0-1000.0V 300.0V FE-12 MPPT search gain...
  • Page 20 EM12-SP User Manual 4. Operation and Display Code Name Description Default FP: Parameters for User password 0 ～ 65535 FP-00 User password 00000 0: No operation 1: Restore default settings except motor parameters and accumulation record. FP-01 Restore default settings 02: Clear records 04: Back up present user parameters 501: Restore user backup parameters...

  • Page 21: Description Of Function Codes

    5. Description of Function Code EM12-SP User Manual 5. Description of Function Codes F0: Basic Function Parameters Group 1: G type(Constant torque load models ) Model F0-00 G/P type selection 2: P type(Fan, water pump load models ) dependent This parameter is used to display the delivered model and cannot be modified. 1: Applicable to constant torque general load with rated parameters specified.
  • Page 22 EM12-SP User Manual 5. Description of Function Code AI2: 0V~10 V voltage input or 0mA ～ 20mA current input, determined by jumper JP3 on the control card; The corresponding relationship curve between the input voltage of AI1, AI2 and the target frequency can be user-defined.
  • Page 23 5. Description of Function Code EM12-SP User Manual 0.00s～650.00s(F0-19=2) Model F0-17 Acceleration time 1 0.0s～6500.0s(F0-19=1) dependent 0s～65000s(F0-19=0) 0.00s～650.00s(F0-19=2) Model F0-18 Deceleration time 1 0.0s～6500.0s(F0-19=1) dependent 0s～65000s(F0-19=0) Acceleration time indicates the time required by the frequency inverter to accelerate from 0 Hz to "Acceleration / Deceleration base frequency"(F0-25 ) that is, t1 in Diagram 6-1.

  • Page 24: F1 Motor Parameter

    EM12-SP User Manual 5. Description of Function Code The acceleration/deceleration time indicates the time for the frequency inverter to increase from 0 Hz to the frequency set in F0-25，figure 6-1 is the acceleration/deceleration time diagram. If this parameter is set to 1, the acceleration/deceleration time is related to the set frequency. If the set frequency changes frequently, the motor's acceleration/deceleration also changes.

  • Page 25: F4 Input Terminals

    5. Description of Function Code EM12-SP User Manual F4 Input Terminals The EM12 provides six digital input (DI) terminals (HDI can be used for high-speed pulse input) and two analog input (AI) terminals. The optional extension card provides another six DI terminals (DI7 to DI12) and one AI terminal (AI3).

  • Page 26: F9 Faults And Protection Parameters

    EM12-SP User Manual 5. Description of Function Code the value of this parameter to stabilize the detected analog input. However, increase of the AI filter time will slow down the response of analog detection. Set this parameter properly based on actual conditions. In different applications, 100% of analog input corresponds to different nominal values.

  • Page 27: Fe Solar Water Pump Control Parameters

    5. Description of Function Code EM12-SP User Manual It is used to determine whether to perform output phase loss protection. 0 ～ 99 F9-14 Fault type It is used to record the types of the most recent three faults of the frequency inverter. 0 indicates no fault. It displays the frequency when the latest fault occurs.
  • Page 28 EM12-SP User Manual 5. Description of Function Code PE-01 PE-10~PE-13 PE-04~PE-08 MPPT Controller PE-02 Diagram 5-3 Photovoltaic water pump control schematic FE-04 CVT proportional gain 1 0.0% - 999.9% 100.0% FE-05 CVT Integral gain1 0.0% - 999.9% 100.0% It is CVT controller’s PI parameters，it should be switchover in two groups according to solar cells Vpn voltage , switchover point is FE-08V;...
  • Page 29 5. Description of Function Code EM12-SP User Manual detection time of full-water FE-33 0 - 30000sec 10sec protection exit time of full-water FE-34 0 - 30000sec 60sec protection analog sensor damaged FE-35 0 - 100.0% 0.0% Thresholds FE-31 is for Full-water detection mode. If set to 0, set any terminals(default DI4/DI5)function code to 51/52，two terminals enabled in same time could activate Full-water protection and two terminals disabled in same time could activate exit Full-water protection.

  • Page 30: Fp User Password Parameters

    EM12-SP User Manual 5. Description of Function Code FP User password parameters 0 ～ 65535 FP-00 User password If it is set to any non-zero number, the password protection function is enabled. After a password has been set and taken effect, you must enter the correct password in order to enter the menu. If the entered password is incorrect you cannot view or modify parameters.

  • Page 31: Fault Diagnosis And Solution

    6. Fault Diagnosis and solution EM12-SP User Manual 6. Fault Diagnosis and Solution 6.1 Fault Alarm and Countermeasures EM12-SP 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 32 EM12-SP User Manual 6. Fault Diagnosis and solution Err09 Low voltage Fault Code Fault Type 1: Instantaneous power failure occurs on the input 1: Reset the fault. power supply. 2: The frequency inverter's input voltage is not within 2: Adjust the voltage to normal range. the allowable range.

  • Page 33: Appendix I. Modbus Communication Protocol

    EM12-SP User Manual Appendix I Modbus communication protocol Appendix I. Modbus communication protocol EM12series of inverter provides RS485 communication interface, and adopts MODBUS communication protocol. User can carry out centralized monitoring through PC/PLC to get operating requirements. And user can set the running command, modify or read the function codes, the working state or fault information of frequency inverter by Modbus communication protocol.
  • Page 34 EM12-SP User Manual Appendix I Modbus communication protocol information provided by master, slave needs not feedback a response to master machine. Communication data structure Modbus protocol communication data format of EM12 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 35 EM12-SP User Manual Appendix I Modbus communication protocol 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...
  • Page 36 EM12-SP User Manual Appendix I Modbus communication protocol When the CRC is appended to the message, the low-order byte is appended first, followed by the high-order byte. unsigned int crc_chk_value(unsigned char *data_value,unsigned char length unsigned int crc_value=0xFFFF; int i; while(length--) crc_value^=*data_value++;...
  • Page 37 EM12-SP User Manual Appendix I Modbus communication protocol 1006H Output torque 1016H Voltage before AI1correction 1007H Running speed 1017H Voltage before AI2correction 1008H DI input terminal 1018H Voltage before AI3correction 1009H DO output terminal 1019H Linear speed 100AH AI1 voltage 101AH Present power-on time 100BH...
  • Page 38 EM12-SP User Manual Appendix I Modbus communication protocol Analog output AO1 control: (write in only) Command word address Command function 2002H 0~7FFF indicates 0%~100% Analog output AO2 control: (write in only) Command word address Command function 2003H 0~7FFF indicates 0%~100% Pulse output control: (write in only) Command word address Command function...
  • Page 39 EM12-SP User Manual Appendix I Modbus communication protocol Code Parameter Name Setting Range Default 2: Odd Parity check, data format<8,O,1> 3: No check, data format <8,N,1> The host computer and frequency inverter setup data format must be consistent, otherwise, communication is impossible.
  • Page 40 5) The Product Warranty Card is not re-issued. Please keep the card and present it to the maintenance personnel when asking for maintenance. 6) If there is any problem during the service, contact EMHEATER’s agent or EMHEATER directly. 7) This agreement shall be interpreted by China EM Technology Limited. EMHEATER Product Warranty Card...

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