Instruction/ maintenance manual of the product VF-A7 Toshiba
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Ｅ６５８０９８８③ Instruction Manual The ne w gene ration high-performa nce inverter TOSVERT VF- A7 NOTICE 1. Make s ure that t his ins truction m anual is delivere d to the end user of the inverter unit. 2. Read t his manual befor e installi ng or opera ting th e inverter unit, and store it in a safe pl ace for r eference.
1 Ⅰ ． Safety precautions The labels on the inverter and thi s instruction manual contain i m portant in structions for the prevention o f possible injury to the user and other persons and da mage to property , as well as for the safe u se of the inverte r.
2 ■ Hand ling in ge neral Danger Refe rence Never Disassemble Never dis assemble, modif y or repair th e inverter. Its disa ssembly co uld cause an elect ric shoc k, afire o r an injury.
3 ■ Transpor tati on ・ Installation Danger Refe rence Prohibited -Do not install or operate the inverter if it is damaged or any part is missi ng from it. Operating the inver ter in a defe ctive condition could lead to a shock or a fire.
4 ■ Wiring Danger Refe rence Prohibited -Do not connect the power cable to any output terminal (U/T1, V/T2 or W/T3 on the mo tor side), o r the invert er could b reak dow n and cause a fire. -Do not connect a resistor t o an y D.C. terminal (betw een P A an d PC or PO and PC), or the inverter could cause a fire.
5 ■ About operation Danger Refe rence Prohibited -Do not touch any inv erter's termin al wh en it is energized ev en if the motor is standstill, or y ou could get a shock. -Do not operate switches with a wet hand or not put a wet cloth on the inverter , o r you could get a shock .
6 When selecting the ret r y mode (A pplicable to in verters) Warn ing Refe rence Mandatory -Do not get near the motor . When the retry mode is selected, the motor and machine that stopped after an alarm restart unexpect edly after the selected ti me has passed, thus causing injury to persons.
7 Ⅱ ． Preface Thank you for purchasing the indust rial inverter "TOSVERT VF-A7". ■ Features 1. Noise filter in corporat ed 1)Ever y 200V or 400V mod el (200V 0.4 ∼ 7.5KW and 400V 0.7 5 ∼ 15kW models) has a b uilt-in nois e filter .
A-1 1.1 Checking the pu rchas e Make sure that th e inverter delivered is exactl y what y o u ordered. Applic able motor label In verter main unit Pack age Na me plat e 1.
A-2 1.3 Names and functions 1.3.1 P anel descript ion [ Front view ] T o use connectors reserved for options , detach this cover b y sliding it to the right. ･ Parameter writ er ･ Ex tension panel, etc. Cover for common serial option connectors T o use a n RS485 c onnector , deta ch this cover by sliding it to the right.
A-3 (*1) Peel off this label wh en the in verter is installed in a rath er hot plac e. (Mode ls for 15kW m otor or sm aller) (*2) Using scissor s or a cutter , cut th e rubber b ush in the wir ing hole as sho wn below.
A-4 1.3.2 Main cir cuit, control power s upply and control circuit terminal boards １） Main c ircuit t erm inal board VFA7- 2004PL ∼ 20 37PL VFA7- 4007PL ∼ 40 37PL VFA7- 2055PL, 207 5PL VFA7- 4.
A-5 Grounding terminal VFA7-230 0P, 4300 P VFA7-218 5P, 2220 P VFA7-418 5P, 4220 P VFA7- 4370P1 ∼ 45 50P1.
A-6 VFA7- 2750P1 VFA7- 4110KP1, 4132 KP1 VFA7- 2900P1 VFA7- 4160KP1 ∼ 428 0KP1 VFA7- 2370P1 ∼ 25 50P1 VFA7- 4750P1.
A-7 ２） Contro l power sup ply term inal board Note) To use R0,S0 term inal on 22kW m odel or smaller, you need a Control power suppl y unit option.( Refer to 9.4) (*1)Refer to 2.2 for the con nection of c ontrol power cables by vo ltage(R46,R4 1 and S0 term inals).
A-8 ３） Control circuit terminal The control circ uit term inal board is com mon to all m odels. Refer to sec tion 2.3.2 for the func tions of terminals . 1.3.3 Detaching the terminal board front cov er Detach the fr ont lower cover f or wiring, f ollowing the s teps belo w.
A-9 1.4 Notes on th e application of inverters 1.4.1 Notes on motors combin ed with inv erters Ke ep in mind the f ollowing note s when using t he VF-A7 in combi nation with a motor .
A-10 ･ A load , e.g., a r eciprocat ing load, which req uires a frequ ent chang e in the rotating speed In this cas e, if the in verter is in vector c ontrol m ode, adj ust the res ponse tim e (setting of mom ent of inertia) or switch to V/f contr ol mode to s tabilize the o peration .
A-11 1.4.2 Notes on inverters Over-current protective function The inv erter has an over-curr ent protective func tion. T he current for this protection is adjuste d to the m aximum current rating of the ap plicable m otors by default.
A-12 1.4.3 Influences of lea kage curr ents and measures against it (1) Influences of a current leaking into other systems via the ground An electr ic curren t can leak not only into other c ircuits of an invert er but als o into other inverter s through grounding wires.
A-13 Measures to be taken: 1. Use the e lectronic therm al function pr ovided f or the inver ter . Use pa ram eter , to set the electr onic ther mal f unction. 2. Lower th e P W M c arrier frequenc y , though this r esults in an increas e in motor m agnetic nois e.
A-14 1.4.4 Notes on inst allation ■ Installation environment The VF- A7 invert er is an elec tronic con trol device. Therefore, due considerat ion should be gi ven to its installat ion envir onment. Danger Prohibited -Do not put any inflammable ma terial near the inverter , or it could catch a fire if the inverter sp arks because of trouble .
A-15 ･ Avoid i nstalling t he invert er in a hot , damp, or dusty plac e, a place subjec t to free zing or water splash, or a place full of me tal chips. ･ Do n ot ins tall the inverter where t here are gases that c orrode m etal or solvents th at adversel y affect plastic .
A-16 ■ Installation D a n g e r Prohibited - Do not install or operate the inverter if it is damaged or an y part is missing from it. Operating the inverter in a defective condition c ould lead to a shock or a fire. Request your T oshiba dealer fo r repair .
A-17 ■ Calorifi c v alues of invert ers and amount of air to be v enti lated The VF- A7 series of inverter loses about 5% of ener gy when switc hing elec tric currents f rom AC, DC, then t o AC.
A-18 ■ Co ntrol panel designed in consideration of possible influences of noise Inverters produce hi gh-frequenc y noise. T o avoid i nfluences of noise, measur es mus t be t ak en in desig ning a co ntrol panel. Here are som e exam ples of measur es against no ise.
A-19 ■ Heat-sink going out att achment(simple ty pe) To ins tall a standar d VF-A 7 designed f or 37kW motor or larger, you can choose a on e from next two forms.
