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GK 3000 Variable Frequency Drive User Manual

1. a VFDs below 2 2 KW b VFDs from 3 7 KW to 160 KW 14 Shenzhen Gozuk Co Limited Table 2 2 Dimensions mm www gozuk com Type Number WI H HI H2 D DI D2 d GK3000 2S0004 GK3000 2S0007 GK3000 2S0015 85 70 155 144 142 121 7 112 70 5 GK3000 4T0007 GK3000 4T0015 GK3000 2S0022 98 88 180 174 168 135 146 80 2 GK3000 4T0022 GK3000 4T0037 118 108 230 220 210 153 164 100 5 GK3000 4T0055 GK3000 4T0075 216 202 300 290 300 212 217 110 6 GK3000 4T0110 GK3000 4T0150 245 186 350 334 310 215 220 130 10 GK3000 4T0185 GK3000 4T0220 GK3000 4T0300 291 200 520 500 477 266 280 170 10 GK3000 4T0370 GK3000 4T0450 348 300 587 563 544 293 308 170 10 GK3000 4T0550 GK3000 4T0750 395 278 618 598 578 300 310 250 10 GK3000 4T0900 GK3000 4T1100 GK3000 4T1320 482 282 652 632 612 310 320 260 10 GK3000 4T1600 GK3000 4T1850 GK3000 4T2200 GK3000 4T2500 600 1440 400 15 Sh
2. P3 14 Acc time2 Range 0 1 6000 0 20 0 P3 15 Dec time2 Range 0 1 6000 0 20 0 P3 16 Acc time3 Range 0 1 6000 0 20 0 P3 17 Dec time3 Range 0 1 6000 0 20 0 P3 18 Acc time 4 Range 0 1 6000 0 20 0 P3 19 Dec time 4 Range 0 1 6000 0 20 0 P3 20 Acc time 5 Range 0 1 6000 0 20 0 P3 21 Dec time 5 Range 0 1 6000 0 20 0 P3 22 Acc time 6 Range 0 1 6000 0 20 0 P3 23 Dec time 6 Range 0 1 6000 0 20 0 P3 24 Acc time 7 Range 0 1 6000 0 20 0 P3 25 Dec time 7 Range 0 1 6000 0 20 0 This function can define seven kinds of Acc Dec time It can select 1 7 kind of Acc Dec time during running process by different combination of control terminal Please refer to P4 00 P4 05 R L limit freq P3 26 Multi stage freq 1 RS 5 00Hz limit freq R L limit freq P3 27 Multi stage freq 2 ower imit S ODD 10 00Hz limit freq L limit freq P328 Multi stage freq 3 Range Lower limit freq Upper 59 gor limit freq L limit freq 329 Man stare e nue ee Upper limit freq P3 30 Multi stage freq 5 Range Lower limit freq Upper 40 00Hz 79 Shenzhen Gozuk Co Limited www gozuk com limit freq L limit freq P331 Mula stageteg 6 freq Upper eie OU limit freq R L limit freq E332 Multistage teg
3. as ao as arcos s9 9 Locos aces 35 arcos oco sr ns Carmans m 5 omoa ns m 9 Shenzhen Gozuk Co Limited www gozuk com 380V GK3000 4T2200G GK3000 4T2200P Three phase GK3000 4T2500G GK3000 4T2500P 2 2 Specifications Items Specifications Voltage Freq Single phase220V three phase 200V three phase 380V 50Hz 60Hz Input Voltage 20 voltage unbalance rate lt 3 frequency 25 Rated voltage 0 200V 220V 380V OHz S00Hz Output 001Hz Overload ability 150 rated current for 1 minute 180 rated current for3 seconds modes Sensorless vector control with optimal low frequency dead time compensation Digital setting The highest frequencyx 0 01 Analog setting The precision highest frequency 0 2 Digital setting 0 01Hz Analog setting The highest frequencyx resolution 0 1 Start frequency 0 40Hz 20 00Hz Torque boost Auto torque boost manual torque boost 0 1 30 0 11 Shenzhen Gozuk Co Limited www gozuk com veu Five ways constant torque V F curve 1 kind of user defined V F V F curve curve 3 kinds of down torque curve 2 0 1 7 1 2times the power Two ways linear Acc Dec S curve Acc Dec 7 kinds of Acc Dec curve Acc Dec time time unit minute second optional max Time 6000 minutes DC braking start frequency 0
4. Digitals Current unit Freq unit Hz LED display Voltage unit V Analog indicator A 1 s indicator g x 7 Reverse output indicator Alarm Forward output indicator Menu selection exit key A O Save switch key Shift key JOG reverse I reas ki LC oS m Stop reset key Decrease key Forward running key Fig 4 2 Control panel diagram 4 2 2 Control Panel Function There are 8 keys and 1 analog potentiometer on the VFD s panel The functions are shown as follow Keys Function Function specification Forward i Press this key to forward run running key 35 Shenzhen Gozuk Co Limited www gozuk com STOP In the panel control mode press this key to stop VFD running and reset RESET Stop reset key in fault state MENU Menu ESC i r ing s selection exit Enter or exit programming state JoG JOG reverse In the panel control mode press this key for JOG running or key reverse running Increase key Increase of data or code Decrease key Decrease of data or code In the programming state press this key to change the data s BE Shift ke NS n d revising bit Save switch In the programming state press this key to enter the next menu or save DATA the function code data O Analog In potentiometer control mo
5. coefficient of speed 1 85 deviation ntegral adjustment PA 13 coefficient of speed 100 500 1 360 x deviation 14 Vector torque boost 100 150 100 x PA 15 Reserved 0 0 0 x PA 16 Reserved 1 5 1 4 x PA 17 Reserved 100 150 1 150 x PA 18 Reserved 150 1 150 PA 19 Reserved 0 2 1 0 PF Group Factory function parameter Func Factory Name Range Min Unit Change Code default PF 00 Reserved um 0 5 3 State Monitoring Parameter Table B Monitoring function parameter Func Factory Name Range Min Unit Change Code default b 00 Output freq Present output freq 0 01Hz b 01 Set Freq Present set Freq 0 01Hz ii Effective value of present output 02 Output voltage 1V voltage Effective value of present output d b 03 Output current 0 1A o current b 04 Busbar voltage Present DC busbar voltage 1V 05 Module temperature IGBT heat sink temperature 10C b 06 Motor speed Present motor speed 1r min 07 Running time One continuous running time 1H b 08 Input output terminal state Input output terminal state 09 Analog input VI Analog input VI value 0 01V i 60 Shenzhen Gozuk Co Limited www gozuk com b 10 Analog input Analog input CI value 0 01V b 11 External pulse input External pulse width input value Ims b 12 VFD rated current VFD rated current 0 1A b 13 rated voltage rated voltage 1V i Water supply control when the set b 14 Set pressure T 0 001Mpa
6. P3 02 Parameter copy Range 0 1 2 0 0 inaction 1 Parameter upload upload function code parameter to remote control 2 Parameters download download function code parameter from remote control Note This feature is only available for the remote control Parameters are automatically restored to 0 after executing upload or download Auto energy saving P3 03 running Range 0 1 0 0 inaction 1 action When motor is running with light load or no load the VFD will detect the load current and adjust output voltage appropriately so as to save energy This function is mainly used in application with stable load and running speed P3 04 AVR function Range 0 1 2 0 This is auto voltage regulation function When VFD input voltage is fluctuating use this function to keep VFD output voltage stable When VFD is decelerating to stop if AVR function is invalid the Dec Time is going to be shorter but with a higher running current If AVR is effective the motor will be decelerated stably with lower running current but the Dec Time becomes longer 0 inaction 1 always action 2 inaction only in deceleration 475 Shenzhen Gozuk Co Limited www gozuk com Slip freq compensation This function can regulate the output frequency appropriately according to the load P3 05 Range 0 150 0 which can dynamically compensate the sl
7. Fig 4 6 Control panel programming state 39 Shenzhen Gozuk Co Limited www gozuk com 4 2 5 Control Panel Operation Through the operating panel of VFD for various operations for example as follows A Switching display of state monitoring parameter Press gt gt key to display b group state monitoring parameter It first displays the order of monitoring parameter after 1 second it switches automatically to display the value of this monitoring parameter shown as Fig 4 7 LED Em pue Spe Display Output freq Set freq Output voltage Output current operation 1 SEC 1 SEC Parameter Parameter b 04 Module temperature Busbar voltage Bee e tGR Fig 4 7 Operation to display monitoring parameter 2 When viewing monitoring parameter press key for switching to default monitoring parameter display state Default monitoring parameter is setting frequency in stopping state and default monitoring parameter in running state is output frequency 40 Shenzhen Gozuk Co Limited www gozuk com Function code parameter setting For example to set parameter code P3 06 from 5 00Hz to 8 50Hz E B Displa play MENU A ENTER EB ENTER Select parameter bit lop Enter programming Select function Enter second menu Select function Enter third menu state first menu code group P3 code P3 06 jarameter
8. is damaged caused by user not complying with instructions is damaged caused by fire flood and abnormal voltage is damaged caused by wrong wiring e VFD is damaged when it is used in the abnormal applications 4 Service charge will be calculated with reference to actual cost but if included in the contract then according to the contract 127 Shenzhen Gozuk Co Limited www gozuk com Chapter 9 Serial port RS485 communication protocol 9 1 Communication overview GK3000 series VFDs provide users with a common industrial control RS485 communication interface in which The MODBUS standard protocol is used for communication The VFDs can be used as slave connected to the host such as PLC controller PC both of which have the same communication interface and protocol for the purpose of centralized monitoring of the VFDs Or one VFD can be used as host and other VFDs as slaves all connected with RS485 communication interface to achieve multi machine interaction of the VFDs And with this communication interface a Keyboard can also be connected to VFDs for remote operation The MODBUS communication protocol of the VFD supports two transmitting ways mode and ASCII and either can be chose The following is a detailed description of the communication protocol of the VFD 9 2 Communication protocol specification 9 2 1 Communications networking methods 1 Networking methods with VFD a
9. Lower limit treg Upper 0 limit freq These setting frequency can be used in multi stage speed running mode and PLC simple running mode please refer to P 00 P4 05 and P8 group P3 33 Jump freq 1 Range 0 00 500 00Hz 0 00Hz P3 34 Jump freq 1 range Range 0 00 30 00Hz 0 00Hz P3 35 Jump freq 2 Range 0 00 500 00Hz 0 00Hz P3 36 Jump freq 2 range Range 0 00 30 00Hz 0 00Hz This function is used for the VFD to avoid the resonance frequency of mechanical load The VFD setting frequency is able to do jump running near some frequency point shown as Fig 6 14 It can set 3 jump ranges at most Jump freq 2 pees Jump freq 1 A Set freq after adjustmen NP E Jump freq 2 range Jump freq 1 range Setting freq Fig 6 15 Jump frequency and range P3 37 Reserved Range 0000 9999 0000 D k p3 3g brake current Range 0 0 15 0 0 0 at 0 freq DC brake at 0 freq means VFD output DC voltage to brake motor while freq is 0 Users can adjust P3 38 to get larger braking force but the current will be larger 80 Shenzhen Gozuk Co Limited www gozuk com 39 Set running Range 0 65 535Kh 0 000K time p3 49 Ptal running Range 0 65 535Kh time As total running time reaches set running time the VFD will output index signal refer to P4 08 P4 09 P3 40 function code defines the total runni
10. R 0 00 limit P4 15 FDT1 freq level p upper mit 10 00Hz P4 16 FDT1 lag Range 0 00 50 00Hz 1 00Hz P4 13 P4 14 are the complement Out freg to function 2 listed in Table 6 6 FDTI lag P4 15 P4 16 are the complement to function 3 listed in Table 6 6 time Both are same in usage For example when output frequency exceeds a certain set frequency FDT1 it outputs time index signal until output frequency decreasing to a certain frequency Fig 6 27 freq level detection lower than FDT1 FDT1 FDT1 lag shown as Fig 6 28 P4 17 Analog output AO1 selection Range 0 7 0 P4 18 Analog output AO1 gain Range 0 50 2 00 1 00 P4 19 Analog output AO2 selection Range 0 7 0 P4 20 Analog output AO2 gain Range 0 50 2 00 1 00 94 Shenzhen Gozuk Co Limited www gozuk com Table 6 7 Output terminal indication content function Indication range 0 Output freq 0 limit freq 1 Output current 0 2xrated current 2 Output voltage 0 1 2xmotor rated voltage 3 Bus bar voltage 0 800V 4 PID given 0 10V 3 PID feedback 0 10V 6 VI 0 10V 7 CI 0 10V 4 20mA Ten s function description content 0 0 10V Output voltage 0 10V Output current 0 20mA 1 1 0 20mA tol Output current 4 20mA AOI 2 4 20mA jumper to 1 As to AO analog output if user wants to change measuring range or adjust meter tolerance it can be
11. 3 reserved 4 Overload pre alarm signal OL As VFD output current exceeds P5 02 defined overload detected level and the time is longer than P5 03 defined overload detected 91 Shenzhen Gozuk Co Limited www gozuk com time It outputs index signal 5 Under voltage locking LU In the running state when DC busbar voltage is lower than limited level the VFD will display E 11 and outputs index signal 6 External fault stopping EXT When external fault alarm occurs E 13 it outputs index signal 7 Output freq upper limit FH When set freq upper limit freq and running frequency reaches upper limit freq it outputs index signal 8 Output freq lower limit FL When setting freq lower limit freq and running frequency reaches lower limit frequency it outputs index signal 9 VFD in zero speed running When the VFD outputs 0 frequency but still in running state it outputs index signal 10 Simple PLC stage running finish When present simple PLC stage finishes it outputs index signal single pulse signal width is 500ms 11 A PLC running cycle finish When a simple PLC running cycle finishes it outputs index signal single pulse signal width is 500ms 12 Set counts arrival 13 Specified counts arrival refer to P4 21 P4 22 14 VFD ready for running RDY When this signal outputs it means the VFD busbar voltage is normal and the VFD running prohibited terminal is invalid that VFD can s
12. Shenzhen Gozuk Co Limited www gozuk com I External FWD JOG control input External REV JOG control input tA Acc Dec time terminal 1 6 7 Acc Dec time terminal 2 8 Acc Dec time terminal 3 9 3 wire control 10 Free stop input FRS 11 External stop command 12 Stopping DC brake input command DB 13 VFD running prohibited 14 Freq increase command UP 15 Freq decrease command DOWN 16 Acc Dec prohibited command 17 External reset input clear fault 18 Peripheral equipment fault input normally open 19 Freq control channel selection 1 20 Freq control channel selection 2 21 Freq control channel selection 3 22 Command switched to terminal 23 Running command control mode selection 1 24 Running command control mode selection 2 25 Swing frequency selection 26 Swing frequency running reset 27 Close loop invalid 28 Simple PLC pause running command 29 PLC invalid 30 PLC Reset in stopping state 31 Freq switch to CI 32 Counter trig signal input 33 Counter clear input 34 External interrupt input 35 Pulse Freq input only valid for X6 nput terminal X2 4 01 A Ditto x unction selection nput terminal X3 4 02 Ditto x unction selection nput terminal X4 4 03 zo Ditto x unction selection nput terminal 5 4 04 Ditto x function selection nput terminal X6 4 05 Ditto x unction selection
13. 24 Shenzhen Gozuk Co Limited www gozuk com Analog voltage input Input voltage range 0 10V VI Analog input VI Grounding GND input resistance 47KQ i Resolution 1 1000 a Analog voltage current input Input voltage range 0 10V Choose voltage current input by input resistance 47KQ 2 Analog input CI Setting jumper Input current range 0 20mA E Factory default voltage input input resistance 500Q Grounding GND Resolution 1 1000 Analog voltage current output indicating 7quantities choose voltage Current output range AOI ae or current output by setting JP2 jumper 4 20mA s Factory default voltage output Voltage output range 0 10V E Grounding GND oN Analog output Analog voltage output indicatin E ncs AO2 GND s Voltage 0210Y Running FWD Forward running control Refer to chapter 6 5 P4 08 terminal REV Reverse running XI Multifunctional input terminal 1 X2 Mu func tional Opto isolated input E input terminal 2 Input resistance 2KQ 3 xa Multifunctional be defined as multifunctional Max input frequency 200Hz input terminal 3 input terminal by programming Input voltage range 9 30V 5 x4 Multifunctional refer to Chapter 6 5 P4 input terminal 4 Common port COM E X5 Multifunctional E input terminal 5 Z Multifunctiona
14. GK3000 User Manual Capacity 0 4 400kW GK3000 series Variable Frequency Drive VFD adopts speed sensorless vector control technology to offer excellent control performance enhances operation reliability and environment adaptability Before using GK3000 VFD please follow the instruction of this user manual Shenzhen Gozuk Co Limited Motor Control amp Drives Manufacturer Website www gozuk com Shenzhen Gozuk Co Limited www gozuk com Contents Chapter 1 Introduction 1 1 Unpacking Inspection 4 1 2 Safety Rules 4 1 3 Notes on Usage 7 1 4 Notes Regarding Disposal 9 Chapter 2 Models and Specifications 2 1 Models 10 2 2 Specifications 11 2 3 Parts of 14 2 4 Dimensions 14 2 5 Optional Parts 16 Chapter 3 Installation and Wire Connection 3 1 Installation 18 3
15. In simple PLC running state as this function is effective the PLC running will pause and the VFD will run at 0 frequency As this function is invalid the VFD will automatically execute running speed tracking start and continue PLC running refer to P8 Group 29 PLC invalid In PLC running state this function can invalidate the PLC running and the VFD will switch to lower priority running mode 30 PLC reset in stopping state In the stopping state of PLC running mode as this terminal is effective the VFD will clear the data recorded in stopping state such as PLC running stage running time and running frequency etc refer to P8 Group 31 Freq switched to CI When this function is effective the frequency control channel will be switched to CI given 32 Counter trigger signal input There is a built in counter in VFD the max input pulse frequency to pulse input port is 200Hz It can store memory the present counted data when power failure refer to P4 21 P4 22 33 Counter clear input Clear the built in counter to 0 34 External interrupt input In the running state when VFD receives external interrupt signal it will stop output and run at zero frequency After the interrupt signal is canceled the VFD will execute automatically the running speed tracking start mode and continue to run again 35 Pulse freq input Only valid for X4 terminal This terminal receives pulse signal as frequency given command refer
16. 0 30 Content of address 2104H Q 30H 0 30 D 44H D 44H LRC CHECK LRC CHECK 7 37H 7 37H CR ODH CR ODH END END LF OAH LF OAH RTU mode Asking for information string format Answering information string format Address 01H address 01H Function code 03H Function code 03H 21H Information number 02H content 00H 04H content 00H CRC CHECK Low E8H CRC CHECK Low CRC CHECK High 4BH CRC CHECK High 37H Function code 06H Write to register For example writing function code 02 50 OOHZ to address 01H ASCII mode Asking for information string format Answering information string format Header Header 3AH Address 0 30H Address 0 30H 132 Shenzhen Gozuk Co Limited www gozuk com 1 31 1 31 0 30 0 30 Function code Function code 6 36H 6 36H 0 30H Q 30H 0 30H Q 30H content 0 30H Q 30H 2 32H 2 32H content 1 31H 1 31H 3 33H 3 33 Data of address 2104H 8 38H 8 38H 8 38H 8 38H 5 35H 5 35H LRC CHECK LRC CHECK C 43H C 43H CR ODH CR ODH END END LF OAH LF OAH RTU mode Asking for
17. 0 JOG running mode 1 REV running mode 6 5 Terminal Control Function Parameter P4 Group I inal X1 Range 0 30 0 function selection I inal X2 P4 01 um Range 0 30 0 function selection I inal X P4 02 termina Range 0 30 0 function selection I inal X4 paos Range 0 30 0 function selection I inal X5 P4 04 termina d Range 0 30 0 function selection I inal X P4 05 terminan 0 Range 0 30 0 function selection inal X7 Paton bee ee Range 0 30 0 function selection I inal X P4 07 aut Range 0 30 0 function selection The multifunctional input terminal X1 X8 provide various function It can set the value of P4 00 P4 07 to define the function of terminal X1 X8 shown as Table 6 1 Terminal X7 FWD terminal X8 REV terminal Table 6 1 Multifunctional input selection content function content function 0 Idle terminal 19 Freq control channel selection 1 1 Multi stage speed terminal 1 20 Freq control channel selection 2 2 Multi stage speed terminal 2 21 Freq control channel selection 3 3 Multi stage speed terminal 3 22 Command switched to terminal 4 External FWD JOG control input 23 Running command control mode selection 1 82 Shenzhen Gozuk Co Limited www gozuk com 5 External REV JOG control input 24 Running command control mode selection 2
