Service Manual
Contents
1. Cy LC e E pu Fig 2 2 Outline Image Table 2 2 EDS780 2S0007mounting size Inverter type v H D A e aw Gan ta nn ee mm 2 5 Basic running wiring diagram Breaker X ee Power Forward nin sto 2FWD EDS780 PE Reverse run stop 4 Mublti function1 OTA Malfunction relay output STC 4R5A Q 485B 9 Standard RS485 Fig 2 3 Basic running wiring diagram www enc net cn en Tel Fax 86 755 26984485 26985 120 2 Type and specification of the inverter 2 6 The inverter interface specifications m U8 CN1 CN2 oes po SOS v s P3 Do Hgo Fig 2 4 1 P1 terminal function description un Forward reverse run command Input ape danse R 2K 2 command see F5 08 group double wire and Max input frequency 200Hz command Reverse run three wire control function command description Used for multi function input Multi function input 1 terminal for detailed see an aro Multi function input 2 negative pole GND a ee negative pole signal and 5V power supply Input voltage range 0 5V Analog value Analog value input T l LR j Q a 5 5 se S eY Q B i tev vc Accept analog voltage input Input impedance 10 K Q i t inpu2. as follows oa notice This symbol explains items that need to be paid attention to when being operated eS This symbol is briefed on some useful information This symbol briefs on If does not operate on request may make the body warning injured or the equipment damaged This symbol briefs on If does not operate on request may cause death danger severely injured or serious property loss 1 2 3 4 rN danger 6 7 8 9 Forbid to connect U V W output end to AC power supply otherwise cause the complete damage of the inverter The inverter is forbidden to install on the flammables otherwise have danger of fire Don t install it in the environment with explosive gas otherwise have danger of causing explosion After connecting main loop should carry on insulating treatment to bare wiring end otherwise have danger of getting an electric shock If being connected to the power supply don t operate the inverter with moist hands otherwise have danger of getting an electric shock The ground terminal of the inverter must be grounded well Inverter being connected to power supply please don t open cover and carry on wiring can connect the wire or check only after closing power for 10 minutes Only qualified personnel may carry on wiring and forbid leaving over any conductive thing in machine otherwise have danger of getting an electric shock or causing damage of the inverter Inverter s
3. 0K depend on F2 05 ae 0 1K p x q machine type F2 06 Jog run frequency 0 10 50 00Hz 0 01Hz 5 00Hz Lo Caon ee ae oe E209 reseed a o f Principal subordinate 0 500 Machine communication f o 1 100 requency provision proportion LED display 0000 1111 1 1111 control 1 first bit running time 0 not display 1 display second bit accumulative time 0 not display 1 display third bit input terminal status 0 not display 1 display kilobit fourth bit output terminal status 0 not display 1 display a eS A Parameter operation LED Ist bit 1 x control 0 all parameter allowed to be modified 1 except this parameter all other parameter not allowed to be modified 2 except F0 01 and this parameter all other parameter not allowed to be modified LED 2nd bit 0 no action 1 restore default value 2 clear history failure record LED 3rd bit 0 lock all buttons 1 lock all buttons but not STOP key 11 x x x x www enc net cn en Tel Fax 86 755 26984485 26985120 3Function parameter schedule graph 2 lock all buttons but not STOP key 3 lock all buttons but not RUN STOP key 4 lock all buttons but not SHIFT STOP key Communication LED first bit baud rate selection 03 configuration 0 1200BPS 1 2400BPS 2 4800BPS 3 9600BPS 4 19200BPS 5 38400BPS LED second bit data format 0 1 8 1 format no checkout 1 1 8 1 format even checkout 2 1 8 1 format odd che