B-1 Danger Disassemble ･ Never disassembl e, modif y or repai r the invert er. Its di sassembl y could cause an electric sho ck, a fire or an inju ry.
B-2 Warning Prohibited ･ Do not connect any device or unit with a built-in capacitor (noise filter, surge suppressor, etc.) to output ter minals (on the motor side), or it could cause the risk of a fire.
B-3 2.2 Standard conne ction Danger Prohibited -Do not connec t the power cables to any output ter minal (U/T 1, V/T2 or W/T3 on the motor side), or the inver ter could break down and cause a fire. -Do not con nect a resisto r to any D.C. terminal (betw een PA and PC or PO and PC), or the inv erter could cause a fi re.
B-4 [Standard connection d iagram fo r sink logic(minus common)] 200V class : 30 ∼ 55kW 400V class : 30 ∼ 75kW Main circuit power supp l y 200V class （ 30 ∼ 55kW ）： 3-phase 200 .
B-5 [Standard connection diagram fo r sink logic(minus common)] 200V class : 75 ∼ 90kW 400V class : 110 ∼ 280kW Be sure to attach DC reactor. Factory default settings *1:C onnect a pow er sour ce for t he control circuit. *2:The i nverter is shipped with t he terminals PO and PA shorted with a bar.
B-6 2.3 Explanation of terminals 2.3.1 Mai n circuit ter minals Figu re below s hows an exa mple o f the wi ring of the main c ircui t. Use opt ional d evices, as requi red.
B-7 Terminal symbo l Functi on PC A ne gati ve po tent ial t ermi nal of th e int ern al dc mai n ci rcui t. Th is te rmin al can be us ed to connect a dc common power sour ce in conjunction with the terminal PA (positive pote nti al). PO, PA Used to connect a DC reactor (D CL: external option).
B-8 2.3.2 Control circuit termi nals (si nk l ogic(mi nus comm on)) Terminal symbol Input / outp ut Function Ele ctrical specificat ion Inver ter inte rnal circuit F Input Th e motor r otate s in forward direct ion if F and CC are c onnected , while i t slows down to a sto p if thi s Conne ction i s broken.
B-9 Terminal symbol Input / output Functi on Electric al specificat ion Inver ter inte rnal circuit FM Out put Multifunc tion programmabl e anal og output . Fac tory default setti ng: Operat ion frequ ency comm and. Connect a 1m Adc full-sc ale ammet er or a 7.
B-10 ■ Sink lo gic ( minus c ommon)/sou rce log ic (p lus co mmon) ... S w it chin g I/ O ter minal The i nput te rminals o f mos t control circuits are des igned so that they tu rn on when a c urrent flo ws out.
B-11 2.3.3 Serial RS485 commun ication connector ■ Figure o f serial RS485 commu nication connecto r To use the seria l RS485 co nnector, detach t he cover for seri al RS48 5 connector .
C-1 Danger Prohibited ･ Do not touch any in verter's terminal when the inverter is energized e ven if the motor is at a sta ndstill, or you coul d get a s hock.
C-2 3.1 Control modes of the VF-A 7 i nverter [Spe ed control mode] : The mot or runs at the spee d specif ied by a fre quenc y comman d. (1) V/f control - V/f constant (con stant torque characteristic) .
C-3 3.2 Simple operation of the VF-A 7 [1] [Speed control m ode] A speed control mode can be selected from among three: control panel operation, ter m inal board operation and combination of both.
C-4 ■ Fre que nc y sett ing １） Set ting t he oper ation fr equ enc y with an ext ern al vol ume cont rol By default, the VF-A7 inverter has been set to a mode in which an ex ternal volume control can be used for setting the operation frequency.
C-5 ４） Setti ng the f requ ency b y volt age si gnals ( 0 to 10 Vdc) ＋ ： Voltage signals 0-10Vdc − [Parameter setting] Sp eed sett ing mode selection parame ter at . This setting cannot be made when the term inal II is use d.
C-6 3.2.2 Op erati on from t he control pan el ［ Control p anel op eration ］ This se ction de scribes h ow to star t/stop the moto r, and set the o peratio n freq uency with the oper ating panel. ： Set the operati on freq . ： Start the motor ： St op the mo tor.
C-7 ■ Examp le of co ntrol panel ope ration Key operated LED display Operation Display the running frequency. (If the monitor display selection parameter is set at [Running frequenc y ]) Set the ope ration frequency.
C-8 3. 3 Simple operation of the VF-A 7 [2] [ Torque c ontrol mode] An oper ation m ode can b e selec ted from among t hree: c ontrol pan el op eratio n, ter minal board operat ion and com bination of both.
C-9 Step 2: Switching from speed control mode to torque control mode, using external terminals, and assigning the control mode switching fun ction to th e termi nal S 4.
C-10 3.3.2 Polarity of torque command W hen using the torque l imit f unction in torque co ntrol m ode or speed contr ol m ode, change the po larit y of the torque comm and, as requir ed.
C-11 3. 3.3 Ope rati on fr om the ter min al(e xterna l sign al) [ Torque control mode] ■ S t a r t / s t o p and are c onnected : For ward run and are disc onnecte.
C-12 2) Torque setting by means of cur rent signals ( 4 to 20 mA dc) ＋ ： Curre nt signals 4 − 20 m Adc − Set the torque ref erence selec tion at (VI/II input).
C-13 5) Others : RX 2 : Control panel p aram eter(Refer to 3.3.4 for details.) : Binary/BCD input : Com munic ation com mon ser ial optio n : Comm unication RS485(R efer to 6.
C-14 3.3.4 Operation from the control panel [To rque contr ol mode] This section descr ibes ho w to set the star t and stop control modes, as well as torque comm ands from the control p anel.
C-15 ■ Example of control panel operation 1. Set the torque command. Follo w the steps des cribed i n the table belo w to set the torq ue comm and ( ). 2 ： Sta rts the motor 3. ： Stops the motor Note)Press ing the Sto p k ey causes th e motor to c oast to a stop.
D-1 The VF-A 7 invert er has the followin g three disp lay modes: [Normal mon itor mode] ： N ormal disp lay mode. The inverte r automaticall y enters this d i s p l a y m o d e w h e n i t i s t u r n e d o n .
D-2 4.1.1 Ho w to set basic pa rameters [Ba sic parameter] Ever y basic param eters can be set in the s ame way. Follo w the procedure below to s et a basic param eter.
D-3 [Basic paramet er list] No. Title Function Adjustm ent range Default setting Reference section 1 Auto matic acceleration/ deceleration : Manual acceleration/ deceleration : Auto matic acce leration /decele ration 5.1.1 2 Auto matic V/f mod e setting : − (0 is always displayed.
D-4 4.1.2 How to set extended paramete rs The VF-A7 inverter has extended parameters to a llow y ou to make full use o f its functions. The code of ev e ry extended param eter is co mposed up o f an and a 3-digit num ber.
D-5 ■ Example of parameter setting Follo w the procedure below to s et a param eter. (Example of setting: Changing t he positive torque limit param eter f rom 150 to 100) Key opera ted LED dis play Operation The operat ion frequ ency is dis played.
