GTAKE SLR03 Series User Manual
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GTAKE SLR03 Series User Manual

Solar water pump drive
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SRL
SOPORTE TÉCNICO
Tel.: 54 9 11 5376 7983
ARGENTINA
g t a k e . c o m . a r
Mail: soporte@gtake.com.ar

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Summary of Contents for GTAKE SLR03 Series

  • Page 1 SOPORTE TÉCNICO Tel.: 54 9 11 5376 7983 ARGENTINA g t a k e . c o m . a r Mail: soporte@gtake.com.ar...

  • Page 2: Preface

    Preface Thank you for choosing GTAKE SLR03 Series Solar Water Pump Drives. This user manual presents a detailed description of SLR03 series with respect to product features, structural characteristics, functions, installation, parameter settings, troubleshooting, etc. Be sure to carefully read through the safety precautions before use, and use this product on the premise that personnel and equipment safety is ensured.

  • Page 3: Table Of Contents

    SLR03 User Manual Chapter 1 Product Information Table of Contents Preface ..........................- 1 - Chapter 1 Product Information ..................- 1 - 1.1 Model Explanation ....................- 1 - 1.2 Nameplate Information .................... - 2 - 1.3 Information of Product Model .................. - 2 - 1.4 Wiring Diagram .......................
  • Page 4 SLR03 User Manual Chapter 1 Product Information 6.1 Fault Causes and Troubleshooting ................ - 89 - Chapter 7 Maintenance ..................- 96 - 7.1 Routine Inspection ....................- 96 - 7.2 Regular Maintenance .................... - 97 - 7.3 Replacement of Vulnerable Parts ................- 98 - 7.4 Storage .........................

  • Page 5: Chapter 1 Product Information

    SLR03 User Manual Chapter 1 Product Information Chapter 1 Product Information 1.1 Model Explanation Model shown on product nameplate indicates the series name, applicable type of power supply, power class and the version of software and hardware, etc. via the combination of numbers, symbols and letters.

  • Page 6: Nameplate Information

    SLR03 User Manual Chapter 1 Product Information 1.2 Nameplate Information Fig. 1-2 Nameplate information 1.3 Information of Product Model Table 1-1 SLR03 input voltage requirement SLR03-2S SLR03-4T Drive model □□□ □□□ 220V monophase 400V triphase AC input voltage (V) 390V 780V Max.
  • Page 7 SLR03 User Manual Chapter 1 Product Information Table 1-2 SLR03 model and technical data ■SLR03-2S□□□ Three phase output 3-phase rated Rated output Power Max. DC Applicable AC input Drive model rating input current motor current current (kW) (kW) (A) * SLR03-2S0.4B SLR03-2S0.75B 0.75...

  • Page 8: Wiring Diagram

    SLR03 User Manual Chapter 1 Product Information 1.4 Wiring Diagram Solar panel R & T for single phase input Circuit Contactor breaker Three-phase power supply GK610 380V 50/60Hz Motor Power Supply Main Ground Ground Circuit DIP switch Default value is 1: +24V Jumper OFF, 2 : OFF, 3: OFF, 4: ON...
  • Page 9 SLR03 User Manual Chapter 1 Product Information SLR03 drive terminals have following default configuration. Stop (0) / Start (1) Solar mode (0) / Grid AC power supply constant speed mode (1) Solar mode (0) / Grid AC power supply constant pressure mode (1) Local control (0): control panel control / Remote control (1): terminal control Actual water pressure feedback, occupied in AC constant pressure...
  • Page 10 SLR03 User Manual Chapter 1 Product Information current (A) Output frequency 0.00~ 600.00Hz; unit: 0.01Hz (Hz) Overload 150% - 1min, 180% - 10s, 200% - 0.5s every 10 mins capacity V/f patterns V/f control Range of speed 1:100 regulation Control Speed characteristics ±0.5%...

  • Page 11: Parts Drawing

    SLR03 User Manual Chapter 1 Product Information Parts Drawing External and installation dimensions (mm) Weight Model Mounting (kg) hole dia SLR03-2S0.4B SLR03-2S0.75B SLR03-2S1.5B SLR03-2S2.2B 170.5 SLR03-4T0.75B GK610-4T1.5B GK610-4T2.2B SLR03-4T3.7B SLR03-4T5.5B 100 224.5 152.5 214.5 SLR03-4T7.5B - 7 -...

  • Page 12: Chapter 2 Installation And Wiring

    SLR03 User Manual Chapter 2 Installation and Wiring Chapter 2 Installation and Wiring 2.1 Installation Environment 1） Ambient temperature is in the range of -10℃~ 40℃. 2） Drive should be installed on surface of flame retardant object, with adequate surrounding space for heat dissipation.

  • Page 13: Control Terminal Wiring

    SLR03 User Manual Chapter 2 Installation and Wiring 2.3 Control Terminal Wiring WARNING AC 220V signal is prohibited from connecting to other terminals than control terminals RA, RB and RC. Failure to comply may result in equipment damage. Shielded cables are highly recommended and the cables should be as short as possible in order to avoid any faults caused by interference.

  • Page 14: Functions Of Communication 485 Terminal

    SLR03 User Manual Chapter 2 Installation and Wiring Category Terminal Terminal Specification designation high-speed Pulse input: 0.1Hz~20kHz pulse input Range of voltage: 10V~30V Digital Open collector Range of voltage: 0~24V; output output Range of current: 0~50mA Relay RA/RB/ Control board RA-RB: NC;...

