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Toshiba TOSVERT VF-A7, Instruction Manual

The Toshiba TOSVERT VF-A7 is a high-performance variable frequency drive that enables precise motor control in various industrial applications. Its user-friendly interface allows for easy operation, but for a more detailed understanding, the Instruction Manual is available for download free of charge from our website.

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8

Contents sheet

Ⅰ．

Safety precautions

‥･･････････････････････････

1

Ⅱ．

Preface

‥･･････････････････････････

7

Contents sheet

‥･･････････････････････････

8

１．

Read this section first

‥･･････････････････････････

A-1

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１ 

Checking the purchase

‥･･････････････････････････

A-1

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２ 

Contents of the product code

‥･･････････････････････････

A-1

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３ 

Names and functions

‥･･････････････････････････

A-2

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１ 

Panel description

‥･･････････････････････････

A-2

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Main circuit, control power supply and control circuit terminal boards

‥･･････････････････････････

A-4

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３

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Detaching the terminal board front cover 

‥･･････････････････････････

A-8

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４ 

Notes on the application of inverters

‥･･････････････････････････

A-9

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１ 

Notes on motors combined with inverters

‥･･････････････････････････

A-9

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Notes on inverters

‥･･････････････････････････

A-11

  

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Influences of leakage currents and measures against it

‥･･････････････････････････

A-12

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Notes on installation

‥･･････････････････････････

A-14

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Basic explanation

 ―

２．

Connection

‥･･････････････････････････

B-1

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１ 

Cautions as to wiring

‥･･････････････････････････

B-1

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２ 

Standard connection

‥･･････････････････････････

B-3

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Explanation of terminals

‥･･････････････････････････

B-6

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１ 

Main circuit terminals

‥･･････････････････････････

B-6

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Control circuit terminals (sink logic(minus common))

‥･･････････････････････････

B-8

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Serial RS485 communication connector

‥･･････････････････････････

B-11

３．

Operating the inverter

‥･･････････････････････････

C-1

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１ 

Control modes of the VF-A7 inverter 

‥･･････････････････････････

C-2

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２ 

Simple operation of the VF-A7 [1]  [Speed control mode] 

‥･･････････････････････････

C-3

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１ 

Operation from the terminal (external signals)

‥･･････････････････････････

C-3

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Operation from the control panel

 ［

Control panel operation

］ ‥･･････････････････････････

C-6

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Operation of the VF-A7 [2]   [Torque control mode]

‥･･････････････････････････

C-8

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１ 

Setting a control mode

‥･･････････････････････････

C-8

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Polarity of torque command

‥･･････････････････････････

C-10

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Operation from the terminal(external signal)

‥･･････････････････････････

C-11

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Operation from the control panel

 

[

Torque control mode

］

‥･･････････････････････････

C-14

４．

Basic operation of the VF-A7

･･････････････････････

D-1

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１ 

Setting parameters

･･････････････････････

D-1

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１

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１ 

How to set basic parameters

･･････････････････････

D-2

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How to set extended parameters

･･････････････････････

D-4

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Searching for changed parameters and changing their settings again

･･････････････････････

D-5

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Parameters that cannot be changed during operation

･･････････････････････

D-7

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Resetting all parameters to the factory default settings at a time

･･････････････････････

D-7

Summary of Contents for TOSVERT VF-A7

Page 1: ... TOSHIBA Schneider Inverter Corporation 2001 All Rights Reserved 200V class 0 4 90kW 400V class 0 75 280kW II Preface I Safety precautions 1 Read this section first Contents 3 Operating the inverter 2 Connection 5 Basic parameters 4 Basic Operation 7 Operation with external signal 6 9 Peripheral units 8 Monitoring operation status 11 Specification 10 Table of parameters 13 Regular inspection and m...

Page 2: ...ts mandatory items what you must do What you must do is described in or near this symbol by a picture or word Represents danger What is dangerous is described in or near this symbol by a picture or word Represents warning What the warning should be applied is described in or near this symbol by a picture or word Limited applications This inverter is designed to control the speed of three phase ind...

Page 3: ...ase request your TOSHIBA dealer for repair Due to the possibility of contaminants entering the drive disconnect the input power if the drive will be unused for extended periods The leakage current caused by the contamination may result in fire 2 3 3 3 Warning Reference Never touch Do not touch any heat sink or braking resistor or you could get a burn since they become very hot 3 Prohibited Do not ...

Page 4: ...idents 1 4 4 1 4 4 1 4 4 1 4 4 1 4 4 Warning Reference Prohibited Do not hold the front cover to carry the inverter or the cover could come off and cause the main unit to fall thus causing you to get an injury Do not install the inverter in any place subject to vibration or it could fall causing injury to persons 2 1 4 4 Mandatory For a model 20 kg or more in weight designed for 30kW motors or lar...

Page 5: ...minutes or more after turning off the power make sure that charge lamp is extinct 3 Using a circuit tester with a D C voltage measuring capacity of more than 800V check to be sure that the voltage remaining in the D C main circuit between PA and PC is below 45V Failure to do so could lead to an electric shock Tighten the terminal board fixing screws at the specified torque Failure to do so could l...

Page 6: ...se do not set the stole prevention level to 30 or less in the usual usage 3 3 3 6 21 6 25 2 Mandatory Do not turn on the power before attaching the front cover When the inverter is installed in a cabinet with the inverter s front panel detached always close the door of the cabinet before turning on the power Turning on the power with the cover or the door left opened could lead to an electric shoc...

Page 7: ...rence Mandatory When you throw away the inverter have it done by a specialist in industrial waste disposal If the collection transport and disposal of industrial waste is dune by someone who is not licensed it is punishable as a violation of the law Laws in regard to disposal and cleaning of waste People who specialize in the processing of waste and are known as industrial waste collectors and tra...

Page 8: ...mber of functions including torque control sensor or sensorless vector control drooping function commercial power inverter switching function and various communication functions which allow the inverter to be used as part of a system 3 Torque control In addition to speed control by the frequency command VF A7 is capable of speed control by the torque command which is best suited to winding control...

Page 9: ...ol circuit terminals sink logic minus common B 8 ２ ３ ３ Serial RS485 communication connector B 11 ３ Operating the inverter C 1 ３ １ Control modes of the VF A7 inverter C 2 ３ ２ Simple operation of the VF A7 1 Speed control mode C 3 ３ ２ １ Operation from the terminal external signals C 3 ３ ２ ２ Operation from the control panel Control panel operation C 6 ３ ３ Operation of the VF A7 2 Torque control mode ...

Page 10: ...put signals F 3 ６ ２ １ Changing standby signal function F 3 ６ ２ ２ Priority selection both F CC R CC are ON F 3 ６ ２ ３ Assigning priority to the terminal board in panel operation mode F 4 ６ ２ ４ Binary BCD signal selection Expansion TB option unit F 6 ６ ３ Selection of terminal functions F 7 ６ ３ １ Keeping an input terminal function always active ON F 7 ６ ３ ２ Changing input terminal functions F 7 ６ ３ ３ ...

Page 11: ...e filter F 41 ６ ２１ ３ Speed limits in torque control mode F 42 ６ ２１ ４ Torque bias and load sharing gain F 43 ６ ２２ Torque limit F 45 ６ ２３ Secondary acceleration deceleration F 50 ６ ２３ １ Acceleration and deceleration patterns F 50 ６ ２３ ２ Switching of acceleration deceleration 1 2 3 and 4 F 51 ６ ２３ ３ Minimum acceleration deceleration times F 53 ６ ２４ Pattern run F 54 ６ ２５ Protection functions F 57 ６ ２５...

