dolycon CT112 Series User Manual
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dolycon CT112 Series User Manual

Solar pump inverter
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  • Page 3: Table Of Contents

    Solar Pump Inverter Content Content Safety precautions……………………………………………………………………1 Chapter 1 System Introduction ……………………………………………………6 Chapter 2 Solar Pump Inverter ……………………………………………………7 Chapter 3 System Collection Diagram …………………………………………15 Chapter 4 Function Parameters …………………………………………………27 Chapter 5 Troubles Shooting ……………………………………………………40 Chapter 6 Warranty …………………………………………………………………44 Chapter 7 Communication protocol ……………………………………………45 User’s Information …………………………………………………………………53...
  • Page 4 Solar Pump Inverter Content...

  • Page 5: Safety Precautions

    Solar Pump Inverter Safety precautions Thank you for your using our solar pump inverter.  Please read this manual thoroughly to ensure proper usage, keep this manual at an easily accessible place so that you can refer anytime as necessary. Safety Precautions Please read this operation manual carefully before installation, operation, maintenance or inspection.
  • Page 6 Solar Pump Inverter Safety precautions Before installation  Do not operate the inverter if there are any signs of water in the inverter when unpacking.  Do not operate the inverter if there is any damage or components loss to the inverter when unpacking.
  • Page 7 Solar Pump Inverter Safety precautions  Handle the inverter with care to prevent it falling off and thus leading to injury to your feet or the device.  Keep the inverter away from the places with large vibrations, water drops and direct sunlight.
  • Page 8 Solar Pump Inverter Safety precautions » The encoders and sensors should be applied with the shielded cables and the shielded layer should be grounded reliably. 4. Operation  Confirm that the wiring is completed and correct and then cover the plate before power on.
  • Page 9 Solar Pump Inverter Safety precautions  This inverter is not suitable for the occasions when the specifications exceed those specified in this manual. If you have special requirements, please contact our technical department.  The inverter is equipped with surge suppressors inside, which can protect it from the lightning.

  • Page 10: Chapter 1 System Introduction

    Solar Pump Inverter Chapter 1 System Introduction Chapter 1 System Introduction 1.1 Brief Introduction A complete solar Pump system consist of solar array, pump and solar Pump inverter. The inverter can convert DC power from solar PV array to AC power to run pump motors. Solar array, an aggregation of many solar modules connected in series and parallel, absorbs sunlight radiation and converts it into electrical energy, providing dynamical water for the whole system.

  • Page 11: Chapter 2 Solar Pump Inverter

    Solar Pump Inverter Chapter 2 Solar Pump Inverter Chapter 2 Solar Pump Inverter 2.1 Model Description Model numbers on name plate consist of numbers, symbols, and letters, to express its respective series, suitable power type, power level and other information.
  • Page 12 Solar Pump Inverter Chapter 2 Solar Pump Inverter 2.2 Name plate 2.3 Parameters 2.3.1 CT112 series parameters CT112 Solar Pump Inverter Rated DC Input Recommend Recommend Max. DC Rated Rated Output Model Power VOC Voltage MPPT Input Output output Frequency...
  • Page 13 Solar Pump Inverter Chapter 2 Solar Pump Inverter CT112-4T-0.7G 0.75 300~780 670~780 540~ 630 3PH380 0-50/60 CT112-4T-1.5G 300~780 670~780 540~630 3PH380 0-50/60 CT112-4T-2.2G 300~780 670~780 540~630 3PH380 0-50/60 CT112-4T-4.0G 300~780 670~780 540~630 3PH380 0-50/60 CT112-4T-5.5G 300~780 670~780 540~ 630 14.0 3PH380 0-50/60 CT112-4T-7.5G 300~780 670~780 540~630...
  • Page 14 Solar Pump Inverter Chapter 2 Solar Pump Inverter Rated output voltage 3PH 220V Output 0～600.00Hz（default: 0～ specification Output frequency 60.00Hz） Protection of light load, over-current, over-voltage, output phase-lose, under-load, Fault protection Built-in Protection under-voltage, short circuit, overheating, water pump run dry etc.
  • Page 15 Solar Pump Inverter Chapter 2 Solar Pump Inverter 2.3.2 CT112A series parameters CT112A Solar Pump Inverter CT112A-2S/2T-XXX Rated output power(kW） Max. DC input current（A） Rated AC input current—AC type（A） 15.7 Rated output current（A） Note: Output current is defined as rated value at single 220V output voltage, and output current at three phase output is counted additionally according to the power.
  • Page 16 Solar Pump Inverter Chapter 2 Solar Pump Inverter 2.4 External Dimensions 2.4.1 CT112 series solar pump inverter Figure 2 Dimensions (CT112:11KW and below) Figure 3 Dimensions(CT112:15KW~132KW)
  • Page 17 Solar Pump Inverter Chapter 2 Solar Pump Inverter Table 1 Dimensions of CT112 series inverter Size（mm） Installation Weight Shape of Power(kw） Hole(mm) (kg) Inverter CT112-2S-0.4G CT112-2S-0.7G 126 186 155 CT112-2S-1.5G CT112-2S-2.2G CT112-2S-4.0G 140 230 172 CT112-2T-0.7G CT112-2T-1.5G 126 186 155 CT112-2T-2.2G...
  • Page 18 Solar Pump Inverter Chapter 2 Solar Pump Inverter 2.4.2 CT112A solar pump inverter Figure 4 CT112A series dimension diagram Table 2 Dimensions of CT112A series inverter Height H1 Width W1 Depth D Height H2 Width W2 Installation Mode (mm) (mm) (mm) (mm) (mm)