  • Page 15: Chapter 3 Operation And Run Instructions

    SLR03 User Manual Chapter 4 Operation and Run Instructions Chapter 3 Operation and Run Instructions ey functions on keypad Hz/A/V/RUN/FWD/REV: Frequency, current, voltage, run, forward, & reverse; Shift/escape: Short press as shift key; long press for Decrease 1s as escape key Increase Stop/Reset Confirm...
  • Page 16 SLR03 User Manual Chapter 4 Operation and Run Instructions Control panel locked 2 LoC-2 P-CLr Password cleared (all locked except RUN, STOP/RESET) Control panel locked 3 Motor parameter LoC-3 TUNE identification in process (all locked except STOP/RESET) Control panel locked 4 LoC-4 Drive undervoltage (all locked except shift...
  • Page 17 SLR03 User Manual Chapter 4 Operation and Run Instructions Displayed Character Displayed Character Displayed Character Displayed Character character Meaning character Meaning character Meaning character Meaning 8． ． - 13 -...

  • Page 18: First-Time Power Up

    SLR03 User Manual Chapter 4 Operation and Run Instructions 3.3 First-time Power up Perform wiring in strict accordance with technical requirements as set forth in Chapter 3 - Installation and Wiring. The flow chart of first-time power up is as shown in below: 3.3.1 Flow chart of first-time power up of asynchronous motor Ready Make sure power lines are connected correctly...
  • Page 19 SLR03 User Manual Chapter 4 Operation and Run Instructions 3.3.2 Flow chart of first-time power up of synchronous motor Ready Make sure power lines are connected correctly Make sure motor lines are connected with U, V, W A0-03=3 restored to factory default A0-09=03 Set parameters d0-01~d0-06 according to motor nameplate After D0-22 is set to 4, press RUN to perform identification...

  • Page 20: Chapter 4 Parameters Lists

    SLR03 User Manual Chapter 5 Parameters Specification Chapter 4 Parameters Lists SLR03 parameter groups are listed below: Category Parameter group Reference page Group A: system parameters A0: system parameters and parameter management A1: user-defined display parameters b0: frequency setting Group b: Run parameter b1: start/stop control setting b2: Accel/Decel parameters...
  • Page 21 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default △ A0-00 User password 0~FFFF 0000 0: Display all parameters 1: Only display A0-00 and A0-01 2: Only display A0-00, A0-01 and user-defined parameters △ A0-01 Parameter display A1-00~A1-19 3: Only display A0-00, A0-01, and the parameters different from factory...
  • Page 22 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default A1-08 User-defined display parameter 9 d0-05 × A1-09 User-defined display parameter 10 d0-06 × A1-10 User-defined display parameter 11 d0-22 × A1-11 User-defined display parameter 12 F6-01 ×...
  • Page 23 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 0: Run at lower limit FREQ Operation when set FREQ b0-11 1: Run at 0 Hz × lower than lower limit FREQ 2: Stop Time-delay of stop when set b0-12 FREQ lower than lower limit 0.0s ~ 6553.5s...
  • Page 24 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default △ b2-02 Decel time 1 0s~600.00s/6000.0s/60000s 0.2s b2-03 Accel time 2 0s~600.00s/6000.0s/60000s 10.0s △ △ b2-04 Decel time 2 0s~600.00s/6000.0s/60000s 0.2s Group C Input and Output Terminals Group C0 Digital Input Enabled condition of run 0: Trigger edge detected + ON...
  • Page 25 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default digital setting b0-04 33: PID adjustment direction 34: PID paused 35: PID integration paused 36: PID parameter switch 37~38: Reserved 39: Pulse input for flow calculation 40: Flow calculation reset 41~67: Reserved 68: Run prohibited 69: Reserved...
  • Page 26 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 10: Frequency detection FDT1 11: Frequency detection FDT2 12: Reserved 13: Torque limited 14: Fault output 15: Alarm output 16: Drive (motor) overloaded alarm 17: Drive overheat alarm 18: Zero current detection 19: X1 20: X2...
  • Page 27 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 1: Curve 2 (4 points) 2: Curve 3 (4 points) 3: Curve 2 and curve 3 switchover Tens place: Potentiometer input curve Hundreds place: Reserved Thousands place: Reserved △...
  • Page 28 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default point A Input of curve 3 inflection Range: curve 3 minimum input~ input △ C2-17 0.0% point B of curve 3 inflection point A Set value corresponding to input △...
  • Page 29 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 18:Output current (relative to motor rated current) 19:Output torque (direction hinted) 20:Set torque (direction hinted) 21~99: Reserved C3-03 AO offset -100.0%~100.0% 0.0% × C3-04 AO gain -2.000~2.000 1.000 ×...
  • Page 30 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default motor Group E Enhanced Function and Protection Parameters Group E0 Enhanced Function ≤15kW: 0.7kHz~16.0kHz, factory default: 8.0 kHz 18.5kW~45kW: Model △ E0-00 Switching FREQ 0.7kHz~10.0kHz, factory default: dependent 4.0 kHz 55kW~75kW:...
  • Page 31 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default setting Accumulative run time E0-04 0.0s(h)~6000.0s(h) 0.0 s(h) × setting Group E1 Protection Parameters 0: Prohibited E1-00 Overvoltage stall × 1: Allowed Overvoltage stall protection E1-01 120%~150% 130% ×...
  • Page 32 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default Ones place: abnormal power supply when running (SUE): 0: Coast to stop 1: Alarm but run continued Tens place: current detection circuit failed (CtC) 0: Coast to stop 1: Alarm but run continued Hundreds place: abnormal contactor (CCL):...
  • Page 33 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default Drive overheat alarm △ E1-13 0.0℃~100.0℃ 80.0℃ threshold Group F Application Group F0 MPPT Process PID adjustment 0~5：Reserved F0-00 PID setting × 6: The voltage calculated by MPPT 0~8: Reserved F0-02 PID feedback...
  • Page 34 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 0: F5-01digital setting 1~3: Reserved F5-00 Pressure PID Setting 4: X4 pulse input × 5: Reserved 6: F6-26 digital setting. △ F5-01 PID digital setting 0.0%~100.0% 50.0% 0~8: Reserved F5-02 PID feedback...
  • Page 35 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default Holding time of PID initial △ F5-20 0.0s~3600.0s 0.0s value PID feedback loss detection △ F5-21 0.0%~100.0% 0.0% value PID feedback loss detection △ F5-22 0.0s~30.0s 1.0s time Maximum FREQ when △...
  • Page 36 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default F6-08 Restart time delay 0.0s~600.0s 30.0s △ F6-09 Pump cleaning speed 0.00Hz~100.00Hz 30.00Hz △ F6-10 Pump cleaning time △ 0s~300s F6-11 Reserved △ Reserved F6-12 Sleep frequency △...
  • Page 37 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default delay Start pressure at constant F6-34 0.00Mpa~9.99Mpa 0.10Mpa △ pressure mode Low frequency sleep reset F6-35 △ 0s~6000s delay time 0: Calculation on pulse input F6-36 Flow calculation 1: Calculation on PQ performance ×...
  • Page 38 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default Ones place: baud rate 0: 4800bps 1: 9600bps 2: 19200bps 3: 38400bps 4: 57600bps 5: 115200bps Tens place: data format 0: 1-8-2-N format, RTU 1: 1-8-1-E format, RTU SCI port communication 2: 1-8-1-O format, RTU H0-01...
  • Page 39 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 0: Digital setting + adjustment through ∧/∨ on control panel 1: Digital setting + terminal UP/DOWN adjustment 2: Analog input AI1 3:Potentiometer input U0-07 Master FREQ set source ◎...
  • Page 40 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default U0-20 PID set 0.0%~100.0% 0.0% ◎ U0-21 PID feedback 0.0%~100.0% 0.0% ◎ U0-22 PID input offset -100.0%~100.0% 0.0% ◎ U0-23 PLC step 0~15 ◎ U0-24 V/f separated target voltage 0.0%~100.0% 0.0% ◎...
  • Page 41 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default cumulated flow Low-place numeric 0.0 m ~1000.0 m 0.0m U0-53 ◎ cumulated flow Flow of this power-up 0.0 m ~6553.5 m 0.0 m U0-54 ◎ Real time flow rate 0.0 L/s~6553.5 L/s 0.0 L/s U0-55...
  • Page 42 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default 29: EEPROM read/write fault (EPr) 30: Contactor close fault (CCL) 31: Reserved 32: Control panel communication abnormal (PdC) 33: Parameter copy fault (CPy) 34: Reserved 35: Software version compatibility fault (SFt) 36: CPU interference as a fault (CPU) 37: Overcurrent reference fault (oCr)
  • Page 43 SLR03 User Manual Chapter 5 Parameters Specification Factory Parameter Designation Scope Attr default Temperature 2 of heat U1-14 -40.0℃~100.0℃ 0.0℃ ◎ sink at fault 2 Input terminal status at fault U1-15 0~FFFF 0000 ◎ Output terminal status at U1-16 0~FFFF 0000 ◎...