D-6 ■ Searching for a parameter and chan ging its setting Follow the proc edure below to searc h for param eters and chang e their settings. Key opera ted LED dis play Operation The operat ion frequ ency is d ispla y e d. (Mak e this setting when the m otor is out of operati on.
D-7 4.1.4 Parameters that cannot be changed during oper ation For saf ety, the follo wing para mete rs ar e designed s o that th ey ca nnot be c hanged when the invert er is in oper ation. So, you need to st op the m otor in adva nce to ch ange these parameters .
D-8 Following param eters are d esigned c onsideri ng m aintenance tha t the y cannot be reset to the factor y default setting e ven if you set the para meter at (see 5.5). Moreover, x-marked parameters are not displayed on the user parameter group (see 4.
E-1 Basic param eters refer to par ameters you need to set befor e the first use after purchase. 5.1 Setting the accelera tion and deceleration tim es ： A utomatic accelerat ion/deceleration ： A cceleration t ime #1 ： Deceleration time #1 5.
E-2 ☆ If you set in advan ce the acc eleration an d deceleration times ( , ) so t hat they ma tch the average load condition , you can mak e the optimum setting to c ontrol the motor with a hi gher accura cy according to changes in the load app lied.
E-3 5.2 Increasing starting tor que/ energ y-saving operati on mode ： Au tomatic V/f mode setting Title F unction Adjustm ent rang e Def ault sett ing Auto mati c V/f mode setti ng : ― ( is always dis pla yed.
E-4 2) The vector contr ol (Increasi ng the starting torque and op erating with a higher accurac y) Set t he autom atic V/f mode set ting at (vector cont rol (spee d) and auto-tuni ng).
E-5 ■ (Autom atic V/f mode setting) an d (Mo tor contr ol m ode selecti on) The autom atic contr ol param eter is des igned to s et motor c ontrol m ode selection pa rameter ( ) and the aut o-tuning par ameter( ) by one operatio n.
E-6 5.3 Selecting an operation mode : Operation command mode selec tion : Speed setting mode selection [Param eter setting] Title Function Adjustm ent rang e Default s et.
E-7 [Set value] : VI/II inp ut Speed comm ands are entered b y means of ex ternal signa ls (term inal VI: 0 to 10 Vd c or terminal II: 4 to 20 mAdc). : RR input Speeds com mands are entered by me ans of external signa ls (terminal R R: 0 to 10Vdc).
E-8 1) Setting the start, stop and operation frequencies with the operating panel Title Functio n Set value Operation c ommand Mode sele ction (operating panel) Speed set.
E-9 3) Start and stop (forward run , reverse run, free-run stop) with the operating panel and to set the operation frequency by external signals Title Functio n Set value Operation co.
E-10 5.4 Setting and calibra ting meters ： FM Terminal meter selection ： FM Terminal meter adjustment ： A M Terminal meter sele ction ： A M Terminal meter adjustment Note 1: The signal out put from the FM and AM termin al is an analo g voltage sig nal.
E-11 [Terminal AM-related parameters] Title Functio n Adjustm ent range Default s etting AM Terminal meter se lection Same as ( : dis abled) AM Terminal meter ad justment −− ■ Resolution Both the term inals FM and AM ha ve a max imum resolutio n of 1/1024.
E-12 [Exam ple: Procedur e of calibr ating th e meter c onnected to the term inal AM to which "out put current " is assigne d.] Key opera ted, LED displa y Oper ation − The runnin g frequency i s displayed.(If the monitor display mode setting para meter is set a t .
E-13 5.5 Factor y defa ult setti ng ： Standard setting mode selection Title Function Adjustm ent range Default setting Standard s etting mode s election : - : 50Hz standa.
E-14 [ Factory default setti ng ( = ) ] Setting at returns all par ameters to their respecti ve default s ettings. W hen this parameter is set at 3, is displa yed for a whi le, then s witches back to the ori ginal dis pla y ( or ).
E-15 5.6 Forward/reverse run selection (for the panel control only) ： Forward/reverse selec tion ■ Para meter setting Title Functio n Adjustm ent range Default setting Forward/rev erse selection : For ward run : Reverse run ★ The direc tion of rotat ion can be chec ked in status monitor m ode.
E-16 5.8 Upper and low er limit frequencies ： Upper limi t frequenc y ： Lower limi t frequency ■ Para meter setting Title Function Adjustm ent range Def ault setti ng Upper limit freq uency ∼ Lower lim it frequency ∼ 5.
E-17 5.10 Control mode sele ction ： Motor control mode se lecti on ■ Para meter setting Title Function Adjustm ent rang e Default s etting Motor cont rol mode s el.
E-18 2) Setting suitable for fans and pumps [Set the motor control mode selection at (Var iabl e torque mode).] This control m ode is used for s uch loads as fans , pumps and blowers , with the characteris tic that the t orque is pro portional t o the squar e of the ro tating speed of the load.
E-19 4) To increase starting torque and the accur ac y of operation - Vector control [Set the V/f control selection para meter at (Sensor less vector control).] In vector c ontrol m ode, the VF-A 7 inverter enables t he Tos hiba standard m otor com bined with it to produc e large torqu e even at extrem ely low speeds .
E-20 6) To increase start ing torque and the ac curacy while sav ing energy [Set the motor control mode selection parameter at (Sensor-less v ector control + automat ic energy- sa v ing).
E-21 8) To control the torque [Set the V/f control selection paramet er at (sensorless v ector co ntrol (speed/torque swit chable).] In this m ode, the tor que produc ed by the m otor is controlled b y means of tor que c omm and signals .
E-22 5.11 S w itching betw een speed con trol and torqu e control ： Motor control mode selection ∼ ： Input terminal selection #1 to #8 (On e of these functions(termina ls) is used.
E-23 [Torque reference] The comm and set with the param eter is valid. (Defau lt setting: RX input ) Title Functio n Adjustm ent rang e Default setti ng Torque r eference sel.
E-24 5.12 Manual torque boost - Increasing the torque produced at low speeds ： Manual torque boost [ Par ameter] Title Functio n Adjustm ent range Default setting Manual boos t.
E-25 1) Setting the electr onic thermal protection characteristics parameter and the motor overload protection level #1 The elec tronic thermal pr otectio n charac teristic s select ion param eter is use d to enable or dis able the m otor overload tr ip function ( ) and the s oft stall func tion.
E-26 [Exampl e of setti ng: VF-A 7 2007PL with a 0.4 kW motor (rated current: 2A )] Key opera ted LED displa y Oper ation The runnin g frequency i s displayed.
E-27 2) Motor 150%-overload time limit The m otor 150%-over load tim e limit par ameter is used to set the time elaps ed bef ore the motor trips under a load of 150% (overload trip ) with in a ran ge of 10 to 2400 secon ds.