  • Page 19: Chapter 3 System Collection Diagram

    Solar Pump Inverter Chapter 3 System Collection Diagram Chapter 3 System Collection Diagram 3.1 CT112 Series Main Circuit Terminals 3.1.1 Schematic Diagram for Connection of Main Circuit Terminals ①Connection diagram of main circuit for the inverter of 220v ②Connection diagram of main circuit for the inverter of 380v 0.7~ 22KW ③Connection diagram of main circuit for the inverter of 380v 30~ 37KW...
  • Page 20 Terminals of 3 phase AC output Terminal of ground ● the voltage class of CT112 series inverter 3phase power has 2 class: 220V, 380V, before connecting power, please make sure the power class on inverter nameplate is the same with the accessing power. Otherwise do not connect.
  • Page 21 Solar Pump Inverter Chapter 3 System Collection Diagram 4)External DC electric reactor connecting terminal P1 (+): for external DC reactor to 45Kw and above power inverter, get rid off the connector between P1 (+) terminal during installation, reactor is installed between the 2 terminal. 5)Inverter output side U V W: the output side cannot connect capacitor or surge absorber, otherwise it will affect inverter in self-protection frequently or damage.
  • Page 22 Solar Pump Inverter Chapter 3 System Collection Diagram 3.2 CT112A Main Circuit Terminals 3.2.1 Terminals description of CT112A Terminal name Pin definition 1．L 2．N AC input terminal 3．PE PV input terminal: negative -DC INPUT PV input terminal: positive +DC INPUT External keypad terminal RJ45 Short circuit: water shortage.
  • Page 23 Solar Pump Inverter Chapter 3 System Collection Diagram 3.2.2.2 Terminal 7 is AC output terminal to connect water pump motor. When three phase motor is used, please connect the U, V, W three phase of the motor to U, V, W of solar Pump inverter, motor frame connects PE pin of terminal 7.
  • Page 24 Solar Pump Inverter Chapter 3 System Collection Diagram U1 and V1 are common ends of winding to connect with W phase output of solar Pump inverter, connect U2 end of running winding to U phase output and connect V2 of starting winding to V phase output.
  • Page 25 Solar Pump Inverter Chapter 3 System Collection Diagram 3.3 Collection Diagram for Different Motor Figure 4 Diagram of single phase inverter connection method (PV Input)
  • Page 26 Solar Pump Inverter Chapter 3 System Collection Diagram Figure 5 Diagram of single phase inverter connection method (AC Input)
  • Page 27 Solar Pump Inverter Chapter 3 System Collection Diagram Figure 6 Diagram of 3phsae inverter connection method (PV Input)
  • Page 28 Solar Pump Inverter Chapter 3 System Collection Diagram Figure 7 Diagram of 3phase inverter connection method (AC Input) Note : If no need water level sensor of tank , please don’t connect ‘DI2’ , ‘COM’ . If you want to operate inverter by hand , no run/stop automatically , please don’t connect ‘DI1’...
  • Page 29 Solar Pump Inverter Chapter 3 System Collection Diagram 3.4 Keypad operation procedure 3.4.1 Keypad induction The keypad consists of three parts for unit/status LEDs display, parameters display and key operation as shown below. 3.4.2 Operation panel button and potentiometer function Button Name Description...
  • Page 30 Solar Pump Inverter Chapter 3 System Collection Diagram 3.4.3 Indicator of Light Description 3.4.3.1 Unit Indicator Light Description Light Unit indicator Description Light on ：Run Light off：Stop Flash：Sleeping mode Light on：Reverse Light off：Forward Status Light Light on：Communication control; LO/RE Light off：Keypad control Flash：Terminal control Light on ：Fault alarm;...