  • Page 44: Chapter 5 Parameters Specification

    Chapter 5 Parameters Specification Chapter 5 Parameters Specification SLR03 series solar pump drives are dedicated for asynchronous motors, synchronous motor, and BLDC, used at solar water pumps, supporting PV panel DC input or grid AC input. SLR03 drives can quickly capture and track the maximum power point according to the radiation intensity, and always maintain the maximum output power of the system in the speed non-limited mode.

  • Page 45: Plug-And-Play Mode

    SLR03 User Manual Chapter 5 Parameters Specification 5.1 Plug-and-Play Mode Parameter restoration Range: 0~4 A0-03 Factory default: 0 0: No operation 1: Clear fault record When this parameter is set to 1, all fault record of Group U1 will be cleared. 2: Restore all parameters to factory default (excluding motor parameters) 3: Restore all parameters to factory default (including motor parameters) 4: Restore all parameters to backup parameters...
  • Page 46 SLR03 User Manual Chapter 5 Parameters Specification Range: Factory default: d0-01 Motor power rating 0.4kW~6553.5kW model dependent d0-02 Motor rated voltage Range: 0V~480V Factory default: 380V Factory default: d0-03 Motor rated current Range: 0.0A~6553.5A model dependent Range: 0.00Hz~upper Factory default: d0-04 Motor rated frequency limit frequency...
  • Page 47 SLR03 User Manual Chapter 5 Parameters Specification 3: Reserved 4: Static autotuning of sync motor Applies to parameter autotuning for sync motor. After d0-22 is set to 4 and confirmed, press the key RUN to start static autotuning. d0-22 will be restored to 0 upon the successful completion of autotuning.
  • Page 48 SLR03 User Manual Chapter 5 Parameters Specification If users want to define the protection delay time, go to the expert mode, A0-01=0, to set F6-15, and F6-17. Hundreds place: The function of the button RUN under control panel control. 0: Press RUN to run, while the run command is invalid after power loss. 1: Press RUN to run, while the run command is still valid after repower-up, unless pressing STOP to stop.
  • Page 49 SLR03 User Manual Chapter 5 Parameters Specification F6-09, and last the time by F6-10. The deceleration time plus the dead time between forward and reserve is 10 seconds. The cycle repeats three times and then the pump stops and the thousands place is stored to 0 automatically.