4. Resolution 1 1000 www enc net cn en Tel Fax 86 755 26984485 26985 120 2 Type and specification of the inverter 2 P2 terminal function description For standard 485 communication interface 485A 485 485 difference signal positive end communication communication please use twisted pair or 485B interface 485 difference signal negative end STP 2 7 Operation and use of key board Keypad is main unit for recetving command displaying parameter Outer dimension of EN KB6 1s as Fig 4 2 Failure alarm indicator light Forward run indicator light Reverse run indicator light Mode indicator light Currentunit A Digital display LED Voltage unit V Frequency unit Hz Stop reset key Run key Analog potentiometer supervision key Function data key Rev Jog key Program exit key Data modification key Fig 2 5 keypad layout sketch EN KB5 www enc net cn en Tel Fax 86 755 26984485 26985120 3Function parameter schedule graph 3 Function parameter schedule graph 3 1 Symbol description X parameter can t be changed in process of running O parameter can be changed in process of running read only parameter unmodifiable 3 2 Function parameter schedule graph F0 basic run function parameter group function Factory Modificat name Set range unit i code default ion F0 00 Frequency input 0 keypad analog potentiometer setting 1 1 chann
5. loop ineffective PLC ineffective simple PLC pause control PLC stop status reset frequency provision channel option 1 frequency provision channel option 2 frequency provision channel option 3 frequency switched to CCI command switched to terminal run command channel option 1 run command channel option 2 run command channel option 3 traverse jump in external interruption input interior counter reset end interior counter triggering end interior timer reset end interior timer triggering end 38 reserved 8 Input terminal X2 Same as above x F5 01 function selection Input terminal X3 Same as above x F5 02 function selection p504 reserved o S CCX F505 reseed o o o o So o o 5 06 reseve o oo O S So o 16 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph esor resewed FWD REV run mode 0 double line control mode 1 1 x selection 1 double line control mode 2 2 three line control mode 1 3 three line control mode 2 Tie orowe oa ooa a o E PCO mepes ooo e Te F5 14 Frequency arriving 0 00 50 00Hz 0 01Hz 5 00Hz FAR checkout scope F5 15 FDT1 frequency 0 00 high limit frequency 0 01Hz 10 00Hz level electric level F5 16 FDT1 lag 0 00 50 00Hz 0 01Hz 1 00Hz o a F5 19 Rog At 00 I0aHT Pao om sapea o wape S ee eee E E a E O e a I Set interior counting value 0 9999 F5 25 reaches provi
6. overload and overheating 18 F9 00 _ Instantaneous power 0 1S off restarting latency 0 indicates ineffective power off restarting 1 x Q oO www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph F9 02 Failure self renew interval 0 5 20 0S F9 03 Motor overload 0 no action 1 1 x protection mode selection 1 inverter close off output F9 04 Motor overload 20 0 120 0 0 1 100 0 x protection coefficient 6608 Overload warning 20 200 1 130 alarm checkout level Overload warning 0 0 20 0s 0 1s 5 0s F9 06 Alarm Delay time F9 07 Overvoltage stall selection 0 ban 1 1 x 1 allow F9 08 Overvoltage stall point 120 150 1 140 E woen ooo e ee Fd failure record function parameter group eaten foame OO name code Fd 00 Previous one time failure record Previous one time failure record Fd 01 Previous two time failure record Previous two time failure record Fd 02_ Previous three time failure record Previous three time failure record Fd 03 Previous four time failure record Previous four time failure record Fd 04 Previous five time failure record Previous five time failure record Fd 05__ Previous six time failure record Previous six time failure record Fd 06 Set freq of previous failure Set freq of previous failure Fd 07 output freq of previous failure output freq of previous failure Fd 09 Output voltage of previous failure output voltage of previ
7. 00Hz F0 11 Lower limit freq 0 00 Upper limit freq 0 01Hz 0 00Hz local e run mode 1 stop running E mode 1 automatic boost F0 14 Torque boost 0 0 20 0 9 0 on 4 0 F0 15 V F curve setting 0 constant torque curve 1 degressive torque curve 1 the 2 0nd power 2 degressive torque curve 2 the 1 7th power 3 degressive torque curve 3 the 1 2th power ee ee F1 start up stop brake function parameter group Function Factory Modificat name Set range unit code default ion F1 00 Start up run mode 0 start at start up freq 1 first brake then start at start up freq Ei 2 reserved 0 Prue Pasig comin fis fo F1 05 Stop mode 0 Dec stop 1 1 free stop 2 Dec DC brake stop DC brake initiative freq 0 0 15 00Hz F1 06 0 01Hz 0 00Hz when stop running DC brake time when stop 0 0 20 0s F1 07 0 1s 0 0s running DC brake voltage when stop 0O 15 F1 08 1 running F2 auxiliary run function parameter group name www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph cia es ee default Analog filter time 0 00 30 00s F2 00 constant F201 Forward reverse run 0 0 3600 0s 0 dead section time F2 02 Automatic energy 0 no action save run 1 action F2 03 AVR function 0 no action 1 action all the time 2 no action only during Dec Slip frequency 0 150 0 no slip frequency F2 04 1 x compensation compensation Carrier wave 1 10