  • Page 31: Chapter 4 Function Parameters

    Solar Pump Inverter Chapter 4 Function Parameters Chapter 4 Function Parameters 4.1 The Basic Function Parameters The symbols in the function code table are described as follows: ○ " " means the value of this parameter can be modified in stop and running status of drive; "☆"...
  • Page 32 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 0：Deceleration stop (CT112) ○ F01.08 Stop mode selection 1：Freewheel stop (CT112A) Dead time of ○ F01.13 0.0~3600.0s 0.0s FWD/REV 0：switch after zero frequency Switch mode of ○...
  • Page 33 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 0: no protection 1: ordinary motor(with low speed Motor overload ☆ F02.26 compensation) protection 2: variable frequency motor(without low speed compensation) Motor overload ○ F02.27 20.0~120.0% 100.0% protection factor F03 Group: Reserved...
  • Page 34 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute Weak magnetic ○ F04.33 coefficient of 1.00~1.30 1.00 constant power zone F05 Group: Input terminal Terminal DI1 0: disabled ☆ F05.01 Function Selection 1: forward run 2: reverse running Terminal DI2 ☆...
  • Page 35 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 0.00V ○ F05.32 AI1 lower limit 0.00V~F05.34 Corresponding 0.0% ○ F05.33 setting of AI1 lower -100.0%~100.0% limit 10.00V ○ F05.34 AI1 upper limit F05.32~10.00V Corresponding 100.0% ○...
  • Page 36 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute F07 Group: HMI interface ○ F07.00 User Password 0~65535 0:invalid 1: jogging running 2:left-shift key to switch display state 3: FWD/REV switch MF key function ☆ F07.02 4: clear UP/DOWN setting selection...
  • Page 37 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 0.1~999.9% Rotating speed Mechanical speed=120*display ○ F07.09 100.0% display coefficient frequency×F07.09/Number of motor pole pairs 0.1~999.9% Linear speed display ○ F07.10 Linear speed=Mechanical 1.0% coefficient speed×F07.10 Rectification bridge ●...
  • Page 38 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 25：Current detection fault (ItE) 32：Short to ground fault 1(ETH1) 33：Short to ground fault 2(ETH2) 36：Low-load fault(LL) Warning: A-LS：Lack sunlight A-tF：water full A-LL：lack water source A-LL1：water source drain F08 Group: Auxiliary function Depend on ○...
  • Page 39 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute F09 Group: Reserved F10 Group: Reserved F11 Group: Protective parameter 0x00~0x11 LED ones place: 0: input phase loss protection disabled 1:input phase loss protection (CT112-4T) ○ F11.00 Phase loss protection enabled LED tens place:...
  • Page 40 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute Tens place: 0: inverter keeps running after over/under load alarm 1: inverter keeps running after under-load alarm and stops after over-load alarm 2: inverter keeps running after over-load alarm and stops after under-load alarm 3: inverter stops after over/under...
  • Page 41 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 0: alarm and coast to stop 1: no alarm and continue running 2: no alarm and stop according to Communication stop mode (communication ○ timeout error F14.05 mode is valid) handling...
  • Page 42 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute 25.0V /30.0V ○ F15.10 PI Amplitude 0.0~6553.5Vdc /60.0V Depend on mode 0: Disabled ○ F15.11 Dry Pump Function 1: Enabled ○ F15.12 Dry-Water Threshold 0.0~100.0% 0.0% Delay Time of ○...
  • Page 43 Solar Pump Inverter Chapter 4 Function Parameters Factory Attri Code Name Description Default bute ● F17.03 Output voltage 0~1200V 0.0A ● F17.04 Output current 0.0~5000.0A 0 RFM ● F17.05 Motor rotary speed 0~65535RFM ● F17.08 Motor power -300.0~300.0% 0.0% ● F17.10 Solar buttery voltage 0.0~2000.0V ●...