  • Page 50: Expert Mode

    SLR03 User Manual Chapter 5 Parameters Specification The motor stops its spinning and the drive control panel displays "SLP". When the solar weak wake-up time delay defined by F6-14 elapses, the system is woken up and gets into judgement state of restarting. If this parameter is set to 0.00Hz, the solar weak sleep function is disabled.
  • Page 51 SLR03 User Manual Chapter 5 Parameters Specification A non-zero four-digital number could be set as a user password by entering this password into A0-00 and pressing ENT key to confirm once, then reenter and reconfirm it once again within 10 seconds. Once this password has been successfully set, the word "P-SEt" would be displayed.
  • Page 52 SLR03 User Manual Chapter 5 Parameters Specification Factory default: A0-05 Parameter copy Range: 0~3 0: No operation 1: Upload all parameters other than Group U to control panel 2: Download all parameters of control panel other than d0-01~d0-18 and d3-01~d3-18 to drive 3: Download all parameters of control panel to drive Factory default: A0-09...
  • Page 53 SLR03 User Manual Chapter 5 Parameters Specification the initial value of master frequency setting. Factory default: b0-03 Auxiliary FREQ setting Range: 0~10 When AC constant speed mode is activated (X2 activated), frequency setting will be shifted to auxiliary frequency setting (b0-03 and b0-04). 0: No setting 1: Digital setting (b0-04) + ∧/∨...
  • Page 54 SLR03 User Manual Chapter 5 Parameters Specification Fig. 5-3 ATTENTION: Maximum frequency, upper limit frequency and lower limit frequency should be set with caution in accordance with nameplate parameters of motor and operation requirements. Jog and motor parameter identification is free from limitations of upper and lower limit frequency. In addition to limitation of upper limit frequency and lower limit frequency, the output frequency is also subject to limitations of starting frequency, stop DC brake initial frequency, skip frequency and other parameter settings.
  • Page 55 SLR03 User Manual Chapter 5 Parameters Specification Master device is able to control run command through built-in RS485 serial communication interface of the drive. Refer to parameters Group H0 and appendix at GK600 user manual for further information about programming. b1-02 Run direction Range: 0~1...
  • Page 56 SLR03 User Manual Chapter 5 Parameters Specification b1-13 Stop method Range: 0~2 Factory default: 0 0: Ramp to stop Upon the receipt of stop command, drive gradually decreases output frequency according to the set Decel time, and stop when frequency attains 0. 1: Coast to stop Upon the receipt of stop command, drive will immediately lock the output and the motor will stop with its mechanical inertia.
  • Page 57 SLR03 User Manual Chapter 5 Parameters Specification Group C Input and Output Terminals Group C0 Digital Input C0-01 Function of terminal X1 Range: 0~99 Factory default: 80 Function of terminal X2 C0-02 Range: 0~99 Factory default: 86 Function of terminal X3 C0-03 Range: 0~99 Factory default: 87...
  • Page 58 SLR03 User Manual Chapter 5 Parameters Specification Set value Function Set value Function Accel/Decel time determinant 1 71~99 Reserved Accel/Decel time determinant 2 Start the motor Accel/Decel disabled(ramp stop 81~85 Reserved not inclusive) External fault input AC constant speed mode Fault reset (RESET) AC constant pressure control mode...
  • Page 59 SLR03 User Manual Chapter 5 Parameters Specification 1: Negative logic; ON when no current flows through Tens place: X2 (same as X1) Hundreds place: X3 (same as X1) Thousands place: X4 (same as X1) Group C1 Digital Output C1-00 Y1 output function Range: 0~99 Factory default: 3 Control board relay...
  • Page 60 SLR03 User Manual Chapter 5 Parameters Specification Value Function Value Function Alarm output Solar weak sleep Drive (motor) overloaded alarm Dry run protection sleep Current voltage lower than the Drive overheated alarm start threshold Current pressure lower than Zero-current detection minimum pressure Low pressure sleep 10: Frequency detection FDT1...
  • Page 61 SLR03 User Manual Chapter 5 Parameters Specification When the pressure shown in U0-56 is lower than minimum pressure defined by F6-25 and this state lasts the time defined by F6-30, the system will sleep and this terminal is activated. C1-04 Y1 output time delay Range: 0.0s~3600.0s Factory default: 0.0s...
  • Page 62 SLR03 User Manual Chapter 5 Parameters Specification Input of curve 2 inflection point Input of curve 2 inflection point Factory default: C2-07 B ~ curve 2 maximum input 0.0% Set value corresponding to Factory default: C2-08 input of curve 2 inflection point Range: -100.0%~100.0% 0.0% Range: Curve 2 minimum input...
  • Page 63 SLR03 User Manual Chapter 5 Parameters Specification Potentiometer input filter Factory default: C2-22 Range: 0.000s~10.000s time 0.1s Factory default: C2-24 DI maximum input Range: C2-26~50.0kHz 50.0kHz Set value corresponding to DI Factory default: C2-25 Range: -100.0%~100.0% maximum input 100.0% Factory default: C2-26 DI minimum input Range: 0.0kHz~C2-24 0.0kHz...