18. 4 06 nput terminal X7 Ditto 51 Shenzhen Gozuk Co Limited www gozuk com function selection Input terminal X8 P4 07 Ditto 1 0 function selection 0 2 wire control mode 1 FWD REV running 1 2 wire control mode 2 P4 08 1 0 x mode selection 2 3 wire control mode 1 3 3 wire control mode 2 P4 09 UP DN Rate 0 01 99 99Hz s 0 01 1 00Hz s o 0 VFD in running RUN 1 Freq arrival signal FAR 2 Freq level detected signal FDT1 3 Reserved 4 Overload pre alarm signal OL 5 Under voltage locking LU 6 External fault stopping EXT 7 Output Freq upper limit FH 8 Output Freq lower limit FL 9 VFD in zero speed running 2 way open collector 10 Simple PLC stage running finish P4 10 output terminal 11 A PLC running cycle finish 1 0 x output selection 12 Set counts arrival 13 Specified counts arrival 14 VFD ready for running RDY 15 VFD fault 16 Start Freq running time 17 DC brake time when start 18 DC brake time when stop 19 Swing Freq upper lower limit 20 Set running time arrival 21 Upper limit of pressure alarm signal 22 Lower pressure alarm signal 2 way open collector 4 11 output terminal OC2 Ditto 1 0 x output selection Relay TA TB TC 4 12 Ditto 1 15 x output selection Relay RA RB RC 4 13 Ditto 1 0 output selection 4 14 Freq arrival detection range 0 00 400 00Hz 0 01Hz 5 00Hz 4 15 Freq lev
19. Apply to Main circuit terminal name L1 L2 20V 1 phase Input terminals U B80V 3 phase Output terminals 220V 1 phase 4KW 2 2KW E Wiring terminals IR S T 380V 3 phase Input terminals U V W 80V 3 phase Output terminals 380V 3 phase 0 75KW 2 2KW P PB Braking resistor wiring terminals IR S T 380V 3 phase Input terminals 380V 3 phase U V W 80 3 phase Output terminals 2 2KW 5 5KW 7H _ _ _ P PB Braking resistor wiring terminals IR S 380V 3 phase Input terminals U V W 380V 3 phase Output terminals 380V 3 phase 7 5SKW 15KW P PB Braking resistor wiring terminals IR S T 380V 3 phase Input terminals U V W 380V 3 phase Output terminals 380V 3 phase 18 5KW 450KW IP P Braking resistor wiring terminals 2S2 Shenzhen Gozuk Co Limited www gozuk com 3 5 Basic Wiring Diagram MCCB Three phase K 3 O Motor O 111 0 Grounding ee I 1 TN Braking resistor O 1 1 I LI O yo Fault relav output L Q Tc 1 I a DC current meter e vs H feral GND i High speed pulse output 0 10V e pene d Q Standard RS485 communication Fig 3 5 Basic wiring diagram 22 Shenzhen Gozuk Co Limited www gozuk com 3 6 Control Circuit Terminal Wiring 3 6 1 Position an
20. Press gt gt ef to check fault related parameter When checking fault related parameter press ea Key for switching to fault code display 38 Shenzhen Gozuk Co Limited www gozuk com i Press key to enter programming state to check P6 group parameter of fault information STOP RESET the VFD or via control terminal serial port After troubleshooting press key to reset If the fault still exists it will keep displaying the fault code Note To some serious faults such as IGBT protection over current over voltage etc Don t reset the VFD before clearing the fault for sure otherwise there is a danger of damage D Function code programming state Fig 4 5 Fault alarm display state In the state of stopping running and fault alarm press key to enter programming state A password is required If it has been set Please refer to PO 00 description and Fig 4 10 The programming state includes three display menus shown as Fig 4 6 which in order is function code group gt function code number function code parameter Press DEIN key to enter each menus When in function code parameter display ENTER MENU menu press para to save parameter press gsc key to go back to previous menu without parameter saving Second menu Third menu ENTER DATA ENTER DATA pnt DLE MEN ESC Stopping state running State fault alarm state
21. REV running when there is no motor driven But not suitable to big inertia loads 3 Start running mode 2 It is suitable to restart after momentary power failure and restart during motor free stopping P2 01 Start freq Range 0 20 10 00Hz 0 50 Hz freq i p2 92 Start freq running ange 0 0 30 05 0 05 duration Start freq is the initial frequency when VFD starts shown as Fig 6 10 Fs Start freq running duration is the duration time for VFD keeping running at start frequency shown as Fig 6 10 Notes Start frequency is not restricted by lower limit freq 2 03 DC brake current as start Range 0 15 0 P2 04 DC brake time as start Range 0 0 60 0S 0 0S DC brake current is a percentage relative to the VFD rated current There is no DC brake as DC brake time is 0 0s Shenzhen Gozuk Co Limited www gozuk com Output freq Output freq Start freq of DC brake as stop m m time n Output DC brake voltage DC brake current as stop Output current voltage time brake fe gate time i DC brake time as stop Running Running command command Fig 6 11 start mode 1 fig 6 12 DC stop and DC brake P2 05 Stop mode Range 0 1 2 0 0 After receiving stop command the VFD decreases the output frequency to 0 in set Dec time 1 After receiving stop command the VFD stops output immediately and the load
22. Shenzhen Gozuk Co Limited www gozuk com order to prevent the electromagnetic switch delay and the VFD and the output end of the power supply circuit PID control of positive and negative role and 252 feedback pressure error Range 0051 oo polarity Feedback error of Ranae P7 33 pressure adjustment 0 000Mpa 0 001 20 00Mpa value Unit 0 PID control function 1 PID control reaction Ten 0 Feedback pressure less than the actual pressure 1 Feedback pressure is greater than the actual pressure As the PID is stable found the set pressure and actual pipeline pressure deviation can be adjusted by P7 32 and P7 33 to eliminate the error when the actual pipeline pressure is greater than set pressure P7 3 ten bit set to 1 and the P7 33 actual pressure setting pressure when the actual pipeline pressure is greater than set pressure P7 33 ten bit set to 0 and the P7 33 set pressure the actual pressure 1 1 f P7 34 CIS Range 0 limit frequency 0 00Hz frequency 1 1 f paso loop of preset Range 0 0 100 05 0 05 frequency holding time The function code can make the closed loop regulation quickly into the stable stage Closed loop operation after starting acceleration time frequency according to the preset frequency speed closed loop P7 34 and in the frequency of continuous operation for a period of time after P7 35 only in accordance with the close
23. VFD frequency setting of the parameters P7 05 P7 08 determined entirely by as shown in figure 6 35 When the P7 13 parameter is set to 1 the inflection point validly this time set frequency as shown in figure 6 36 109 Shenzhen Gozuk Co Limited www gozuk com P7 09 21 2V minimum input Range 0 00 1 00 0 10 P7 10 21 2V minimun input Range 0 00 Upper 0 00Hz corresponding to a frequency limit frequency P7 11 21 2V maximum input Range 0 00 1 00 1 00 P7 12 2y2v Tnm input 0 00 Upper 50 00Hz corresponding to a frequency limit frequency When the P7 13 parameter is set to 0 which is set to the inflection point is invalid VFD frequency setting of the parameters P7 09 P7 12 determined entirely by as shown in figure 6 37 When the P7 13 parameter is set to 1 the inflection point Validly The frequency setting as shown in figure 6 38 Set frequency Set frequency P7 12 P7 12 P7 21 P7 19 Input P7 10 quantity Input quantity P7 09 PH P7 09 P718 P720 F7 Fig 6 37 Inflection point invalid when Fig 6 38 Inflection point valid when the the frequency setting of the 2 frequency setting of the 2 P7 13 Inflection point set Range 0 1 0 0 Inflection point invalid 1 Inflection point Valid P7 14 1I 1V intermediate point current Range P7 05 P7 16 0 10 voltage 1 1I 1V intermediate point current P7 15 voltage 1 corresponding
24. tighten them with terminals and main circuit The screws are loose or not screw driver terminals Heat sink Whether there is dust Clean thoroughly the dust Printed circuit board Whether there is dust Clean thoroughly the dust Whether there is abnormal Cooling fans Replace cooling fans vibration or abnormal noise Power element Whether there is dust Clean thoroughly the dust Whether there is discoloring Replace electrolytic Electrolytic capacitor peculiar smell capacitor 126 Shenzhen Gozuk Co Limited www gozuk com 8 2 2 Termly maintaining In order to let VFD work well for a long term user must maintain the VFD termly The replace time of element of VFD is shown in Table 8 2 Table 8 2 VFD parts replacement time Device name Standard replacement time Cooling fans 2 3 years Electrolytic capacitors 4 5 years Printed circuit board 5 8 years Fuse 10 years The working condition of the VFD as following 1 Environment temperature average 30C 2 Load coefficient under 80 3 Running time under 12 hour every day 8 3 Warranty of VFD Our company supply warranty in the following condition 1 Only VFD noumenon in the warranty range 2 In the normal using VFD damaged in 15 months Over 15 month our company will charge for the repair service 3 In the following condition in 15 month our company also will charge for the repair service
25. 07 17 3 Cut off power Attention 1 Reset the VFD after throughly investigating the cause of fault and clearing otherwise the VFD may be damaged 2 If it can t be reset or fault occurs again after reset please check the cause of fault continuous reset may damage VFD 3 Reset the after waiting for 5mins when overload or overheat protection occurs 125 Shenzhen Gozuk Co Limited www gozuk com Chapter 8 Preservation and Maintenance 8 1 Preservation and Maintenance Potential hazards exist due to aging wear and tear of VFD internal components as well as environmental influences to the VFD such as temperature humidity particles etc Therefore daily inspection periodic preservation and maintenance must be performed to the VFD and its driving mechanism during their storage and operation 8 1 1 Daily Maintenance The following must be verified before starting up 1 No abnormal vibration and no abnormal noise 2 No abnormal heat 3 No abnormal ambient temperature 4 The ammeter satisfy the specification 5 Fan is working in good condition 8 2 Periodic Preservation and Maintenance 8 2 1 Periodic Maintenance Cut off the power when VFD is maintained termly check after the main circuit power indicator light is off The checking content is shown in Table 8 1 Table 8 1 Periodic inspections Checking item Checking content Troubleshooting Screws of control 4 If loose
26. 34 MEE d Range 0 Upper limit freq 0 00Hz 0 00Hz x frequency Closed loop of preset Pas vetere peces Range 0 0 200 0s 0 18 0 0 x frequency holding time P8Group PLC running parameter Func Factory Name Range Min Unit Change Code default 0000 1113 LED unit s place mode selection 0 Inaction 1 Stop after single cycle 2 Running at final freq after single cycle 3 Continuous cycle LED ten s place restart mode selection 0 Restart from the first stage PLC running mode ai P8 00 1 Restart from the Freq of break stage 1 0000 x selection 2 Restart from the running of break stage LED hundred s place parameter save mode selection 0 No save 1 Save LED thousand s place running time unit 0 Second 1 minute 000 621 LED unit s place freq setting 0 Multi stage freq i 1 1 7 P8 01 Stage 1 setting 1 000 o 1 Freq defined by P0 01 function code LED ten s place direction selection 0 Forward 257 Shenzhen Gozuk Co Limited www gozuk com 1 Reverse 2 Controlled by running command LED hundred s place Acc Dec time selection 0 Acc Dec time 1 1 Acc Dec time 2 2 Acc Dec time 3 3 Acc Dec time 4 4 Acc Dec time 5 5 Acc Dec time 6 6 Acc Dec time 7 P8 02 Stage 1 running time 0 1 6000 0 0 1 0 0 P8 03 Stage 2 setting 000 62 1 000 8 04 Stage 2 running time 0 1 6000 0 0 1 0 0 8 05 Stage 3
27. 6 Acc Dec time terminal 1 25 Swing freq start mode selection 7 Acc Dec time terminal 2 26 Swing freq running reset 8 Acc Dec time terminal 3 27 Close loop invalid 9 3 wire control 28 Simple PLC running pause command 10 Free stop input FRS 29 PLC invalid 11 External stop command 30 PLC reset in stopping state 12 Stopping DE brake input 31 Freq switched to CI command DB 13 VFD running prohibited 32 Counter trigger signal input 14 Freq increase command UP 33 Counter clear input 15 Freq decrease command 34 External interrupt input 16 Acc Dec prohibited command 35 Pulse freq input only valid for X6 17 External reset input clear fault 36 is Peripheral equipment fault input m normally open Description of function listed in Table 6 1 1 3 Multi stage speed control terminal It can set 7 stage speed running frequency at most by selecting ON OFF combination of these 3 control terminals and selecting Acc Dec time at the same time shown as Table 6 2 Table 6 2 Multi stage speed running selection K2 K Freq setting Acc Dec time OFF OFF OFF Normal running freq Acc Dec time 1 OFF OFF ON Multi stage freq 1 Acc Dec time 1 OFF ON OFF Multi stage freq 2 Acc Dec time 2 OFF ON ON Multi stage freq 3 Acc Dec time 3 83 Shenzhen Gozuk Co Limited www gozuk com ON OFF OFF Multi stage freq 4 Acc Dec time 4 ON OFF ON Multi stage freq 5 Acc Dec time 5 ON ON OFF
28. Check input power supply E 04 Aoc Acc time is too short Adjust Acc time overvoltage Restart the motor in running Setup start mode as speed tracking restart Dec Dec time is too short Adjust the Dec time pus overvoltage Potential load or load inertia is too big Add suitable braking device 122 Shenzhen Gozuk Co Limited www gozuk com es Type of faults Possible fault reasons Troubleshooting Input voltage abnormal Check input power supply Overvoltage at m z 06 speed Acc Dec time is too short Adjust the Acc or Dec time running Abnormal change of input voltage Mount input reactor Load inertia is too big Add suitable braking device Overvoltage of Input voltage abnormal Check input power supply E 07 control power supply Air duct obstruction Clean air duct Environment temperature is too Improve the ventilation or decrease the E 08 VFD overheat high carrier frequency Fan damaged Replace a new fan VFD module abnormal Contact supplier Acc time is too short Adjust Acc time DC braking value is too high Decrease DC braking current and increase braking time eon ee Ed V F curve setup is not suitable Adjust V F curve Restart the motor in running Setup start mode as speed tracking restart Mains voltage is too low Check mains voltage Too heavy load Select VFD with proper capacity V F curve setup is not suitable Adjust
29. Negative characteristic 0 The parameters used to define the feedback signal and the preset relationship between signals 0 Positive characteristic Said feedback signal corresponding to maximum capacity maximum 1 Negative characteristic Said feedback signal corresponding to maximum quantity minimum P7 07 Feedback channel gain Range 0 01 10 00 0 As the feedback channel and the channel signal level is not consistent with the parameters of the feedback channel signal gain adjustment P7 08 Lower pressure limit Range 0 001 P7 09 0 001 P7 09 Upper pressure limit Range P7 08 P7 27 1 000 This parameter is used to set upper and lower limit pressure when the set pressure is greater than the P7 09 value the maximum set pressure value for P7 09 when the set pressure is less than the value of P7 08 set the minimum pressure for the P7 08 102 Shenzhen Gozuk Co Limited www gozuk com value P7 10 PID controller structure Range 0 1 2 3 1 This parameter is used to select the built in PID controller structure 0 Proportional control 1 Integral control 2 Proportion integral control 3 Proportion integral differential control P7 11 Proportional gain KP Range 0 00 5 00 0 50 P7 12 Integral time constant Range 0 1 100 0 10 0 P7 13 Differential gain Range 0 0 5 0 0 0 Built i
30. Range 1 0K 14 0K 8 0K The carrier freq mainly affects the noise of motor and heat loss The relationship between carrier freq and motor noise leakage current and interference shown as follow Carrier Freq Decrease Increase Noise 1 l Leakage Current l 1 Interference 1 Note 1 In order to get better control characteristic the ratio of carrier frequency to VFD highest running frequency is suggested beyond 36 2 Error occurs in current value display when carrier freq is lower Acc D Posse Range 0 1 0 selection 0 Linear Acc Dec Output frequency increases or decreases as constant slope shown as Fig 6 4 1 S curve Acc Dec Output frequency increases or decreases as s curve shown as Fig 6 5 65 Shenzhen Gozuk Co Limited www gozuk com Freq Upper limit Freq pp Pay Upper limit i time iine E RES Seer t t2 l t pod t2 Fig 6 4 Linear Acc Dec Fig 6 5 S curve Acc Dec Time of s curve Range 10 0 50 0 Acc Dec P0 14 20 0 i start stage P0 14 P0 15 90 ido Time of s curve Range 10 0 80 0 Acc Dec P0 15 0 0 ascent stage P0 14 P0 15 90 P0 14 P0 15 is effective only in s curve Acc Dec mode P0 13 1 S curve start stage time shown as Fig 6 5 3 The curve slope is increasing from 0 S curve ascent stage time shown as Fig 6 5 2 The curve slope keeps constant S curve end stage t
31. Range P7 06 P7 17 0 00Hz frequency P7 16 1I 1V intermediate point current Range P7 14 P7 07 0 10 voltage 2 P7 17 1V1V intermediate point current Range P7 15 P7 08 0 00Hz 110 Shenzhen Gozuk Co Limited www gozuk com voltage 2 corresponding frequency 21 2V intermediate point current frequency P7 18 TA Range P7 09 P7 20 0 10 21 2V intermediate point current P7 19 voltage 1 corresponding Range P7 10 P7 21 0 00Hz frequency P7 20 21 2V intermediate point current Range P7 18 P7 11 0 10 voltage 2 21 2V intermediate point current P7 21 voltage 2 corresponding Range P7 19 P7 12 0 00Hz 1I 1V and 21 2 two channels each inflection point definition refers to Fig 6 36 and Fig 6 38 P7 22 Injection molding machine channel analog filter time constant Range 0 01 30 00s 0 20s Injection molding machine pressure flow channels 11 1 V and 2I 2V external analog channel frequency setting converter internal to the sampling value filter time constant When the terminal is longer or serious interference leading to set frequency instability of the time can be increased through the filter time constant improvement Filtering time anti interference ability is stronger but the response to slow filtering time is short and fast response but the anti interference ability is weak 111 Shenzhen Gozuk Co Limited www gozuk
32. Suppression Methods Table2 5 Noise suppression method Path Noise suppression methods If a closed loop if formed between the peripheral equipment and the VFD wiring the grounding leakage of the VFD will misoperate the equipment Solution Remove the grounding of the peripheral equipment When peripheral equipment share the same power source with the VFD the noise transmitted through the power line may misoperate the peripheral equipment Solution Mount a noise filter at VFD input side or isolate the peripheral equipment with an isolated transformer or power filter O00 Electronic equipment such as computers measuring meters sensors and radio equipment when in the same cabinet with VFD with their wiring close to the VFD may misoperate due to radio interference Solution 1 The susceptible equipment and its signal lines should be kept away from the VFD Use shielded cable for the signal line Ground the shielding coat Protect the signal cable with a metal pipe and keep it off the VFD input output cable When crossing of the signal line and the VFD input output cables is inevitable make sure it s orthogonal 2 Mount radio noise filter or linear noise filter choke coil to the input output side of the to suppress the radio noise 3 The shielding coat for the cable connecting and the motor should be thick The wiring can be arranged through thick pipe 2mm or thicker or cement trench The cable should