Page 12: ...ptional F 72 ６ ３０ ２ Using the RS485 port fitted as standard F 74 For designing a system ７ Operation with external signal G 1 ７ １ External operation G 1 ７ ２ Applied operation with input and output signals operation by the terminal board G 2 ７ ２ １ Functions of input terminals in case of sink logic G 2 ７ ２ ２ Functions of output terminals in case of sink logic G 5 ７ ２ ３ Setup of input output terminal ...

Page 13: ...cation in detail and countermeasures L 1 １２ ２ Method of resetting causes of trip L 5 １２ ３ In the case motor does not run in spite of no trip message appearing L 6 １２ ４ How to check other troubles L 7 １３ Regular inspection and maintenance M 1 １３ １ Regular inspection M 1 １３ ２ Periodical inspection M 2 １３ ３ When making a service call M 4 １３ ４ When retaining the inverter out of operation M 4 １４ Warran...

Page 14: ... 022 3 7kW 037 5 5kW 055 7 5kW 075 11kW 110 15kW 150 18 5kW 185 22kW 220 30kW 300 37kW 370 45kW 450 55kW 550 75kW 750 90kW 900 110kW 110K 132kW 132K 160kW 160K 220kW 220K 280kW 280K Note Turn off the power in advance when checking the rating of the inverter installed in a cabinet １ Read this section first Type indication Warning label Power supply Motor capacity Pet name 200V 3 7kW Use an inverter...

Page 15: ...the terminal board in error Terminal board cover Terminal board cover fixing screws RUN key lamp Lit when the RUN key is enabled RUN key Pressing this key while the RUN key is lit starts the motor STOP key Pressing this key while the RUN key lump is lit causes the motor to make a slowdown stop UP DOWN key lam With these keys you can set the operation frequency while the UP DOWN lamp is lit VEC lam...

Page 16: ...otor or smaller 2 Using scissors or a cutter cut the rubber bush in the wiring hole as shown below Models for 22kW motor or smaller Rubber bush Cut Cooling fin Ventilation slits Wiring hole 2 Rating label Connectors for optional add on module board Side view Bottom view Warning label on the top 1 ...

Page 17: ...Main circuit control power supply and control circuit terminal boards １ Main circuit terminal board VFA7 2004PL 2037PL VFA7 4007PL 4037PL VFA7 2055PL 2075PL VFA7 4055PL 4075PL VFA7 2110P 2150P VFA7 4110PL 4150PL ...

Page 18: ...A 5 Grounding terminal VFA7 2300P 4300P VFA7 2185P 2220P VFA7 4185P 4220P VFA7 4370P1 4550P1 ...

Page 19: ...A 6 VFA7 2750P1 VFA7 4110KP1 4132KP1 VFA7 2900P1 VFA7 4160KP1 4280KP1 VFA7 2370P1 2550P1 VFA7 4750P1 ...

Page 20: ...wer supply unit option Refer to 9 4 1 Refer to 2 2 for the connection of control power cables by voltage R46 R41 and S0 terminals VFA7 2055PL 2220P VFA7 4055PL 4220P VFA7 2300P VFA7 4300P VFA7 2370P1 2900P1 VFA7 4370P1 4280KP1 Control power supply inputs Control power Power supply supply inputs 1 for control circuit ...

Page 21: ...ront lower cover for wiring following the steps below Less than 22kW For a 30kW model or larger detach the whole front cover for wiring Remove the two screws at the lower part of the front cover To detach the cover draw the terminal board cover toward you while swinging it up a little Hooked F ST CC CC RR R ＶＩ FM OUT1 P24 PP RES S2 S3 S4 RX S1 ＩＩ FP OUT2 AM FLA FLB FLC ST CC shorting bar Screw siz...

Page 22: ...r vibration which can exceed a limit that the motor or its bearings can withstand Contact the motor maker if you wish to operate the motor at such a high frequency Load of an oil lubrication type When a speed reducer or a gear motor of an oil lubrication type is operated by the inverter its oil lubrication efficiency decreases in low speed ranges Inquire of the speed reducer maker about the allowa...

Page 23: ...chanical and electrical types Select a braking system which matches your system Load producing negative torque When the inverter is combined with a load producing negative torque the over voltage or over current protective function of the inverter sometimes works and causes the motor to trip In this case it is necessary to install a dynamic braking resistor etc suitable for the load Motor with a b...

Page 24: ...ent remove the capacitor from the motor Connecting such a capacitor causes the inverter to break down and the motor to trip or breaks the capacitor itself Use of an inverter at a voltage other than the rated one There is a need to connect it to a power unit supplying a voltage different from the rated voltage increase or reduce the supply voltage to the inverter s rated voltage using a transformer...

Page 25: ...For the models with a built in noise filer the leakage current value at power supply of Δ delta connecting wire 1 phase earth can be larger than normal inverter so be careful Standard leakage current value VFA7 2004PL 2037PL about 4mA VFA7 2055PL 2075PL about 13mA 2 Influences of a current leaking from a cable into other cables Thermal relay If a current leaks from an output cable of an inverter t...

Page 26: ...t For a model with relatively long cables longer than 50 m or a model for motors with small current ratings several amperes especially 400V model with a small capacity 3 7kW or less the ammeter can be burned more easily by the high frequency elements of a leakage current which flows into it through the external CT because a leakage current can be too large as compared with the current rating of th...

Page 27: ...g label Supplying a voltage exceeding the above range could lead to a breakdown an electric shock or a fire Warning Prohibited Table1 Allowable chemicals and solvents Chemical Solvent Hydrochloric acid concentration of less than 10 Methanol Sulfuric acid concentration of less than 10 Ethanol Nitric acid concentration of less than 10 Triol Caustic soda Mesopropano l Ammonia Glycerin Sodium chloride...

Page 28: ... Models for 18 5kW motors or larger can be used at ambient temperatures of up to 50 These models have no label on their top Do not install the inverter in any place subject to vibration Note If you intend to install it in a place subject to vibration you should take measures to protect it from vibration In such a case contact your Toshiba dealer in advance If installing the inverter close to any o...

Page 29: ...to withstand its weight or it could fall and cause injury to persons Install a mechanical brake whenever the motor requires a brake device which retains the motor shaft Failure to do so could lead to injury to persons because the inverter itself has no function of mechanically retaining the brake shaft Installation place Install the inverter vertically on a flat steel wall in a well ventilated pla...

Page 30: ...ed type cabinet m2 0 4 50 0 29 1 0 0 75 70 0 40 1 4 1 5 110 0 63 2 2 2 2 140 0 80 2 8 3 7 220 1 3 4 4 5 5 310 1 8 6 2 7 5 420 2 4 8 4 11 580 3 3 11 6 15 770 4 4 15 4 18 5 940 5 4 18 8 22 1110 6 3 22 2 30 1490 8 5 29 8 37 1530 8 7 30 6 45 1850 10 5 37 0 55 2250 12 8 45 0 75 3050 17 4 61 0 200V 90 3650 20 8 73 0 0 75 70 0 40 1 4 1 5 110 0 63 2 2 2 2 140 0 80 2 8 3 7 220 1 3 4 4 5 5 280 1 6 5 6 7 5 3...

Page 31: ...all them in the same duct or in parallel with each other and do not bind them together Be sure to ground the grounding terminal G E of the inverter Be sure to connect a surge suppressor to every electromagnetic contactor and every relay installed near the inverter Install noise filters as required Notes on the installation of two or more inverters in a single cabinet When installing two or more in...