E-28 5.14 Preset-speed operatio n (15 speeds) ∼ ： Preset-speed #1 to #7 ∼ ： Preset-speed #8 to #15 ∼ ： Preset-speed #1 to #15 con trol mode [Setting m ethod] 1) Start/stop Start and stop contr ol is experienc ed by the contr ol panel.
E-29 [An exam ple of the co nnection of term inals ] Forward r un comm and) Revers e run comm and) Pres et-speed #1 P r e s e t .
E-30 4) Setting the operation mode An operation m ode can be selecte d for each pr eset-speed. Operation m ode setting Title Func tion Adjust ment rang e Default setti ng Present-s peed operati on mode : Disab led : Enabled : Disab led .
F-1 Extended parameters are used for sophisticat ed operatio n, fine adj ustment and s pecia l purposes . Change param eter settings , as required. Extended par am eter list => Refer to Cha pter 10.
F-2 6.1.2 Putting out signal s of a rbi trar y frequencies ： Spee d reach setting frequency ： Spee d reach detecti on band ■ Settin g of reach freq uency and detecti on.
F-3 6.2 Selection of input signals 6.2.1 Changing standb y signal function ： ST (standby ) signal selection ■ Parameter setting Title Functio n Adjustm ent rang e Default s etting .
F-4 [ = (reverse)] [ = (Stop) ] 6 . 2 . 3 Assignin g priori ty to th e terminal board i n panel operati on mode ： Prior ity setting of input termina l .
F-5 [ : terminal board has priority (Enabled)] Priorit y is given to comm ands entered f rom the term inal board ev en in c ontrol panel op eration mode.
F-6 [When term inalsS3, S4 an d CC are ass igned to forc ed jog forward/re verse] Assign the co ntrol term inal S4 (def ault: 16 (preset-s peed # 4)) to jog run.
F-7 6.3 Selection of terminal fu nctions 6.3.1 Keeping an input termi nal function always active (ON) ： Always active function selecti on ■ Parameter setting Title Function Adj ustm e.
F-8 6.3.4 Changing output terminal functions ： Outpu t terminal sel ection #1 (OUT1) ： Outpu t terminal sel ection #2 (OUT2) ： Outpu t terminal sel ection #3 (FL) ∼ ： Output terminal selection #4 ∼ #7 Refer to 7.
F-9 6.4 Basic parameters #2 6.4.1 Switching among V/f character istics #1, #2, #3 and #4 from input terminal ： Base frequency #2 ： Manual torque boost #3 ：.
F-10 S1(V/f s witching #1) -CC S2(V/f s witching #2) -CC V/f Parameters sele cted OFF OFF # 1 Base frequency #1 ： Base frequency volt age #1 ： Manual torque boost ： Mo.
F-11 6.6 Speed/tor que command g ain and bias 6.6.1 Using two ty pes of frequency (speed) commands ： Speed setti ng mode selec tion ： Ref erence priority selection .
F-12 3) Automatic switching by means of switch ing frequencie s ( ＝ ) A: If the f reque ncy set with is higher tha n that set with ・・・ Prior ity is given to the command set with .
F-13 ■ Param eter settin g Title Funct ion Adjustment rang e Default setting Speed settin g mode select ion :VI(voltage i nput)/II(current input) :RR(volume/ voltage input) .
F-14 6.7 Operation fre quenc y 6.7.1 Start-up frequenc y and End frequenc y ： Start-up frequency ： Stop frequency [Param eter setting ] Title Functio n Adjus tment rang e.
F-15 [Param eter setting ] Title Function Adj ustm ent range Default sett ing 0Hz dead band freq uency ∼ [Hz] notes 1) This function is in valid to pres et-speed oper ation.
F-16 [D.C. brak ing under norm al conditions ] (Forward/reverse D C braking priority control = [OFF]) ① If and > reference frequency : DC inje ction .
F-17 [Param eter setting ] Title Functio n Adjustm ent rang e Default setting Motor s haft fixing c ontrol : Disab led, : Enabl ed If the m otor s haft f ixing control paramet.
F-18 r o t a t i o n i f is set up hig hly, please be care ful. A trip may occur according to load conditions. Note.6) Setting of thi s function will influe nce following D C injectio n brak ings. 1. DC in jection br aking by terminal co mmand (th e input termi nal funct ions 22 and 23) 2.
F-19 6.10 Jump freque nc y - Jumping resonant fr equencies ： Jump frequency #1 ： Jump frequency band #1 ： Jump frequency #2 ： Jump frequency.
F-20 6.12 PWM carrier frequenc y ： PWM carrier fr equency [Param eter setting ] Title Function Adjustment r ange Default s etting P W M carrier frequency ∼ ( , ) [kHz](*1) [Upper limits differ by applicable motor capacity.
F-21 Step 1: Set the contro l method of A uto-restart 1) Restart after a momentary power failure ★ = : T his f unction is perf orm ed when the inv erter recover s from a momentar y power failure af ter under- voltage of the main c ircuit and t he control c ircuit).
F-22 [Adjustm ent value] ： VF-A7 s earches the m otor speed and res tarts. It detects the m otor speed als o at th e tim e of a po wer suppl y inject ion. T his method needs setti ng of m otor constant par ameters . Acti vation of zero s peed m otor needs waiting times .
F-23 St ep 3: Set the property of A uto-rest art 1) Case = [Param eter setting ] Title Function Adjustment r ange Default setti ng Auto-restart adjus tment #1 .
F-24 6.13.3 Retr y function ： Retry selection W a r n i n g Mandatory ･ Do not get near the a larm- stopped motor and m achine. When t he invert er is in retry m ode, the al arm-s toppe d moto r and mach ine une xpect edly restart when the prede termined tim e has p assed, and t hus might c ause you to get an inj ury .
F-25 6.13.4 Dy namic (regenerat ive) br aking - To urgently stop the motor ： Dy namic braking mode selection ： Dy namic braking resistance ： Dy namic braki.
F-26 2) A n external braking resistor (optional) a) Ex ternal br aking resistor (with a therm al fuse) (optio nal) [Param eter setting] Title F unction Adjustment r ange Setting value .
F-27 b) W hen using a brak ing resistor without therm al fuse ( * 1 ) Connection when usin g an M CCB with a to p coil instead of an MC. ( * 2) A step-down transfor mer is required for 400V models but no t for 200V models.
F-28 3) Selection of braki ng resistor option and brak ing unit braking resist or option Overload relay(THR) Model T ype form Rating Continuous regenerative braking allowable capacity (*1) Regulated a.
F-29 6.13.5 Av oidi ng over-voltage trip ： Ov er-voltage stall protection ： Ov er-voltage stall protection level (high response) ： Ov er-voltage stall prot.
F-30 ☆ The ratio of th e volt age to the fr equency c an be adjus ted to the m otor capacit y . Setting at enab les the inver ter to prevent th e output volt age from increasing with the input vol tage when t he operation frequenc y is higher than the base freque ncy.
F-31 6.14 Drooping c ontrol ： Drooping gain ： Speed at a drooping gain 0% ： Speed at the drooping gain ： Drooping insensitive torque band ： Output filter for drooping Note : Above paramet ers are valid only w hen is set at , or .
