Page 1: ...Website HANGZHOU SAKO FREQUENCY TECHNOLOGY CO LTD Add 4F Building 9 5 Yaojia Rd Hangzhou China Tel 0571 88183319 Fax 0571 88183319 Web www sakohz com E mail sales sakohz com...
Page 2: ...SIAAKO Mini Vector Inverter SKI780 Please read this manual carefully before use and keep it for future reference I SAKO Always Online...
Page 3: ......
Page 4: ...e Oe e ooo MANUAL Mini Vector Inverter...
Page 5: ...tact our customer service or technical support our professional will serve you wholeheartedly This manual provides information about SKI780 series frequency inverters including oO O00 0 Safety informa...
Page 6: ...ze Diagram 3 2 Product Installation Diagram Chapter 4 Wiring Instructions 4 1 Interface and Terminal Instructions 4 2 Reference Wiring Diagram Chapter 5 Operation Panel 5 1 Appearance Diagram 5 2 Indi...
Page 7: ...ck Make sure that the earth terminal of the inverter is grounded reliably Otherwise there ts a risk of electric shock Do not contact with the internal components and circuits of the frequency inverter...
Page 8: ...ne through the same pipe and do not tie them together Frequency inverter must be matched with the asynchronous motor and maintain good heat dissipation conditions Do not touch the heat sink and brake...
Page 9: ...ne the following tems carefully Whether the type of frequency inverter Is correct Whether the appearance is damaged 2 1 Designation Rules skir0 202 4 Input Level 1 1 phase 220V 4 3 phase 380V Power 0D...
Page 10: ...5 0 3 8 15 2 SKI780 2D2 4 4 0 5 8 5 1 2 2 3 2 3 Installation Environment Requirements oOo OO O00 Ingress Protection Grade IP20 Installation Height The maximum ts 1000 m 3280 ft at sea level If the in...
Page 11: ...Chapter 3 Installation Guide 3 1 Installation Dimension Diagram of Outer panel 05 wwwsakohzcom...
Page 12: ...3 2 Product Dimension Diagram Installation Diagram www sakohzcom 06...
Page 13: ...r terminal supply 220V single phase connect R T P PB Pian les etor Connect brake resistor terminal U V W Output terminal Connect three phase motor Earth terminal Grounding Connection Table 4 1 Interfa...
Page 14: ...es power supply to DI DO 24V GND power supply terminals and external sensors Maximum output current 200mA Input range DC OV 10V OmA 20mA decided Anolog Anolog input by P4 39 Input pUOND terminal 1 Res...
Page 15: ...ut current range 0 50 mA FM GND High speed pulse output It 1s limited by F5 00 FM terminal output mode selection As high speed pulse output the maximum frequency hits 20 kHz As open collector output i...
Page 16: ...Input 2 Multifunctional Temnnana Input 3 Multifunctional Terminal Signal Input 4 High Speed Pulse Input HD an bl4 Oovowe aima Communication RS485 DIS GND 10V All Al2 GND Braking Resistor GND AOIO FM...
Page 17: ...e AC drive is in the stop state LOC It indicates whether the AC drive is operated by means of operation panel terminals or communication F R ON indicates reverse rotation Hz A V Unit Indicators It ind...
Page 18: ...rease data or function code Select the displayed parameters in turn in the stop SHIFT Shift or running state and select the digit to be modified when modifying parameters ENTER Confirm Enter the menu...
Page 19: ...odified when the AC drive ts in either stop or running state x The parameter cannot be modified when the AC drive is in the running state The parameter Is the actually measured value and cannot be mod...
Page 20: ...03 sourceX 3 Al2 local potentiometer 3 selection 4 Panel potentiometer external keyboard potentiometer 5 HDI pulse setting DI5 6 Multi command T Simple PLC 8 PID 9 Communication setting punlary The sa...
Page 21: ...chover between Y and X and Y selection operation Ten s digit X and Y operation relationship 0 X 1 X Y 2 Maximum 3 Minimum P0 08 i 0 00Hz maximum frequency P0 10 50 00Hz x requency Rotation 0 Same dire...
Page 22: ...16 adjustment with L y 1 Ww Yes temperature 0 00s 650 00s P0 19 2 Model P0 17 Acceleration time1 0 0s 6500 0s P0 19 1 A o Os 65000s P0 19 0 SPEneen 0 00s 650 00s P0 19 2 Model P0 18 Decelerationtime1...