Page 32: ...you carry out heat sink going out attachment please change the position of the attachment ornaments hanging hole of the inverter according to the following figure 1 Metallic ornaments with the hanging hole are attached only in the following models 200V class Applicable motor capacity is 75kW or larger 400V class Applicable motor capacity is 110kW or larger 1 Normal attachment 2 Heat sink going out...

Page 33: ...closing the door of the cabinet if the inverter is installed in it Turning on the power with the cover or the door left opened could lead to an electric shock Entrust all electrical work to an experienced specialist Wiring by an inexperienced person could result in a fire or an electric shock Connect the output terminals on the motor side correctly connection of the terminals causes the motor to r...

Page 34: ...o large space between terminals and attach them in order so that they do not come into contact with each other Be sure to ground the inverter by connecting wires of the following size or larger to the grounding terminal G E Voltage class Applicable motor Grounding wire size AWG cross section mm2 0 4 5 5kW 12 3 5 7 5kW 10 5 5 11 15kW 6 14 18 5 22kW 4 22 30 37kW 2 38 45kW 2 0 60 200V 55 90kW 4 0 100...

Page 35: ... AM FM FP Ammeter Frequency meter Digital voltmeter PO PC PA1 PB PB1 PA Main circuit Built in dynamic braking resistor Reverse Standby Reset Preset speed 3 Preset speed 2 Current signal 4 to 20mA ＩＩ MCCB Voltmeter or ammeter R0 S0 Note １ This circuit is provided only for the 3 7kW and smaller models Connector for common serial communication RS485 connector for serial communication SINK SOURCE Comm...

Page 36: ...or serial communication SINK SOURCE Common External potentiometer or voltage signal between RR and CC 0 10V R20 S20 1 Connect a power source for the control circuit 2 The inverter is shipped with the terminals PO and PA shorted with a bar Remove this shorting bar when installing a DC reactor DCL 3 Power output for the control circuit which is provided only for the 400V 37kW and larger models Singl...

Page 37: ...ked if only the control circuit is energized FLC FLB FLA S20 RUN Surge suppressor OFF ON R20 RUN Connection of a RUN relay for the 400V models Main circuit power supply 200V class 75 90kW 3 phase 200 230V 50Hz 60Hz 400V class 110 280kW 3 phese 380 460V 50Hz 60Hz Control circuit Motor IM FL G E CC RX VI RR PP F RES CC R L1 S L2 T L3 U T1 V T2 W T3 Control panel FLC FLB FLA Voltage signal 10 10V Vol...

Page 38: ...ase 380 460V 50 60Hz 30 75kW 3 phase 380 440V 50Hz 380 460V 60Hz Between R46 S0 Single phase 415 440V 50Hz 415 460V 60Hz Between R41 S0 Single phase 380 415V 50Hz 380 415V 60Hz Maximum allowable output of control power source 200V class 0 4 30kW 50VA 37 90kW 60VA 400V class 0 75 30kW 50VA 37 75kW 150VA 110 and 132kW 200VA 160 280kW 350VA PA PB Used to connect a dynamic braking resistor For the opt...

Page 39: ...al resistor Do not remove nor connect any external device Provided only for the 3 7kW and smaller models Terminal symbol Inverter internal circuit R L1 S L2 T L3 U T1 V T2 W T3 G E Circuit of A 200V class 0 4 7 5kW 400V class 0 75 15kW noise filter circuit 200V class 11 90kW 400V class 18 5 280kW noise by pass circuit R0 S0 R46 R41 R20 S20 Fig 1 200V class 0 4 22kW 400V class 0 7 22kW Fig 2 200V c...

Page 40: ... CC are connected No voltage contact input 24Vdc 5mA and less Sink logic source logic switchable Sink input ON 5Vdc or less OFF 11Vdcormore Source input ON 11Vdc or more OFF 5Vdc or less PP Output Analog input setting power output 10Vdc Allowable load current 10mAdc RR Input Multifunction programmable analog input Factory default setting 0 to 10Vdc input sets 0 to 80Hz frequency range 10Vdc Intern...

Page 41: ...ontrol circuit P24 Output 24Vdc power output power for control of the inverter 24VDC 100mA OUT1 Multifunction programmable open collector output The terminal has been set by default so as to detect and output low speed signal output frequencies OUT2 Output Multifunction programmable open collector output The terminal has been set by default so as to detect and outputs signals indicating the comple...

Page 42: ...ized causes the inverter to trip In such a case before resetting the inverter make sure that the logic have been switched correctly After switching logic be sure to attach the switch cover to prevent the logic from being switched by mistake If the error message sink source switching error is displayed check to be sure that the sequence is normal then reset the inverter CC OUT1 Sink logic Inverter ...

Page 43: ...s for RS485 communication Note Please detach a communication line and the main circuit wiring 20cm or more Please do not connect pin 1 24Vdc and pin 7 5Vdc Please twist the lines between RXA and RXB between TXA and TXB by the twist pair cable Please connect terminus resistance at the terminal both ends of a transmission way When you use it by 2 line type please short circuit between RXB and TXB be...

Page 44: ...ead to a fire If any defect is found request your Toshiba dealer for repair Turn off the power before leaving the inverter out of operation for a long period of time Do not turn on the power before attaching the front cover When the inverter is installed in a cabinet with the inverter s front panel detached always close the door of the cabinet before turning on the power Turning on the power with ...

Page 45: ... the inverter monitors the output voltage and passes an output current commensurate with the load This mode of operation is used in conjunction with the above mode 3 or 4 Torque control mode The motor torque is controlled by torque command signals The motor s rotating speed is determined by the relationship between the load torque and the torque produced by the motor Sensor vector control Optional...

Page 46: ...and closed Forward run and open Slowdown stop When terminals and are electrically connected Example of typical connection Ｆ ＣＣ Ｆ ＣＣ ＣＣ To make the motor coast to a stop coast stop described on the left break the connection between ST and CC when the motor is out of operation Then is displayed on the LED display of the inverter rotating speed Frequency ON OFF ON OFF Terminal F CC Terminal ST CC Mot...

Page 47: ...fore the first use after purchase ３ Setting the frequency by a current signal 4 to 20 mA Current signal 4 to 20mAdc Parameter setting Speed setting mode selection parameter at This setting cannot be made when the terminal VI is used ＰＰ ＣＣ ＲＲ ＩＩ ＣＣ Frequency setting with potentiometer Volume control The operation frequency by potentiometer 1 to 10kΩ1 4 W for setting Refer to 7 3 for details of adju...

Page 48: ...g frequency is displayed Make this setting when the motor is out of operation If the monitor display mode setting parameter is set at Running frequency Press the MON key to call up the first basic parameter automatic acceleration deceleration Select by pressing the or key Press the Enter key to display the parameter setting set value Default setting Change the parameter setting to by pressing the ...

Page 49: ...n deceleration Select by pressing the or key Press the Enter key to display the parameter setting Default setting Change the parameter setting to Operating panel enabled by pressing the key Save the change by pressing Enter key Then and the set value are displayed alternately Select by pressing key or key Press the Enter key to display the parameter setting Default setting Change the parameter set...

Page 50: ... Refer to 6 30 7 for details of this setting Factory default setting Coast stop Emergency stop from the control panel in modes other than the panel operation mode A stop mode can be selected from among Coast stop Slowdown stop DC injection braking Note default setting Coast stop In modes other than the control panel operation mode you can urgently stop the motor emergency stop by entering a comman...

Page 51: ...r control mode selection at sensor less vector control speed torque switching Setting procedure Key operated LED display Operation The operation frequency is displayed Make this setting when the motor is out of operation If the monitor display mode setting parameter is set at Running frequency Press the MON key to call up the first basic parameter automatic acceleration deceleration Select by pres...