33. achieved by regulating the output gain DO output terminal function selection Please refer to Table 6 7 P4 21 Range 0 7 0 P4 22 DO max pulse output freq Range 0 1 20 0 Max 20K 10 0K 4 23 Set counts given Range P4 20 9999 0 P4 24 Specified counts given Range 0 P4 19 0 P4 21 P4 22 are the complement to function 12 13 listed in Table 6 6 Set counts given It refers to when how many pulse signals input from Xi count trigger signal input function terminal OC 2 way open collector output terminal or relay outputs an index signal When Xi inputs the 8th pulse signal OC outputs an index signal that is P4 21 8 shown as Fig 6 27 95 Shenzhen Gozuk Co Limited www gozuk com Specified counts given It refers to when how many pulse signals input from Xi OC or relay outputs an index signal until set counts arrival When Xi inputs the 5th pulse signal relay outputs an index signal until set counts 8 arrival that is P4 22 5 shown as Fig 6 27 When specified counts bigger than set counts specified counts invalid Xi input 1 2 3 4 5 6 7 18 9 output i Relay output Fig 6 28 set counts given and specified counts given Piso prealarm Range 20 200 130 detection level P4 26 Meus preafumdeleso lenses 002005 5 08 If output current exceeds continuously current detection level set by P4 23 the actual detection le
34. analog 0 10V voltage given 2 CI analog given 0 10V voltage given or 4 20mA current given To speed close loop analog given 10V corresponding the rotate speed of max output frequency P7 02 Feedback channelselection Range 0 6 0 0 VI analog 0 10V input voltage 1 CI analog0 10V input voltage 2 VI CI 3 VI CI 101 Shenzhen Gozuk Co Limited www gozuk com 4 Min 5 Max VL CI 6 CI analog 4 20mA input voltage System board jumper to jump to the I side so as to select 4 20mA current feedback input pros C Yen channel filtering time ange 0 01 50 00S 0 50S constant eedback channelitiltering i ange 0 01 50 005 0 50S time constant External to a given and feedback channels are often superimposed on the interference by setting the P7 03 and P7 04 filter time constant on the channel filter filter the longer the anti interference ability is stronger but the response is slow Filter time shorter response more quickly but the anti interference ability is weak Given value digital setting As P7 01 0 P7 05 defined value is used as close loop control system given value that P7 05 Range 0 001 20 000Mpa 0 00Mpa user can change system given value by revising P7 05 when using control panel or serial port to control close loop system Feedback signal 0 Positive characteristic P7 06 characteristics 1
35. com 2 5 4 Braking Resistors GK3000 series VFDs under15KW have built in braking units If energy consuming braking is required Please choose braking resistors according to Table 2 3 The wire connection of braking resistors is shown in Fig 2 2 Ld Resistor Fig 2 2 the wire connection of braking resistors Table 2 3 Braking resistors selection table Model Motor capacity KW Resistance Q Resistance power W GK3000 2S0004G 0 4 200 100 GK3000 2S0007G 0 75 150 200 GK3000 2S0015G 1 5 100 400 GK3000 2S0022G 22 70 500 GK3000 4T0007G 0 75 300 400 GK3000 4T0015G 1 5 300 400 GK3000 4T0022G 2 2 200 500 GK3000 4T0037G 4 0 200 500 GK3000 4T0055G S55 30 1000 GK3000 4T0075G 75 30 1000 247 5 Shenzhen Gozuk Co Limited www gozuk com Chapter 3 Installation and Wire Connection 3 1 Installation 3 1 1 Environment Requirements 1 Please mount inside a well ventilated location The ambient temperature is required to be within the range of 10 40 C If the temperature is higher than 40 C the VFD should be derated at the same time the ventilation and heat dissipation should be enhanced 2 Be away from the location full of dust or metal powder and mount in the location free of direct sunlight 3 Mount in the location free of corrosive gas or combustible gas 4 Humidity should be lower than 90 with no dew condensation 5 Mount in the location where vibration is less than 5 9
36. constant torque long term running is required then a special variable frequency motor is needed Shenzhen Gozuk Co Limited www gozuk com 2 Confirm motor s insulation Before using GK3000 series VFD please confirm the motor is insulated otherwise the equipment may be damaged Please confirm motor s insulation termly when motor is working under bad condition 3 Negative torque load To some application situation such as lifting load negative torque load may occur Braking unit and resistor should be connected with VFD or over current or over voltage fault may happen 4 The mechanical resonance point of load The VFD may encounter the mechanical resonance point of load within certain output frequency range Jump frequencies have to be set to avoid it 5 Capacitor and varistor Because the VFD outputs PWM pulse wave capacitor and varistor should not be connected with the output terminals of the VFD or the VFD may trip or components may be damaged as shown in Fig 1 3 AM Fig 1 3 Capacitor connection with VFD output prohibited 6 Motor derating When basic frequency is set to be lower than rated frequency motor derating is necessary in order to avoid motor overheating 7 Running at frequency above 50Hz If running at frequency above 50Hz besides the increment of vibration and noise the ranges of running speed of motor shaft and mechanical device have to be 8 Shenzhen Gozuk Co Limited www gozuk co
37. freq to VI Range 0 00 upper limit 50 00Hz max given freq P1 06 channel gains Range 0 01 9 99 1 00 69 Shenzhen Gozuk Co Limited www gozuk com P1 07 CI min given Range 0 00 P1 09 0 00V P1 08 Corresponding freq to CI Range 0 00 upper limit 0 00Hz min given freq P1 09 Climax Given Range P1 07 10 00V 10 00V P1 10 Compspenting freq to CI Range 0 00 upper limit 50 00Hz max given freq 1 11 Max input PLUSE freq Range 0 1 20 0K 10 0K P1 12 PLUSE min given Range 0 0 P1 14 0 0K P1 13 freq to Range 0 00 upper limit 0 00Hz pulse min given freq P1 14 Pulse max given Range P1 12 P1 11 10 0K P1 15 freq to Range 0 00 upper limit 50 00Hz pulse max given freq When selects VI CI or pulse frequency input as open loop frequency setting channel the relationship between frequency given and setting frequency as follow Channel Channel Channel gains Frequency selection filtering P1 01 P1 06 curve Frequency P0 01 P1 00 setting setting The relationship between VI and setting frequency as follow Setting freq Setting freq Fmax Amin Amax Amin Amax 1 Positive effect 2 Negative effect A VI given Amin Min Pmin corresponding Freq to Min given Amax Max Pmax corresponding Freq to Max given 70 Shenzhen Gozuk Co Limited www gozuk com The relationship between and setting frequency as f
38. isplay P3 07 08 50 08 00 08 00 ME Key operation Parameter 5 8 Exit Go back to Parameter Select Save parameter revising05 first menu parameter bit and go Fig 4 8 Example of function code parameter setting Note In third menu if the parameter displayed is not in flashing it means that this function code is unable to be revised Probably the reasons are 1 This function code parameter is unmodifiable such as actual detected state parameter record running parameter etc 2 This function code parameter can not be revised in running state It just can be revised in stopping state 3 The parameter is under protection When function code P3 01 unit s place is 1 or 2 all function code parameter can not be revised This is parameter protection to avoid fault operation Set P3 01 unit s place as 0 to make modification available C JOG running operation Following is an example Suppose it is in panel control mode and in stopping state JOG running frequency is 5Hz 41 Shenzhen Gozuk Co Limited www gozuk com x 50 00 Displa Press Release Ke Stopping state Hold operation Displaying Displaying Output freq Output freq setting freq output freq increasing by SHz decreasing to OHz Fig 4 9 JOG running operation D Password authentication operation Suppose P0 00 password parameter has been set as 2345 The authentication operation is shown as Fig 4 10 The bo
39. limit level P5 04 by real time monitoring the load current in order to prevent fault trip caused by overcurrent It is suitable to some applications with bigger inertia or load change in intensity Function code P5 04 defines the current threshold value of auto current limit action the set range is a percentage to VFD rated current Function code P5 05 defines 98 Shenzhen Gozuk Co Limited www gozuk com regulating rate to output frequency during auto current limit action If freq drop rate P5 05 during current limit is too small to get rid of auto current limit state it may finally cause load fault If freq drop rate is too big to intensify frequency regulating range it may cause VFD overvoltage protection Auto current limit function is always valid during Acc Dec state Auto current limit mode selection P5 06 defines whether auto current limit function is valid in constant speed running state P5 06 0 Auto current limit invalid in constant speed running P5 06 1 Auto current limit valid in constant speed running Auto current limit function is not suitable to constant speed running requiring stable output frequency because the output frequency may changes during auto current limit action P5 07 se setting after power Range 0 1 0 failure R PRESE fi PSUS Hmc ate paneer 00 1005 0 55 power failure P5 07 0 Restart after momentary power failure inaction P5 07 1 Restart after momen
40. parameter initial set freq to change set freq 4 Serial port digital setting Remote control mode Set 0 02 parameter initial set freq via serial port 5 VI analog given VI GND Set freq controlled by VI terminal analog input voltage The voltage range is DC 0 10V The corresponding relationship between set freq and VI input voltage defined by function code P1 00 P1 05 6 CI analog given CI GND Set freq controlled by CI terminal analog input voltage current The input voltage range is DC 0 10V JP3 jumper V and the current range is DC 4 20mA JP3 jumper A The corresponding relationship between set freq and CI input defined by function code P 1 06 P1 10 7 Pulse terminal given Set freq controlled by terminal pulse The pulse signal only can be input through X4 terminal The corresponding relationship between set freq and input pulse defined by function code P1 11 P1 15 8 Combination given refer to function parameter P3 00 Initial digital set Range Lower limit freq P0 02 00 freq Upper limit freq 50 00Hz 62 Shenzhen Gozuk Co Limited www gozuk com In freq digital setting 0 01 1 2 3 4 P0 02 parameter defines the initial digital set frequency Running command mode selection 0 Use control panel key RUN STOP RESET JOG to operate the VFD P0 03 Range 0 1 2 0 1 Terminal control mode Use control terminal FWD REV X1 X6 etc to
41. pressure of the pipeline Water supply control feedback pipeline b 15 Feedback pressure 0 001Mpa pressure b 16 No unit display No unit display 1 5 4 Terminal Monitoring State Note Monitoring parameter input output terminal state displayed as follow Note X5 input terminal state X6 input terminal state FWD input terminal state REV input terminal state The lower half displays the output terminal state output terminal state OC2 output terminal state Relay T output terminal state Relay R output terminal state J Means invalidity LED OFF L 61 input terminal state input terminal state Means validity LED ON X3 input terminal state ILI 2 input terminal state input terminal state The upper half displays the Shenzhen Gozuk Co Limited www gozuk com Chapter 6 Function Code Description 6 1 Basic running function parameter 0 Group 10 004 one eC Of 1 selection 0 V F Control 1 Sensorless vector control Freq control P0 01 00 channel selection Range 1 8 0 0 Analog potentiometer given on control panel 1 Control panel A key given Use A key to set running frequency 2 Control panel frequency digital setting Use control panel to amend P0 02 parameter initial set freq to change set freq 3 Terminal UP DOWN digital setting Use terminal UP DOWN to amend P0 02
42. running 1 Power on the fan operation z 9 10 Pner amp y consumption Range 0 100 0 50 0 braking unit use rate This parameter is used to set the energy consumption braking unit of the switch when the bus voltage in excess of P9 13 energy consumption braking busbar voltage when starting braking unit will be according to the percentage of P9 10 open the brake unit a higher percentage braking effect is more obvious at the same time braking current is bigger to the appropriate adjustment of P9 10 parameters and selection of braking resistor Energy consumption braking busbar voltage This parameter is used to set the energy consumption braking start bus voltage three phase 380V VFD power brake boot bus voltage to 660V single phase 220V VED power brake boot bus voltage to 358V P9 13 Range 0 780V 660V P9 13 G P type set Range 0 1 0 0 Set to G model is applied to constant torque load 1 Set to P model suitable for fan and pump P9 14 User password Range 0000 9999 0000 This function is used for prohibiting non authorized personnel to view and amend the function parameter When P9 14 0000 this function is invalid When this function is needed please enter 4 digits as password then after press ENTER DATA key to confirm it the password will be Valid immediately Amend password press MENUJ ESC key to enter into password verification state after original 4 digits passw
43. setting 000 62 1 000 8 06 Stage 3 running time 0 1 6000 0 0 1 0 0 8 07 Stage 4 setting 000 62 1 000 8 08 Stage 4 running time 0 1 6000 0 0 1 0 0 8 09 Stage 5 setting 000 62 1 000 8 10 Stage 5 running time 0 1 6000 0 0 1 0 0 8 11 Stage 6 setting 000 62 1 000 8 12 Stage 6 running time 0 1 6000 0 0 1 0 0 8 13 Stage 7 setting 000 62 1 000 8 14 Stage 7 running time 0 1 6000 0 0 1 0 0 P9 Group Swing frequency function parameter Func Factory Name Range Min Unit Change Code default 0 Inaction P9 00 Swing Freq selection 1 0 Action 0000 11 LED unit s place start mode 0 Auto start Swing Freq running Manual start by terminal P9 01 1 00 x mode LED ten s place swing amplitude control 0 Variable swing amplitude Fixed swing amplitude P9 02 Preset swing Freq 0 00 500 00Hz 0 01Hz 0 00Hz Preset swing Freq P9 03 ee 0 0 3600 0s 0 15 0 05 waiting time 58 Shenzhen Gozuk Co Limited www gozuk com P9 04 Swing amplitude 0 0 50 0 0 1 0 0 o P9 05 Kick Freq 0 0 50 096 0 196 0 096 o P9 06 Swing Freq cycle 0 1 999 9s 0 15 10 05 9 07 delta wave ascent time 0 0 98 0 0 1 50 0 o 0 VFD operation of fan operation P9 08 Fan control selection 1 0 1 Power on the wind turbine operation P9 09 Reserved 0000 9999 1 0000 o P9 10 Braking un
44. sleep state to enter the working state of the pressure limit As the pipeline pressure is smaller than the set value illustrate the tap water pressure to reduce or increase in the water content frequency conversion water supply system automatically from the dormant state to state P7 20 Sleep pressure level Range P7 19 P7 27 1 000 This parameter defines the system enters a sleep state stress limit value As the pipeline pressure is greater than the set value and the frequency of water supply systems have been adjusted to the sleep frequency operation descriptions of actual water decrease sharply or tap water pressure increases the frequency of water supply system to automatically enter a state of dormancy stop wait wake As the water supply system to reach the awake and sleep condition enter the awakening and sleep latency by the parameter P7 21 and P7 23 to determine P7 21 Sleep level continuous time Range 0 250S 10S The parameter setting in sleep pipe network pressure in sleep pressure level maintained in continuous time P7 22 Sleep frequency Range 0 00 400 0HZ 20 00HZ 104 Shenzhen Gozuk Co Limited www gozuk com The parameter setting in the sleep state before the minimum operating frequency converter P7 23 Sleep frequency continuous time Range 0 250S 10S The parameter setting in sleep sleep VFD in need of continuous running time Sleep level conti
45. speed Note Function invalid at normal Dec stop process 17 External reset input clear fault When there is a fault alarm it can reset the VED by this terminal This function is same as ENTER DATA key in control panel 18 Peripheral equipment fault input normally open The peripheral equipment fault can be input by this terminal for the convenience of VFD to monitor the peripheral equipment The VFD will display E 13 that is peripheral equipment fault alarm after receiving peripheral equipment fault signal 19 21 Freq control channel selection The freq control channel can be switchable by the ON OFF combination of these 3 control terminals shown as Table 6 4 For this function and PO 01 defined function the later set one is prior to previous one Table 6 4 Freq control channel selection logical mode Freq control channel selection Freq control channel selection Freq control channel selection frequency control channel terminal 3 terminal 2 terminal 1 iar OFF OFF OFF Maintaining set Freq OFF OFF ON Function code digital given OFF ON OFF Terminal UP DOWN given 86 Shenzhen Gozuk Co Limited www gozuk com OFF ON ON Serial port given ON OFF OFF VI ON OFF ON CI ON ON OFF PULSE Combination given refer to ON ON ON P3 01 22 Command switched to terminal As this function is effective the running control mode will be switched to te
46. state after power failure including running frequency and running time of break stage LED thousand s place PLC running time unit 0 Second 1 Minute The unit only run on PLC stage time definition Validly PLC operation during deceleration time unit selection is determined by P0 16 Note 1 PLC for a certain period of time is set to 0 the invalid 2 Through the terminal PLC process can be suspended failure operation control refer to group P4 terminal related functional parameter group P8 01 Stage 1 setting Range 000 621 000 P8 02 Stage 1 running time Range 0 1 6000 0 10 0 115 Shenzhen Gozuk Co Limited www gozuk com P8 03 Stage 2 setting Range 000 621 000 P8 04 Stage 2 running time Range 0 1 6000 0 10 0 P8 05 Stage 3 setting Range 000 621 000 P8 06 Stage 3 running time Range 0 1 6000 0 10 0 P8 07 Stage 4 setting Range 000 621 000 P8 08 Stage 4 running time Range 0 1 6000 0 10 0 P8 09 Stage 5 setting Range 000 621 000 P8 10 Stage 5 running time Range 0 1 6000 0 10 0 P8 11 Stage 6 setting Range 000 621 000 P8 12 Stage 6 running time Range 0 1 6000 0 10 0 P8 13 Stage 7 setting Range 000 621 000 P8 14 Stage 7 running time Range 0 1 6000 0 10 0 Function code P8 01 P8 14 are used to define PLC running frequency direction and Acc Dec time by LED unit s ten s hundred
47. time 2 OFF ON OFF Acc time3 Dec time 3 OFF ON ON Acc time4 Dec time 4 ON OFF OFF Acc time5 Dec time 5 ON OFF ON Acc time6 Dec time 6 ON ON OFF Acc time7 Dec time 7 By ON OFF combination of Acc Dec time terminal the Acc Dec time 1 7 can be selected accordingly 9 3 wire control Please refer to P4 08 10 Free stop input FRS This function is same as free stop defined by P2 05 But this is controlled by terminal which is convenient for remote control 11 External stop command This command is effective in all running command 85 Shenzhen Gozuk Co Limited www gozuk com control mode 12 Stopping DC brake input command DB Use control terminal to execute DC brake to the motor during stop process in order to achieve motor emergency stop and accurate positioning Brake start frequency brake current and brake time are defined by P2 06 P2 08 13 VFD running prohibited When this terminal is effective the VFD in running state will go to stop and the VFD in stopping state will be prohibited to start This function is mainly used in application requiring safety linkage 14 15 Freq increase command UP Freq decrease command DOWN The frequency increase or decrease is controlled by control terminal It can take the place of control panel in remote control mode 16 Acc Dec prohibited command To maintain the motor free from influence of any input command except stopping command and keep running at the present
48. to P1 11 P1 15 88 Shenzhen Gozuk Co Limited www gozuk com FWD REV runnin P4 08 Enna Range 0 4 0 mode selection 4 control modes 0 2 wire control mode 1 K2 VFD 0 0 Stop AE FWD 0 1 FWD Ko d REV 1 0 REV COM 1 1 stop 1 2 wire control mode 2 Fig 6 21 2 wire control model K2 K1 Command 0 0 Stop 1 0 Stop 0 1 Fwd 1 1 Rev Fig 6 22 2 wire control mode1 89 Shenzhen Gozuk Co Limited www gozuk com j 3 wire control mode 1 SB2 5 FWD SB1 stop SBI T 9 Xi SB2 FWD Kn SB3 SB3 REV REV COM Fig 6 23 2 wire control model Xi is one of multifunctional input terminal X1 X6 which should be defined to function 9 that is 3 wire control mode 3 3 wire control mode 2 sB2y VFD CM stop 4 FWD K2 Direction select SB2 run SBI 0 FWD K 1 REV o REV 5 COM Fig 6 24 3 wire control mode 2 Xi is one of multifunctional input terminal X1 X6 which should be defined to function 9 that is 3 wire control mode Note In alarm stopping mode if the running control mode is selected as terminal control mode and FWD REV terminal is effective the will start at once after fault reset P4 09 UP DOWN rate Range 0 01 99 99Hz s 1 00 Hz s This function code defines the rate of change of set frequenc