Page 23: ...on 2 Running frequency 0 d 1 Set frequency uring running Unit s digit Binding operation panel command to frequency source 0 No binding 1 Frequency source by digital setting 2 All 3 Al2 4 Panel potenti...
Page 24: ...ted motor 1V 2000V Model a voltage dependent P1 03 Rated motor 0 01A 10 00A Model te current AC drive power 2 2kW dependent P1 04 Rated motor 0 01Hz maximum frequency More frequency dependent Rated mo...
Page 25: ...f gain 2 P2 04 Speed loop integral time 2 0 01s 10 00s 1 00s Ww P2 05 Switchover frequency 2 ee 10 00Hz w output frequency P2 06 Vector control slip gain 50 200 100 Ww p2 07 Timeconstantofspeed 4 999...
Page 26: ...stment 0 60000 2000 we proportional gain p2 14 Excitation adjustment 0 60000 1300 se integral gain pass Trae adiusonent 0 60000 2000 x proportional gain pag lomqueadiuetment 0 60000 1300 r integral ga...
Page 27: ...Ww 0 1 30 0 P P3 02 Cut off frequency of torque 0 00Hz maximum 50 OOHz es boost frequency P3 03 Multi point V F frequency 1 0 00Hz P3 05 0 0OHz P3 04 Multi point V F voltagel 0 0 100 0 00 P3 05 Multi...
Page 28: ...UP 7 Terminal DOWN 8 Coast to stop 9 Fault reset RESET 10 RUN pause 11 Normally open NO input of external fault 12 Multi reference terminal 1 13 Multi reference terminal 2 14 Multi reference terminal...
Page 29: ...verse PID action direction 36 External STOP terminal 1 37 Command source switchover terminal 2 38 PID integral pause 39 Switchover between main frequency source X and preset frequency 40 Switchover be...
Page 30: ...P4 13 10 00V 10 00V pag Corresponding setting ofAl 149g 100 0 100 0 x curve 1 maximum input P4 17 All filter time 0 00s 10 00s 0 10s w P4 18 Alcurve2 minimum input 0 00V P4 20 0 00V Ww pa 1g Correspon...
Page 31: ...nimum input HDI maximum P4 30 P4 28 100 00kHz 50 00kHz Ww Input Corresponding p41 SetNEOFHD _109 0 100 0 1000 4 pulse maximum input P4 32 HDI filtertime 0 00s 10 00s 0 10s Ww Unit s digit All curve se...
Page 32: ...Hundred s digit Setting for Al3 less than minimum input 0 1 same as All P4 35 Dil delay time 0 0s 3600 0s 0 0s P4 36 DI2 delay time 0 0s 3600 0s 0 0s P4 37 DI3 delay time 0 0s 3600 0s 0 0s 0 High leve...
Page 33: ...detection FDT1 output 4 Frequency reached 5 Zero speed running no output at stop 6 Motor overload pre warning T AC drive overload pre warning 8 Set count value reached 9 Designated count value reache...
Page 34: ...output 26 Frequency 1 reached output 27 Frequency 2 reached output 28 Current 1 reached output 29 Current 2 reached output 30 Timing reached output 31 All input limit exceeded 32 Load becoming 0 33 Re...
Page 35: ...mmunication setting 13 Motor rotational speed P5 07 AO1output 14 Output current 100 0 0 gt function selection corresponds 1000 0A 15 Output voltage 100 0 corresponds 1000 0V 16 Output torque actual va...
Page 36: ...ronous o motor Rotational 0 From frequency at stop P6 01 speedtracking 1 From power frequency 0 mode 2 From maximum frequency Rotational P6 02 speedtracking 1 100 20 Ww speed Startup P6 03 0 00Hz 10 0...
Page 37: ...proportion of S curve 9 99 100 P6 09 30 0 start segment p69 me proportion of S curve 4 go _ 19994 6 08 30 0 end segment 0 Decelerate to stop P6 10 Stop mode 1 Coast to stop 0 Ww P6 11 Initial frequenc...
Page 38: ...OG P7 02 STOP RESET key function 0 STOP RESET key enabled only In operation panel control 1 STOP RESET key enabled in any operation mode P7 03 LED display running parameters 1 0000 FFFF Bit00 Running...
Page 39: ...tion V Bit08 Linear speed Bit09 Current power on time Hour Bit10 Current running time Min Bit11 HDI setting frequency Hz Bit12 Communication setting value Bit13 Encoder feedback speed Hz Bit14 Main fr...