  • Page 64 SLR03 User Manual Chapter 5 Parameters Specification Group d Motor and Control Parameters Group d0 Motor Parameters Range: Factory default: d0-01 Motor power rating 0.4kW~6553.5kW model dependent d0-02 Motor rated voltage Range: 0V~480V Factory default: 380V Factory default: d0-03 Motor rated current Range: 0.0A~6553.5A model dependent Range: 0.00Hz~upper...
  • Page 65 SLR03 User Manual Chapter 5 Parameters Specification Flux weakening coeff 2 of Factory default: d0-13 Range: 0.0000~1.0000 async motor 1 model dependent Flux weakening coeff 3 of Factory default: d0-14 Range: 0.0000~1.0000 async motor 1 model dependent Stator resistance of sync Factory default: d0-15 Range: 0.001Ω~65.535Ω...
  • Page 66 SLR03 User Manual Chapter 5 Parameters Specification the key RUN to start static autotuning. d0-22 will be restored to 0 upon the successful completion of autotuning. In this way, parameters d0-15~d0-17 are obtained. 5: No-load rotary autotuning of sync motor Applies to parameter autotuning for sync motor.
  • Page 67 SLR03 User Manual Chapter 5 Parameters Specification Thousands place: PWM switching FREQ relation with output frequency 0: Self-adaption 1: No adaption Action when run time Factory default: E0-02 Range: 000~111 attained Ones place: action when consecutive run time attained 0: Run continued 1: Stop and fault reported Tens place: action when accumulative run time attained 0: Run continued...
  • Page 68 SLR03 User Manual Chapter 5 Parameters Specification 1: Detect at constant speed only Tens place: compared with 0: motor rated current 1: drive rated current Hundreds place: drive action 0: Alarm but run continued 1: Alarm and coast to stop Factory default: E1-04 Overload alarm threshold...
  • Page 69 SLR03 User Manual Chapter 5 Parameters Specification 1: Alarm but run continued Thousands place: input supply fault /output phase loss (ISF, oPL) 0: Protection for neither input supply fault nor output phase loss 1: No protection for input supply fault, protection enabled for output phase loss 2: Protection enabled for input supply fault, no protection for output phase loss 3: Protection enabled both for input supply fault and output phase loss ATTENTION:...
  • Page 70 SLR03 User Manual Chapter 5 Parameters Specification Group F Application Group F0 MPPT process PID adjustment The purpose of process PID control is to make feedback value consistent with the set value. F0-00 PID setting Range: 0~6 Factory default: 6 Selects the setting source of PID control.
  • Page 71 SLR03 User Manual Chapter 5 Parameters Specification Differential time Td: It can predict the change trend of offset and thus can rapidly respond to the change, improving dynamic performance. However, this is vulnerable to interference. Please use differential control with caution. Factory default: F0-11 Proportional gain Kp2...
  • Page 72 SLR03 User Manual Chapter 5 Parameters Specification Table 5-4 Multi-step pressure determinant Multi-step pressure 0 Multi-step pressure 1 Multi-step pressure 2 Multi-step pressure 3 Multi-step pressure 4 Multi-step pressure 5 Multi-step pressure 6 Multi-step pressure 7 Factory default: F1-01 Minimum pressure 0 Range: 0.00Mpa~9.99Mpa 0.00Mpa This parameter sets the minimum pressure 0.
  • Page 73 SLR03 User Manual Chapter 5 Parameters Specification Factory default: Multi-step pressure 5 Range: 0.00Mpa~9.99Mpa F1-12 0.30Mpa Factory default: Minimum pressure 6 Range: 0.00Mpa~9.99Mpa F1-13 0.00Mpa Factory default: Multi-step pressure 6 Range: 0.00Mpa~9.99Mpa F1-14 0.30Mpa Factory default: Minimum pressure 7 Range: 0.00Mpa~9.99Mpa F1-15 0.00Mpa Factory default:...
  • Page 74 SLR03 User Manual Chapter 5 Parameters Specification Tens place: Integration selection 0: Integral continued when frequency attains upper/lower frequency Under PID control, when output frequency attains upper/lower limit of frequency or parameter value of F5-23 (maximum frequency if it is opposite to command running direction), PID integral continues.
  • Page 75 SLR03 User Manual Chapter 5 Parameters Specification Filtering time of PID Factory default: F5-06 Range: 0.00s~60.00s feedback 0.00s Factory default: F5-07 Filtering time of PID output Range: 0.00s~60.00s 0.00s Set the filtering time of PID setting, feedback and output. Factory default: F5-08 Proportional gain Kp1 Range: 0.0~200.0...
  • Page 76 SLR03 User Manual Chapter 5 Parameters Specification Always determined by Kp1, Ti1 and Td1 set at F5-08~F5-10. 1: Auto switched on the basis of input offset When the offset between setting and feedback is less than the set value of F5-15, PID adjustment is determined by Kp1, Ti1 and Td1.
  • Page 77 SLR03 User Manual Chapter 5 Parameters Specification PID feedback loss detected Factory default: F5-21 Range: 0.0%~100.0% value 0.0% PID feedback loss detected Factory default: F5-22 Range: 0.0s~30.0s time 1.0s When offset between feedback and setting of PID is bigger than set value of F5-21 and the lasting time attains the set time of F5-22, the drive reports fault "Plo".