  • Page 44: Chapter 5 Troubles Shooting

    Solar Pump Inverter Chapter 5 Troubles Shooting Chapter 5 Troubles Shooting 5.1 Main Circuit Terminals Fault Code P.OFF Fault Type Power Off Check the three-phase power is Reason External power supply close Solution off or not E.Out1 IGBT Ph-U fault Fault Code E.Out2 Fault Type...
  • Page 45 Solar Pump Inverter Chapter 5 Troubles Shooting Fault Code E.oL1 Fault Type Motor overload Input voltage is too low Inspect the input power supply Improper motor’s overload Set proper motor rated current protection threshold Reason Solution Motor block or sudden Check the load and adjust torque change of load boost...
  • Page 46 Solar Pump Inverter Chapter 5 Troubles Shooting Fault Code E.ItE Fault Type Current detection fault Wires or connectors of Check the signal linker and insert control boards are loose it again Auxiliary power damaged Ask for support Reason Solution Hall sensor is damaged Ask for support Amplifying circuit is Ask for support...
  • Page 47 Solar Pump Inverter Chapter 5 Troubles Shooting Fault Code A-LS Fault Type Weak light Light is too weak to keep Reason Solution Wait for stronger sunshine running state Fault Code A-tF Fault Type Full water Reason Water is adequate Solution Wait for clearing alert Fault Code A-LL Fault Type Water shortage...

  • Page 48: Chapter 6 Warranty

    Solar Pump Inverter Chapter 6 Warranty Chapter 6 Warranty 6.1 Warranty The warranty of this inverter is18 months, or we provide 2% spare parts for free. When any fault or damage occurs on the product, with in the warranty period, our company will provide free maintenance.

  • Page 49: Chapter 7 Communication Protocol

    Solar Pump Inverter Chapter 7 Communication protocol Chapter 7 Communication protocol The CT112&CT112A series inverters provide RS485 communication interface. You can realize centralized control via PC/PLC (set the run commands and function parameters of the inverter, read the work state and fault information of the inverter) to meet the specific requirements.
  • Page 50 5. Communication data format The Modbus protocol communication data format of CT112 series inverters is as follows: In RTU mode, the minimum interval time should be at least 3.5 bytes for message transmission, which is the easiest way to achieve a variety of character time at the baud rate.
  • Page 51 Solar Pump Inverter Chapter 7 Communication protocol RTU frame format START Interval time of 3.5 bytes Communication address: 1～247 03: read slave parameters; 06: write slave parameters DATA (N-1) DATA (N-2) Function parameter address, function parameter number, …… function parameter value etc. DATA (0) CRC CHK low bit Detection value: CRC...
  • Page 52 Solar Pump Inverter Chapter 7 Communication protocol (communication without decimal point) (0FA0H) to F00.09H address of the inverter whose slave address is 02H, and change the keypad set frequency to 40.00Hz. Master command message High bit of F00.09 address 00H (Function code group) Low bit of F00.09 address 09H (Function code bit) High bit of F00.09 data...
  • Page 53 Solar Pump Inverter Chapter 7 Communication protocol the frame and the value in the register. Only the 8Bit data in every character is effective to CRC, while the start bit, the end and the odd and even check bit is ineffective. The calculation of CRC applies the international standard CRC checkout principles.
  • Page 54 Solar Pump Inverter Chapter 7 Communication protocol the slave shows corresponding function codes, digital address or sub-function codes as the response. For objection responses, the slave returns a code which equals the normal code, but the first byte is logic 1. For example: when the master sends a message to the slave, requiring it to read a group of address data of the inverter function codes, there will be following function codes:...
  • Page 55 Solar Pump Inverter Chapter 7 Communication protocol Modbus abnormal code Code Name Meaning It only happens in write command. The written data Invalid parameter exceeds the parameter range. The parameter should not change be modified now. The terminal has already been used. When the upper computer is reading or writing and the The system is user password is set without password unlocking, it will...
  • Page 56 Solar Pump Inverter Chapter 7 Communication protocol 485 communication address Function Address Data meaning instruction instruction definition characteristics 0001H: forward running 0002H: reverse running 0003H: forward jogging 0004H: reverse jogging Communication 2000H 0005H: stop control command 0006H: freewheel stop 0007H: fault reset 0008H: jogging stop 0001H: forward running 0002H: reverse running...

  • Page 57: User's Information

    Solar Pump Inverter User’s Information User’s Information...
  • Page 58 Solar Pump Inverter User’s Information...

This manual is also suitable for:

Ct112a seriesCt112-2s-0.7gCt112-2s-1.5gCt112-2s-2.2gCt112-2s-4.0gCt112-2t-0.7g ... Show all

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