49. usually is set frequency b 01 monitoring parameter shown as Fig 4 4 B Press gt key to display the other monitoring parameter The VFD default displays the first 7 monitoring parameters of b group The other parameters can be defined by function code P3 41 and P3 42 Please refer to Chapter 5 When in ENTER DATA b 01 that is setting frequency or it will always be displaying the monitoring parameter displaying press key for switching to default display parameter parameter displayed last time S37 Shenzhen Gozuk Co Limited www gozuk com Display without flashing in running state Initializing Display and flashing after power on in stopping state Fig 4 4 Parameter display in initialization stopping and running state B Parameter displaying in running state The VFD enters running state after receiving effective running command and the panel displays running state monitoring parameter It default displays output frequency b 00 monitoring parameter shown as Fig 4 4 C Press gt gt key to display the other monitoring parameter defined by function code P3 41 and 3 42 When in parameter displaying press DAIN key for switching to default display parameter b 00 that is output frequency or it will always be displaying the parameter displayed last time C Fault displaying in alarm state The VFD enters fault alarm display state after fault signal is detected The displayed fault code will be flashing
50. voltage Vmax Output Freq FL FB FH Fmax Fig 6 2 Fmax FB Vmax0V FH FL are the upper limit frequency and lower limit frequency respectively defined by P0 19 P0 20 function parameter P0 09 Torque boost Range 0 0 30 0 2 0 In order to compensate the low frequency torque boost the output voltage in the low frequency zone shown as Fig 6 3 Output voltage Vmax Vmax Vb Output freq Output freq Fz FB Fz FB A Constant torque curve torque boost B Square torque curve torque boost Vb Manual torque ascending voltage Vmax Maximum output voltage Fz Torque ascension cut off frequency FB Basic operation frequency Fig 6 3 Torque boost 64 Shenzhen Gozuk Co Limited www gozuk com P0 10 Torque boost cutoff Range 0 00Hz basic running 25 00Hz freq freq This function defines the cutoff freq in manual torque boost P0 11 Torque boost mode Range 0 1 0 0 Manual boost In manual boost mode torque boost voltage is defined by P0 09 parameter which is fixed But the motor is easy to reach magnetic saturation when light load 1 Auto boost In this mode torque boost voltage is changed according to the change of motor stator current The higher of stator current the bigger of boost voltage P0 09 VFD output current x Motor rated voltage XO Boost voltage 2 x VFD rated current P0 12 Carrier freq
51. 0 11 Torque boost mode 0 Manual 1 1 0 e 0 12 Carrier Freq 1 0K 14 0K 0 1K 8 0K x Acc Dec mode 0 Linear Acc Dec 0 13 1 0 x selection 1 Curve Acc Dec 45 Shenzhen Gozuk Co Limited www gozuk com PO Group Basic running parameter Func Min Factory Name Range Change Code Unit default Time of S curve 10 0 50 0 Acc Dec time 0 14 0 1 20 0 o start stage P0 144 PO 15 90 6 15 Time of S curve 10 0 80 0 Acc Dec time 0 1 60 0 E ascent stage PO 14 P0 15 90 0 Second 0 16 Acc Dec time unit 0 0 x 1 Minute 0 17 Acc time 1 0 1 6000 0 0 20 0 o 0 18 Dec time 1 0 1 6000 0 0 20 0 0 19 Upper limit Freq Lower limit Freq Max output Freq P0 06 0 01Hz 50 00Hz x 0 20 Lower limit Freq 0 00Hz Upper limit Freq 0 01Hz 0 00Hz x 021 Lower limit Freq 0 Running at lower limit freq 1 7 Running mode 1 Stopping 0 Constant torque curve 1 Reduced torque curve 1 1 2 times the power 0 22 V F curve setting 2 Reduced torque curve 2 1 7 times the power 1 0 x 3 Reduced torque curve 3 2 0 times the power 4 Customized V F curve 0 23 V F Freq valueP3 P0 25 P0 07 Basic running Freq 0 01Hz 0 00Hz x 0 24 V F Volt valueV3 P0 26 100 0 0 1 0 0 x 0 25 V F Freq valueP2 P0 27 P0 23 0 01Hz 0 00Hz x 0 26 V F Volt valueV2 P0 28 P0 24 0 196 0 096 x 0 27 V F Freq valueP1 0 00 0 25 0 01Hz 0 00Hz x 0 28
52. 09 LED unit s place baud rate 0 1200BPS 1 2400BPS 2 4800BPS 3 9600BPS 4 19200BPS 5 38400BPS LED ten s place data format 0 1 7 2 Format without check 1 initial place 7 data place 2 stop place without check 1 1 7 1 Format odd parity check 1 initial place 7 data place 1 stop place odd parity check 2 1 7 1 Format even parity check 1 initial place 7 data place 1 stop place even parity check 3 1 8 2 Format without check 1 initial place 8 data place 2 stop place without check 2g Shenzhen Gozuk Co Limited www gozuk com 4 1 8 1 Format odd parity check 1 initial place 8 data place 1 stop place odd parity check 5 1 8 1 Format even parity check 1 initial place 8 data place 1 stop place even parity check 6 1 8 1 Format even parity check 1 initial place 8 data place 1 stop place without check LED hundred s place communication mode 0 MODBUS ASCII Mode MODBUS communication protocol ASCII data transmission 1 MODBUS RTU Mode MODBUS communication protocol RRTU data transmission Note When ASCII mode is selected please select data format as 0 2 that data place is 7 When RTU mode is selected please select data format as 3 5 that data place is 8 P3 10 Local address Range 0 248 1 This function is used to mark the address of VFD itself in serial port communication mode 0 Broadcast address When th
53. 1 Format even parity check 3 1 8 2 Format without check 4 1 8 1 Format odd parity check 5 1 8 1 Format even parity check 6 1 8 1 Format without check LED hundred s place communication mode 0 MODBUS ASCII Mode 1 MODBUS RTU Mode 0 248 3 10 Local address 0 Broadcast address 1 1 x 248 Host address Communication 3T 0 0 1000 0s 3 overtime 5 0 0 Function invalid oag 008 detection time Local response 3 12 0 1000ms 1 5ms x delay Multi running 3 13 j 0 01 1 00 0 01 1 00 x running proportion 3 14 Acc time2 0 1 6000 0 0 1 20 0 o 3 15 Dec time2 0 1 6000 0 0 1 20 0 3 16 Acc time3 0 1 6000 0 0 1 20 0 o 3 17 Dec time3 0 1 6000 0 0 1 20 0 o 3 18 Acc time4 0 1 6000 0 0 1 20 0 3 19 time4 0 1 6000 0 0 1 20 0 o 3 20 Acc time5 0 1 6000 0 0 1 20 0 o 3 21 Dec time5 0 1 6000 0 0 1 20 0 3 22 Acc time6 0 1 6000 0 0 1 20 0 3 23 Dec time6 0 1 6000 0 0 1 20 0 o 49 Shenzhen Gozuk Co Limited www gozuk com 3 24 Acc time7 0 1 6000 0 0 1 20 0 o 3 25 Dec time7 0 1 6000 0 0 1 20 0 o 3 26 ti stage Freq 1 Lower limit Freq Upper limit Freq 0 01Hz 5 00Hz 3 27 Multi stage Freq 2 Lower limit Freq Upper limit Freq 0 01Hz 10 00Hz 3 28 Multi stage Freq 3 Lower limit Freq Upper limit Freq 0 01Hz 20 00Hz o 3 29 Multi stage Freq 4 Lower limit Fre
54. 15 00Hz DC braking braking time 0 60 0seconds braking current 0 80 Energy consuming braking unit built in external braking resistor braking can be Jog running Jog frequency range 0 1Hz 50 00Hz JOG Acc Dec time 0 1 60 0s PI built in Easily constitute a close loop control system Multi stage Multi stage speed running available through built in PLC or speed running control terminals Textile swing Swing frequency available with preset and center frequency frequency adjustable Auto voltage When the grid voltage changes to maintain constant output voltage regulation Auto energy Saving energy by auto optimizing V F curve according to the load saving running Auto current limiting Auto current limiting to prevent frequent over current fault trip Fixed length control VFD stops when reaches the preset length RS485 standard communication port available support MODBUS Communication communication protocol of ASCII and RTU master slave multi machine interaction function available Running Control panel control terminal serial port 3 channels switchable command channel Control panel potentiometer M control panel keys function Frequency code digital serial port terminal up down setting channel analog voltage analog current pulse combination setting all channels switchable Switch input FWD REV command 8channels programmable switch inputs channel 35kinds of function can be set separately Anal
55. 2 Removing and Mounting Front Cover of VFD 19 3 3 Wire Connection 19 3 4 Main Circuit Wiring 20 3 5 Basic Wiring Diagram 22 3 6 Control Circuit Terminal Wiring 23 3 7 EMC Installation Instruction 29 Chapter 4 Running of VFD 4 1 Running of VFD 32 4 2 Operation and Using of the Control Panel 35 4 3 power 44 Chapter 5 Function Parameter Table 5 1 Symbol Description 45 5 2 Function Code Table 45 Shenzhen Gozuk Co Limited www gozuk com Chapter 6 Function Code Description 6 1 Basic running function parameter PO Group 62 6 2 Frequency Setting Function Parameter P1 Group 69 6 3 Start Brake Function Parameter P2 Group 6 4 Auxiliary Running Parameter P3 Group 6 5 Terminal Control Function Parameter P4 Group 6 6 Protection Function Parameter
56. 3 VCI 1 0 x selection 4 Min VL 5 Max VL 6 analog input 4 20mA Given channel filtering 7 03 Y 0 01 50 00s 0 015 0 505 time constant Feedback channel E 7 04 ue 0 01 50 00s 0 01s 0 50s 8 filtering time constant 7 05 Given value digital setting 0 001 20 000Mpa 0 001Mpa 0 000Mpa x Close loop adjustment 0 Positive effect 7 06 E ien 1 0 characteristics 1 Negative effect 7 07 Feedback channel gain 0 01 10 00 0 01 1 00 7 08 Lower pressure limit 0 001 P7 09 0 001 0 001 7 09 Upper pressure limit P7 08 P7 27 0 001 1 000 0 Proportional control 1 Integral control 7 10 PID Controller structure 2 Proportional integral control 1 1 x 3 Proportional integral and differential control 7 11 Proportional gain KP 0 00 5 00 0 01 0 50 55 Shenzhen Gozuk Co Limited www gozuk com 7 12 Integral time constant 0 1 100 0s 0 1 10 0s 7 13 Differential gain 0 0 5 0 0 1 0 0 x 7 14 Sampling period 0 01 1 00s 0 01 0 10 7 15 Tolerance limit 0 0 20 0 0 1 0 0 PID Feedback 7 16 disconnected detection 0 Upper limit freq 0 01Hz 0 00Hz threshold PID Feedback 7 17 disconnected action 0 3 1 0 o selection PID Feedback 7 18 disconnected operation 0 01 5 00s 0 01s 00s delay time 7 19 Pressure level 0 001 P7 20 0 001Mpa 0 001Mpa o 7 20 Sleep pressure level P7 19 P7 27 0 001Mpa 000 Sleep le
57. 4 24 Specified counts given 0 4 19 Overload pre alarm detection level 20 200 130 Overload pre alarm delay time 0 0 20 0s 0 15 5 05 53 Shenzhen Gozuk Co Limited www gozuk com P5 Group Protection function parameter Func Min Factory Name Range Change Code Unit default Motor overload protection 0 Stop outputting 5 00 0 mode selection 1 Inaction Motor overload 20 120 5 01 B ae 00 x protection coefficient Overvoltage stall 0 Prohibited 5 02 x Selection 1 Allowed 380V 120 150 4096 5 03 Overvoltage stall point 220 110 130 20 5 04 Auto current limit level 110 200 50 x Freq drop rate during 5 05 0 00 99 99Hz s 0 01Hz s 0 00Hz s o current limit 0 Constant speed invalid Auto current limit 5 06 1 Constant speed valid 1 x mode selection Note Acc Dec valid Restart setting after 0 Inaction P5 07 E 1 0 power failure 1 Action Restart waiting time P5 08 0 0 10 0s 0 15 0 55 after power failure 0 10 Fault self recovery 0 Self recovery invalid P5 09 A 5 1 0 times Note Self recovery invalid in overload or overheat P5 10 Self recovery interval time 0 5 20 0s 0 15 5 05 Output missing phase 0 Inaction 5 11 i 1 0 o protection 1 Action P6 Group Fault record function parameter Func Min Factory Nam
58. A V key given digital given P0 02 16 MAX VI CI 17 MIN VI CI 18 MAX VI CI PULSE 19 MIN VI CI PULSE 20 VI CI Availability except 0 VI prior LED unit s place 0 All parameters are allowed to be revised 1 All parameters are not allowed to be revised except this parameter itself Parameter Beats ate gt 2 All parameters are not allowed to be revised P3 01 initialization i fi 0 x i except P0 02 parameter and this parameter itself setting LED ten s place 0 Inaction 1 Factory default reset 2 Clear history fault record 0 Inaction Parameter 1 Parameter upload P3 02 1 0 2 Parameter download Note only valid in remote control mode Auto energy 0 Inaction P3 03 1 0 x save running 1 Action 0 Inaction P3 04 AVR function 1 Always action il 0 x 2 Inaction only in Dec 48 Shenzhen Gozuk Co Limited www gozuk com Slip Freq P3 05 0 150 1 0 x compensation P3 06 JOG running Freq 0 10 50 00Hz 0 01Hz 5 00Hz o P3 07 JOG Acc time 0 1 60 0s 0 15 20 05 P3 08 JOG Dec time 0 1 60 0s 0 15 20 05 LED unit s place baud rate selection 0 1200BPS 1 2400BPS 2 4800BPS 3 9600BPS 4 19200BPS 5 38400BPS LED ten s place data format Communication 0 1 7 2 Format without check P3 09 ene 1 005 configuration 1 1 7 1 Format odd parity check 2 1 7
59. H CRC CHECK Low 41H CRC CHECK Low 41H CRC CHECK High 04H CRC CHECK High 04H Check code ASCII mode Double byte ASCII code Calculation method For message sending end the calculation of LRC is the method of continuous accumulation the byte from slave address to running data which is not converted to ASCII code discarding carry over reversing the 8 bit data then plus 1 converting to complement finally converted to ASCII code putting into the 134 Shenzhen Gozuk Co Limited www gozuk com checkout area high byte in front low byte in post For The message receiving end the same LRC method is used to calculating checksum of received data and comparing it with the received checksum If they are equal the message received is correct If not equal the received message is wrong If error the message frame is discarded with no answering while the end continuing to receive the next frame data RTU mode two bytes of 16 hex The CRC domain is two bytes including a binary value of 16 bits It is calculated and added to the message by the sending end while low byte added in front and high byte added in post then so the high byte of CRC is the last of the message The receiving device re calculates the CRC of the message and compares it with the CRC in receiving domain if the two values are different it means there is error in received message and the message frame is discarded while there is no responding bu
60. H Read output voltage 2107H Read motor speed 2108H Read module temp 2109H Read VI analog input 210AH Read VI analog input 210BH Read software version Read function GGnnH Responding function code 136 Shenzhen Gozuk Co Limited www gozuk com code 03H GG function code number nn function code number Read function GGnnH GG function code Function code writing into VFD code 06H number nn function code number Error code Error code Description 01H Function code error It can not be identified 03H 06H 08H 02H Address error It can not be identified 03H Data error Data overrun 137
61. LRC CHK Lo 8 check code combined with two ASCII code END Hi End character END Lo END Hi CR 0DH END Lo CR 0AH RTU mode Maintaining no input signal for more than or equal to START 10ms Address address 8 bit Binary address Function Function code 8 bit Binary address DATA 1 Data content N 8 bit data N lt 8 less than 8 bytes DATA 0 CRC CHK Low CRC Check code 16 bit CRC check code is combined with 2 8 bit Binary CRC CHK High code Maintaining no input signal for more than or equal to END 10ms Address OOH All broadcast from VFDs 01H Communication with VFD of 01 address OFH Communication with VFD of 15 address 10H Communication with VFD of 15 address and so on maximum to 254 FEH Function and DATA code 03H Read data from a register 06H Write data to the register O8H Loop detection Function code 03H Read data from a register For example read data from the address 2104H of register Output current ASCII mode Asking for information string format Answering information string format 131 Shenzhen Gozuk Co Limited www gozuk com header 3 Header 3AH 0 30H Address Address 1 31 0 30 Q 30H Function code Function code 3 33 3 33 2 32H 0 30 1 31 Information number 0 30H 2 32H content Q 30H 4 34
62. Multi stage freq 6 Acc Dec time 6 ON ON ON Multi stage freq 7 Acc Dec time 7 The above multi stage frequency can be used in multi stage speed running mode and simple PLC running mode Herein take multi stage speed running for example as follow Define control terminal X1 X2 X3 as follow P4 00 1 P4 01 2 P4 03 3 that X1 X2 X3 are used to achieve multi stage speed running shown as Fig 6 18 Output freq 7 speed lspeed Normal freq Runni and unning comman x X2 on X3 Fig 6 18 multi stage speed running Take terminal control mode for example as Fig 6 19 that K7 K8 can control forward or reverse running 84 Shenzhen Gozuk Co Limited www gozuk com breaker RR TA TS UM U power PS p Mi TT W 4 L PE T l VFD K2 K3 a FWD COM REV COM 4 Fig 6 19 wiring diagram of Fig 6 20 peripheral equipment multi stage speed running 4 5 External JOG control input JOGP JOGR In terminal control mode P0 03 1 JOGP is JOG forward running JOGR is JOG reverse running JOG running frequency and JOG running Acc Dec time is defined by P3 06 P3 08 6 8 Acc Dec time terminal selection Table 6 3 Acc Dec time terminal selection logical mode Terminal 3 Terminal 2 Terminal 1 Acc Dec time selection OFF OFF OFF Acc timel Dec time 1 OFF OFF ON Acc time2 Dec
63. P5 Group 6 7 Fault Record Function Parameter P6 Group 6 8 Close Loop Running Control Function Parameter P7 Group 101 6 9 Injection Machine Parameter P7 Z Group 108 6 10 PLC Running Parameter P8 Group 112 6 11 Swing Frequency Function Parameter P9 Group 117 6 12 Vector Control Parameter PA Group 120 6 13 Factory Function Parameter PF Group 121 Chapter 7 Troubleshooting 7 1 Fault Alarm and Troubleshooting 122 7 2 Fault Record Search 125 7 3 Fault Reset 125 Chapter 8 Preservation and Maintenance 8 1 Preservation and Maintenance 126 8 2 Periodic Preservation and Maintenance 126 8 3 Warranty of 127 Chapter 9 Serial Port Communication Protocol of RS485 9 1 Communication Overview 128 9 2 Communication Protocol Specification 128 9 3 The ASCII Communication Protocol 130 Shen
64. Start running mode 1 Brake first then start from start Freq 1 0 x 2 Track speed then start 2 01 Start Freq 0 40 20 00Hz 0 01Hz 0 50Hz o Start Freq running 2 02 0 0 30 0s 0 15 0 05 duration DC brake current as 2 03 0 15 1 0 o start DC brake time as 2 04 0 0 60 0s 0 15 0 05 start 0 Dec 2 05 Stop mode 1 Free Stop 1 0 2 Dec DC brake Start Freq of DC 2 06 0 0 15 00Hz 0 0Hz 3 00Hz o brake as stop DC brake time as 2 07 0 0 60 0s 0 15 0 05 o stop DC brake current as 2 08 0 15 1 0 o stop 47 Shenzhen Gozuk Co Limited www gozuk com P3 Group Auxiliary running parameter Func Min Factory Name Range Change Code Unit default 0 VI CI 1 VI CI 2 External pulse given VI control panel A V key given 3 External pulse given VI control panel V key given External pulse given CI Um External pulse given CI 6 RS485 given VI control panel V key given 7 RS485 given VI control panel A V key given 8 RS485 given CI control panel A V key given Freq control 9 RS485 given CI control panel A V key given P3 00 channel 10 RS485 given CI External pulse given 1 0 x combination 11 RS485 given CI External pulse given 12 RS485 given VI External pulse given 13 RS485 given VI External pulse given 14 VI CI control panel A V key given digital given P0 02 15 VI CI control panel
65. V F Volt valueV 1 0 P0 26 0 196 0 096 x P1 Group Frequency setting function parameter Func Min Factory Name Range Change Code Unit default Analog filtering time 00 0 01 30 00s 0 01s 0 20s o constant 01 VI channel gains 0 01 9 99 0 01 1 00 02 VI min given 0 00 P 1 04 0 01Hz 0 00V Corresponding Freq 03 ud 0 00 Upper limit Freq 0 01Hz 0 00Hz o to VI min given 04 VI max given P1 04 10 00V 0 01V 10 00V Corresponding Freq 05 R 0 00 Upper limit Freq 0 01Hz 50 00Hz o to VI max given 46 Shenzhen Gozuk Co Limited www gozuk com 06 0 01 1 00 CI channel gains 0 01 9 99 07 min given 0 00 P1 09 0 01V 0 00V Corresponding Freq 08 x 0 00 Upper limit freq 0 01Hz 0 00Hz to CI min given 09 max given P1 07 10 00V 0 01V 10 00V Corresponding Freq 10 0 00 Upper limit freq 0 01Hz 50 00Hz o to CI max given 11 Max input pulse freq 0 1 20 0K 0 1K 10 0K o 12 Pulse min given 0 0 P1 14 Pulse max given 0 1K 0 0K o Corresponding Freq 13 0 00 Upper limit freq 0 01Hz 0 00Hz to pulse min given P1 12 Pulse min given P1 11 Max input 14 Pulse max given 0 1K 10 0K o pulse Freq Corresponding Freq AS 0 00 Upper limit freq 0 01Hz 50 00Hz o to pulse max given P2 Group Start Brake function parameter Func Min Factory Name Range Change Code Unit default 0 Start from start Freq 2 00