Page 52: ...mode setting parameter is set at Running frequency Press the MON key to call up the first basic parameter automatic acceleration deceleration Select by pressing the or key Pressing the Enter key displays extend parameters starting at 100 Select input terminal function selection 8 S4 by pressing key Press the Enter key to display the parameter setting Change the parameter setting to control switchi...

Page 53: ...on Positive torque Forward run Negative Torque Reverse run Power running torque limit 1 Regenerative torque limit 2 Torque command Continuous forward reverse Area Area Area Area Power running torque limit 1 Forward run Operation by forward run command F Operation by Reverse run command R Reverse run Area Area Area Area Power running torque limit 1 Regenerative torque limit 1 Regenerative torque li...

Page 54: ...to 10 Vdc Voltage signals 0 10 Vdc Set the torque reference selection at RX input Default setting Ｆ ＣＣ Ｆ ＣＣ ＣＣ ST ＲＸ ＣＣ 10V 10V Forward run １００ １００ Reverse run Voltage signal Torque command by means of voltage signals 0 to 10 Vdc Motor IM G E CC RX II RR PP F S4 CC R L1 U T1 Operating panel External potentiometer or voltage signal RR CC 0 to 10 V Voltage signal 10 to 10V Current signal 4 to 20mA S...

Page 55: ...g by means of a volume control Parameter setting Set the torque reference selection parameter at RR signal input Voltage signal Torque command by means of voltage signals 0 to 10 Vdc ＲＲ ＣＣ Motor torque 100 0 0Vdc 10Vdc ＶＩ ＣＣ Motor torque 100 0 0Vdc 10Vdc Voltage signal Torque command by means of voltage signals 0 to 10 Vdc ＩＩ ＣＣ 100 Motor torque 0 4mAdc 20mAdc Current signal Torque command by mean...

Page 56: ...splayed Make this setting when the motor is out of operation If the monitor display mode setting parameter is set at Running frequency Press the MON key to call up the first basic parameter Automatic acceleration deceleration Select by pressing the or key Press the Enter key to display the first parameter Select by pressing the key Press the Enter key to display the parameter setting Select VI II ...

Page 57: ...ess the Enter key to save the change Then and the set value are displayed alternately Selecting a torque command mode To make it possible to set a torque command from the operating panel in torque control mode Set the extended parameter torque command selection at Control panel Setting procedure Key operated LED display Operation The operation frequency is displayed Make this setting when the moto...

Page 58: ...etting Select by pressing the key Press the Enter key to display the parameter setting Change the parameter setting torque command by pressing key Press the Enter key to save the change Then and the set value are displayed alternately ３ Press the Monitor key three times in a row to display the frequency Press the Run key to start the motor According to the torque the motor accelerates to a frequen...

Page 59: ... parameter Used to search for parameters the settings which have been changed and are different from the factory default settlings Use this parameter to check parameter settings again after confirmation or when changing parameter settings Parameter code MON 4 Basic operation of the VF A7 This mode enables you to monitor the output frequency and set frequency command values This mode is also used t...

Page 60: ...e another parameter was changed A value smaller than the lower limit value is entered or the value set for the currently selected parameter becomes smaller than the lower limit value because another parameter was changed If the above alarm code or blinks change the parameter setting below the value or above the value respectively When any of these alarm codes is blinking no change can be made to a...

Page 61: ...nformation Memorization of user defined parameters Reset of user defined parameters 5 5 8 Forward reverse selection At panel control only Forward Reverse 5 6 9 Acceleration time 1 s See J 28 5 1 2 10 Deceleration time 1 s See J 28 5 1 2 11 Maximum frequency Hz 5 7 12 Upper limit frequency Hz 5 8 13 Lower limit frequency Hz 5 8 14 Base frequency 1 Hz 5 9 15 Motor control mode selection Constant tor...

Page 62: ...eter from among the basic parameters Select the parameter you want to change by pressing and key then press the Enter key to display the parameter setting MON MON ENT ENT ENT Press the Monitor key to switch to parameter setting mode is displayed Select the parameter the code of which is the closest to that of the parameter you want to change Press the Enter key to activate the selected parameter S...

Page 63: ...ey Press the Enter key to save the change Then the parameter code and the set value are displayed alternately 4 1 3 Searching for changed parameters and changing their settings again You can search for and display all parameters the settings of which have been changed are different from their respective default settings using the user parameter group With this parameter you can also change their s...

Page 64: ...ch for parameters in reverse direction Press the MON key to display the parameter setting set value Change the parameter setting by pressing or key Press the enter key to save the change Then the parameter code and the set value are displayed alternately Following the same steps as above search for and display other parameters you want to change one by one by pressing the or key to check or change...

Page 65: ...e selection parameter Procedure for resetting all parameters to the factory default settings at a time Key operated LED display Operation The operation frequency is displayed Make this setting when the motor is out of operation Press the MON key to call up the first basic parameter automatic acceleration deceleration Switch to by pressing or key Press the Enter key to display the parameter setting...

Page 66: ... be careful Title Function display Title Function display FM terminal meter selection VI II reference bias Ｘ FM terminal meter adjustment Ｘ VI II reference gain Ｘ AM terminal meter selection RR reference bias Ｘ AM terminal meter adjustment Ｘ RR reference gain Ｘ Optional analog terminal 1 meter selection RX reference bias Ｘ Optional analog terminal 1 meter adjustment Ｘ RX reference gain Ｘ Optional ...

Page 67: ... So use the manual setting for machines that need to be accelerated and decelerated always at constant rates Set manually the acceleration and deceleration times in the case that braking resistor or braking unit is applied For a load that requires the inverter to be operated almost at its rated current the motor may fail to reach the specified speed within the specified time In such a case set man...

Page 68: ...e the operation frequency goes up from 0Hz to the maximum frequency and the deceleration time the operation frequency goes down from the maximum frequency to 0Hz Parameter setting Title Function Adjustment range Default setting Acceleration time 1 See note s Model dependent Deceleration time 1 See note s Model dependent Note The minimum setting of acceleration and deceleration times have been set ...

Page 69: ...ED display Operation The running frequency is displayed Make this setting When the motor is out of operation If the monitor display selection parameter is set at Running frequency Press the MON key to read the first basic parameter Automatic acceleration deceleration Switch to the parameter automatic control by pressing the key Press the Enter key to display the parameter setting set value Change ...

Page 70: ... 1 The same characteristic can be obtained by setting the motor control mode selection parameter at vector control and the auto tuning parameter at Refer to 5 10 for details 2 Setting at causes to be set at automatically 3 To operate the inverter in energy saving mode Set the automatic V f mode setting at automatic energy saving auto tuning When the automatic V f mode setting is set at the inverte...

Page 71: ...ess vector control Executed Returns to after execution 4 To increase torque manually V f constant control The VF A7 inverter has been set to this control mode by default This control mode in which the torque is kept constant is suitable for belt conveyers and so on It is recommended to select this mode if you want to manually increase the starting torque To return to the V f constant control mode ...

Page 72: ...l and a RS485 optional RS485 communication standard Start and stop control is exercised from RS485 communication device fitted as standard Communication option Start and stop control is exercised from add on module communication option Parameter setting Title Function Adjustment range Default setting Speed setting mode selection VI voltage input II current input RR volume voltage input RX voltage ...