  • Page 78 SLR03 User Manual Chapter 5 Parameters Specification SLR03 drives are equipped with dry run protection as default at plug and play mode. Before programming dry run protection function, users need to confirm the drive can run at rated frequency because the drive needs to study the current at rated frequency during automatically programming the function of dry run protection, no matter the power supply is from solar panels or AC gird.
  • Page 79 SLR03 User Manual Chapter 5 Parameters Specification F6-03, F6-04 restrict MPPT algorithm boundary. Appropriate values pledge the MPPT stability and efficiency. Factory default: 400.0V (4T model) F6-05 Pump start voltage Range: 0.0V~1000.0V 200.0V (2T/2S model) Only when the actual output voltage of the PV panels is higher than this voltage, the pump has the precondition to get started.
  • Page 80 SLR03 User Manual Chapter 5 Parameters Specification defined by F6-14 elapses, the systme is woken up and gets into judgement state of restart. If this parameter is set to 0.00Hz, solar weak sleep function is disabled. F6-13 Solar weak sleep time delay Range: 0s~1000s Factory default: 10s When run frequency is lower than sleep frequency, and the time to maintain this state is longer...
  • Page 81 SLR03 User Manual Chapter 5 Parameters Specification acquired by the analog signal is bigger than the full water level threshold defined by F6-21 and lasts the time set by F6-22, the pump will be stopped and the drive display “StF” as prompt message.
  • Page 82 SLR03 User Manual Chapter 5 Parameters Specification minimum pressure sleep time F6-30 Range: 0s~1000s Factory default: 10s delay When the pressure is lower than the minimum pressure F6-25 and lasts the time set by F6-30, the pump stops and the drive displays “LoP”. This function is often used as dry run protection at a pressure sensor input, more accurate than the dry run protection set by F6-15, F6-16.
  • Page 83 SLR03 User Manual Chapter 5 Parameters Specification P(kW) P(kW) F6-49 F6-49 · F6-47 · F6-47 · · F6-45 F6-45 F6-43 · F6-43 · F6-41 F6-41 F6-42 F6-44 F6-46 F6-48 F6-50 F6-42 F6-44 F6-46 F6-48 F6-50 Fig. 5-4 PQ performance curve The solar pump inverter provides the required flow data for current power-up and the accumulated.
  • Page 84 SLR03 User Manual Chapter 5 Parameters Specification When the working speed is lower than this parameter setting, the flow won’t be calculated. Range: Factory default: F6-41 PQ curve P1 0.0kW~6553.5kW 0.0kW Defines the input power of pump in kW at point 1 on the PQ performance curve. Range: Factory default: F6-42...
  • Page 85 SLR03 User Manual Chapter 5 Parameters Specification Factory default: F6-55 MPPT sampling time Range:0s~5.000s 1.00s When the input voltage is far from MPPT target voltage, F6-54 sets pre-MPPT algorithm sampling time. The shorter the F6-54 value, the faster the MPPT climbing but less stability. F6-55 sets MPPT sampling time.
  • Page 86 SLR03 User Manual Chapter 5 Parameters Specification Tens place: data format 0: 1-8-2-N format, RTU 1: 1-8-1-E format, RTU 2: 1-8-1-O format, RTU 3: 1-7-2-N format, ASCII 4: 1-7-1-E format, ASCII 5: 1-7-1-O format, ASCII Hundreds place: connection type 0: Direct cable connection (232/485) 1: MODEM (232) (reserved) Thousands place: communication data handling at power loss 0: Saved at power loss...
  • Page 87 SLR03 User Manual Chapter 5 Parameters Specification Group U0 Status Monitoring Factory default: U0-00 Run frequency Range: 0.00Hz~600.00Hz 0.00Hz Factory default: U0-01 Set frequency Range: 0.00Hz~600.00Hz 0.00Hz Factory default: U0-02 Bus voltage Range: 0V~65535V Factory default: U0-03 Output voltage Range: 0V~65535V Factory default: U0-04 Output current...
  • Page 88 SLR03 User Manual Chapter 5 Parameters Specification Factory default: U0-14 EAI input voltage Range: 0.00V~10.00V 0.00V Factory default: U0-15 AO1 output Range: 0.0%~100.0% 0.0% Factory default: U0-16 EAO output Range: 0.0%~100.0% 0.0% Factory default: U0-17 X4 pulse frequency Range: 0.0kHz~50.0kHz 0.0kHz Factory default: U0-18...
  • Page 89 SLR03 User Manual Chapter 5 Parameters Specification Factory default: U0-30 Cumulative power-up time Range: 0h~65535h Factory default: U0-31 Cumulative run time Range: 0h~65535h Factory default: U0-32 Heat sink temperature 1 Range: -40.0℃~100.0℃ 0.0℃ Factory default: U0-33 Heat sink temperature 2 Range: -40.0℃~100.0℃...
  • Page 90 SLR03 User Manual Chapter 5 Parameters Specification U0-49 Output power Range: 0~655.35 kW Factory default: 0 U0-50 Bus current Range: 0~50.00 A Factory default: 0 U0-51 Present step size Range: 0~10 V Factory default: 0 High-place numeric of Factory default: U0-52 Range: 0m3~65535 km cumulated flow...
  • Page 91 SLR03 User Manual Chapter 5 Parameters Specification Group U1 History Fault U1-00 History fault 1 (latest) Range: 0~51 Factory default: 0 Factory default: U1-01 Run frequency at fault 1 Range: 0.00Hz~600.00Hz 0.00Hz U1-02 Output current at fault 1 Range: 0.0A~6553.5A Factory default: 0.0A U1-03 Bus voltage at fault 1...
  • Page 92 SLR03 User Manual Chapter 5 Parameters Specification U1-18 Code of fault 3 Range: 0~51 Factory default: 0 Factory default: U1-19 Run frequency at fault 3 Range: 0.00Hz~600.00Hz 0.00Hz U1-20 Output current at fault 3 Range: 0.0A~6553.5A Factory default: 0.0A U1-21 Bus voltage at fault 3 Range: 0V~10000V Factory default: 0V...