8. 2 years and electrification time is not shorter than 5 hours and input voltage must be increased to rated value gradually by voltage adjustor 26
9. 3 keypad analog potentiometer provision F3 02 Feedback channel 0 VCI analog input voltage 0 5V selection 1 reserved setting F3 04 Minimum specified value 0 0 maximum specified value percentage feedback value responding to 0 0 100 0 0 1 0 0 minimum specified value y F3 06 Minimum specified value 100 0 0 1 100 0 g feedback value respondiag i 0 0 100 0 0 1 100 0 maximum specified value _E3 08 proportion gain Kp o 000 9999 oo ooso o F309 Integralgein Ki o o00 9999 oo ooso o Psio Differential ioa o 000 9 999 oori ooo 13 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph F3 12 0 0 20 0 percentage relative to 10 00V 0 1 2 0 eal F3 13 Integral separation PID 0 0 100 0 0 1 100 0 adjusting threshold i F3 14 Closed lop preset unper Tnit Reener 0 01Hz 0 00Hz KJ frequency Closed loop preset 0 0 6000s 0 1s 0 0s frequency holding time F3 16 Reserved F3 26 F3 27 Closed loop adjusting 0 Forward function characteristic 1 Reverse function LED initial set frequency supervision parameter output frequency selection output current output voltage DC bus bar voltage motor speed heat sink temperature run time accumulative run time input terminal status 10 output terminal status 11 analog input VCI PID provision 3 29 Zero freq braki
10. ENC ISO9001 Quality Management System Authentication EDS780 Series 220AC 0 75KW Series Inverter Ver 1 0 Service Manual SHENZHEN ENCOM ELECTRIC TECHNOLOGIES CO LTD www enc net cn en Tel Fax 86 755 26984485 26985 120 Content CONTENT 1 Safety information and use Notice POINts cccsccsssssssssssscssssssssssssssssssssceees L Te Safety precautions iacasinccccuoadasmnsstttcunsneadsanecwisentannsdaxiestensennsetansaiiadlestennleasedy 1 E2 Use rang eea ee E E E a e a ea 2 1 3 Usenotice Points oases deen ecoecacnncececcocenvexenudeecndcacdetomlaxeaseseusnmeestocienscorsenecee 2 LA Scr p notice POlNiS suargniiioienn iina i aiia 4 2 Type and specification of the inverter sccccccccssssssscssssssccsscsssssssssreesseeee D 2 1 Incoming inverter inspect secncmss lt adasansarideacactlatedsnenduatupanssiseadaienatiddnondsiteasntn 5 2 2 Type explanation eeeessseeseeeeeesssesseeseetssssssesreressssssersrresesssssssrereesssssessene 5 2 3 Seres TY PSX DAM AIO s saivctrciaraxceledennsiccidoiavserelernnntnadiaienaungniammadenaaein 5 2 4 Outer size and gross weight cs pescvetessecanvotrmaeanseicnneerenetdunnderidodcenetiadonsene 6 2 5 Basic running wiring CA SEAIM pe csicossiesssvncasdaisdnesdeannsuesavnvardusausuenecaurdeawesaunadned 6 2 6 The inverter interface specifications ssssssssesssseseeseresessssssserrressssserseee 7 2 7 Operation and use of key board wiicciccuuiacociiiventinisivensinnM
11. aiointensstenataneeinn 8 3 Function parameter schedule graph eessecssooseecccececceseccsesccesscecsseceseesssssssssssss D 3 1 Symbol eS O01 CIO Ag eatsrer acess iv actaqn ventas deadarsabtoasude paul sies ennai tusarandaaitencneenadsies 9 3 2 Function parameter schedule OPA PIN sopssoxpenccncscncmeasnssaarieteceiactsaensenaesciectaieeies 9 4 Troupleshooting ssssirsssiscsssesssssissesrossecsecessssscsvcassosecsiorosrosisionresssiossasrsisosssssss ss AL 4 1 Failure and countermeasure ososeeseseneessesseeeeeessssseserestssssssseerressssssese 21 4 2 Failure record lookup sosseeseenesssssesseresessssssseseressssssesereeessssssseesressssssese 24 5 TVR ALON CE ios ssccsiessbsvacainsatavaneusioassadwavccnonandanessenacsaneaesasgeuieeresedsiaieearerememsaien O 5 1 Routine maintenance 6 iciciicntisiarescnncieivaenatescienimalorisimntiieiniiGounmonternan 25 5 2 Inspection and replacement of damageable parts cccccceeesssteeeeeees 25 5 3 Repat guarantee esris eas E Ea TT 26 DAE SUOMI E E ve sacencsaetevs deans pevsecean eine iar 26 www enc net cn en Tel Fax 86 755 26984485 26985120 1Safety information and use notice points 1 Safety information and use notice points In order to ensure the safety of your personal and equipment before using the inverter please read this chapter of contents conscientiously 1 1 Safety precautions There are four kinds of safe relevant warnings in this service manual they are