F-32 If f requenc y 1 ＜｜ f requenc y after accelerat ion ｜≦ fre quency 2 Droopi ng gain ( ｜ freq. after acceleration ｜ − freq.1 ) 10 0 ( f r e q .
F-33 [Param eter setting ] Title Function Adjustment r ange Default setting Output signal sel ection of commercia l power/invert er switchin g : OFF : Auto matic sw itching in cas.
F-34 6.17 PID control ： Signal selection of PID control ： Delay filt er ： Proportional (P) gain ： Inte gral (I) gai n ： PID deviation upper limit ： PID deviation lower limit ： Diffe rential (D) gai n 6.
F-35 6.20 Setting motor cons tants ： Auto-tuning ： Motor constant #5 ： Slip frequency gain ： Number of motor poles ： Motor co.
F-36 [Setting pr ocedure] Key opera ted LED d isplay Operation The runnin g frequenc y is dis pla yed. (Make this settin g when the motor is out of operation.
F-37 Step 1: Setting the rating of the motor Pole num ber: Motor t ype: Set ( Auto-tuning ) Setting ／ Other than 4P motor 4P motor : Other motors .
F-38 Step 2: Setting motor constants This section descr ibes how to set motor constants . Select the it ems to be im proved and chang e the relate d motor c onstants. ① Slip fre quency gain This parameter is to adjust t he slippage of the m otor.
F-39 ■ Examples of setting auto-tuning Here are setti ng exam ples for each of the selections 1, 2 and 3 des cribed i n 6.20. a) Combinatio n with a T osh iba standard motor (4P motor with th e same cap acity as the inv erter) Inver ter : VF A7 - 20 37PL Motor : 3.
F-40 6.21 Torque c ontrol Refer to 5.11 f or switch to Tor que control 6.21.1 Torque reference ： Torque reference selection ： Torque reference mode selection .
F-41 3 ) Voltage sig nal 0 ∼± 10Vdc ⇒ RX te rminal [Default sett ing] [A rbi tra ry se tt in g] ・ Motor torque : -100% at -10V dc, 0% at 0Vdc a nd + 1 0 0 % a t + 1 0 V d c .
F-42 6.21.3 Speed limits in torque contr ol mode ： Forward speed limit input select ion ： Forward speed limit input level ： Rev erse speed limit input sele.
F-43 ■ Setting by means of ext ernal signals The speed lim its can be chan ged arbitrar ily by settin g external signa ls. [Selection of exter nal signals] voltag e signals current s ignals Title Fu.
F-44 [Param eter] Title Function Adjustment r ange Default setti ng Selection of synchroniz ed torque bias i nput : Invalid : VI/II : RR : RX : RX2 (opti onal) : P.
F-45 voltag e signals current s ignals 6.22 Torque lim it ： Selection of power running torque limit #1 ： Power running torque limit #1 ： Selection of regen.
F-46 ■ Parameter setting Title Function Adjustment r ange Default setting Selectio n of power runni ng torque lim it #1 : VI(voltage) / II(current) : RR(volum e / voltage) :.
F-47 Title Function Adjustment r ange Default setting Selectio n of power runni ng torque lim it #1 : VI(voltage) / II(current) : RR(volum e / voltage) : RX(v oltage) : RX.
F-48 Torque limits can be se t with t he param eters and . [Positive torque li mit] ( Selectio n of power running torqu e limit #1 ): S e t a t ( ) ( Power running torqu e limit #1 ) :Set a desirab le torque limit lev el.
F-49 [Selecti on of external sig nals] Voltage s ignals Current s ignals Title Function Adjustment r ange Default setting Selectio n of power runni ng torque lim it #1 : VI(voltage) /.
F-50 6.23 Secondar y acceleration/decelera tion 6. 23 . 1 Acceleration and deceleration patterns ： A cceleration/decele r ation p attern #1 ： S-pattern lo w er limit adju.
F-51 6.23.2 S w itch ing of acce lerati on/decelerat ion #1, 2, 3 and 4 ： A cce lerat ion time #2 ： Ac celera tion ti me #4 ： Deceleration tim e #2 .
F-52 2) Swit ching by frequ encies - A utomat ically sw itching acc/d ec times at certain frequencie s Title Functio n Adjus tment range Def ault setting Accelerat ion/dece leratio n swit.
F-53 ■ Paramete r setting a) Operatio n mode: T erminal board operatio n Set the opera tion comm and mode s election at . b) Switch ing term inals: S3 and S4( Other term inals also can be settled for this purpos e.
F-54 6.24 Pattern run ： Pattern run selection ： Pattern run mode , , , ： Cy cle numbe r of pa ttern group #1 to #4 .
F-55 ＜ Basic op erating ＞ Step Setting Parameter 1 Set the pattern ru n selection pa rameter at (Enabled). ＝ (Disabled), (Enabled) 2 Change all frequencies re quired to pre set- speed frequen cies.
F-56 ★ Set the input term inal selec tion ∼ at (or ): pattern run trig ger signa l. Notes) ・ Pattern operat ion groups shou ld be selected by termi nal input. ・ When the opera tion command mode sel ection is set for panel op eration, patt ern group #1 i s always selected.
F-57 6.25 Protection fu nctions 6.25.1 Motor over r oad protection − level adjust / motor ty pes ： Motor ov er road protection lev el #1 ： Ov erload reduction start-up frequency ＊ Refer to 5.
F-58 6.25.4 Emergency stop ： Emergency stop ： Emergency DC injection braking control time Note) W hen setting at or (Emergen cy DC injecti on braking.
F-59 6.25.7 A ction at lo w currents ： Low-current trip ： Low-current detection lev el ： Low-current detection time ＝ ： Disabl ed ・・・・・ n ot trip(FL is not active) Low-current alarm can be out put by output terminal se lection.
F-60 ＝ (Dis abled) ・・・・ do es not trip (F L is not activ e). ＝ (Enabl ed) ・・・・ T he inverter tri ps if a torque larger tha n (during powe r running) or (during r egenerati on) passes f or a tim e longer th an the tim e set with .
F-61 6.25.12 Ov er-voltage stall protection level ： Ov er-voltage stall protection level(high response) ： Ov er-voltage stall protection level ＊ Ref er to 6.
F-62 6.26 Special analog inpu t ： A cceleration/deceler ation base frequency adjustment ： Upper -limit frequency adjustment ： Accele ration time adjustment.
F-63 6.27 Over-ride ： Over-ride additi on input selection ： Over-ride multipl ication input selection Tit le Functio n Adjustme nt range Default s etting Ove.
F-64 Ex1: ＝ (VI input), ＝ (dis able d) Output frequenc y = Reference + Over-ride (V I input [Hz]) Ex2: ＝ (VI input), ＝ (dis .
F-65 6.28 Meter output 6.28.1 Setting of meter outputs ： A M terminal meter selection ： A M terminal meter adjustment Refer to 5.