  • Page 93: Chapter 6 Troubleshooting

    GK600 User Manual Chapter 6 Troubleshooting Chapter 6 Troubleshooting 6.1 Fault Causes and Troubleshooting Once drive fault occurs, please identify the causes of fault carefully and make a detailed record of fault symptom. To seek services, please contact the dealer. Parameters U1-00, U1-09 and U1-18 are used to view the records of fault 1, fault 2 and fault 3.
  • Page 94 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display Load variation is too Check the load Abnormal input Check power grid voltage voltage Output short circuit Constant-spee Check motor connection (phase-to-phase short d overvoltage and output ground circuit or output ground impedance short circuit)
  • Page 95 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display motor nameplate Load is too heavy Reduce the load Inappropriate V/f curve Set V/f curve correctly under V/f control Restart the rotary Reduce current limited motor value or flying start Torque boost is too big Reduce torque boost...
  • Page 96 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display Abnormal bus Seek services capacitance Motor cable Check motor connection connection abnormal Imbalance among Check or replace the Output phase motor three phases motor loss Incorrect setting of Correctly set vector control vector control parameters...
  • Page 97 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display time attained attained" enabled DC bus voltage Power supply Check input power grid fluctuation is too big or abnormal at run voltage and load the power is lost Parameter read/write EEPROM abnormal at control...
  • Page 98 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display out-of-limit Control board failed Seek services Not PMSM Confirm motor type EMF abnormalt PMSM demagnetizing Change motor Control board failed Seek services AI input AI input is too high or Set AI input within correct out-of-limit range...
  • Page 99 GK600 User Manual Chapter 6 Troubleshooting Fault Fault Fault description Causes Solutions code display protection dry run protection Low frequency Frequency is too low See specification of at constant at constant pressure F6-32~F6-35 pressure mode mode ATTENTION: When a fault occurs, please identify the causes and seek solutions according the guidance in the table.

  • Page 100: Chapter 7 Maintenance

    SLR03 User Manual Chapter 7 Maintenance Chapter 7 Maintenance Ambient temperature, humidity, salt mist, dust, vibration, degradation of internal components may result in drive faults. Routine maintenance shall be performed during the use and storage. ATTENTION: Please make sure the power supply of the drive has been cut off, and DC bus voltage has discharged to 0V before the maintenance.

  • Page 101: Regular Maintenance

    SLR03 User Manual Chapter 7 Maintenance Inspection Inspection Inspection aspects Criteria items methods No abnormal heating and Thermal status Smell scorching smell Motor Noise Listen No abnormal noise Observe, Vibration No abnormal vibration and sound listen Power supply input Ammeter In the range of requirement current Power supply input...

  • Page 102: Replacement Of Vulnerable Parts

    SLR03 User Manual Chapter 7 Maintenance Inspection items Measures Check if there are defect on power cables and control Replace the cables cables Check if there is dust on circuit board Clear it up Check if air duct is blocked Clear it up Test the ground terminal with 500V megameter after all input...

  • Page 103: Storage

    SLR03 User Manual Chapter 7 Maintenance Vulnerable Service life Cause of damage Criteria parts Check if fan blades have Wear of bearing and cracks 30,000~40,000h degradation of blade Check if there is abnormal vibration and noise on working Excessively high ambient temperature Check if there is liquid leakage and excessively low...
  • Page 104 SLR03 User Manual Chapter 7 Maintenance ATTENTION: Since long-term storage may lead to the degradation of electrolytic capacitor, the inverter must be powered up once in case storage period exceeds 2 years. After applying the power, input voltage must be boosted to rated value gradually using a voltage regulator, and be sure to have the inverter operated at no load for more than 5 hours.

  • Page 105: Appendix Communication Protocol

    SLR03 User Manual Chapter 7 Maintenance Appendix Appendix Communication Protocol Networking Mode The drives have two networking modes, single master/multiple slaves networking and single master/single slave networking. 主机为 主机为 The master The master is PC is PC PC机 RS232 232/485 RS485 转换模块...

  • Page 106: Communication Mode

    SLR03 User Manual Chapter 7 Maintenance Communication Mode 1） Drive is used as a slave for master-slave station-to-station communication. When master sends commands using broadcast address, the slave does not respond; 2） Native address, baud rate and data format of inverter are set through slave operating panel or serial communication;...
  • Page 107 SLR03 User Manual Chapter 7 Maintenance Response frame of slave 0x01 is as below: Appendix Table 2 Register Address Function code Read words Check sum address 13 88 B5 12 ASCII: 1） Frame header is "0x3A" while the default frame end is "0x0D" "0x0A"; also, frame end can be configured and defined by user;...