Page 73: ...n module option Speed commands are entered from the network communication device TOSLINE F10M or S20 optional Up down frequency Speed commands are entered by means of up down frequency signals from the terminal board refer to 7 2 Pulse input Speed commands are entered by means of pulses optional The following communication devices are optionally available RS232C Type RS2001Z RS485 Type RS4001Z Up ...

Page 74: ... CC F R ST R L1 U T1 Control panel CC The inverter is shipped with these terminals shorted Power supply S L2 T L3 V T2 W T3 RX VI RR PP II To save the frequency press the Enter key Then and the set frequency are displayed alternately for a while As for the action the motor takes when both the terminals F and R are connected at the same time you can make selection between reverse run and a stop Ref...

Page 75: ...ame time you can make a selection between reverse run and a stop Refer to 6 2 2 Other speed setting RX2 voltage input optional 12 16 bit binary input optional Serial communication optional Serial communication RS485 Communication add on optional Up down frequency Pulse input optional For the setting to be made when using an asterisked optional device as an input device refer to the instruction man...

Page 76: ...eal time value Speed feedback 1 second filter Torque Torque reference Internal torque reference Torque current Exciting current PID feedback value Motor overload factor OL2 data Inverter overload factor OL1 data PBr overload factor PBrOL data PBr load factor pulse duty Input power Output power Peak output current Peak DC voltage Motor counter dummy PG Position pulse RR input VI II input RX input R...

Page 77: ...ceeding to calibration make the zero adjustment of the meter itself Key operated LED display Operation The running frequency is displayed If the monitor display mode setting is set at Running frequency Press the MON key to call up the first basic parameter automatic acceleration deceleration Select by pressing the or key Press the Enter key to display the running frequency Adjust the meter by pres...

Page 78: ...isplay mode Calibrate the meter by pressing the or key Adjust the pointer to the graduation to which you want it to point when the inverter passes a current 150 larger than its rated output current Note that the meter reading varies during adjustment though the reading in the digital LED monitor on the control panel does not change By setup before the needle of meter begins to sway it will take ti...

Page 79: ...cy 50Hz Base frequency 4 50Hz BIN reference point 2 frequency 50Hz Upper limit frequency 50Hz Pulse reference point 2 frequency 50Hz Forward speed limit input level 50Hz Point 2 frequency 50Hz Reverse speed limit input level 50Hz Automatic light load high speed operation frequency 50Hz Commercial power inverter switching frequency 50Hz 60 Hz standard setting Setting at causes all the following par...

Page 80: ...of type form information When a trip occurs because of a type error is displayed you can clear the trip by setting at This function is used to reformat a control circuit board to adapt it to an inverter for example when a circuit board is removed from an inverter to use for another inverter for maintenance or for other reasons This setting clears all type data stored in the inverter Memorization o...

Page 81: ...ating panel enabled 5 7 Maximum frequency Maximum frequency When increasing the adjust the upper limit frequency parameter as well if necessary Parameter setting Title Function Adjustment range Default setting Maximum frequency Hz Function This parameter is used to set the direction of a motor when it is started or stopped by pressing the Run key or Stop key on the control panel This parameter is ...

Page 82: ...se parameters are used to set the upper and lower limit frequencies which are the largest and smallest frequencies respectively that the inverter can output 0 100 Output frequency Hz Frequency setting signal The inverter does not output any frequency exceeding the Upper limit frequency 0 100 Output frequency Hz Frequency setting signal The output frequency cannot be set below the Lower limit frequ...

Page 83: ...sually this control mode is used for loads such as belt conveyers and cranes that require the same torque as that produced at the rated speed even at low speeds To further increase the torque use the manual torque boost parameter Refer to 5 1 2 for details Function The VF A7 has the following V f control modes Constant torque characteristic Variable torque mode Automatic torque boost 1 Sensorless ...

Page 84: ... manually set the torque boost rate This control mode involves the setting of the motor constant Basically however there is no need to set the motor constant if the inverter is used for a Toshiba 4P motor with the same capacity as the inverter The motor constant can be set in any of the following three ways 1 Set the basic parameter at With this parameter you can make the setting of both the autom...

Page 85: ...nning frequency is displayed Make this setting when the motor is out of operation If the monitor display selection parameter is set at Running frequency Press the MON key to call up the first basic parameter Automatic acceleration deceleration Switch to the parameter Motor control mode selection by pressing key Press the Enter key to display the parameter setting set value Default setting Constant...

Page 86: ...tuning at a time Refer to 5 2 3 for details 2 Set the extended parameter at In this mode the motor constant is set automatically Auto tuning Refer to selection 2 in 6 20 for details 3 The constants of motors can also be set individually Refer to selection 3 in 6 20 for details 7 To set the V F characteristic arbitrarily Set the V f control selection parameter at V f 5 points setting In this mode t...

Page 87: ... sensorless vector control mode or between 25 and 120 Hz when selecting a sensor vector control mode 3 Use a general purpose or squirrel cage motor with the same rating as the inverter or smaller by one rank This inverter cannot be used for motors with capacities of less than 0 4 kW If the VFA7 2004PL is combined with a 0 2 kW motor an auto tuning error may arise and thus disable the vector contro...

Page 88: ...n 8 S4 Note 1 If the terminal S4 is already assigned to another function use another terminal for this switching 2 The ON OFF logic can be reversed by setting this parameter at 113 ２ Selection of command value Speed setting The command set with the parameter is valid Default setting RR input Title Function Adjustment range Default setting Speed setting mode selection VI voltage input II current in...

Page 89: ...djustment range Default setting Torque reference selection VI voltage input II current input RR volume voltage input RX voltage input RX2 voltage input optional Operating panel input Binary BCD input optional Common serial communication option Serial communication RS485 Communication add on cassette optio n ...

Page 90: ...erload protection level 1 Overload reduction start up frequency Motor 150 overload time limit Parameter setting Title Function Adjustment range Default setting Setting Kind of motor Overload protection Overload stall protect not stall protect stall not protect not stall Standard motor not protect stall protect not stall protect stall not protect not stall Selection of electronic thermal protection...

Page 91: ...for a motor with a capacity or a current rating smaller than that of the inverter it is necessary to adjust the motor overload protection level 1 parameter to the rated current of the motor Explanation of terms Overload stall Soft stall The function of automatically lowering the output frequency before the motor overload trip function is activated when the inverter detects that an excessive load i...

Page 92: ...load stall protect not stall protect stall not protect not stall not protect stall VF motors intended for use with an inverter can be operated in lower frequency ranges than general purpose motors If a VF motor is operated in an extremely low frequency range however its cooling efficiency drops In such a case set the OL reduction start frequency parameter according to the characteristics of the mo...

Page 93: ... trip function is activated frequently this condition can be improved by changing the setting of the stall prevention level parameter to a lower level or increasing the acceleration time or the deceleration time Inverter overload withstanding time s Outline data Output current 200V 0 4 55kW 400V 0 75 75kW 200V 75 90kW 400V 90 110 280kW 111 4800 2400 120 480 240 130 240 120 140 160 80 150 120 60 16...

Page 94: ... of speeds frequencies can be set Setting speeds 1 to 7 Title Function Adjustment range Default setting Preset speed 1 to 7 Setting speeds 8 to 15 Title Function Adjustment range Default setting Preset speed 8 to 10 Example of preset speed contact input signal 0 ON OFF If all terminals are off a speed command other than the preset speed commands is valid Preset speed Terminal １ ２ ３ ４ ５ ６ ７ ８ ９ １０ ...

Page 95: ...RX1 and RX2 Preset speed command Entered Not entered Entered Not entered Entered Preset speed command valid Preset speed command valid Preset speed command valid Preset speed command valid Not entered Control panel command valid Analog signal valid If a preset command and another speed command are entered at the same time priority is always given to the preset speed command The following figure sh...