F-66 6.29 Control panel parameters 6.29.1 Pr ohibiting the change of parameter settings ： Prohibition of pa rameter setting ■ Settin g method ： Allo wed ･･････ No parameter s are write- protected.
F-67 6.29.3 Display the motor speed and the load speed ： Frequency free unit magnification ■ Val ue display ed The LED d isplays the va lue obt ained by multi plying the m onitored or parameter -set fr equency by the value set with .
F-68 Title Functio n Adjustm ent range Default setting Value dis played af ter change (exam ple) : 1 [s] : 0.1 [s ] Decim al place num ber of Acceler ation/dece leratio n tim e : 0.01 [s] 6.
F-69 6.29.7 Selecting a control panel stop pattern ： Panel stop pattern 1) Slowdown stop The m otor stops in the d eceleration t ime set with the param eter ( , or ). 2) Free-run stop The output of the inver ter is cut of f.
F-70 6.29.10 Canceling PI D control in panel operation mode ： Panel PID control OFF ： PID contro l enabled PID contr ol is exer cised if is not s et at . ： PID contro l disabled Open- loop contr ol ( normal c ontrol m ode) is exercise d instead of PID contro l.
F-71 6.29.14 Restricti ng or prohibiting ke y operation ： Panel operation prohibition ■ Setti ng Ever y ke y operation , enabled ・・ ・・・ ( Default s etting) Ever y ke y operation , prohibited ・・・・ Ex.
F-72 6.30 Communica tion func tion (RS485/comm on serial) ： Communication rate (common serial) ： Parity (common serial/RS48 5) ： Inverter number (common) .
F-73 ■ Settin g of operation c omm and (common serial) Title Function Adjus tment range Default setting Setting Operation c omm and m ode selection ∼ (Term inal block enab.
F-74 6.30.2 Using the RS485 port fi tted as s tandar d W ith the standard serial RS485, you can co nnect each i nverter to a hi gher-ord er control system (host com puter) to set up a data com munic ations network between in verters. Also, you can establish a data comm unications l ink between a com puter and each inverter .
F-75 ＜ Broadc ast comm unications ＞ W hen the hos t computer to invert ers broadc asts an op eration f requenc y r eference. ① The host computer tr ansmits dat a to inv erters. ② Each inverter rec eives dat a from the host co mputer and c hecks the number specif ied by the computer against its n umber.
F-76 ■ Settin g of operation c omm and (RS485) Title Function Adjustment range Default setting Setting Operation c ommand mode se lection ∼ (Terminal block enabled) (RS485) Note) To use inter-drive communica tion ( ), can't be set at for mas ter an d sl ave inverter.
G-1 7. 1. External Opera tion The inv erter can be f reely con trolled exter nally. Param eters mus t be differentl y set depend ing on the operation m ethod. Mak e sure of the operation m ethod before settin g param eters, and set par am eters properl y to the oper ation mode according to the pr ocedure m entioned be low.
G-2 7. 2 A ppl ied operatio n with input and out put signals (operation b y the terminal board) 7. 2. 1 Functions of input terminals (in case of sink logic) Signals that are su pplied to c ontrol in put term inals fr om the program mable contr oller , etc.
G-3 Inve rter 3) In case of connectio n with trans istor output ＊ Regarding interf ace be tween inverter and program mable controller In the case programmable control ler of open collector ou.
G-4 ■ Table of contact in put term inal func tion sett ings Parameter s etting Parameter setting Positiv e logic Negative logic Function Positive logic Negative logic Function 0 1 No assignme nt fun.
G-5 7. 2. 2 Functions of output termi nals (in case of sink logic ) Thes e functions are us ed to out put var ious signals from the inverter to externa l equipm ent. The f unctions fr om 0 through 11 9 can be u tilized b y setting param eters f or the OUT 1, OUT2, FL (FLA, FL B, FLC) of the control term inal board.
G-6 ■ Output terminal function(open collector , relay outputs ) settings and detection levels T able of output term inal func tions and detection levels Para me ter sett ing Posi ti .
G-7 Para me ter sett ing Posi ti ve logic Negative logic Function Operation ou tput speci fications ( in case of positive log ic) 38 39 PID deviation lim it "ON": PID dev iation is in or set valu e.
G-8 Para me ter sett ing Posi ti ve logic Negative logic Function Operation ou tput speci fications ( in case of positive log ic) 92 93 Designa ted data output #1 94 95 Designa ted data output #2 96 9.
G-9 7. 2. 3 Setup of input/out put terminal operation time ■ Setup of response time Title F unction Adjustm ent range Default va lue Input term inal #1 res ponse tim e (F) ∼ .
G-10 7. 3 Setup of ex ternal speed com mand (analo g signal) Functio n of analo g input term inals can be selec ted fr om four func tions (exter nal vo lume, 0 to 10 VDC, 4 to 20 m A DC, -1 0 to +10 VDC) . The select ive functi on of anal og input term inals h elps flexible design of a system .
G-11 7. 3. 1 Setup by analog i nput signals (RR terminal) If a vari able resistor (1-10 k Ω , 1/4 W ) for setting up fr equency is con nected with the RR term inal, the inver ter can be r un and sto pped with ex terna l comm ands.
G-12 7. 3. 2 Setup by analog i nput signals (VI/II termi nal) Connect current signal (4 t o 20 mADC) to the terminal II or voltage sig nal (0 to 10 VDC) to the termina l VI so that the i nverter can be ru n and stopp ed with ex ternal comma nds.
G-13 7. 3. 3 Setup by analog i nput signals (RX terminal) Connect v oltage sign al (0 to ± 1 0 VDC) to the t erminal RX so that t he inverter can be r un and stopped with external comm ands.
H-1 8. 1 Status mo nitor mode Status of the inver ter can be m onitor ed. To m onitor the in verter when it is n orm ally running, Press t he key twic e a nd the c urre nt stat us is in dic ated on the L ED dis play. Setup proc edure to m onitor the i nverter stat us.
H-2 (Con tinued from the pre ceding page ) Com. No. Details of ind ication Key operat ed LED display Description FE10 Past trip # 1 ⇔ (Alternate ly blink ing at interv als of 0.5 second) P ast trip #1 FE11 Past trip # 2 ⇔ (Altern ately blink ing at inter vals of 0.
H-3 ■ Infor mation on output te rminals Inform ation on outp ut terminals and outpu t terminals are f or the optiona l add-on cas sette. .
H-4 8. 2 Changi ng status mo nitor functi on ■ Changing indication of status with power on The s tandard monitor mode ( * 1) indicat es running frequenc y (with def ault sett ing) suc h as " .
H-5 ［ Setup va lues of m onitor indicat ion param eters( ∼ ) ］ Com. No. Setup value Func tion Indication Unit( Panel) Unit(Com- munic ation) FD00 0 Running freque ncy Depends on 0.
H-6 8. 3 Indication in trip status W hen the inverter tri ps, details of the trip s tatus are indicated. I n the stat us m onitor mode, the status when the inver ter trips is held. ■ Details of indicat ions of trip status Trip ind ication Details Com.