Page 40: ...T OT aC drive IGBT eee e P7 09 Accumulative running Oh 65535h e time Unit digit U0 14 decimal number 0 0 decimal place 1 1 decimal place Number of decimal 2 2d pl P7 12 places for load speed sval Niac...
Page 41: ...time 2 0 0s 6500 0s Model dependent P8 05 Acceleration time 3 0 0s 6500 0s Moat w dependent Model P8 06 Deceleration time 3 0 0s 6500 0s dependent P8 07 Acceleration time 4 0 0s 6500 0s Model Ww depen...
Page 42: ...Yes 0 P8 19 Frequency detection value 0 00Hz maximum 50 00Hz FDT1 frequency Frequency detection 0 0 100 0 FDT1 menat hysteresis FDT hysteresis 1 electrical level 5 0 Detect f 0 0 PBz 2T aor SnOMTANEE...
Page 43: ...ing 0 00Hz maximum 50 00Hz ae detection value 2 frequency P8 33 Any frequency reaching 0 0 100 0 5 0 spe detection amplitude 2 maximum frequency yw 9 P8 34 Zero current detection level o Ce S00 Ob rat...
Page 44: ...8 44 Timing duration 0 0Min 6500 0Min 0 0Min pgs Allinputvoltage 9 ogy pg 46 3 10V lower limit pg 4g Allinputvoltage pg 45 10 00V 6sov xk upper limit P8 47 IGBT temperature o c 100 C 75 C a threshold...
Page 45: ...20 P9 06 Overcurrent stall protective 100 200 150 e current Short circuit to ground upon 0 Disabled pa OF power on 1 Enabled I e P9 08 Brake unit action starting voltage 700 800V 750V e P9 09 Fault a...
Page 46: ...age 10 AC drive overload 11 Motor overload 12 Power input phase loss 13 Power output phase loss 14 IGBT overheat 15 External equipment fault 16 Communication fault 17 Contactor fault 18 Current detect...
Page 47: ...22 AC drive status upon 3 fault P9 23 Power on time upon 3 fault z e P9 24 Running time upon 3 fault 7 Oo P9 27 Frequency upon 2 fault _ z e P9 28 Current upon 2 fault e P9 29 Bus voltage upon 2 fault...
Page 48: ...on time P9 43 upon 1 fault e Running time upon _ P9 44 aS fault Unit s digit Motor overload 11 0 Coast to stop 1 Stop according to the stop mode 2 Continue to run Ten s digit Power input phase loss 12...
Page 49: ...00 0 st abnormality maximum frequency PO 10 Acbenspleciagat t Bus vali e constant P9 59 instantaneous power 8 0 failiire control 2 Decelerate to stop Action pause judging P9 60 voltage at instantaneou...
Page 50: ...PID digital setting 0 0 100 0 50 0 PA 02 PID feedback source 0 All 1 Al2 2 Panel potentiometer 3 All Al2 4 HDI Pulse setting DI5 5 Communication setting 6 All Al2 T MAX AI1 AI2 8 MIN AI1 AI2 PA 03 PID...
Page 51: ...feedback filter time 0 00 60 00s 0 00s w PA 13 PID output filter time 0 00 60 00s 0 00s Ww PA 15 Proportional gain Kp2 0 0 100 0 20 0 bs4 PA 16 Integral time Ti2 0 01s 10 00s 2 00s Ww PA 17 Differenti...
Page 52: ...een 4 doa 100 00 1 00 two PID outputs in reverse direction Unit s digit Integral separated 0 Invalid 1 Valid PA 25 PID integral Ten s digit Whether to stop 00 property integral operation when the outp...
Page 53: ...2 maximum frequency paso Wing frequency 0 0 100 0 0 0 a amplitude pp o2_ Jump frequency 0 0 50 0 0 0 amplitude PB 03 Swing frequency cycle 0 1s 3000 0s 10 0s Ww pp o4 Tangularwave rising 0 1 100 0 50...
Page 54: ...6 Reference 6 100 0 100 0 0 0 vr PC O7 Reference 7 100 0 100 0 0 0 PC 08 Reference 8 100 0 100 0 0 0 PC 09 Reference9 100 0 100 0 0 0 PC 10 Reference 10 100 0 100 0 0 0 PC 11 Reference 11 100 0 100 0...