66. V F curve Mains voltage is too low Check mains voltage General motor runs at low speed Use a special motor for long term E 10 Motor with heavy load for long term running overload Wrong setting of motor overload Set the factor right protection factor Motor chocked or sudden change Check load of load Ed Under voltage Mains voltage is too low Check mains voltage in running VFD module VFD over current Refer to over current troubleshooting ee protection Output 3 phase fault or ground short Re wiring 123 Shenzhen Gozuk Co Limited www gozuk com Air duct obstruction or fan damaged Clean air duct or replace a new fan Environment temperature too high Control board connecting wire or plug in unit loose Decrease environment temperature Check and re wiring Current waveform abnormal due to output missing phase etc Check wiring Auxiliary power damaged or driving voltage under voltage Contact supplier Control board abnormity Contact supplier E 13 Peripheral Close external fault terminals Check the reason fault Loose wiring or terminal Check and re wiring Current connections E 14 detecting Auxiliary power source damaged Contact supplier circuit fault Hall component damaged Contact supplier Abnormal amplifier circuit Contact supplier Wrong baud rate setting Set baud rate properly RS232 485 Serial port comm
67. ach motor input terminal as to protect the motor effectively 97 Shenzhen Gozuk Co Limited www gozuk com Pas eee Range 0 1 1 selection P5 03 Overvoltage stall Range 380V 120 150 140 i point 220V 110 130 120 0 prohibited 4 1 allowed Overvoltage fe ae 0 prohibited stall point 1 allowed Output freq In VFD Dec running process because of the affection of load inertia time the actual Dec rate of motor speed may be lower than output frequency Dec rate Fig 6 31 overvoltage stall At this moment the motor will feed back electrical energy to VFD which will cause the busbar voltage rising If don t take measures the overvoltage protection will be triggered In the VFD Dec running process the overvoltage stall protection function will detect the busbar voltage and compare it with overvoltage stall point defined by P5 03 relative to standard busbar voltage if it exceeds overvoltage stall point the VFD will stop decreasing output frequency After detecting busbar voltage lower than overvoltage stall point again the Dec process will restart shown as Fig 6 30 P5 04 Auto current limit level Range 110 200 150 Freq P5 05 drop rate current Range 0 00 99 99Hz S 10 00Hz S P5 06 Auto limit mode Range 0 1 1 selection Auto current limit function is to auto limit the load current not to exceed auto current
68. anel A Wkey given external pulse given CI external pulse given CI RS485 given VI control panel A key given RS485 given VI control panellA Wkey given RS485given control panel W key given RS485given CI control panel W key given RS485given CI external pulse given RS485given CI external pulse given RS485 given VI external pulse given RS485 given VI external pulse given VI CI control panell amp W key given digital given P0 02 VI CI control panel A Wkey given digital given P0 02 MAX VL CD MIN VI CI MAX VI CI PLUSE MIN VI CI PLUSE VI CI availability except VI prior Parameter Range ED unit s place 0 2 P3 01 initialization setting LED ten s place 0 2 00 LED unit s place 0 1 2 All parameters are allowed to be revised All parameters are not allowed to be revised except this parameter itself All parameters are not allowed to be revised except 0 02 parameter and this parameter itself The Shenzhen Gozuk Co Limited www gozuk com LED ten s place 0 inaction 1 Factory default reset 2 Clear history fault record Note 1 The factory default setting of this function code parameter is 0 that is all the function code parameter are allowed to be revised 2 After factory default reset each place of this function code recovers to 0 automatically
69. apter AC250V 1A COS 0 4 terminal terminal TC RC 6 5 P4 12 P4 13 IDC30V 1A 2 Control Circuit CN2 terminal shown as Fig 3 7 485 P24 XI X3 X5 FWD REV DO AOI AQ2 VI 10V 485 COM X2 X4 X6 0C2GND GND PE Fig 3 7 CN2 terminals 3 Function of CN 2 terminal shown as Table 3 4 Table 3 4 CN 2 terminal function Sort Terminal Name Function Description Specification RS485 differential signal positive Communic bud nien terminal Twisted or shielded wire ation RS485 differential signal negative needed 485 port terminal Can be defined as multifunctional Opto isolated output Open collector on off output terminal by pu output terminal 1 programming refer to Chapter 6 5 4 ipu des ud M A 10 Common port COM es be defined as multifunctional E z Open collector on off output terminal b Opto isolated oc z CORDES fer t ter 6 SPA Working voltage 9 30V Z8 output terminal 2 programming refer to Chapter 5 4 ou put current 50mA 11 Common port COM Can be defined as multifunctional Max output frequency Pulse output terminal by programming 20KHz Refer to Chapter 6 5P4 21 P4 22 Output freq range defined by Common port COM P4 21 Open collector DO pulse Output terminal Output terminal Pulse
70. be through a metal pipe and has its shielding coat grounded You may use the 4 core cable as the motor power cable Ground one core at VFD side with the other end of it connected to the motor case OO When the signal cables are parallel to or bound together with the power cables the static and electromagnetic induction will cause the noise transmit through the signal cable misoperating the related equipment Solution 1 Avoid laying the signal cable parallel to the power cable or bind them together 2 Keep the susceptible peripheral equipment away from the VFD 3 Keep the susceptible signal bables away from the input output cables of VFD Shielded cables should be used as the signal or power cable Lead them through metal pipes respectively would achieve better effect The metal pipes should be at least 20 cm away from each other 30 Shenzhen Gozuk Co Limited www gozuk com 3 7 2 Wiring Connection and Grounding 1 Please try not to wire motor cable from VFD Power cable Motor cable to motor in parallel with power cable and keep at least 30cm from each other 2 Please try to arrange the motor cable through Control signal cable metal pipe or in metal wiring groove Fig 3 16 Orthogonal wiring 3 Please use shielded cable as control signal cable and connect the shielding coat to PE terminal of VFD with proximal grounding to VFD 4 PE grounding cable should be directly connected to the earth plat
71. com 6 10 PLC Running Parameter P8 Group Simple PLC function is a multi stage speed generator The VFD can auto change frequency and running direction in set running time to satisfy the technics command shown as Fig 6 39 Fg F gt Simple PLC running d7 1 PLC stage finish indication cycle finish indication 00ms Fig 6 39 simple PLC running al a7 41 47 are Acc and Dec time in each stage shown as Fig 6 39 which are defined by Acc Dec time parameter P0 17 0 18 and P3 14 P3 25 F1 F7 T1 T7 are running frequency and running time which are defined by function code P8 01 P8 14 PLC running mode Range LED unit 0 3 ten 0 1 selection hundred 0 1 thousand 0 1 0070 P8 00 LED unit s place PLC running mode selection 0 Inaction 1 Stop after single cycle The VFD will stop automatically after one cycle It will restart after receiving a new running command shown as Fig 6 40 112 Shenzhen Gozuk Co Limited www gozuk com F gt Simple PLC running i 5 Fi 1 4 as Fa 3 ds i i RE i i Lp T4 132 To Ts T6 i i RUN command Fig 6 40 PLC stop after single cycle 2 Running at final frequency after single cycle The VFD will keep running at the frequency and direction of final stage after one cycle It will stop in set dec time after receiving stopping command sh
72. d Function of Terminals and Jumpers on Control Circuit Fig 3 6 Position of terminals and jumpers on control circuit Before using the VFD Please make correct terminals wiring and jumpers setting It is 4 a p suggested to use above Imm wire as terminal connection wire Table 3 2 Jumper switch function NO Function Setting Setting FD ii Pulse output terminal 1 2 connected internal24V power of VFD external DO power selection 2 3 connected external power power Analog output terminal AO 1 2 0 10V AO1 output voltage signal JP2 0 10V current voltage output selection 2 3 4 20mA AOI output current signal Terminal CI current voltage 1 2 V side 0 10 voltage signal JP3 0 10V Input selection 2 3 I side 4 20 mA current signal X7 terminal input mode 1 2 PLC side X7 used as multifunctional terminal JP4 PLC side selection 2 3 side X7 used as an external pulse input 225 Shenzhen Gozuk Co Limited www gozuk com 3 6 2 Description of Terminals on Control Circuit 1 Function of CN 1 terminal shown as Table 3 3 Table 3 3 CN 1 terminal function Sort Terminal Function Description Specification ITA RA be defined as multifunctional TA TC NC TA TB Normally open contact Relay 1 Multifunctional Relay output terminal by capacityAC250V 2A COS 1 output TB RB relay output programming refer to Ch
73. d loop operation 107 Shenzhen Gozuk Co Limited www gozuk com 6 9 Injection molding machine parameter P7 Z Group P7 00 Injection machine parameter selection Range 0 1 0 0 Injection molding machine parameter invalid 1 Injection molding machine parameter valid Injection molding machine flow P7 01 0 pressure signal detection Range 0 1 2 0 0 Close 1 Power down save 2 The power down does not save The features used for the injection molding machine flow pressure signal maximum and minimum automatic detection convenient for users to use During shutdown set the function and then start the injection molding machine cycle to run 3 times then the injection molding machine input to the VFD flow pressure signal of the maximum and minimum automatic writing corresponding to the function code wherein the channel 11 1 maximum and minimum input into the P7 05 and P7 07 channel 21 2 function code the maximum and minimum input write to P7 09 and P7 11 function code If you choose the power off memory function then the frequency converter to power automatic detection of the value is still stored in corresponding to the function code if you choose not to save power off then again after power VFD corresponding to the function code for automatic detection of recovery before setting value P7 02 Selection combining Range 0 1 2 3 0 0 channel 1I 1V set freque
74. de P0 01 0 the output frequency can be potentiometer controlled by regulating this potentiometer 4 2 3 LED Display and Indictor Description There are a 4 digits LED display 3 unit indicators and 3 state indicators These 3 unit indicators have 6 kinds of combinations corresponding to 6 kinds of unit indicating as Fig 4 3 A 104 Se g V No unit A Hz Hz Hz n A S o se AO IEEE EAE V Hz S on OFF Fig 4 3 Indicator state and unit indicating 36 Shenzhen Gozuk Co Limited www gozuk com Table 4 2 State indicator description Item Function Description LED digital display Display VFD s running state parameters and setting parameters When the motor is running forward this FWD When the VFD is in DC braking Display indicator is on Stat state the FWD and REV indictor function 2 When the motor is running reverse this REV are on at the same time indicator indicator is on ALM When there is a fault alarm this indicator is on 4 2 4 Control Panel Display State The control panel display state includes parameter displaying in stopping state function code parameter displaying in programming state fault displaying in alarm state and parameter displaying in running state A Parameter displaying in stopping state When VFD is in stopping state panel displays stopping state monitoring parameter which
75. e 5 The control signal cable should not be in parallel with strong electricity cable power cable motor cable They should not be bent together and should be kept away as least 20cm from each other If cable crossing is inevitable please make sure it is orthogonal as Fig 3 1 6 6 Please ground the control signal cable separately with power cable motor cable 7 Please don t connect other devices to VFD power input terminals R S T 23 Shenzhen Gozuk Co Limited www gozuk com Chapter 4 Running of VFD 4 1 Running of VFD 4 1 1 Running Command Channels There are three channels for VFD receiving commands like START STOP JOG and others Control panel Use Keys on the panel to control the VFD Factory default Control terminal Use terminal FWD REV COM to constitute a 2 wire control mode or use one of terminals amongX1 X6 and FWD REV to constitute a 3 wire control mode Serial port Use upper computer PC PLC or host VFD to control slave VFD to start or stop via serial port The command channels can be selected by setting Function Code P0 03 or by multifunctional input terminal function code P4 00 P4 07 Note These three channels are all switchable Please make debugging before switch so as to avoid equipment damage and personal injury 4 1 2 Frequency setting channel There are 8 kinds of frequency setting channels as follow 0 by control panel potentiometer 1 by Ca Y control panel keys 2 digi
76. e Range Change Code Unit default 6 00 Last fault record Last fault record 1 0 6 01 Output Freq in last fault Output Freq in last fault 0 01Hz 0 6 02 Set Freq in last fault Set Freq in last fault 0 01Hz 0 6 03 Output current in last fault Output current in last fault 0 1A 0 6 04 Set Freq in last fault Set Freq in last fault IV 0 6 05 Output current in last fault Output current in last fault IV 0 6 06 Output voltage in last fault Output voltage in last fault 10C 0 6 07 Last 2 fault record Last 2 fault record 1 0 54 Shenzhen Gozuk Co Limited www gozuk com P6 08 Last 3 fault record Last 3 fault record 1 0 P6 09 Last 4 fault record Last 4 fault record 1 0 P6 10 Last 5 fault record Last 5 fault record 1 0 P6 11 Last 6 fault record Last 6 fault record 1 0 P7 Group Close loop running control function parameter Func Factory Name Range Min Unit Change Code default Close loop running 0 Invalid P7 00 1 0 x control selection 1 Valid 0 P7 05 Digital given panel A V Fine tuning 1 VI analog 0 10V voltage given Close loop given 2 Cl analog 0 10V given P7 01 1 0 channel selection 3 Panel analog potentiometer given 4 RS485 communication given 5 Pulse input given 6 simulation4 20mACurrent setting 0 VI analog 0 10V input voltage 1 CI analog input 0 10V 0 20mA 2 VCI Feedback channel P7 02
77. e VFD works as a slave if it receives address command as 0 it means the VFD is receiving broadcast command and unnecessary to respond the host 248 Host address When the VFD works as a host set P3 10 248 the host VFD is able to send broadcast command to other slave VFDs so as to achieve multi machine interaction Communication P3 11 overtime detection Range 0 0 1000 0S 0 0S time When serial port communication is failed if the duration exceeds the set value of this function the VFD will conclude that there is a communication failure As set value is 0 the VFD will not detect the serial port communication signal that this function is invalid Local response P3 12 delay Range 0 1000ms 5ms 78 Shenzhen Gozuk Co Limited www gozuk com Local response delay is the time from serial port receiving the command from the upper computer and executing the command to responding the upper computer P3 13 Multi running proportion Range 0 01 1 00 1 00 This function code is used to set the scale factor of VFD received frequency set command through serial port The actual VFD running frequency is equal to this scale factor multiplied by received frequency set command through serial port In multi machine interaction running mode it can use this parameter to set the scale of multi VFD running frequency that is different running freq
78. e and go to run according to preset running mode refer to function code P8 To make PLC running invalid please set multifunctional input terminal function29 and switch to lower level running mode 3 Multi stages peed running 33 Shenzhen Gozuk Co Limited www gozuk com By setting non zero combination of multifunctional input terminal function1 2 3 and selecting multi frequency 1 7 the VFD will enter multi stage speed running mode refer to function codeP3 26 P3 32 4 Normal running Simple open loop running mode of VFD High priority level E Is there a JOG command No s running command effective YES 5 close loop effective YES mic terminal closed and close loop invalig Is terminal closed and PLC invalid OG running Close loop runnin Low priority level Are multi stage freq Terminal valid Fig 4 1 Running mode logic diagram The above 5 kinds of running modes can be running in multiple frequency setting channel except JOG running PLC running multi stage speed running and normal running can carry out swing frequency conditioning 34 Shenzhen Gozuk Co Limited www gozuk com 4 2 Operation and Using of the Control Panel 4 2 1 Control Panel Layout User can perform VFDs start speed modulation stop braking setup the running parameters and control peripheral equipment through control panel and control terminal
79. e pressure gauge range P7 27 Range 0 001 20 00Mpa 1 000 This parameter and the actual use of gauge range equal corresponding to 10V or 20mA Multi pump operation mode P7 29 Rotation in timed intervals Range 0 5 100 0h 5 0 Multi pump operation mode for each pump capacity the same system P7 28 Range 0 1 0 0 Fixed sequence switch According to the detected pressure changes at a fixed switching sequence plus or minus pump General pump start from 0 1 Timing of the rotation This way is actually at a certain time after redefine each pump number to ensure that each pump can get equal chance to run and the time in order to prevent a portion of the pump for a long rest and rust Timing of operation time by P7 29 parameter definition Pump switching judgment time This parameter is used to set the output frequency of the VFD reaches the upper P7 30 Range 0 1 1000 0S 300 0S limit frequency to increase the pump and the output frequency of the VFD to limit to reduce the pump need stability judgment time The set of parameters is too short to cause the system pressure shocks but the pressure response more quickly Electromagnetic P7 31 switching delay time Range 0 1 10 0S 0 5S The parameters used to define system from frequency to frequency or variable frequency to the frequency switching from electromagnetic switch delay time In 106
80. el 0 00 Upper limit freq 0 01Hz 10 00Hz 4 16 FDTI lag 0 00 50 00Hz 0 01Hz 1 00Hz unit s place Analog output AOL Output Freq 0 m Freq 4 17 h 1 Output current 0 2 times 01 00 selection motor rated current 2 Output voltage 0 1 2 times 252 5 Shenzhen Gozuk Co Limited www gozuk com rated voltage 3 Busbar voltage 4 PID given 5 PID feedback 6 VI 0 10V 7 CI 0 10V 4 20mA Ten s place 0 0 10V 1 0 20mA 2 4 20mA P4 18 Analog output AO1 gain 0 50 2 00 0 01 1 00 P4 19 Analog output AO2 selection unit s place Output Freq 0 upper limit Freq 1 Output current 0 2 times motor rated current 2 Output voltage 0 1 2 times VFD rated voltage 3 Busbar voltage 4 PID given 5 PID feedback 6 VI 0 10V 7 CI 0 10V 4 20mA ten s place 0 0 10V 1 0 20mA 2 4 20mA 01 00 P4 20 Analog output AO2 gain 0 50 2 00 0 01 1 00 4 21 DO output terminal function selection unit s place 0 Output Freq 0 upper limit Freq 1 Output current 0 2 times motor rated current 2 Output voltage 0 1 2 times VFD rated voltage 3 Busbar voltage 0 800V 4 PID given 5 PID feedback 6 VI 0 10V 7 CI 0 10V 4 20mA 4 22 DO max pulse output Frequency 0 1K 20 0K max 20KHz 0 1KHz 10 0KHz P4 23 Set counts given F4 20 9999 P