H-7 ■ Examples of reading out trip dat a Com,No. Contents of indica tion Key operated LED display Descripti on FC90 Tr ip inform ation Status monitor mo de (Blinkin g for trip indication) Motor is in free-run status .
H-8 （ Contin ued from the preceding page ） Com,No. Contents of indica tion Key operated LED display Descripti on FE10 Pas t trip #1 ⇔ (Alternately b linking at intervals of 0. 5 second) Past trip #1 FE11 Pas t trip #2 ⇔ (Alterna tely blinkin g at intervals of 0.
I-1 Danger Mandatory ・ W hen using the in verter with out the fr ont cover, be sure to plac e the in verter un it insid e a cabinet. If they are us ed outside the cabinet, it ma y cause electric shock . Be grounded ・ Be sur e to ground e very unit.
I-2 ■ Selection of wiring equi pment Mo lded c ase c irc uit brea ker (MCCB) Earth lea kage circu it breake r (ELCB) (*4) Magn etic con tactor ( MC) (*2), (*3), (*4) Overload r elay (THR) without re.
I-3 Among the w iring equipmen t shown in th e above table, t he magneti c contact ors (MC) and overl oad relays (THR) are new models of the TeSys serie s. When using old models of the Mighty J series, refer to the following compariso n table that shows con sistency betw een models of th e two ser ies.
I-4 Note on wiring ・ If alternat e operat ion to run an d stop the inverter is frequentl y repeated, don't turn it on/off with the prim ary electrom agnetic co ntactor. Run and stop t he invert er with the control term inals F and CC (f orward) and R and CC (re verse).
I-5 9. 4 Applicatio n and func tions of opti ons Separat e type opt ions show n below are prepared f or the in verter VF- A7 Sor ts of separ ate-t ype options No.
I-6 No. Opt ion name Function, purpose. ⑧ Motor noise reduct ion filt er (for large capacity model only) Can be used t o supp ress t he magneti c nois e from motor.
I-7 No. Opt ion name Function, purpose. ⑪ Parameter writer This unit collec tively reads , copies and writes se tup par ameters. There fore, mul tiple inverte rs can b e set up the s ame by us e of t his uni t. St orage ca pacity of one paramet er writ er is for th ree inverte rs.
I-8 No. Opt ion name Function, purpose. ⑭ RS-232C communica tion converter c able If this unit is used to c onne ct the inverter and a persona l computer and so on w ith each other, data co mmunication can be performed betwee n the two be sides eas y adjustment of para meters, saving and w riting data.
I-9 Selec tion tabl e of separat e-type opti ons Radio noise r eduction filter Volta g e class A pplicable moto r [kW ] Inv ert er model Inp ut A C reac tor ( ACL ) DC reac tor (DCL) High at.
I-10 9. 5 Optional add -on cassettes The f ollowing add-o n cassette options ar e prepar ed for the i nverter VF- A7. ※ It can be applied to after CPU versi on “V300”.
I-11 ② Expans ion TB opt ion un it Function Des cription 16-bit binary input (12-bit binary) 4-digit BCD code input (3-digit BCD code) Contact input Multifunct ion programmable input (high-order 8 bits ) ･ Sink input ON : 5 V DC o r less ( 5 mA ty pe) OFF : 11 V DC or more, or 0.
I-12 9. 6 Board o ptions Besides the optio nal ad d-on cassett es, s uch the bo ard options as sho wn bel ow are prepared f or the inverter VF-A7. ■ Table of board options Option nam e Function, pur.
I-13 9.7 Before installing optional add-on cassette or board option W hen using optiona l add-on cass ette(s) or a b oard option wit h a model 37kW or more, prepare for ins talling acc ording to ex planation below. In any case, chec k that all the po wer sources ar e OFF befor e opening the f ront cover.
I-14 9.7.2 Case 2 Case 2- A . When PG feedb ack functio n is used Prepare for insta lling accordi ng to 9.7.1, 1 to 5. Case 2-B. When PG feedback f unction is mot used Prepar ation is not needed. Note1) Att ach flexible co nnecting board to the board-A (not to the control board).
J-1 1.
J-2 1. Basic p arameters ( 2/2) V ect or co ntrol Tit le Communi catio n No . Function Adj ustment range Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol .
J-3 2. Extended p arameters [1] F r eq u e n c y s ig n a l V ect or co ntrol Tit le Communi catio n No. Function Adjustment range Min. unit (panel/ communica tion) Default sett ing Write dur ing .
J-4 [3] T erminal f unction selecti on (2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d co.
J-5 [5] Basic p arameters #2 V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e cont rol Positio n cont rol V/f Constant Refe rence sectio n 0170 Bas e frequenc y #2 25.
J-6 [7] S peed/ tor que ref eren ce gain/ bia s setu p (1/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing run.
J-7 [7] Speed/torque reference gai n/bias setup (2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp.
J-8 [1 1] Jumper frequency V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e cont rol Positio n cont rol V/f Constant Refe rence sectio n 0270 Jum p freque ncy #1 0.
J-9 [14] T ripless intensification setup (2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d .
J-10 [16] Functions f or lift ( 2 / 2 ) V ect or co ntrol Tit le Communi catio n No Function Adj ustment range Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont ro.
J-1 1 [20] V ector control V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e cont rol Positio n cont rol V/f Constant Refe rence sectio n 0374 Current con trol propor tional gain 1.
J-12 [22] Motor c onst ant V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e .
J-13 [24] T orque limit V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e con.
J-14 [25] Speed/torque refer ence gain/bias setup #2 (2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing runni.
J-15 [27] Pa ttern run (1/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u .
J-16 [27] Pa ttern run (2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment range Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e.
J-17 [28] Protect ion functio ns V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q u e cont rol Positio n cont rol V/f Constant Refe rence sectio n 0600 Mot or ov erloa d prot ecti on level # 1 10 ∼ 100 [%] 1/0 .
J-18 [29] Special analog i nput V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q.
J-19 [31] M eter output (2/2) V ect or co ntrol Tit le Communi catio n No Functi on Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont rol To r q .
J-20 [33] Communicat ion function(1/ 2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont ro.
J-21 [33] Communicati on function(2/2) V ect or co ntrol Tit le Communi catio n No Function Adjustment r ange Min. unit (panel/ communica tion) Default sett ing Write dur ing running Sp e e d cont.
J-22 ［ Cont ents of monit or indi cati ons ］ Communi cation number Funct ion Communicati on unit Monitor outpu t selectio n T rip holding Meter output selectio n S peed control T orque control Position control V/f co nstant Reference section ― S tandard moni tor ― (*1) FE00 T r ip f re q u en c y m o n it o r 0.
J-23 ［ Mo nito r F M/A M/puls e ou tpu t fun ction se lect ion ］ Communi cation number Funct ion Communicati on unit Monitor outpu t selectio n T rip holding Meter output selectio n S peed control To r q u e control Position control V/f co nstant Reference section 0 F D 0 0 Ru nning fre quency 0 .