12. ation heating 1 vibration balanced proper wind temp 3 fixation of lead terminal 3 fixed screw don t loose 1 temperature humidity 1 10 C 40 C 40 C 50 Cused in lower volume Run Pati or execute compulsory heat dissipating ambient 2 dust water and leakage 2 no water leakage imprint no dust 3 gas 3 no peculiar smell Recommend to inspect with following instrument Input voltage electric voltmeter output voltage rectifying voltmeter input output current pincers ammeter 5 2 Inspection and replacement of damageable parts Some component parts in the inverter will be abraded or bear descending performance for long term usage to assure that the inverter can run stably and reliably it is recommended to perform defending maintenance and replace corresponding parts if necessary 25 www enc net cn en Tel Fax 86 755 26984485 26985120 5Maintenance 1 filter electrolyte capacitance When frequent changing load causes increasing pulsant current and aging electrolyte under high ambient temperature the electrolyte capacitance may be damaged and here should replace it 5 3 Repair guarantee 1 Within 18 months from purchasing date if failure caused by inverter itself takes place under normal conservation and usage we will provide free repair service 2 We will take some upkeep if one of following situations takes place within period of repair guarantee a If did not use the inverter according to ser
13. ckout F2 15 Local address 0 127 127 is broadcast address The inverter only receive but not send when it is 1 set to be 127 0 is address for main device F2 17 Local responsion delay 0 1000ms F2 30 Multisection freq 1 Lower limit freq upper limit freq 0 01Hz 5 00Hz eed 1 1 F2 36 Multisection freq 7 Lower limit freq upper limit freq 0 01Hz 150 00Hz LO F2 37 Multisection freq 8 Lower limit freq upper limit freq 0 01Hz 15 00Hz om F2 38 Reserverd F2 44 F2 45 Jumping freq 1 0 00 400 00Hz 0 01Hz 0 00Hz F2 46 Jumping freq 1 range 0 00 30 00Hz 0 01Hz 0 00Hz 12 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph pas Setngnmine oasis PO a ee ae ee ee RS485communication 0 a ASCII frame of 14 byte or 18 byte frame format selection 1 a hex frame of 8 byte or 10 byte original response not changed 2 a hex frame of 8 byte or 10 byte 12 command has no response 3 a hex frame of 8 byte or 10 byte 14 command has no response 4 a hex frame of 8 byte or 10 byte both 12 and 14 command have no response F3 group closed loop run function parameter group Function Series ta Factory modif code 8 default ication Closed loop run 0 closed loop control ineffective control selection 1 PID closed loop control effective 2 reserved Provision channel 0 digital provision selection 1 VCI analog 0 5V voltage provision 2 reserved
14. el selection 1 keypad digital setting terminal UP DOWN adjust setting stored after power off serial port setting VCI analog setting VCI GND reserved reserved combination setting terminal UP DOWN adjust setting not stored after power off 10 provision serial port stored after power off F0 01 Freq digit setting Lower limit Freq upper limit Freq 50 00Hz Oo F0 02 Run command 0 keypad run control channel selection 1 terminal run command control keypad stop command ineffective 2 terminal run command control keypad stop command effective 3 serial port run command control keypad stop command ineffective 4 serial port run command control keypad stop command effective F0 03 Run direction 1 bit 0 forward run 1 reserved 2 bit 0 forward run allowed 1 reverse run banned 3 bit REV JOG key selection 0 as reverse run key 1 as jog ay ee selection 1 S curve accelerating decelerating mode cn 50 0 Acce Dece time 0 1 wwo Oo section time F0 05 F0 06 lt 90 9 www enc net cn en Tel Fax 86 755 26984485 26985120 3Function parameter schedule graph F0 06 S curve rise time 10 0 70 0 Acce Dece time noala F0 05 F0 06 lt 90 1 60 0 accelerating 0 second decelerating time 1 minute 1 oo roos acem cowo ooo fa mw F009 Decetime1 for 60000 ot 200 o F0 10 Upper limit freq Lower limit freq 400 00Hz 0 01Hz 50