81. enzhen Gozuk Co Limited www gozuk com 2 5 Optional Parts The following options if necessary please to my company ordered another 2 5 1 Remote control RS 485 communication applied between remote control panel and VFD which are connected by a 4 core cable via RJ45 network port The maximum connection distance is 500 The supports local control panel and remote control panel used at the same time no priority both can control the VED Hot Plug In for remote control panel is available The following functions are available by using remote control panel 1 Control slave VFD to run stop jog run fault reset change setting frequency change function parameters and running direction 2 Monitor slave VFD s running frequency setting frequency output voltage output current busbar voltage etc 2 5 2 Communication cable for remote control panel Type GK3000 LAN0020 2 0m Standard options 1m 2m 5m 10m 20m More than 20m can be customized For the remote keyboard and VFD host connection 2 5 3 Field bus Adapter The VFD can be connected into MODBUS field bus network via adapter as a slave station in the network The function as follow 1 To send command to VFD such as start stop jog running etc 2 To send speed or frequency signal to VFD 3 To read status from VFD 4 To fault reset for the VFD Please refer to Chapter 9 for communication protocol 16 Shenzhen Gozuk Co Limited www gozuk
82. er can not be revised during running state means read only parameter which can not be revised 5 2 Function Code Table P0 Group Basic running function parameter Func Min Factory Name Range Change Code Unit Default 0 V F Control P0 00 Control mode selection 1 0 1 Sensorless vector control 0 Analog potentiometer on control panel 1 A Wkey on control panel 2 Digital setting 1 control panel given 3 Digital setting 2 UP DOWN terminal Freq control channel given P0 01 ge 1 0 o selection 4 Digital setting 3 serial port given 5 VI analog given VI GND 6 Cl analog given CI GND 7 Pulse terminal given PULSE 8 Combination given refer to P3 00 ates aa PO 19lower limit Freq PO 20upper limit 0 02 Initial digital set Freq 0 01HZ 50 00HZ Freq 0 Control panel mode Running command 0 03 1 Terminal control mode 1 0 o mode selection 2 Serial port control mode RA Unit s place 0 Forward 1 Reverse Running direction a 0 04 id Ten s place 0 REV allowed REV 1 REV 1 10 prohibited 0 05 FWD REV dead time 0 0 120 0s 0 15 0 15 P0 06 Max output Freq 50 00Hz 500 00Hz 0 01Hz 50 00Hz x 0 07 Basic running Freq 1 00Hz 500 00Hz 0 01Hz 50 00Hz x Rated 0 08 Max output voltage 1 480V 1V x voltage 0 09 Torque boost 0 0 30 0 0 1 2 0 x 0 10 Torque boost cut off Freq 0 00Hz Basic running Freq P0 07 0 00 50 00Hz o
83. f output frequency FH FL is upper limit frequency and lower limit frequency respectively shown as Fig 6 2 When actual setting frequency is lower than lower limit freq the VFD output frequency will decrease in Dec time which has been set As it reaches the lower limit frequency if PO 21 0 the VFD will run at lower limit frequency If PO 2121 he VFD will keep decreasing the output frequency to 0 61 Shenzhen Gozuk Co Limited www gozuk com P0 22 V F curve setting Range 0 4 0 P0 23 V F Freq F3 Range P0 25 P0 07 basic Freq 0 00Hz P0 24 V F Volt V3 Range P0 26 100 0 0 0 P0 25 V F Freq F2 Range P0 27 P0 23 0 00Hz P0 26 V F Volt V2 Range P0 28 P0 24 0 0 P0 27 V F Freq F1 Range 0 00 P0 25 0 00Hz P0 28 V F Volt V1 Range 0 P0 26 0 0 These function parameter defines flexible V F setting mode of VFD User can select 4 fixed curves and 1 customized curve through P0 22 parameter so as to meet different load requirements 0 22 0 Constant torque V F curve shown as Fig 6 7 curve 0 0 22 1 1 2 times the power reduced torque V F curve shown as Fig 6 7 curve 1 0 22 2 1 7 times the power reduced torque V F curve shown as Fig 6 7 curve 2 0 22 3 2 0 times the power reduced torque V F curve shown as Fig 6 7 curve 3 When VFD drives reduced torque load such as fans and pumps user can select 1 2 3 V F curve running mode according to load characteristic so a
84. goes to stop by mechanical inertia This is called as free stop 2 After receiving stop command the VFD decreases the output frequency in Dec time when it reaches the start frequency of DC brake the VFD begins to DC brake P2 06 Start freq of DC brakeasstop Range 0 0 15 00Hz 3 00Hz P2 07 DC brake time as stop Range 0 0 60 0S 0 05 P2 08 DC brake current as stop Range 0 15 0 DC brake current as stop is a percentage relative to the VFD rated current There is no DC brake as DC brake time as stop is 0 0s P2 09 DC brake at 0 freq Range 0 20 0 P2 09 0 DC brake at 0 freq off P2 09 1 DC brake at 0 freq on P2 10 DC brake current at 0 freq 0 0 20 0 0 0 DC brake at 0 freq means VFD output DC voltage to brake motor while freq is 0 Users can adjust P2 10 to get larger braking force but the current will be larger S73 Shenzhen Gozuk Co Limited www gozuk com 6 4 Auxiliary Running Parameter P3 Group Freq control channel P3 00 combination Range 0 20 0 As P0 01 frequency control channel selection 8 It can set frequency control channel combination through the above parameter P3 00 4 lt lt KR Ro lt lt VI CI VI CI external pulse given V1 control panel A Wkey given external pulse given V1 control p
85. gral adjustment 2 As press key and hold it LED begins to increase from unit s place to ten s place and then to hundred s place If release A key and then 5 key again LED will increase from unit s place again 3 As press Cv key and hold it LED begins to decrease from unit s place to ten s place and then to hundred s place If release Y key and then key again LED will decrease from unit s place again E43 Shenzhen Gozuk Co Limited www gozuk com G Control panel key lock operation Press key for 5 seconds to lock control panel key It displays LOCK as panel locked H Control panel key unlock operation Press key for 5 seconds to unlock control panel key 4 3 Power Applied for VFD 4 3 1 Inspection Before Power Applied Please perform cable connection according to the requirements in manual 4 3 2 First Power Applied Operation After inspecting cable Connection and power source for sure switch on VFD input No AC power switch The VFD s c LED on control panel will display Vis Yes J Yes Powel applied successthil Fig 4 12 VFD first power applied dynamic start menu When it displays set frequency it means initialization has been completed 44 Shenzhen Gozuk Co Limited www gozuk com Chapter 5 Function Parameter Table 5 1 Symbol Description means that the parameter can be revised during running state x means that the paramet
86. ime shown as Fig 6 5 1 The curve slope is decreasing to 0 Note S curve Acc Dec mode is suitable for the start and stop process of conveying load such as elevator and belt conveyor etc P0 16 Acc Dec time unit Range 0 1 0 0 Second 1 Minute Note 1 This function is effective for all Acc Dec process except for JOG running mode 2 Please try to select second as time unit P0 17 Acc time 1 Range 0 1 6000 0 20 0 P0 18 Dec time 1 Range 0 1 6000 0 20 0 Acc time is the time of VFD output frequency increasing from 0 to upper limit freq shown as in Fig 6 6 11 66 Shenzhen Gozuk Co Limited www gozuk com Dec time is the time of VFD output frequency decreasing from upper limit freq to 0 shown as Fig 6 6 t2 Output Freq Upper limit 1 m ti t Fig 6 6 Acc Dec time Note 1 The VFD has 7 Acc Dec time Herein just 1 Acc Dec is defined The other 2 7 Acc Dec time are defined by P3 14 P3 25 function parameter 2 It can select time unit by P0 09 for all 1 7 Acc Dec time The factory default setting unit is second ae Range Lower limit freq P0 1 1 freq 50 00H 0 19 Upper limit freq Belicst output fred 0 00Hz R 0 00Hz limi P0 20 Lower limit freq ange 0 00HZ freq P0 21 Lower limit freq Range 0 running at lower limit 0 d running mode freq 1 stopping P0 19 P0 20 parameter defines the upper and lower limit o
87. information string format Answering information string format Address 00H Address 01H Function code 06H Function code 00H 00H 02H 02H Content Content 13H 13H 88H 88H CRC CHECK Low 25H CRC CHECK Low 25H CRC CHECK High 5CH CRC CHECK High 5CH Function code 08H Communication loop test This command is used to test the communication between main control equipment and receives and sends back the message to the main control equipment Asking for information string format Answering information string format header 3AH Header 3AH 0 30H Q 30H Address Address 1 31 1 31 Function code 0 30H Function code 0 30H 133 Shenzhen Gozuk Co Limited www gozuk com 8 38H 0 30 1 31 content 0 30 0 30 2 32H 2 32H content 0 30H 0 30H 3 33H 3 33H Data from address 2104H 0 30 0 30 4 34H 4 34H E 45H E 45H LRC CHECK LRC CHECK D 44H 44H CR ODH CR ODH END END LF OAH LF OAH RTU mode Asking for information string format Answering information string format Address 01H Address 01H Function code 08H Function code 08H 01H 01H 02H 02H Content content 03H 03H 04H 04
88. ion parameter settings reference P3 09 P3 12 function code 129 Shenzhen Gozuk Co Limited www gozuk com 9 3 ASCII protocol Character structure 10 characters box For ASCII 1 7 2 format no parity Start bit 1 2 3 4 5 6 7 Stop bit Stop bit 1 7 1 format odd parity Start bit 1 2 3 4 5 6 7 Parity bit Stop bit 1 7 1 format even parity Start bit 1 2 3 4 5 6 7 Parity bit Stop bit 11 characters box For RTU 1 8 2 format no parity Start bit 1 2 3 4 5 6 7 Stop bit Stop bit 1 8 1 format odd parity Start bit 1 2 3 4 5 6 7 Odd parity Stop bit 1 8 1 format even parity Start bit 1 2 3 4 5 6 7 Even parity Stop bit Communications data structures ASCII mode Frame header Start character 3AH Address Hi Address 8 bit address combined with two ASCII code Address Lo Function Hi Function code Function Lo 8 bit address combined with two ASCII code DATA 1 Data content n 8 bit data content combined with 2 n ASCII code 130 Shenzhen Gozuk Co Limited www gozuk com in which high in front and low in post n lt 4 8 ASCII DATA 0 code as maximum LRC CHK Hi LRC Check code
89. ip frequency of asynchronous motor so as to control the speed at a stable value If use this function in conjunction with auto torque boost function It can achieve better low speed torque characteristic which is shown as Fig 6 13 100 slip compensation Output current 15096 10096 Before slip K Slip compensation 5096 compensation m Motor speed Fig 6 13 slip freq compensation P3 06 JOG running freq Range 0 10 50 00Hz 5 00Hz P3 07 JOG Acc time Range 0 1 60 0S 20 05 P3 08 JOG Dec time Range 0 1 60 0S 20 0S JOG frequency has the highest priority In any stage as long as there is a JOG command input the VFD will switch to JOG frequency running by JOG Acc Dec time immediately which is shown as Fig 6 14 JOG Acc time is the time for VFD accelerating from 0 to upper limit freq JOG Dec time is the time for VFD decelerating from upper limit freq to 0 76 Shenzhen Gozuk Co Limited www gozuk com JOG JOG Dec time freq d JOG JOG ACC N freq time a m JOG JOG signal signal Fig 6 14 JOG running Note 1 JOG running is available in panel control mode terminal and serial port control mode 2 After JOG running command is canceled the VFD will decelerate by Dec time 09 Communication Range 000 155 0 configuration User can configure the baud rate data format and communication mode by setting P3
90. it use rate 0 100 0 0 1 30 0 Overpressure protection P9 11 0 780V IV 780V o threshold value Energy consumption 640V or P9 12 0 780V IV o braking busbar voltage 358V P9 13 G P Model set 0 1 1 0 P9 14 User password 1 9999 1 0 PA Group Vector control parameter Func Factory Name Range Min Unit Change Code default Motor parameter 0 Inaction 00 PES 1 0 x self learning function 1 Resting self learning epends on 01 Motor rated voltage 0 400V 1 x model type epends on PA 02 Motor rated current 0 01 500 00A 0 01A x model type depends on PA 03 Motor rated frequency 1 500Hz 1Hz x model type Motor rated rotating epends on PA 04 1 9999 r min Ir min x speed model type epends on PA 05 Motor poles number 2 16 T x model type depends on PA 06 Motor stator inductance 0 1 5000 0mH 0 1mH x model type epends 07 Motor rotor inductance 0 1 5000 0mH 0 1mH x model type Motor stator and rotor lepends on PA 08 0 1 5000 0mH 0 1mH x mutual inductance model type depends on PA 09 Motor stator resistance 0 001 50 000 2 0 001 x model type epends on PA 10 Motor rotor resistance 0 001 50 0000 0 0010 model type Overcurrent protection 11 coefficient of torque 0 15 1 5 x current 59 Shenzhen Gozuk Co Limited www gozuk com PA 12 Proportion adjustment 50 120
91. itude Swing amplitude AW is defined by max frequency and function code P9 04 P9 02 Preset swing freq Range 0 00 650 00Hz 0 00Hz P9 03 Preset swing freq waiting time Range 0 0 6000 0s 0 0s P9 02 is used for defining the running freq before swing freq running state When auto start mode is selected P9 03 is used for defining the duration of running at preset swing frequency When manual start mode is selected P9 03 is invalid Refer to Fig 6 44 P9 04 Swing amplitude Range 0 0 50 0 0 0 Variable swing amplitude AW center freq xP9 04 Fixed swing amplitude AW max running freq P0 06 xP9 04 Note Swing freq is restricted by upper lower limit frequency P9 05 Kick freq Range 0 0 50 0 0 0 P9 05 0 there is no kick freq P9 06 Swing freq cycle Range 0 1 999 9s 10 0s 118 Shenzhen Gozuk Co Limited www gozuk com This function code is to define the time of a completed cycle of swing freq running P9 07 delta wave ascent time Range 0 0 98 0 50 0 Swing freq ascent stage running time P9 06 P9 07 second Descent stage running time P9 06 1 P9 07 second Note User can select S curve Acc Dec mode at the same time when swing frequency running is selected It can make swing freq running smooth P9 08 Fan control selection Range 0 1 0 0 fan operation shutdown after 1 minute after the fan stops
92. k com Chapter 7 Troubleshooting 7 1 Fault Alarm and Troubleshooting When the is abnormal protection function acts LED displays fault code and the content fault relay acts the VFD stops output and the motor coasts to stop GK3000 series VFD s fault contents and troubleshooting is shown in Table 7 1 After fault alarm occurs fault phenomenon should be recorded in detail the fault should be processed according to Table 7 1 When in need of technical assistance please contact your supplier Table 7 1 Alarms and troubleshooting Fault Type of faults Possible fault reasons Troubleshooting code Acc time is too short Adjust acc time V F curve setup is not suitable Adjust V F curve E01 Acc over Restart the motor in running Setup start mode as speed tracking restart Torque boost setup is too big Adjust torque boost or set as auto mode VED capacity is too low Select VFD with proper capacity Dec time is too short Adjust Dec time E 02 Potential load or load inertia is too big Add suitable braking device current VFD capacity is too low Select VFD with proper capacity Over current at Load mutation Check load Acc or Dec time is too short Adjust Acc or Dec time E 03 constant speed Input voltage abnormal Check input power supply running Load abnormal check load VFD capacity is too low Select VFD with proper capacity Input voltage abnormal
93. l gt 2 input terminal 6 P24 24V power Supply 24V power negative terminal source COM 10V 10Vpower Supply 10Vpower negative terminal Max Output current 50mA o source GND 5 GND 10Vcommon Grounding of analog signal and 10V 2 port power source Terminal COM and GND are S COM 24Vcommon Digital signal input output common _ Isolated inside Es port port 25 Shenzhen Gozuk Co Limited www gozuk com 3 6 3 Analog Input Output Terminal Wiring 1 Analog voltage signal input through VI terminal as follow wiring GK3000 10V 0 9 0 VI 0 10V o Se GND Shielded cable PE Fig 3 7 VI terminal wiring 2 Analog signal input through CI terminal jumper selection for input voltage 0 10V or input current 4 20mA as follow wiring CI current V GK3000 a 5 10V 1 0 10V 0 R T CI T5 Or4 20mA o V GND PE CI voltage Shielded cable 1 JP3 Fig 3 8 CI terminal wiring 3 Analog output terminal AO wiring Analog output terminal can be connected with external analog meter indicating various physical quantity jumper selection for output voltage 0 10V or output current 4 20mA as follow wiring Analog voltage output I AOI 2 Analog meter Analog current output I AOI Fig 3 9 Analog output terminal wiring 26 Shenzhen Gozuk Co Limited www gozuk com Notes 1 Filter capacitor
94. lays E 28 6 7 Fault Record Function Parameter P6 Group P6 00 Last fault record Range 0 23 0 P6 07 Last 2 fault record Range 0 23 0 P6 08 Last 3 fault record Range 0 23 0 P6 09 Last 4 fault record Range 0 23 0 P6 10 Last 5 fault record Range 0 23 0 P6 11 Last 6 fault record Range 0 23 0 0 No fault 1 17 E 01 E 17 fault refer to Chapter 7 P6 01 Output freq in last fault Rang freq P6 02 set freq in last fault Range Vzupper limit 0 freq P6 03 Output current in last fault Range 0 999 9A 0 P6 04 Output voltage in last fault Range 0 999V 0 P6 05 DC busbar voltage in last fault Range 0 800V 0 P6 06 Module temp in last fault Range 0 100 0 100 Shenzhen Gozuk Co Limited www gozuk com 6 8 Close Loop Running Control Function parameter P7 Z Group Analog feedback control system Input pressure given value by VI and input 4 20mA feedback value of pressure sensor by CI constitute an analog feedback control system through built in PI adjuster shown as Fig 6 32 Breaker Power Pressure sensor FWD STOP command Given 1 3K Fig 6 32 built in PI analog feedback control system P7 00 Close loop running control selection Range 0 1 0 0 Invalid 1 Valid P7 01 Close loop given channel selection Range 0 1 2 0 0 Digital given 1 VI
95. ld figure represents the flashing bit Bg Display MENU Stop run state Enter password Key Unit s place flashing Switch to the Increase to 2 parameters or fault authentication state operation increase to 5 highest bit code display ENTER e gt gt a gt gt Press confirmation key to enter programming Switch to the Increase to 3 Increase to 4 Switch to the second state after authentication third bit bit Fig 4 10 Example of password authentication operation 42 Shenzhen Gozuk Co Limited www gozuk com E Inquiring fault related parameter 1 SEC 1 SEC 1 SEC Display Fault code displaying Fault output frequency 7 um um Fault set frequency Fault output current Key operation 1 SEC 1 SEC 1 SEC P6 06 P6 05 P604 Fault module temperature Fault busbar voltage Fault output voltage Fig 4 11 Example of inquiring fault related parameter Note 1 In fault code display state press gt gt key to inquire P6 group function code parameter The range is from P6 01 to P6 06 After pressing gt key LED first displays function code and 1 second later it displays automatically the value of this function code parameter 2 When inquiring fault parameter press a key to switch back to fault code display state Frequency defined operation by control 1 W keys Suppose it is in stopping state and 0 01 1 the operation is as follow 1 Frequency inte
96. ly be done when the mains are cut off otherwise there is a danger of shock or fire 2 Only qualified personnel can perform wire connection job otherwise there is a danger of shock or fire 3 The earth terminal of VFD must be connected to earth reliably otherwise there is a danger of shock or fire Please use the 3rd grounding method specially for 380V 4 After connects emergency stop terminal please make sure it is effective otherwise there is a danger of injury The user is responsible for the connection 5 Please don t touch the output terminals don t connect the output terminals with the shell don t short connect the output terminals otherwise there is a danger of shock or short circuit 5 Shenzhen Gozuk Co Limited www gozuk com Attention 1 Please confirm the mains supply is in accordance with rated voltage of VFD otherwise there is a danger of injury or fire 2 Please don t make voltage withstanding test to the VFD It may damage the semiconductor and other components 3 Please connect the braking unit or resistance according to the wiring diagram otherwise there is a danger of fire 4 Please use screw drivers with appointed moment of force to tighten the terminals otherwise there is a danger of fire 5 Please don t connect input mains cable with output terminals of U V W It may damage the VFD 6 Please don t connect shifting capacitor or LC RC noise filter with o