J-24 ［ Input terminal function setting (1/2) ］ Positive logic Negative logic Funct ion S peed control T orque control Position control V/f co nstant = = .
J-25 ［ Input termina l f unc tion setti ng (2/2) ］ Positive logic Negative logic Funct ion S peed control T orque control Position control V/f co nstant = = .
J-26 ［ Ou tput term ina l func tion sett ing (1 /2) ］ Positive logic Negative logic Funct ion S peed control To r q u e control Position control V/f co nstant Reference section 01 Lower limi t fre.
J-27 ［ Ou tput term ina l func tion sett ing (2 /2) ］ Positive logic Negative logic Funct ion S peed control To r q u e control Position control V/f co nstant Reference section 64 65 Ready fo r op.
J-28 [Default s ettings] nver ter m ode l Acc/dec time / / / / To r q u e boost Base fre q.
K-1 11. 1 Standar d specifications b y types 1) Standard speci fications by types (small/ m edium capa city ty pes) Item Descripti on Voltage class 20 0 V c la s s Applicable motor [kW] 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11 15 18.5 22 30 37 45 55 Model N o.
K-2 2) Standard sp ecifications by types (large capacity types) Item D es c ri p t io n Voltage clas s 200 V class Applicable motor [kW] 75 90 Model N o. VFA7– Type 2750P1 2900P1 Output ca pacity [kVA] (*1) 110 133 Output cur rent [A] 288 350 Output volt age 3-phase 200 t o 230 V (Max imum output volta ge correspo nds to input s upply voltage.
K-3 4) Comm on specif ications Item Descripti on Control method Sinus oidal P W M contr ol Output volt age adjustment Main circu it voltage f eedback contr ol (Automatic reg ulation, "fix ed" and "co ntrol off" selectio ns possibl e) Output frequenc y range 0.
K-4 (Continue d from the pr eceding page) Item Descripti on Warni ng mes sage Stall prevention durin g operation, ove r-cu rrent suppression, ov erload, power source-side undervolta ge (optional), D C circuit u ndervoltage, se tting error, retry in process, up per/lower lim its.
K-5 11.2 External d imensions and mass ■ External dimensions and mass Dimens ions [mm ] Voltage class Applic able mot o r [kW ] Inverter t y pe WH D W 1 H 1 Outl ine drawin g Approx. ma ss [kg] 0.4 V FA7-2 004PL 3.5 0.75 V FA7-2 007PL 3.5 1.5 V FA7-2 015PL 3.
K-6 ■ Outlin e dra w ing s Not e)VF A7-200 4PL an d -2007P L hav e no cool ing f an. Dr awing A D r a w i n g B Note)VF A7-21 85P, -2220 P, -4185P, -42 20P have co oling fan in the upper part.
K-7 Dr awing G ■ Dimensions for heat-s ink going out attachment(si mple ty pe) Dimens ions when heat- sink going out attachm ent (sim ple t y p e, refer to page A-19) is car ried ou t becom es as f ollows. For dim ensions not in the t able belo w, refer to the dim ensions for normal attachm ent (Drawing E, F, G).
L-1 12. 1 Cause of trip, warning indi cation (in detail and counterm easures) If there is something abnormal in the in verter or system, troubleshoot referring to the following table before calling service.
L-2 (C ontinued f rom the preceding p age) Indication Contents Expected cause s Co unter measur es Over-voltage during fix ed speed ･ Input voltag e abnormally v aried. 1 Power capacity is 500 kVA or more. 2 Power-factor improv ing capacitor w as turned on/off .
L-3 (Continue d from the pr eceding pa ge) Indication Contents Expected cause s Co unter measur es (*1) Under-voltage (main circuit) ･ Input voltag e (main cir cuit) becomes i nsufficien t in operatio n. ･ Momentary power failure o ccurs because un dervoltage continues longer than un der-voltage detection ti me .
L-4 [Message] The fol lowing are m essages on ly. No tr ip is developed . Indication Contents Expected cause s Countermeasures ST-CC opened ･ ST terminal i s in open-circu it.
L-5 12. 2 Method of reset ting causes of tri p If the inverter trips b ecause of trouble or m alfunction, remove the caus e of tri p befor e resettin g it. If the invert er is reset as the cause of trip rem aining with it, i t again trips in s pite of resetting.
L-6 12. 3 In the c ase motor does not run in spite of no tri p message app earin g ... W hen the motor does n ot run in sp ite of no tr ip m essage appeari ng on the d isplay, proc eed to troubleshoo ting acc ording to t he follo wing flowchar t. YES : NO : Motor do es not r un.
L-7 12. 4 Ho w to check ot her troubles Expected causes of other tr oubles (a bnorm al operations and con ditions) a nd meas ures to s ettle those tro ubles are sh own belo w. Abnormal operation/ condition Cause s and measure s Motor runs revers ely. ･ Change p hase sequenc e of output termi nals U, V and W.
M-1 Danger Mandatory ･ Be sure to ins pect the inverter reg ularly. If the in verter is us ed without regular inspect ion, it may c ause troub le or acc ident becaus e sign of d isorder or f ailure is m issed. ･ Complete the f ollowin g steps bef ore procee ding to i nspection.
M-2 13. 2 Periodical inspe ction Make pe riodical in spection a t interval s of three o r six mont hs dependin g on operating condition s. Danger Mandatory ･ Complete the f ollowin g steps b efore proc eeding t o periodic al inspec tion. 1 C ut off po wer suppl y (turn off the inverter) .
M-3 ■ Replacement of expendable parts The inver ter incorpor ates a gre at deal of electronic p arts such as semiconductor s, etc. T he follo wing parts deterior ate because of their c onstruc tions, physical char acterist ics and ag ing.
M-4 13. 3 When making a service call For the Tos hiba serv ice network , ref er to the back cover of this instruct ion m anual. If defecti ve conditio ns are encount ered, pl ease contac t the T oshiba ser vice sect ion in char ge via your Tos hiba dealer.
N-1 The inv erter is war ranted by T osh iba for rep air and adjustm ent free of char ge based on the follo wing cond itions. 1. W arranty is lim ited to the inv erter's m ain bod y only.
O-1 Warning Mandatory ・ W hen disposing a n inverter, d o it as a n industrial waste fol lowing regu lations and loca l rules c oncerned. If it is d isposed oth erwise, it ma y caus e injur y to persons . W hen disposing a us ed inver ter, pa y heed to the f ollowing points.
An important point after buying a device Toshiba VF-A7 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Toshiba VF-A7 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Toshiba VF-A7 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Toshiba VF-A7 you will learn all the available features of the product, as well as information on its operation. The information that you get Toshiba VF-A7 will certainly help you make a decision on the purchase.
If you already are a holder of Toshiba VF-A7, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toshiba VF-A7.
However, one of the most important roles played by the user manual is to help in solving problems with Toshiba VF-A7. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Toshiba VF-A7 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