15. ng freq 0 00Hz 15 00Hz 0 01Hz 0 00 Hz a al at starting Failure relay TA TC 0 inverter running RUN function selection frequency arriving signal FAR frequency level detect signal FDT1 reserved overload warning alarm signal OL output frequency reach high limit FHL output frequency reach low limit FLL inverter under voltage blockage stop LU external failure stop running EXT inverter zero speed running PLC running simple PLC section running finished PLC finish a cycle running reserved inverter ready to run RDY inverter failure traverse high and low limit restriction interior counter reach final value interior counter reach specified value set run time arriving interior timing arriving 21 24 reserved F3 31 VCI analog input gain OANDNHBWN YH SO O o unu crua RAUNG 14 www enc net cn en Tel Fax 86 755 26984485 26985120 3Function parameter schedule graph F4 simple PLC function parameter group Function Factory modifi name Set range unit code default cation Simple PLC LED first bit 1 x running setting 0 no action 1 stop after single circulation 2 keep final value after single circulation 3 consecutive circulation LED second bit 0 start again from first section 1 continue to run at mid section frequency LED third bit PLC run time unit 0 second 1 minute Section setting 000 621 1 LED first bit frequency setting 0 multi section f
16. onstant torque of low speed must select motor of frequency conversion for use Use general asynchronous AC motor when running at a low speed should control temperature of the motor or carry on heat dissipation measure forcedly so as not to burn the generator 3 Such mechanical device needing lubricating as the gearbox and gear wheel etc after running at a low speed for a long time may be damaged as lubrication result become poor please take necessary measure in advance 4 When the motor running with frequency above specified besides considering the vibration noise increase of the motor must also confirm speed range of the motor bearing and the mechanical device 5 For hoist and great inertia load etc the inverter would shut off frequently due to 2 www enc net cn en Tel Fax 86 755 26984485 26985 120 1Safety information and use notice points over current or over voltage failure in order to guarantee normal work should consider choosing proper brake package 6 Should switch on off the inverter through terminal or other normal order channels It is prohibited that switch on off the inverter frequently by using strong electric switch such as magnetic control conductor otherwise will cause the equipment to be damaged 7 If need to install such switch as the magnetic control conductor etc between inverter output and the motor please guarantee the inverter is switched on off without output otherwise may damage the inver
17. ooting 4 Troubleshooting 4 1 Failure and countermeasure Possible failure types in EDS780 are shown in Table 4 1 and failure code is from E001 to E023 Some failure code is reserved for intelligent automatic diagnosis function which will be executed continuously in future When failure takes place in the inverter the user should check according to note of this table firstly and record failure phenomena detailedly Please contact our after sale service and technical support Department or agent in your local place when technical service is needed Table 4 1 failure type and the countermeasure failure 7 d failure type possible reason countermeasure code E001 overcurrent during Accelerating time is too short Prolong accelerating time accelerating Adjust V F curve setting adjust process Improper V F curve manual torque boost or change to automatic torque boost function voltage inverter decelerating short process Have potential energy Increase braking power of load or big inertia load external energy consumption braking subassembly small E003 overcurrent during Load change suddenly or Check or reduce break of the load constant speed Have unwonted process phenomena to too short time properly low power source Check input power supply voltage Power of inverter is a bit small Choose inverter with high power E004 overvoltage Unwonted input voltage Check input power supply process properly function 21 ww