Page 96: ...ult setting Present speed 1 to 15 control mode Forward run Reverse run Selection of acc dec switching 1 Selection of acc dec switching 2 Selection of V f switching 1 Selection of V f switching 2 Selection of torque limit switching 1 Selection of torque limit switching 2 For the settings marked with more than one function can be selected at the same time by entering the sum of the numbers of the de...

Page 97: ...ction of this parameter is to send a signal for exciting or releasing an electromagnetic brake through the open collector terminal OUT1 or OUT2 24 Vdc max 50 mA Default setting OUT 1 Output terminal setting The low speed signal ON signal output function has been assigned to the terminal OUT1 by default To invert output signals it is necessary to change the setting of the output terminal selection ...

Page 98: ...ut out signals to OUT 1 select the parameter 1 If detection frequency band Speed reach setting frequency Reference frequency 2 If detection frequency band speed reach frequency reference frequency Function When the output frequency enters the frequency range delimited by the frequencies set arbitrarily with the parameters and set frequency set frequency an ON or OFF signal is put out Speed reach s...

Page 99: ...se Stop Function This parameter is used to set the function of the standby signal ST 1 Normal setting Standby if ST and CC are connected ON gate OFF if they are disconnected OFF coast stop 2 Always ON 3 Interlocked with F R Forward reverse run if F R and CC are connected coast stop if they are disconnected F CC ON OFF Breaking the connection of the operation frequency terminal F R causes the motor...

Page 100: ...terminal board The motor runs in reverse direction if F CC and R CC are closed simultaneously Forward Reverse F CC R CC ON OFF ON OFF The motor slows down to a stop if F CC and R CC are closed simultaneously Output frequency Hz Reference frequency s ０ Function This parameter is used to give priority to certain external commands entered from the terminal board in control panel operation mode for ex...

Page 101: ...ngs are invalid when the control panel stop pattern parameter is set at An example of switching to jog run in control panel operation mode Incase that terminals S4 and CC are assigned to jog run Assign the control terminal S4 default 16 preset speed 4 to jog run Title Function Adjustment range Setting value Input terminal selection 8 S4 Jog run Command from the control panel Internal command A B A...

Page 102: ...al selection 7 S3 Forced JOG forward rotation Input terminal selection 8 S4 Forced JOG reverse rotation 6 2 4 Binary BCD signal selection Expansion TB option unit Binary BCD signal selection Expansion TB option unit For details refer to the instruction manual for the optional device ST CC Ｓ4 CC Forced jog R Output frequency Hz Forward Reverse Forward ０ Reference Panel key ＲＵＮ S3 CC Forced jog F ＳＴ...

Page 103: ...16 Input terminal selection 5 S1 Refer to 7 2 1 for details 6 3 3 Signal on completion of acceleration deceleration OUT 2 Output terminal selection 2 OUT2 Setting of output terminal Title Function Adjustment range Setting value Output terminal selection 2 OUT2 Acceleration deceleration completion a contact or Acceleration deceleration completion b contact Note OUT1 for putting out a signal select ...

Page 104: ... Refer to 7 2 2 for details 6 3 5 Response times of input output terminals Input terminal 1 response time F Input terminal 2 response time R Input terminal 3 response time ST Input terminal 4 response time RES Input terminal 5 8 response time S1 S4 Input terminal 9 16 response time Output terminal 1 7 delay time Output terminal 1 7 holding time Refer to 7 2 3 for details ...

Page 105: ...to S2 Title Function Adjustment range Setting value Input terminal selection 5 S1 V f switching 1 Input terminal selection 6 S2 V f switching 2 Function These parameters is useful for for example when 4 motors are connected to a single inverter and thus they need to be switched from time to time to operate or there is a need to change V f characteristics 1 to 4 1 Switching with input terminal 2 Sw...

Page 106: ...on level 4 Acceleration time 4 Deceleration time 4 Acceleration deceleration pattern 4 Power running torque limit 4 Regenerative torque limit 4 Select V f 1 when using the sensor less vector control and the V f 5 point setting Selecting V f 2 3 or 4 disables the vector control but enables the V f constant control In addition if the torque limit switching function and the acceleration deceleration ...

Page 107: ... function is assigned to a terminal Ａ has priority Frequency priority switching terminal OFF Ｂ has priority Frequency priority switching terminal ON Ex When the frequency priority switching function is assigned to terminal S4 Title Function Adjustment range Setting value Input terminal selection 8 S4 Frequency reference priority switching Reference priority OFF has priority ON has priority Functio...

Page 108: ...itching frequencies A If the frequency set with is higher than that set with Priority is given to the reference set with B If the frequency set with is equal to or lower than that set with Priority is given to the reference set with A B Frequency reference Priority is given to the command set with Priority is given to the command set with Frequency reference Priority is given to the command set wi...

Page 109: ... reference point 1 BIN reference point 1 RR reference point 1 frequency BIN reference point 1 frequency RR reference point 2 BIN reference point 2 RR reference point 2 frequency BIN reference point 2 frequency RX reference point 1 Pulse reference point 1 RX reference point 1 frequency Pulse reference point 1 frequency RX reference point 2 Pulse reference point 2 RX reference point 2 frequency Puls...

Page 110: ...s advisable to set these frequencies between 0 5 and 2 Hz at a maximum of 5 Hz This setting reduces the slippage of motor below the rated value to prevent over current If 0 speed torque is needed pt set at At startup frequency set with is put out immediately At stop The output frequency drops to 0 Hz immediately by the frequency set with Function The start and stop of the motor can be controlled s...

Page 111: ...may automatically adjust the D C braking rate D C braking start conditions The forward reverse DC braking priority control function recognizes certain conditions as stop commands from the inverter and is activated when the output frequency goes down below the DC injection braking start frequency set with In this case the conditions under which DC injection braking starts include not only the issue...

Page 112: ...and so that DC injection braking is not active If a reverse run or forward command is entered during forward run or reverse DC injection braking starts when the frequency set with exceeds the reference frequency during deceleration If an operation command is entered during D C braking priority is given to D C braking 6 8 2 Motor shaft fixing control Motor shaft fixing control Function This functio...

Page 113: ...her or not it automatically recovers from tripping by its retry function 6 8 3 Zero speed stop mode selection Zero speed stop mode selection Parameter setting Title Function Adjustment range Default setting Zero speed stop mode selection Standard DC injection braking 0 Hz command DC injection braking start frequency Hz DC injection braking time s Note 1 This function doesn t operate when Note 2 If...

Page 114: ...itch to jog run during normal operation set the forced jog run parameter input terminal function selection at 50 or 51 inversion and 52 or 53 inversion Jog run is operational when the jog run terminals S4 CC is active ON Priority is given to jog run even when an operation command is entered during jog run In control panel operation mode setting the parameter input terminal priority selection at ma...

Page 115: ...Do not overlap upper limit freqency and lower limit frequency within a jump frequency range If they are overlapped it is operated lowest jump frequency Do not overlap two or more jump frequency ranges or it cannot be operated within normal range The operation frequency is not jumped during acceleration or deceleration 6 11 Preset speed 8 15 Preset speed 8 15 Refer to 5 14 for details Function Thes...

Page 116: ...the carrier frequency is lower than 2 2 kHz Note2 In the case that the operation frequency is more than 130Hz carrier frequency is limited to less than 10kHz automatically Note3 Set the carrier frequency to 2 2kHz when sine wave filter LFL LFC is used at output side of inverter Filter can be damaged by fire in the case of other than 2 2kHz 6 13 Trip less enhancement 6 13 1 Auto restart restart dur...