  • Page 108: Protocol Function

    SLR03 User Manual Chapter 7 Maintenance than 1ms. Protocol Function The uppermost function of Modbus is to read and write parameters, and different parameters determine different operation requests. Parameters operations supported by inverter Modbus protocol are as shown in the table below: Appendix Table 4 Parameters Parameter Meaning of parameter...
  • Page 109 SLR03 User Manual Chapter 7 Maintenance Parameter Mapping register Mapping register Parameter group group address, high byte address, high byte 0x04 0x16 0x05 0x17 0x06 0x18 0x07 0x19 0x08 0x1A 0x09 0x1B 0x0A 0x1C 0x0B 0x1D 0x0C 0x1E 0x0D 0x1F 0x0E 0x20 0x0F...
  • Page 110 SLR03 User Manual Chapter 7 Maintenance Response format is shown in appendix table 7. Appendix Table 7 Application layer protocol Data length (number of Range data unit bytes) Parameter 0x03 Number of read bytes 2* number of registers Register content 2* number of registers Check LRC or CRC...
  • Page 111 SLR03 User Manual Chapter 7 Maintenance Appendix Table 10 Parameters Remarks (Parameter identification) d0-22 d3-22 Communication not operable (Parameter passing) A0-05 Communication not operable User password can not be set by communication, but the user password set by control panel can be unlocked by writing the (User password) A0-00...
  • Page 112 SLR03 User Manual Chapter 7 Maintenance Appendix Table 13 Line diagnosis sub-parameter Data Data Sub-PARA Meaning of subfunction (request) (response) Reinitialize communication: make 0x0000 0x0000 no-response mode disable. 0x0001 Reinitialize communication: make 0xFF00 0xFF00 no-response mode disable. Set the frame end of ASCII mode and this "new frame end"...
  • Page 113 SLR03 User Manual Chapter 7 Maintenance Check LRC or CRC Response format is shown in appendix table 15. Appendix Table 15 Application layer protocol Data length (number of Range data unit bytes) Parameter 0x10 Register address 0x0000~0xFFFF Number of registers 0x0001~0x0004 Check LRC or CRC...
  • Page 114 SLR03 User Manual Chapter 7 Maintenance Appendix Table 18 Parameter management sub-parameters Meaning of Sub-PARA Data (request) Data (response) subfunction Parameter group number and in-group index Read the upper limit of 0x0000 Upper limit of parameter respectively possess high parameter and low bytes Parameter group number and in-group index...
  • Page 115 SLR03 User Manual Chapter 7 Maintenance Characteristic Value Meaning parameter (BIT) Not changeable in run, but changeable in stop Read only Factory parameters 000B Accuracy: 1 001B Accuracy: 0.1 010B Accuracy: 0.01 BIT4~BIT2 011B Accuracy: 0.001 100B Accuracy: 0.0001 Others Reserved 000B The unit is A...
  • Page 116 SLR03 User Manual Chapter 7 Maintenance Appendix Table 20 Application layer protocol Data length (number of bytes) Range data unit Parameter 0x80 + parameter Error code Check LRC or CRC Error codes supported by Modbus protocol are listed in the table below: Appendix Table 21 Error codes Error codes Meanings of error codes...
  • Page 117 SLR03 User Manual Chapter 7 Maintenance Save at power Register address Parameter name loss 0x6205 Multi-step frequency setting 0x6206 Simple PLC frequency setting 0x6207 PID digital setting percentage (0~100.0%) 0x6208 PID feedback percentage (0~100.0%) 0x6209 Electric driven torque limit (0~200.0%) 0x620A Brake torque limit (0~200.0%) 0x620B...
  • Page 118 SLR03 User Manual Chapter 7 Maintenance Register address Parameter name 0x630A Low-bit words of actual length 0x630B Status of digital input terminal 0x630C Status of digital output terminal 0x630D Setting of run frequency 0x630E PID setting 0x630F PID feedback 0x6310 Set length 0x6311 Set Accel time 1...
  • Page 119 SLR03 User Manual Chapter 7 Maintenance Control bit Value Meaning Function description BIT2 Jog disabled Reset command enabled BIT3 Reset command disabled Coast to stop enabled BIT4 Coast to stop disabled BIT15~BIT5 000000B Reserved ATTENTION: When BIT0 and BIT2 coexist, jog takes precedence. Drive status bits are shown in appendix table 25.

  • Page 120: Operation Instructions

    SLR03 User Manual Chapter 7 Maintenance Status bit Value Meaning Remarks Non-jog PID run BIT1 Non-PID run PLC run BIT2 Non-PLC run Run at multi-step frequency BIT3 Run at non-multi step frequency Ordinary run BIT4 Non-ordinary run Wobble frequency BIT5 Non-wobble frequency Undervoltage BIT6...
  • Page 121 SLR03 User Manual Chapter 7 Maintenance Appendix Table 28 Address Parameter Total number of Data Check code bytes 2* number of Bn~B0 XX XX registers Register address: 0x00 00~0x63 22; Number of registers: 0x00 01~0x00 0C; Data: n is equal to (2 x the number of registers -1). Application example: Note: before using communication controlling drive, please check if hardware is properly connected;...
  • Page 122 SLR03 User Manual Chapter 7 Maintenance Register address: 0x00 00~0x21 06 and 0x62 00~0x63 22. Sub-parameter: refer to the table of parameter managing sub-parameter. Data: refer to the values of data as set forth in the table of parameter managing sub-parameter. Example: Parameter 0x42 is used here to read the upper limit value of 0x01 slave's control parameter b0-02 which is 600.00:...
  • Page 123 SLR03 User Manual Chapter 7 Maintenance Register Number of Number of Check Address Parameter Data address registers data bytes code Number of XX XX 0001~0004 XX XX XX XX 2* registers Slave response: Appendix Table 37 Number of Address Parameter Register address Check code registers...

  • Page 124: Lrc/Crc Generation

    SLR03 User Manual Chapter 7 Maintenance Sub-parameter: table of line diagnosis sub-parameter. Example: Parameter 0x08 is used here to set the communication no-response mode of 0x01 slave: Appendix Table 41 Address Parameter Sub-PARA Data Check sum Request 00 04 00 00 A1 CA Response 00 04...
  • Page 125 SLR03 User Manual Chapter 7 Maintenance /* The function of CRC16*/ Uint16 CRC16(const Uint16 *data, Uint16 len) Uint16 crcValue = 0xffff; Uint16 i; while (len--) crcValue ^= *data++; for (i = 0; i <= 7; i++) if (crcValue & 0x0001) crcValue = (crcValue >>...

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