18. ous failure Fd 19 DC bus bar voltage of previous failure DC bus bar voltage of previous failure Fd 11 Load motor speed of previous failure Load motor speed of previous 1 r m failure X X X X X X X X X Fd 0g output current of previous failure output current of previous failure E failure failure Accumulative run time of previous failure failure FF password and manufacturer function parameter group 19 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph Function 2 Factory modifi name Set range unit i code default cation FE00 User password 0000 9999 0000 FF 01 Manufacturer password 0000 9999 0000 FF 02 Manufacturer s special parameter FF 0X C supervision function parameter group Function EnC Eae anit Factory modifi code g default cation Set frequency Current set frequency a oo Current output freq an Virtual value of current output current ooo f gt Virtual value of current output voltage o f gt Current DC bus bar voltage oo fe Product of output frequency and load motor mea speed emendation factor IGBT heat sink temperature E Inverter electrification run time i Inverter accumulative run time al Switch value input terminal status Ll Switch value output terminal status Analog input value of VCI a Analog input value of YCI an a a ES Pol E 20 www enc net cn en Tel Fax 86 755 26984485 26985 120 4 Troublesh
19. req i Gi 1 7 1 freq determined by F0 00 function code LED second bit run direction selection 0 forward run 1 reverse run 2 determined by run command LED third bit 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 OE OC Leao pne a ODO tt paoa penenie eon S o Leas pn e A aa ouo Da e OCT OR OT ua pe p ee oe pias pe re o a e e ae ee eas penac OO a Lae aes 0 ae aa teats A 0006 a a Section 7 run time wo o 15 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph F5 terminal correlative function parameter group Function Factory modifi name Set range unit code default cation F5 00 Input terminal X1 leave control terminal unused 1 x function selection multi section speed control terminal multi section speed control terminal multi section speed control terminal multi section speed control terminal external forward run jog control external reverse run jog control 7 Acc Dec time option terminal 1 8 Acc Dec time option terminal 2 9 Acc Dec time option terminal 3 external device failure input external reset input free stop input external stop running order stop DC braking input command DB inverter run banned frequency increasing control UP frequency degression control DOWN Acc Dec ban command three line run control closed
20. rnal fan 1 4 Scrap notice points When disposing scrap inverter and its parts please note 1 The unit please discard as industrial useless 2 Electrolytic capacitor when burning the inverter electrolytic capacitor in it may explode 3 Plastic when plastic rubber parts etc in the inverter are burning they may bring bad poisonous gas so please be ready to safeguards www enc net cn en Tel Fax 86 755 26984485 26985 120 2 Type and specification of the inverter 2 Type and specification of the inverter 2 1 Incoming inverter inspect 1 Check if there is damage during transportation and inverter itself has damage or fall off parts 2 Check if parts presented in packing list are all ready 3 Please confirm rated data of the inverter is in line with your order requirement Our product is guaranteed by strict quality system during manufacturing packing transportation etc please contact our company or local agent rapidly if some careless omission or mistake arise we ll deal with it as soon as possible 2 2 Type explanation EDS780 2 S 0007 Inverter serial no Jolt gradeicode fine Fig 2 1 type description 2 3 Series type explanation Table 2 1 series type explanation Inverter type Rated power Rated output Adapted motor KVA current A KW www enc net cn en Tel Fax 86 755 26984485 26985 120 2 Type and specification of the inverter 2 4 Outer size and gross weight G
21. sion Specified interior counting 0 9999 F5 26 yale Peaches provision F6 traverse special function parameter group Function m Renee sare Factory modifi code 8 default cation F6 00 Reversed F6 07 F7 frequency provision function parameter group Function ee nit Factory modifi code Be Be 4 EA EZ F7 00 VCI min provision 0 00 F7 02 0 01V 0 0v 00V F7 01 VCI min provision corresponding freq 0 00 high limit frequency 001Hz 0 00Hz 17 www enc net cn en Tel Fax 86 755 26984485 26985 120 3Function parameter schedule graph F7 02 VCI max provision 0 00 10 00V 0 01V 9 90V o F7 03 VCI max provision corresponding freq 0 00 high limit frequency 0 01 Hz 50 00Hz om F7 04 Reversed F7 17 F8 motor and vector control parameter group Function f modifi name Set range unit Factory default code cation F8 00 F8 01 F8 02 F8 03 F8 04 F8 05 F8 06 F8 07 F8 08 F8 09 F8 10 F8 11 F8 12 F8 13 F8 14 F8 15 F8 16 F8 17 reserved a reserved D reserved re ee a C a R a ee O a a E a A reserved Frequency display offset 0 00Hz 2 00Hz 0 01Hz 0 20Hz reserved Oooo o ee F9 protection correlative function parameter group Function Factory modifi name Set range unit default cation time Remark no automatic reset function for overload and overheating Failure self renew times 0 shows no automatic reset function Remark no automatic reset function for