Page 117: ... or To restart the inverter in control panel operation mode press the RUN key after a power failure When Number of PG input phases is set at single phase in PG feedback vector control mode the inverter may trip speed error if the direction of rotation of the motor does not agree with Step 2 Set the mode of Auto restart Parameter setting Title Function Adjustment range Default setting Auto restart ...

Page 118: ...pping Adaptation for elevator applications The load may go down in the waiting time after operation start signal is inputted until it starts When you apply an inverter to an elevator make the setting as And do not use the retry function In the case the auto restart function does not work When a trip occur at the time of auto restart or auto restart function does not work well please adjust paramet...

Page 119: ...n if these functions are used a motor may free run according to load conditions In this case please use the auto restart function together Note These functions do not operate at the time of torque control or position control Note Usual slowdown time comes at the time of notes and The time for which the motor keeps running varies with the inertial of the machine operated and the loading conditions ...

Page 120: ... braking resister No retry is performed if the inverter trips for the following reasons Arm short circuit Interruption communication error Phase failure input side Gate array fault Phase failure output side Output current detector error Loaded side over current at start time Optional unit fault Ground fault Flash memory fault Emergency stop Sink source switching error EEPROM error Speed error Over...

Page 121: ...tall protection Note 3 When using braking unit PB3 set dynamic braking mode selection and over voltage stall protection 1 An internal braking resistor for 3 7kW model and smaller Note The internal braking resistor is already connected to terminals PA1 and PB1 so that the internal resistor is ready for use When the internal braking resistor is not used change its connection from PB1 to PR1 and also...

Page 122: ...r boosting braking force Do not connect an external resistor with a resistance combined resistance smaller than the minimum admissible resistance For overload protection be sure to set the parameters and properly Parameter setting Title Function Adjustment range Setting value Dynamic braking resistance Ω Dynamic braking resistor capacity kW Any value Externally connectable braking resistors resist...

Page 123: ...ircuit is turned off if an inverter s protective function is activated and consequently no trip message is displayed The inverter recovers from a trip if it is turned off So check the trip history record after turning off the inverter and then on again Refer to 8 1 To prevent a trip condition from being cleared by turning off the power and then on again change the setting of the inverter trip rete...

Page 124: ...00W B4 14 kW 1 4 Ω 1 The values in are the total resistor capacities watt and resistances Ω of braking resistors 2 Type form PBR3 Braking resistor Connected to PA PB terminal PB3 Braking unit Braking resistor Braking resistor drive circuit are installed Connected to PA PC terminal DGP600W B Braking resistor Connected to PA PB terminal 3 To use braking resistor DGP600 series installing a braking re...

Page 125: ...sation limited output voltage with voltage compensation limited output voltage If is set at or the output voltage varies with the input voltage The output voltage does not exceed the input voltage even if the base frequency voltage is set above the input voltage Function The functions automatically keep constant or increase the output frequency to prevent tripping due to over voltage in the DC bus...

Page 126: ...ced jog run operation commands become invalid irrespective of the control mode If the motor constant is not set optimally in vector control automatic torque boost mode the motor may slightly run in reverse direction because of the slip frequency Before using this parameter set parameter stop frequency at a frequency close to the slip frequency When the inverter is in sensor vector control mode and...

Page 127: ...ange in the frequency during drooping can be calculated as described below a Gain by internal torque reference Gain 1 If internal torque reference 0 Gain1 internal torque reference dead band 100 Grain 1 needs to be set at 0 or a positive number If internal torque reference 0 Gain1 internal torque reference dead band 100 Grain 1 needs to be set at 0 or a negative number b Gain by frequency after ac...

Page 128: ...ching load torque current during forward run Heavy load torque during acceleration in forward direction Heavy load torque during fixed speed in forward direction Switching load torque current during reverse run Heavy load torque during acceleration in reverse direction Heavy load torque during fixed speed in reverse direction Automatic light load high speed operation frequency 6 16 Commercial powe...

Page 129: ...l power side switching waiting time s Commercial power switching frequency holding time s Input terminal selection 7 S3 Commercial power inverter switching Output terminal selection 1 OUT1 Commercial power inverter switching output 1 Output terminal selection 2 OUT2 Commercial power inverter switching output 2 Frequency Reference Commercial power inverter switching frequency MC output for inverter...

Page 130: ... input pulses Number of PG input phases PG disconnection detection Electronic gear Position loop gain Positioning completion range Frequency limit at position control Current control proportional gain Current control integral gain Speed loop proportional gain Speed loop integral gain Motor counter data selection Speed loop parameter ratio 6 19 Preset speed operation mode Preset speed operation mod...

Page 131: ... motor type at others Selection 1 Setting by the automatic V f mode This is the simplest way of setting With the automatic control parameter you can set the automatic torque boost the sensorless vector control and the auto tuning parameter at a time Automatic V f mode Automatic torque boost auto tuning Automatic V f mode Sensorless vector control auto tuning Automatic V f mode Automatic energy sav...

Page 132: ...Cautions in setting the auto tuning parameter Connect the motor before auto tuning Do not proceed to auto tuning before the motor comes to a full stop If the auto tuning function is activated immediately after stopping motor it sometimes fails to work normally because of a residual voltage A voltage is applied to the motor during auto tuning though it is too low to rotate the motor Usually auto tu...

Page 133: ...tor type Setting Set Auto tuning Setting Check the motor for use pole number rating capacity type Number of motor poles Adjustment range Rated capacity of motor Adjustment range kW Motor type Adjustment range Toshiba standard motor 1 Toshiba VF motor Toshiba V3 motor Toshiba standard motor 2 End of auto tuning No trip Give a Run command Panel displays Run at least 30Hz In case desirable property d...

Page 134: ... speed range and appearance of overload trip etc Motor constant 2 Secondary resistance This parameter is to adjust the secondary resistance of the motor The larger the set value the more the slippage of the motor can be compensated Motor constant 3 Exciting inductance A motor test record can be used for this setting This parameter is to adjust the exciting inductance of the motor The larger the se...

Page 135: ...orless vector control 2 Set the auto tuning at Selection 3 1 Set the motor control mode selection parameter at 3 vector control 2 Change the motor type from Toshiba standard motor to Toshiba VF motor When using a Toshiba VF motor with a rated capacity smaller than that of the inverter properly change the setting of the motor rated capacity parameter 3 Set the auto tuning at c Combination with a st...

Page 136: ...que reference Refer to 6 29 11 for details １ Current signal 4 20mAdc II terminal Default setting Torque produced 0 at 4mAdc and 100 at 20mAdc ２ Voltage signal 0 10Vdc RR terminal Default setting Torque produced 0 at 0Vdc and 100 at 10Vdc Function Selecting a mode of torque command in torque control mode The relationship between the torque command and the motor torque can be changed The and setting...

Page 137: ...ation reverse power running cannot be operated Use vector control with a sensor 2 phases for these uses 6 21 2 Torque reference filter Torque reference filter Title Function Adjustment range Default setting Torque reference filter without filter without filter Motor torque Torque reference 0V 100 100 10V 10V 0 100 0 The relationship between the torque command and the motor torque can be changed Th...

Page 138: ... level Setting of reverse speed limit level Reverse speed limit input selection Parameter Reverse speed limit input level Set a desirable torque limit level Function The function is to limit the rise in the output frequency of the inverter due to a drop of the load torque during operation in torque control mode These functions are usef ul for protecting a machine Torque command Reference torque se...