97. m guaranteed Be sure to make an enquiry first 8 The electro thermal protective value of motor If the applicable motor is selected as per requirements the VFD can perform the thermal protection to the motor If the ratings of applied motor are not in compliance with the VFD be sure to adjust the protective value to guarantee the safe running of motor 9 Altitude and derating When the altitude is higher than 1000m the cooling effect of VFD is deteriorated because of the rareness of air derating must be considered 1000 2000 3000 4000 Fig 1 4 indicates the relationship between the altitude and rated current of 10 On the level of protection GK3000 VFD protection grade IP20 could be reach when the selection of state display unit or the keyboard 1 4 Notes Regarding Disposal When you dispose VFD pay attention to The capacitors in the main circuits may explode when they are burned Poisonous gas may be generated when front panel is burned Please dispose the VFD as industrial rubbish Shenzhen Gozuk Co Limited www gozuk com Chapter 2 Models and Specifications 2 1 Models GK3000 series VFD has 2 kinds of voltage levels 220V and 380V The range of applicable motor is from 0 4KW to 450KW Models of GK3000 series are shown in Table 2 1 Table 2 1 Models description it Applicabl Voltage level Models Light duty current A motor KW __ n ao ov Commo o
98. m s 0 6G 6 Please try to keep the VFD away from EMI source and other electronic devices which are sensitive to EMI 3 1 2 Mounting Space and Direction 1 Generally in vertical way 2 For the requirements on mounting space and distance refer to Fig 3 1 3 When several VFDs are installed in one cabinet they should be mounted in parallel with special incoming and out coming ventilation and special fans When two VFDs are mounted up and down an air flow diverting plate should be fixed as shown in Fig 3 2 to ensure good heat dissipation 18 Shenzhen Gozuk Co Limited www gozuk com Forced convection More than 200mm More than 100mm n 100mm Tas Tz en Z2 More than 200mm Fig 3 1 Mounting space and distance Fig 3 2 Mounting of multiple VFDs 3 2 Removing and Mounting Front Cover of VFD Removing remove 4 screws on the cover and take the cover out Mounting Align the mounting holes and screw them 3 3 Wire Connection Air flow diverting plate Attention 1 Before wiring please ensure the power has been removed and be waited for at least 10minutes 2 Please do not connect AC power to output terminals U V W 3 To ensure the safety the VFD and motor should be safety grounding It is necessary to use copper wire above 3 5mm as ground wire grounding resistance less than 10Q 4 The VFD has gone through voltage withsta
99. n PID controller parameters should according to the actual demand and system adjustment P7 14 Sampling period Range 0 01 1 00 0 10 Feedback value sampling period P7 15 Deviation limit Range 0 20 0 For loop setpoint maximum allowable deviation as shown in figure 6 37 when the amount of feedback in this range the PI regulator stop adjustment This function is reasonable use contribute to the coordination of system output precision and stability of the contradiction between A Feedback Given value 1 Deviation limit i Time i Output freq i i Time Fig 6 33 Deviation 103 Shenzhen Gozuk Co Limited www gozuk com PID feedback disconnection P7 16 dict ction hiresh ld Range 0 0 20 0 0 0 P7 17 HID disconnected Range 0 3 0 action selection PID feedback disconnection Range action time delay 0 01 5 00second As the PID feedback value below P7 16 set detection threshold the accumulated delay time P7 18 seconds later it is judged to feedback disconnected Feedback after P7 18 1 00 the break action by the parameter P7 17 selection 0 Stop 1 According to the P0 02 setting frequency operation 2 According to upper limit frequency operation 3 According to upper limit frequency half running P7 19 Wake up pressure level Range 0 001 P7 20 0 001 This parameter defines the system from a
100. ncy 1 channel 2I 2V set frequency 2 1I 1V and 21 2 Combination set frequency 3 and 21 2 maximum set frequency When P7 03 2 11I 1V and 21 2 combination set frequency Set the frequency formula Set Frequency Channel 1I 1V separate set frequencyxP7 03 Channel 2I 2V separate set frequencyxP7 04 108 Shenzhen Gozuk Co Limited Set frequency P7 08 P7 06 P7 05 P7 07 Fig 6 35 Inflection point invalid when the frequency setting of the 1 www gozuk com Set frequency P7 08 P7 17 P7 15 P7 06 Input quantity P7 05 P7 14 P7 16 P7 07 Fig 6 36 Inflection point valid when the frequency setting of the 1 input HE Vipower Range 0 01 1 00 0 50 coefficient Range 0 01 1 00 0 50 coefficient When the parameters of P7 02 2 namely the selection of channel 1I 1V and 21 2V combination set frequency Set Frequency Channel 1I 1V separate set frequencyxP7 03 Channel 2 2V separate set frequencyxP7 04 P7 05 11 1V minimum input Range 0 00 1 00 0 10 P7 06 minimun input 0 00 Upper 0 00Hz corresponding to a frequency limit frequency P7 07 11 1V maximum input Range 0 00 1 00 1 00 P7 08 Maximum input Range 0 00 Upper 50 00Hz corresponding to a frequency limit frequency When the P7 13 parameter is set to O which is set to the inflection point is invalid
101. nd test in factory please do not make it again 5 Solenoid switch or absorbing devices such as ICEL is prohibited to connect VFD output 6 To provide input over current protection and for convenience in 9 Shenzhen Gozuk Co Limited www gozuk com maintenance the VFD should be connected to AC power through circuit breaker 7 Please use twisted wire or shielded wire above 0 75mm for the wiring of relay input output loop X1 X6 FWD REV OC DO One end of shielding layer suspended and the other side connected to PE grounding terminal of VED wiring length less than 50m Danger 1 The cover can be removed only when the power is switched off all the LEDs on the panel are off and waiting at least for 10 minutes 2 Wiring work can be performed only when the DC voltage between P and P terminals is lower than 36V 3 Wiring work can only be done by trained or professional personnel 4 Before usage check whether the mains voltage meets the requirement of input voltage 3 4 Main Circuit Wiring Circuit breaker GK3000 X 0 R R AC xX _ 8 power x gt T D Be lt c T i Fig 3 3 Main circuit wiring 20 Shenzhen Gozuk Co Limited www gozuk com 3 4 1 Main Circuit Wiring Main Circuit input output terminals shown as Table 3 1 Table 3 1 Description of Main Circuit input output terminals Terminal function
102. ng time of VFD from factory delivery to present P3 41 waiting time for restart Range 00 0 60 0s 2 0S P3 41 is used for setting waiting time for restart at 0 freq when restart failed adjusting the parameter to restart P3 42 output current of restart 00 0 150 0 100 0 P3 42 is used to limit the maximum output current of restart for protection Displayed P3 43 parameter Range 00 15 00 selection 3 This function is used for LED displayed parameter when VFD running 0 15 relate to monitoring parameter b 01 to b 15 For example output current will displayed on LED when setting P3 43 03 Users can monitor other parameters by pressing gt key Displayed P3 44 parameter Range 00 15 00 selection 4 This function is used for LED displayed parameter when VFD stopping 0 15 relate to monitoring parameter b 01 to b 15 For example output current will displayed on LED when setting P3 44 03 Users can monitor other parameters by pressing gt gt key Non unit display P3 45 x coefficient Range 0 1 60 0 1 0 The function is used for proportional relationship of monitoring parameters b 06 and the output frequency b 06 displayed value output freq xP3 45 P3 46 JOG REV switching Range 0 1 0 81 Shenzhen Gozuk Co Limited www gozuk com This f is used to select the JOG REV key switching Settings are as follows
103. nuous time A _ 1 Sleep level Wake up level Sleep frequency 4 amp Wakeup Fig 6 34 Sleep wake diagram P7 24 Alarm low limit pressure Range 0 001 P7 25 0 001 P7 25 Alarm up limit pressure Range P7 24 P7 27 1 000 As the pressure of a pipe network under lower pressure and the VFD frequency reaches the set upper limit frequency of or all the pump frequency operation indicates that the pipeline under pressure frequency converter can output alarm signal P4 10 or P4 11 is set to 21 then the maximum pressure alarm As the pipeline pressure is greater than the upper limit of pressure and the VFD frequency reaches the set lower limit of frequency indicates that the pipeline pressure frequency converter can output alarm signal This function can be used to determine the pipeline blocking P4 10 or P4 11 is set to 22 is the output of lower pressure alarm 105 Shenzhen Gozuk Co Limited www gozuk com Constant pressure water supply mode 0 Choosing not to constant pressure water supply mode P7 26 Range 0 4 0 1 One for one water supply mode Selection of the constant pressure water supply board 2 A two water supply mode Selection of the constant pressure water supply board 3 A three water supply mode Selection of the constant pressure water supply board 4 A four water supply mode Selection of the constant pressure water supply board Remot
104. og input channel 4 20mA 0 10V 2 optional analog inputs Analog output 4 20mA or 0 10V optional setting frequency and output channel frequency etc can be output Shenzhen Gozuk Co Limited www gozuk com Switch pulse Programmable open collector output relay output 0 20KHz pulse output channel output LED digital display Display setting frequency output voltage output current etc External meter display Display output frequency output current output voltage etc ontro Key lock All the keys can be locked panel Function code parameters are able to be copied between Parameter copy VFDs when use remote control panel Over current protection over voltage protection under voltage Protection function protection overheating protection over load protection etc Optional parts Braking unit remote control panel cable panel mounting feet etc Indoors free from direct sunlight dust corrosive gas oil mist Environment steam water dropper salt etc Enviro Lower than 1000m derating is necessary above 1000m nment 10 C 40 lt 90 RH no condensation Lower than 5 9m s 0 69 20 C 60 C Struct IP20 In the selection of state display unit or the keyboard state ure Forced air cooling Wall mounted 213 Shenzhen Gozuk Co Limited www gozuk com 2 3 Parts of VFD Control panel Control cable exit __ Air intake Mounting hole 2 4 Dimensions
105. ollow Setting freq Fmax Amin Amax Amin Amax 1 Positive effect 2 Negative effect A Ci given Amin min given Fmin Corresponding freq to min given Amax max given Fmax Corresponding freq to max given The relationship between input pulse frequency and setting frequency as follow Setting freq Setting freq Fmax Fmax Fmin Fmin Amin Amax Amin Amax 1 positive effect 2 negative effect A PULSE given Amin min given Fmin corresponding freq to min given Amax max given Fmax corresponding freq to max given 6 3 Start Brake Function Parameter P2 Group 2 00 Start running mode Range 0 1 2 0 0 The VFD starts from start freq P2 01 and keeps running at start freq for a duration defined as start freq running duration P2 02 1 The VFD brakes first by DC brake current P2 03 and brake time P2 04 and then starts from start frequency 2 The VFD restarts again after speed tracking which is available for power restored after momentary power failure and restart after fault reset 27152 Shenzhen Gozuk Co Limited www gozuk com Freq Hz Fmax Start freq time t start freq running duration Fig 6 9 Speed tracking restart Fig 6 10 Start freq and running duration Note 1 Start running mode 0 It is suggested to use mode 0 in general applications and when to drive synchronous motor 2 Start running mode 1 It is suitable to small inertia loads which have FWD or
106. operate the VFD 2 Serial port control mode Operate the VFD via serial port RS485 in remote control mode Note Running command mode can be switched by changing P0 03 parameter in stopping or running state Please use this function in caution Running direction setting This function is effective in panel control mode terminal control mode and serial P0 04 Range 00 11 0 port control mode LED unit s place 0 Running forward 1 Running reverse LED ten s place 0 Reverse allowed 1 Reverse prohibited FWD REV dead 0 05 sa Range 0 0 120 0s 0 0s time In switching process between forward Output frequency and reverse running the transition time as Fig 6 1 t1 is defined as FWD REV dead time The outputs 0 freq during transition time Fig 6 1 FWD REV dead 63 Shenzhen Gozuk Co Limited www gozuk com P0 06 Max output freq range 50 00Hz 500 0Hz 50 00Hz P0 07 Basic running freq range 1 00Hz 500 00Hz 50 00Hz P0 08 Max output voltage range 1 480V Rated voltage Max output freq is the highest output frequency allowed shown as Fig 6 2 Fmax Basic running freq is the lowest output frequency as VFD outputs the highest voltage Generally it is motor rated frequency shown as Fig 6 2 FB Max output voltage is the output voltage as VFD outputs basic running frequency Generally it is motor rated voltage shown as Fig 6 2 Vmax Output
107. or common mode inductor can be installed between VI and GND terminal or CI and GND terminal when using analog input mode 2 Please use shielded cable and do well grounding keep the wire as short as possible in order to prevent external interference when using analog input output mode 3 6 4 Communication Terminal Wiring The VFD supplies standard RS 485 communication port It can constitute a single host single slave control system or a single host multi slaves system The upper computer PC PLC can real time monitor the VFD in the control system and achieve complicated control function such as remote control and supermatic etc 1 Remote control panel can be connected with VFD via RS485 port by plugging in the remote control panel into RS485 port without any parameter setting The local control panel of VFD and remote control panel can work at the same time 2 VFD RS485 port and upper computer wiring as follow PC PLC RS485 RS232 Converter RS232 DB9 7 i Shielded wire Signal Pin number Terminal description Terminal name SV power source GK3000 Terminal name Signal terminal Signal terminal Fig 3 10 RS485 RS485 232 RS232 communication wiring ss Shenzhen Gozuk Co Limited www gozuk com 3 Multi VFDs can be connected together via RS485 controlled by PC PLC as a host shown as Fig 3 12 It also can be controlled by one of VFDs as a hos
108. ord is entered correctly it goes to parameter edit state Select function code 119 Shenzhen Gozuk Co Limited www gozuk com P9 14 P9 14 0000 now enter a new password and press ENTER DATA key to confirm it the new password will be valid immediately The super user password is 2644 6 12 Vector Control Parameter PA Group Motor parameter 00 self learning function Range 0 1 0 0 Inaction 1 Resting self learning When the 00 1 settings VFD show FUNO then press FWD key operation converter then start motor VFD parameter self learning frequency converter keyboard display FUN1 since after learning converter automatic shutdown since learning is complete PA 01 Motor rated voltage Range 0 400V Depends on model type PA 02 Motor rated current Range 0 01 500 00A Depends on model type PA 03 Motor rated frequency Range 1 500Hz Depends on model type PA 04 ind rated rotating Range 1 9999 r min ype 05 Motor poles number Range 2 16 Depends on model type PA 06 Motor stator inductance Range 0 1 5000 0mH Depends on model type PA 07 Motor rotor inductance Range 0 1 5000 0mH Depends on model type M and roor a USE S000 oe mutual inductance PA 09 Motor stator resistance Range 0 001 50 0000 Depends on model type PA 10 Motor rotor resistance Range 0 001 50 0000 Depends on model type PA 01 PA 10 are defined a
109. own as Fig 6 41 4 ES Lodi RUN command Fig 6 41PLC running at final frequency 113 Shenzhen Gozuk Co Limited www gozuk com i 1 PLC running lA Fy 2 T3 T4 T5 6 T7 T First cycle Second cycle Running command Stopping command Fig 6 42 PLC continuous cycle 3 Continuous cycle The VFD automatically starts a new cycle after one cycle finish until receiving stopping command shown as Fig 6 43 LED ten s place PLC restart mode selection 0 Restart from the first stage after stop caused by stopping command fault or power failure 1 Restart from the freq of break stage After stop caused by stopping command or fault the VFD will record the running time completed of restarts from break stage and runs at set freq of break stage in rest time of break stage shown as Fig 6 43 114 Shenzhen Gozuk Co Limited www gozuk com Output freq Hz Break signal Time t Completed rumning time Rest time al Acc time of stage 1 a2 Acc time of stage 2 a3 Acc time of stage 3 d2 Dec time of stage 2 F1 freq of stage 1 F2 freq of stage 2 F3 freq of stage 3 Fig 6 43 PLC restart mode 1 LED hundred s place PLC state parameter save mode selection 0 No save VFD don t save PLC running state after power failure and restart from the first stage 1 Save VFD saves PLC running
110. q Upper limit Freq 0 01Hz 30 00Hz 3 30 Multi stage Freq 5 Lower limit Freq Upper limit Freq 0 01Hz 40 00Hz 3 31 Multi stage Freq 6 Lower limit Freq Upper limit Freq 0 01Hz 45 00Hz 3 32 Multi stage Freq 7 Lower limit Freq Upper limit Freq 0 01Hz 50 00Hz 3 33 Jump Freq 1 0 00 500 00Hz 0 01Hz 0 00Hz x 3 34 Jump Freq lrange 0 00 30 00Hz 0 01Hz 0 00Hz x 3 35 Jump Freq 2 0 00 500 00Hz 0 01Hz 0 00Hz x 3 36 Jump Freq 2range 0 00 30 00Hz 0 01Hz 0 00Hz x 3 37 Reserved 0000 9999 1 0000 x Zero frequency DC 3 38 0 0 15 0 0 1 0 0 x braking voltage 3 39 Set running time 0 65 535K hour 0 001K 0 000K 3 40 Total running time 0 65 535K hour 0 001K 0 000K Slow down and 3 41 M 00 0 60 0 0 15 02 05 start wait time Inspection speed and start the 3 42 00 0 150 0 0 1 100 0 o maximum output current leve Running display 3 43 7 00 15 1 00 parameter selection Stop displa display 00 15 1 00 o parameter selection2 No unit display 3 45 s 0 1 60 0 0 1 29 0 o coefficient JOG REVS 0 Select the JOG point operation 3 46 HR H 1 0 x witching control 1 Select the REV reverse operation P4 Group Terminal control function parameter Func Min Factory Name Range Change Code Unit default 0 Idle terminal Input terminal X1 1 Multi stage speed control terminal 1 P4 00 i n function selection 2 Multi stage speed control terminal 2 3 Multi stage speed control terminal 3 50
111. rminal control mode 23 24 Running control mode selection The running control mode can be switchable by the ON OFF combination of these 2 control terminals shown as Table 6 5 For this function and P0 03 defined function the later set one is prior to previous one Table 6 5 running control mode selection logical mode Running control mode selection 2 Running control mode selection 1 Running control mode selection OFF OFF Maintaining running control mode OFF ON Control panel control mode ON OFF Terminal control mode ON ON Serial port control mode 25 Swing freq start mode selection In swing frequency manual start mode the swing frequency running will be effective as this terminal is effective refer to P9 Group 26 Swing freq running reset In swing frequency running mode no matter it is in manual or automatically start mode by closing this terminal it will clear the recorded data of swing frequency running The swing frequency running will restart by disconnecting this terminal refer to P9 Group 27 Close loop invalid In close loop running state this function can invalidate the close loop running and the VFD will switch to lower priority running mode Note only in the closed loop operation P7 00 1 it can be switched between the 87 Shenzhen Gozuk Co Limited www gozuk com closed loop and low level operating mode 28 Simple PLC running pause command
112. s motor parameter The has its own factory default set parameter which depends on model type User is able to reset above parameter according to parameter of motor used These parameters should be entered correctly otherwise the vector control function can t achieve desired control effect Overcurrent protection PA 11 coefficient of torque current Range 0 15 15 In vector control mode this function is used for controlling torque current as to prevent 120 Shenzhen Gozuk Co Limited www gozuk com overcurrent The range of 0 15 correspond to 50 200 Proportion adjustment PA 12 R 50 12 5 coefficient of speed deviation oe 0 I j ffici PA 13 ntegral adjustment coefficient Range 100 500 360 of speed deviation In vector control mode PA 12 PA 13 are used for controlling motor rotating speed It can achieve better motor speed control effect by proper adjustment of these two function parameter PA 14 Vector torque boost Range 100 150 100 In vector control mode this function is used to boost output torque of motor It can properly increase this parameter in application with heavy load as to boost output torque of motor 6 13 Factory Function parameter PF Group PE 00 Factory function Range 0000 9999 0000 Factory function user no needs to amend it 21 Shenzhen Gozuk Co Limited www gozu