22. ter 8 The inverter may meet with mechanical resonance of the load within certain range of frequency output can set up jumping frequency to evade 9 Before using should confirm the voltage of the power is within the working voltage range allowed otherwise should vary voltage or order special inverter 10 In the condition of altitude above 1000 meters should use the inverter in lower volume reduce output current by 10 of specified current after each 1500 meters height increasing 11 Should make insulation check to the motor before using it for the first time or after a long time placement Please inspect with 500V voltage type megohm meter according to method shown as graph and insulation resistance should not be smaller than 5 M Q otherwise inverter may be damaged 12 To forbid assembling capacitor for improving power factor or lightningproof voltage sensible resistance etc otherwise will cause malfunction trip of the inverter or damage of the parts shown as graph 1 1 Uo r EDS780 V i Mi Wa r K EEPE pS Ga Fig 1 1 frequency converter prohibit use of capacitor www enc net cn en Tel Fax 86 755 26984485 26985 120 1Safety information and use notice points 13 Remind EDS780 inverter require long term work at full capacity the customer must have an external cooling fan or it may overheat protection fault and affect the frequency normal life Inverter output current below 4A noneed to use an exte
23. tored for over half a year should be stepped up gradually with voltage regulator first while having the electricity otherwise have danger of getting electric shock and explosion www enc net cn en Tel Fax 86 755 26984485 26985 120 1Safety information and use notice points 1 It is prohibited that connect AC220V signal to control ends except TA TB TC otherwise have danger of damaging property X 2 If the inverter is damaged or without all parts please don t install and operate it notice otherwise have danger of fire or cause personnel to be injured 3 When installing should choose a place where can endure the inverter otherwise have danger of injuring personnel or damaging property while falling 1 2 Use range 1 This inverter is only suitable for three phases AC asynchronous motor in general industrial field 2 While applying inverter to such equipments that relate much to the life great property safety devices etc must handle cautiously and consult with producer please 3 This inverter belongs to the control device of general industrial motor if used in dangerous equipment must consider the security safeguard procedures when the inverter breaks down 1 3 Use notice points 1 EDS780 series inverter is voltage type inverter so temperature noise and vibration slightly increasing compared to power source running when using belongs to normal phenomenon 2 If need to run for a long time with c
24. upply input side CPU read Reset by the key press look for and write wrongly service E021 E022 E PROM read and Mistake take place when Reset by pressing write wrongly read or write control Look for service from parameter manufacturer or agent POFF Under voltage Under voltage check spot input voltage 4 2 Failure record lookup This series inverter can record latest 6 failure code and inverter run parameter of the last failure to search these informations can redound to finding out reason of the failure Failure information is all stored in Fd group parameter please enter into Fd group parameter to see about information by referring to keypad operation method 24 www enc net cn en Tel Fax 86 755 26984485 26985120 5Maintenance 5 Maintenance 5 1 Routine maintenance You must assemble and operate it according to demand listed in this service manual strictly when you use inverter During run state temperature humidity vibration and aging parts may affect it To avoid this it is recommended to perform routine inspections Table 5 1 Daily inspection items period Inspection er Inspection content Criterion 1 output current 1 within range of rated value Run state ve 2 output voltage 2 within range of rated value parameter 3 inside temp 3 temp increment lt 35 C 1 installing ambient 1 good ventilation unblocked air path 1 heating 1 no abnormality Cooling system 1 vibr