Page 55: ...simple PLC reference 0 o 3 0 pc 29 Runningtime of simple PLC 4 o 4 6553 5s h 0 0s h reference 1 Acceleration deceleration a time of simple PLC reference 1 ve 0 pc 22 Runningtimeofsimple PLC 9 o 4 6553...
Page 56: ...6553 5s h 0 0s h reference 7 Acceleration deceleration time eee of simple PLC reference 7 vee pc 34 RunningtimeofsimplePLC 9 9 4 6553 5s h 0 0s h x reference 8 Acceleration deceleration time RG35 of s...
Page 57: ...deceleration time la of simple PLC reference 13 o 3 0 pc ag Runningtimeofsimple PLC 9 n 6553 5s h 0 0s h ox reference 14 Acceleration deceleration time PCat of simple PLC reference 14 ad 7 pc 4g Runn...
Page 58: ...Unit s digit MODBUS 0 300BPS 1 600BPS 2 1200BPS 3 2400BPS 4 4800BPS 5 9600BPS 6 19200BPS T 38400BPS 8 57600BPS 9 115200BPS Ten s digit PROFIBUS DP PD 00 Baud rate 0 115200 BPs 6005 Ww 1 208300 BPs 2 2...
Page 59: ...Valid for Modbus 0 Broadcast address PD 02 Local address 1 247 1 Ww pp 03 MODBUS 0 20ms 2 t response delay Communication 0 0 invalid PD 04 timeout 0 1 60 0s oe Unit s digit Modbus protocol 0 Non stand...
Page 60: ...cords PP 02 AC drive parameter display property Unit s digit Group U display selection 0 Not display 1 Display Ten s digit Group A display selection 0 Not display 1 Display 1l PP 03 Individualized par...
Page 61: ...ce in 5 Communication setting 0 torque control 6 MIN AI1 AI2 7 MAX AIL AI2 Full range of values 1 7 corresponds to the digital setting of A0 03 ao 03 Torque digital setting in 99 09 200 0 150 0 sx tor...
Page 62: ...mpensation A5 02 compensation mode P 1 Ww 1 Compensation mode 1 selection 0 Random PWM invalid A5 03 Random PWM depth 1 10 PWM carrier 0 Ww frequency random depth 0 Disabled A5 04 Rapid current limit...
Page 63: ...1 e U0 09 All voltage V 0 01V e U0 10 Al2 voltage V current mA 0 01V 0 01mA e U0 11 Panel potentiometer voltage V 0 01V e U0 12 Count value 1 e U0 13 Length value 1 e U0 14 Load speed display 1 e U0...
Page 64: ...ss value 1 e U0 35 Target torque 0 1 U0 36 Rotation postion 1 e U0 37 Power factor angle 0 1 e U0 39 Target voltage upon V F separation lV e U0 40 Output voltage upon V F separation lV e U0 41 Di stat...
Page 65: ...nable to troubleshoot please seek technical support from our company or product agent 7 2 Troubleshooting List Fault Name Display Possible Causes Solutions Inverter Unit ErrO1 Protection 1 The output...
Page 66: ...of small power class higher power class 1 The output circuit is grounded 1 Elinimareecarnal faults or short circuited 2 Perform the motor 2 Motor auto tuning Is not autotuning performed 3 th Overcurre...
Page 67: ...Increase the deceleration deceleration short fine 4 The braking unit and braking 4 Install the braking unit resistor are not installed and braking resistor Overvoltage 1 The input voltage ts too high...
Page 68: ...phase loss 3 The lightening board ts faulty support 4 The main control board ts faulty Le The Gable conneedtie ne AG 1 Eliminate external faults drive and the motor ts faulty 2 Check whether the Power...
Page 69: ...otor parameters 1 Set the motor parameters M are not set according to the according to the nameplate otor auto tuning fault Errl9 nameplate properly 2 The motor auto tuning 2 Check the cable connectin...
Page 70: ...1 The load ts too heavy or Pulse by lockedrotor occurs on the 1 Reduce the load and check the motor and mechanical condition limit fault 2 The AC drive modelis of 2 Select an AC drive of higher too s...
Page 71: ...tact 2 Related components on the control 1 Re connect the 780 1s displayed board are damaged 8 core and 28 core 2 at poweron 3 The motor or the motor cable is short cables circuited to the ground 2 Co...
Page 72: ...t the motor is normal 6 rotate after improperly motor parameters 2 Replace the motor or the AC drive 3 The cable between the drive board clear mechanical faults runs and the control board Is in poor c...