113. s place as follow LED unit s place frequency setting 0 Multi stage frequency i i 1 7 defined by P3 26 P3 32 1 Freq defined by P0 01 function code LED ten s place running direction selection 0 Forward 1 Reverse 2 Controlled by running command LED hundred s place Acc Dec time selection Ankh Acc Dec time 1 Acc Dec time 2 Acc Dec time 3 Acc Dec time 4 Acc Dec time 5 Acc Dec time 6 Acc Dec time 7 116 Shenzhen Gozuk Co Limited www gozuk com 6 11 Swing Frequency Function Parameter P9 Group Swing frequency running is used in textile chemical fiber industry etc and in application which needs traverse drive and winding The typical application is shown as Fig 6 45 The swing frequency process is normally as follow Firstly it accelerates to preset swing freq P9 02 in set Acc time and waiting for a while P9 03 then after goes to swing center frequency in set Acc Dec time finally it enters into swing freq cycle running in set swing amplitude P9 04 kick freq P9 05 swing freq cycle P9 06 and delta wave ascent time P9 07 until receiving stop command to stop in set Dec time The swing center frequency comes from set frequency of normal running multistage speed running or PLC running The swing freq running will be invalid automatically as JOG running or close loop running mode starts When PLC running works together with swing freq running the swing frequenc
114. s slave OR PLC as host 232 485 Conversion RS232 232 485 Conversion RS485 GK3000 Single host Single host Multi slaves Single slaves Fig 9 1 Networking of slaves 128 Shenzhen Gozuk Co Limited www gozuk com 2 The networking of multi machine interaction Host GK3000 RS485 Slave GK3000 Slave GK3000 Slave GK3000 Slave GK3000 Fig 9 2 The networking of multi machine interaction 9 2 2 Communication protocol The VFD can either used as a host or slave in RS485 network It can be used for controlling our other VFDs as host to achieve multi level linkage or controlled by host PC or PLC as a slave The specific communication mode as follows 1 is used as slave in point to point communication of master slave mode Host sends commands from broadcast address while slave does not answer 2 VFD is used as host sending commands from broadcast address while slave does not answer 3 The address baud rate and data format of the VFD can be set up by using the keyboard or the serial communication 4 Message of error is reported by slave in the recent response frame against host polling 9 2 3 Communication Interface The communication is using RS485 interface with asynchronous serial and half duplex transmission The default communication protocol in ASCII mode The default data format 1 start bit 7 data bits 2 stop bits The default rate is 9600bps Communicat
115. s to save energy Output Volt V 4 Vmax 0 Vmax max output voltage basic running Freq i Fy Fig 6 7 V F curve 68 Output Freq Hz Shenzhen Gozuk Co Limited Volt 100 V3 V2 VI Vb Fig 6 8 customized V F curve Fl F2 F3 0 22 4 Customized V F curve shown as Fig 6 8 Fb www gozuk com Freq Hz User can define V F curve through revising V1 F1 V2 F2 V3 F3 so as to meet special load requirements Torque boost is available for customized curve Vb Torque boost P0 09 x V1 6 2 Frequency Setting Function Parameter P1 Group P1 00 Analog filtering time constant Range 0 01 30 00s 0 20s When adopts frequency external analog channel setting mode the time constant for VFD filtering sampling value called as analog filtering time constant When longer wiring or serious interference cause setting frequency unstable increase this time constant to make improvement The longer filtering time it has the stronger anti interference ability but slower response The shorter filtering time it has the quicker response but weaker anti interference ability P1 01 VI channel gains Range 0 01 9 99 1 00 P1 02 VI min given Range 0 00 P1 04 0 00V P1 03 Corresponding freq to VI Range 0 00 upper limit 0 00Hz min given freq P1 04 VI max given Range P1 04 10 00V 10 00V P1 05 Comespending
116. t shown as Fig 3 13 485 P GK3000 GK3000 485 PE Fig 3 13 Multi VFDs communication The more VFDs connected the more serious the communication interference becomes Please make wiring as above and do well grounding for VFDs and motors or adopt the following measures to prevent interference as even above wiring can t work 1 Separately power supply to PC PLC or isolated the power of PC PLC 2 Use EMIFIL to the wire or reduce carrier frequency properly 28 Shenzhen Gozuk Co Limited www gozuk com 3 7 EMC Installation Instruction outputs PWM wave it will produce electromagnetic noise To reduce the interference EMC installation will be introduced in this section from noise suppression wire connection grounding leakage current and filter of power supply 3 7 1 Noise Suppression 1 Noise Type Noise is unavoidable during VFD operation Its influence over peripheral equipment is related to the noise type transmission means as well as the design installation wiring and grounding of the driving system Noise type TOME Circuit conducted Space conducted Electromagnetic Static inducted noise inducted noise Path Path OS By grounding Loop of leakage current Path Path Motor cable radiated noise f Power cable radiated noise Inverter radiated noise Path Path 9 Path 29 Shenzhen Gozuk Co Limited www gozuk com 2 Noise
117. t waiting for the next frame data CRC checksum calculation method reference to MODBUS protocol specification Communication protocol parameter definition definition Parameter address Function description Internal setting parameters GGnnH GG means parameter group nn means parameter number 0001H RUN 0002H FWD 0003H REV 0004H JOG Commands to VFD 2000H 0005H FWD JOG 06H 0006H REV JOG 0007H DEC and STOP 0008H STOP 0009H JOG STOP 135 Shenzhen Gozuk Co Limited www gozuk com 000 RESET 2001H Freq setting 2100H Read ERROR code State of VFD BITO STOP signal 0 STOP 1 RUN BITI Under voltage signal 1 Under voltage 0 Normal BIT2 FWD REV signal 1 REV 0 FWD BIT3 JOG signal 1 JOG 0 NON JOG BIT4 Close loop control 1 Close 0 Non close Monitoring VFD BITS swing freq signal 1 swing 0 non swing 03M 21018 BIT6 PLC run signal 1 PLC run 0 non PLC BIT7 terminal multi stage speed 1 multi stage 0 non multi stage BITS normal running 1 normal 0 non BIT9 Freq from comm 1 yes 0 no BIT10 Freq from analog input 1 yes 0 no BIT11 run commands from comm 1 yes 0 no BIT12 parameter password protection 1 yes 0 no 2102H Read Freq setting 2103H Read output Freq 2104H Read output current 2105H Read bus voltage 2106
118. tal setting by function code via control panel 3 via terminal UP DOWN 4 by upper computer via serial port 5 analog setting via VI terminal 232 Shenzhen Gozuk Co Limited www gozuk com 6 analog setting via CI terminal 7 via pulse terminal 8 combination setting 4 1 3 VFD Running States There are two VFD running states which are stopping state and running state Stopping state The VFD is in stopping state before running control command is accepted after the power is on or deceleration to stop Running state After running control command is accepted the enters running state 4 1 4 The Running Modes of VFD There are five running modes according to priority which are JOG running close loop running PLC running multi stage speed running normal running as shown in Fig 4 1 0 JOG running In stopping state after receiving JOG running command the VFD will run according to JOG frequency for example by pressing control panel key to give JOG command refer to function code P3 06 P3 08 1 Close loop running By setting close loop running control parameter effective P7 00 1 the VFD will enter close loop running that is PI regulation refer to function code P7 To make close loop running invalid please set multifunctional input terminal function27 and switch to lower level running mode 2 PLC running By setting PLC function parameter effective P8 00 units 0 the VFD will enter PLC running mod
119. tart 15 VFD fault When fault occurs in the running state it outputs index signal 16 Start freq running time 17 DC brake time when start 18 DC brake time when stop 19 Swing freq upper lower limit In swing frequency running mode if the fluctuation range of swing frequency calculated according to center freq exceeds upper limit freq P0 19 or below lower limit freq P0 20 it outputs index signal 92 Shenzhen Gozuk Co Limited Swing freq limit Fig 6 25 swing freq upper lower limit www gozuk com Upper limit freq 20 Set running time arrival When VFD total running time P3 40 reaches set running time P3 39 it outputs index signal 21 upper pressure alarm signal On closed loop control VFD output alarm signal when the pipeline pressure is greater than the upper limit of pressure 22 Lower pressure alarm signal On closed loop control VFD output alarm signal when the pipeline pressure is lower than the lower limit of pressure P4 14 Freq arrival detection range FAR Range 0 00 50 00Hz 5 00Hz This function is a complement to function 1 listed in Table 6 6 When output frequency is in the detection range of set frequency it outputs pulse signal shown as Fig 6 25 93 Shenzhen Gozuk Co Limited www gozuk com Set freq Detection range time Fig 6 26 Freq arrival detection range
120. tary power failure inaction If there occurs momentary power failure LED displays E 11 in VFD running state when power comes back the VFD will automatically execute tracking speed restart mode after waiting for time set by P5 08 During the waiting time even there is a running command inputting the VFD will not restart If stopping command is input at that time the VFD will cancel tracking speed restart P5 09 Fault self recovery times Range 0 10 0 P5 10 Self recovery interval time Range 0 5 20 0S 5 0S During VFD running fault may occur accidentally and VFD output may stop due to load fluctuation At the moment user may use fault self recovery function in order not to stop running of equipment driven by VFD In the process of self recovery the VFD will execute tracking speed restart mode If the VFD fails to restart successfully in set times defined by P5 10 it will execute fault protection and stop output 99 Shenzhen Gozuk Co Limited www gozuk com Note 1 This function is used on condition that the VFD has no substantial fault and self recovery function is allowed by equipment 2 This function is invalid to fault protection due to overload or overheat Output missing phase 5 11 protection Range 0 1 0 0 Inaction 1 Action Note U phase missing protection displays E 26 V phase missing protection displays E 27 W phase missing protection disp
121. unication fault Press STOP key to reset or contact RESET E 15 Communication supplie fault Improper fault alarm parameter setting Revise function code P3 09 P3 12 Upper computer doesn t work Check upper computer and connecting cable Serious interference Press STOP key to reset or install System RESET E 16 input power source filter interference DSP read write error Reset or contact supplier E PROM Read write error of control press STOP key to reset or install E 17 RESET error parameter input power source filter Motor parameter Power range of Motor VFD do Contact supplier over current fault not match press STOP key to reset Input phase One of R S T port has no voltage press RES EU key to reset loss protection check voltage of R S T E 20 Over current fault when restart Over current when restart and check speed press key to reset adjust relevant parameters 124 Shenzhen Gozuk Co Limited www gozuk com 7 2 Fault Record Search This series VFD record the fault codes occurred in the last 6 times and VFD running parameter when last fault occurred The fault information is saved in P6 group 7 3 Fault Reset When fault occurred please select the following methods to recover 1 When fault code is displayed after ensure it can be reset press key to reset 2 Set any one of X1 X8 terminal as external RESET input P4 00 P4
122. utput loop It may damage the VFD 7 Please don t connect solenoid switch or solenoid contactor with output loop When VFD is running with load the action of such switch and contactor will cause surge current It may trigger over current protection of VFD 8 Please just disassemble the terminals cover when wiring don t disassemble the front cover of VFD It may damage the VFD Shenzhen Gozuk Co Limited www gozuk com Maintenance and inspection Danger 1 Please do not touch the control terminals when it is live otherwise there is a danger of shock 2 Please make sure the terminals cover is assembled before power up Before disassembling the terminals cover please make sure the power is cut off otherwise there is a danger of shock 3 Only qualified personnel can perform the maintenance and inspection job otherwise there is a danger of shock Attention 1 The keyboard control circuit board and driver circuit board were integrated with CMOS circuit Please be careful when using Please do not touch these circuit boards by fingers 2 Please don t change the cable connection when power on 1 3 Notes on Usage In the use of GK3000 series VFD please pay attention to the following points 1 Constant torque low speed running When the VFD outputs to a common motor at low speed for a long term the output rated torque should be derated due to the worsening radiating effect If low speed
123. vel continuous 7 21 0 250s 15 Os o time 7 22 Sleep frequency 0 00 400 0Hz 0 01Hz 20 00Hz o Sleep frequency 723 EH 0 250s is 0s continuous time 7 24 Low alarm limit pressure 0 001 P7 25 0 001Mpa 0 001Mpa 7 25 The alarm limit pressure P7 24 P7 27 0 001Mpa 000 o 0 Choosing not to constant pressure water supply mode 1 With a constant pressure water supply mode Constant pressure water 2 A two constant pressure water suppl x 1726 onstant pressure water wo constant pressure water supply 0 supply mode mode 3 A three constant pressure water supply mode 4 A four constant pressure water supply mode Remote pressure gauge P7 27 P 0 001 20 000Mpa 0 001Mpa 1 000Mpa o range P7 28 Multi pump operation 0 mised sequence aed i 0 mode 1 Timing of the rotation P7 29 Rotation in timed intervals 0 5 100 0H 0 1H 5 0H Pump switching P7 30 F 0 1 1000 0s 0 15 300 05 judgment time 56 Shenzhen Gozuk Co Limited www gozuk com Electromagnetic P7 31 EN 0 1 10 0s 0 15 0 55 switching delay time unit s place 0 PID Control action PID Control of positive 1 PID Control reaction 1735 and negative role and ten s place i 00 3 feedback pressure error 0 Feedback pressure less than the actual polarity pressure 1 Feedback pressure is greater than the actual pressure Feedback error of P7 33 pressure adjustment 0 001 20 000Mpa 0 001Mpa 0 000Mpa x coefficient Closed f preset P7
124. vel current 2 P4 23 X VFD rated current after the delay time set by P4 24 the open collector outputs valid signal shown as Fig 6 28 refer to P4 11 current 1 P4 25detection level 1 P4 26time le time effective i time Fig 6 29 overload alarm 96 Shenzhen Gozuk Co Limited www gozuk com 6 6 Protection Function Parameter P5 Group Motor overload protection mode selection This parameter defines the VFD protection mode in the case of overload over P5 00 Range 0 1 0 current 0 Stop outputting In the case of overload over current the VFD will stop outputting at once and the motor will go to free stopping 1 Inaction Without overload protection to load motor please use this function in caution Motor overload protection P5 01 0 coefficient Range 20 120 100 This parameter is used for setting sensitivity of thermal relay protection to load motor When motor output current doesn t match VFD rated current by setting this parameter it could get correct protection to motor shown as Fig 6 30 P5 01J _ x100 VED rated output current time 4 P5 01 250 6 5 01 100 1min current kagi 55 110 150 G 105 120 P Fig 6 30 Thermal relay protection Note When one VFD drives multi motor in linkage running the thermal relay protection will be out of action Please install thermal relay to e
125. y will be invalid during switch of PLC stage and it will go to PLC set frequency according to PLC Acc Dec setting then after swing frequency restarts When stopping command is received it will decelerate to stop in PLC Dec time Swing amplitude Aw Pset X P9 04 Running freq Upper limit freq Centre freq Lower limit freq Preset swing freq Kick freq Aw X P9 05 Waiting timeP9 03 Acc in set Adc time i E gt i Swing freq cycle i i Delta wave ascent time Time P9 06 P9 07 i Dec inset Dec time Running command i Stopping command Fig 6 44 Swing frequency running 117 Shenzhen Gozuk Co Limited www gozuk com P9 00 Swing freq selection Range 0 1 0 0 Inaction 1 Action P9 01 Swing freq running mode Range 0000 1111 0 LED unit s place start mode 0 Auto start It keeps running at preset swing frequency P9 02 for a while P9 03 after start then after automatically enters into swing frequency running state Function 25 of 1 Manual start by terminal When multifunctional terminal is valid Xi it enters into swing frequency running state When terminal is invalid it quits from swing frequency running and keeps running at preset swing frequency P9 02 LED ten s place swing amplitude control 0 Variable swing amplitude Swing amplitude AW changes according to center freq refer to P9 04 1 Fixed swing ampl
126. y given by UP DOWN terminal 90 Shenzhen Gozuk Co Limited www gozuk com P4 10 2 way open collector output Range 0 22 0 terminal OC 1 P4 11 2 way open collector output Range 0 22 0 terminal OC 2 P4 12 Relay output selection Range 0 22 0 P4 13 Relay output selection Range 0 22 0 Open collector output terminal Table 6 6 is for function optional parameters Table 6 6 Output terminal function selection content function content function 0 VED is running RUN 1 PLC running cycle finish 1 Freq arrival signal FAR 2 Set counts arrival 2 Freq level detected signal FDT1 13 Specified counts arrival 3 reversed 4 VED ready for running RDY 4 Overload pre alarm signal OL 15 VED fault 5 Under voltage locking LU 6 Start freq running time 6 External faults stopping EXT 7 DC brake time when start 7 Output freq upper limit FH 8 DC brake time when stop 8 Output freq lower limit FL 9 Swing freq upper lower limit 9 in 0 speed running 20 Set running time arrival 10 Simple PLC stage running finish 21 Upper pressure alarm signal 22 Lower pressure alarm signal The description of function listed in Table 6 6 as follow 0 VFD in running RUN In the running state it outputs index signal 1 Freq arrival signal FAR Please refer to P4 12 2 Freq level detected signal FDT1 Refer to P4 11 P4 12
127. zhen Gozuk Co Limited www gozuk com Chapter 1 Introduction 1 1 Unpacking Inspection Upon unpacking please confirm the following Any damage occurred during transportation Check whether the model and specifications on the nameplate of are in accordance with your order If there is any error please contact us or distributors Model Description GK3000 4 0015 X GK VFD Code VFD type G Constant torque Voltage level Code P Fan pump type 220V 2 SN Code Motor Power 0007 0 75KW Input voltage Code 0015 1 SKW Single phase S 0075 7 5SKW Three phase T Fig 1 1 VFD model description The model and specifications on the name plate of VFD on the bottom right of VFD 1 2 Safety Rules Inspection Inspection 1 Please do not install the damaged VFD otherwise there is a danger of injury Shenzhen Gozuk Co Limited www gozuk com Installation Inspection 1 Handling please hold the bottom of the body otherwise there is a danger of a body falling foot injury 2 Please install the VFD on metal or other nonflammable material otherwise there is a danger of fire 3 Please install cooling fans when two VFDs are installed in a same cabinet keep the air intake temperature under 40 C otherwise there is a danger of fire Cable connection and distribution Danger 1 Wire connection job can on

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