25. vercurrent of the protection inverter overcurrent phase to phase short wiring again circuit or earthing short circuit of output 3 phase Air path blocked or fan damaged To clear air path or replace the fan Ambient temperature is too high Lower ambient temperature Connecting wire or insert on Check and connect the wire again control board loose Unwonted current wave caused Check wiring by missing output phase etc Assistant power supply Look for service from damaged and drive manufacturer or agent voltage lacking Unwonted control board Look for service from manufacturer or agent E014 external device yse sudden stop Look up operation mode fail f arare key in non keypad run mode Use sudden stopkey Set running parameter correctly under condition of stall Sudden stop terminal for external Open external failure terminal after external failure closed failure is settled E016 RS485 Baud rate set improperly set Baud rate properly communication Serial port failure eati press communication error key to reset look for service Failure warning Modify F2 16 F2 17 parameter set improperly Upper device doesn t Check if upper device work and work iring is correct E019 Under voltage Under voltage check spot input voltage 23 www enc net cn en Tel Fax 86 755 26984485 26985 120 4 Troubleshooting System Serious disturbance f Reset by pressing s disturbance key or add mains filter at power s
26. vice manual strictly or did not use it under ambient demanded in service manual which cause failure b Failure caused by applying the inverter to non normal function c Failure caused by self repair refit which is not already allowed d Damage caused by bad keeping falling down from high place or other extrinsic factor after purchasing the inverter e Failure caused by natural disaster or its reason such as unwonted voltage thunderbolt water fog fire salt corroding gas corroding earthquake and storm etc f Make bold to tear up product logo such as nameplate etc Body serial number don t accord with that in repair guarantee card 3 We calculate service fee based on actual cost which is subject to contract if any 4 You can contact the agent and also our company directly if you have questions After repair guarantee period we shall also provide lifetime charged repair service for our products ES Our company will also provide lifetime repair service with fee for inverter which is not note within period of repair guarantee 5 4 Storage The user must pay attention to following points for temporary storage and long term storage after purchasing the inverter 1 Avoid storing the inverter in high temperature moist place and place of dust metal powder and assure good ventilation 2 Longtime storage will cause electrolyte capacitance of low quality so must assure that it s electrified for one time within
27. w enc net cn en Tel Fax 86 755 26984485 26985 120 4 Troubleshooting E005 overvoltage during Decelerating time is too short Prolong decelerating time decelerating Have potential energy Increase braking power of process load or big inertia load external energy consumption braking subassembly E006 Overvoltage Unwonted input voltage Check input power supply during constant A cel Decel time is set Prolong accelerating decelerating speed process to too short time properly Input voltage change Assemble reactor abnormally subassembly supply overvoltage short Reduce DC injection braking too big current prolong braking time boost Restart rotating motor function power source voltage is too low Load is too big Choose inverter with high power E009 Motor overload improper V F curve boost power source voltage is too low General motor run at low Can choose frequency conversion speed with big load motor for long time low speed run motor overload to set motor overload protection protection factor set factor correctly incorrectly motor blocked up or load change too suddenly and quickly inverter over Air path blocked heating ventilation condition Ambient temperature is too high lower carrier frequency Run with large load long time Use fan outside to radiate E011 reserved reserved reserved 22 www enc net cn en Tel Fax 86 755 26984485 26985120 4 Troubleshooting E013 Inverting module Transient o
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