Page 139: ...2 voltage input optional enabled Reverse speed limit input level Hz Speed limit with the center value specified by a reference Title Function Adjustment range Default setting Speed limit torque 0 reference Invalid VI II RR RX RX2 optional Speed limit torque 0 value Hz Speed limit torque 0 band Hz Speed limit torque 0 recovery time 6 21 4 Torque bias and load sharing gain Selection of synchronized ...

Page 140: ...gnals current signals 2 Selection of tension torque bias input and load sharing gain input Title Function Adjustment range Default setting Selection of tension torque bias input Invalid VI II RR RX RX2 optional Panel input is enabled Binary BCD input optional Common serial communication option FA30 Serial communication RS485 FA32 Communication add on cassette option FA33 Panel tension torque bias ...

Page 141: ...mit Positive negative torque limit a limiting the torque with internal parameters or on communication mode Torque limits can be set with the parameters and Setting of power running torque Selection of power running torque limit 1 Set at Power running torque limit 1 Set a desirable torque limit level Setting of regenerative torque Selection of regenerative torque limit 1 Set at Regenerative torque ...

Page 142: ...ting the torque with external signals The torque limits can be changed arbitrarily by means of external signals External signals Voltage signals Current signals With these parameters you can set 4 patterns of positive torque limits and 4 patterns of negative torque limits Refer to 7 2 for the setting for switching from the terminal board Power running torque limit 1 Regenerative torque limit 1 Pow...

Page 143: ...function may not be functioned In torque control mode the values set with these parameters limit torque reference 2 Positive negative torque limits First you need to set the polarity of each torque limit Set at Title Function Adjustment range Setting value Torque limit mode polarity Power running regenerative torque limit Positive negative torque limit a Limiting the torque with parameters RX CC I...

Page 144: ...tage RX voltage RX2 voltage optional Regenerative torque limit 1 invalid Note If the value set with stall prevention level is smaller than the torque limit then the value set with acts as the torque limit b Limiting the torque with external signals The torque limits can be changed arbitrarily by means of external signals Positive Forward Negative Reverse With these parameters you can set 4 pattern...

Page 145: ... voltage RX2 voltage optional The torque limit function is active in vector control mode In V f constant control mode square reduction control mode and V f 5 point setting mode the torque limit function plays the same role as the stall preventive function 6 25 2 In torque control mode the values set with these parameters limit torque command values RR CC 0 10V RX CC 0 10V VI CC 0 10V II CC 4 0 20m...

Page 146: ... where a motor needs to be speeded up to or slowed down from a high speed range of over 60 Hz in a short time or where there is a need to absorb shocks at the start of acceleration and deceleration This pattern of acceleration and deceleration is suitable for the operation of transportation and lifting equipment 3 S pattern acceleration deceleration 2 In this pattern the motor speeds up slowly in ...

Page 147: ... 4 selection Acc dec 1 Acc dec 2 Acc dec 3 Acc dec 4 Acceleration time 3 s Model dependent Deceleration time 3 s Model dependent Acceleration time 4 s Model dependent Deceleration time 4 s Model dependent １ Selection with parameters The acceleration deceleration time selection parameter has been set at 1 by default The setting of can be changed from to or The setting of is valid when is set at 1 F...

Page 148: ...the set frequency while the acc dec time 2 is selected in the frequency range of the set frequency to the set frequency Acceleration at the gradient of Deceleration at the gradient of Acceleration at the gradient of Deceleration at the gradient of Acceleration at the gradient of Deceleration at the gradient of Acceleration at the gradient of Deceleration at the gradient of 3 Switching with termina...

Page 149: ...S pattern 2 Acceleration deceleration pattern 2 Linear S pattern 1 S pattern 2 Acceleration deceleration pattern 3 Linear S pattern 1 S pattern 2 Acceleration deceleration pattern 4 Linear S pattern 1 S pattern 2 Refer to 6 23 1 for an explanation of the acceleration deceleration patterns The settings of the S pattern lower limit adjustment amount and the S pattern upper limit adjustment amount ar...

Page 150: ...f pattern group 4 1 Pattern group 4 selection 1 8 Skip to Preset speed 1 15 operation continuation mode Operation time in second after start of operation Operation time in minute after start of operation Operation time in second after attainment of frequency Operation time in minute after attainment of frequency Infinite continued until stop command is entered Continue until next step command Pres...

Page 151: ... selection to If you set at at item 3 above select step trigger signals from Selecting pattern run continuation signals makes it possible to select a start stop method Pattern group 1 Pattern group 2 Pattern group 3 Pattern group 4 Pattern run continuation signal Pattern run trigger signal 5 Monitor displayed during pattern run During pattern operation the following run information is displayed be...

Page 152: ...tched to one another In this case it may take about 0 06 seconds to search for each pattern 10 milliseconds after a pattern operation group selection 1 2 3 or 4 is activated turn on the operation signal F CC Within 10 ms or less a signal for ordinary operation may be put out Output frequency Hz s F CC ON OFF 0 Setting frequency Preset speed 1 to 15 operation continuation mode Infinite continued un...

Page 153: ...4 can be used as a stall prevention You can make various settings by combining these functions with the V f1 2 3 and 4 functions 6 25 3 Inverter trip holding Selection of inverter trip holding Parameter setting Title Function Adjustment range Default setting Selection of inverter trip holding Cleared if power is turned off Hold even if power is turned off The last 4 trip records can be held and di...

Page 154: ...e Input terminal selection 8 S4 emergency stop Note 1 An emergency stop can be carried out from the terminal even in panel operation mode In this case however holding down the Stop key for more than 5 seconds causes the inverter trip even when is set at or Note 2 If DC injection braking is not needed for normal stops though is set at or emergency DC injection braking then set the DC braking time a...

Page 155: ...Adjustment of detection pulse for output short circuit during start up μs Standard detecting at starting A check is made once at the first start of operation after the power is turned on or the inverter is reset Set the pulse length for the detection of short circuits Note Shorten the pulse length if the motor trips in error OCL at start up especially a high speed motor 6 25 9 Over torque trip Ove...

Page 156: ...s high even when the inverter is out of operation Title Function Adjustment range Default setting Cooling fan control mode Automatic Always ON 6 25 11 Cumulative operation time alarm Cumulative operation time alarm setting Panel display of corresponds to 10 hours If is displayed the cumulative operation time is 3855 hours Title Function Adjustment range Default setting Cumulative operation time al...

Page 157: ...ng Under voltage stall level 6 25 15 System supporting sequence B timer System supporting sequence B timer Title Function Adjustment range Default setting System supporting sequence B timer Invalid s Function This parameter is to select the action when detecting an under voltage Invalid while the inverter stops If is set at Enabled it is necessary to set with the time elapsed before the inverter t...

Page 158: ...cy adjustment Invalid VI II RR 3 Acceleration time adjustment Using reference input from VI II or RR acceleration time set with the parameter or acceleration time 2 3 or 4 can be multiplied the by factors of 1 0 to 10 0 10 of reference input act as multiply factor of 1 0 Title Function Adjustment range Default setting Acceleration time adjustment Invalid VI II RR 4 Deceleration time adjustment Usi...

Page 159: ...multiplication input selection Disabled VI voltage input II current input RR volume voltage input RX voltage input RX2 voltage input optional The override functions calculate output frequency by the following expression Output frequency 1 Hz 1 Additive over ride In this mode an externally input over ride frequency is added to reference frequency Ex1 RR reference VI over ride frequency Ex2 RX refer...

Page 160: ...ut Note Setting of RR input Refer to 7 3 1 Setting of VI input Refer to 7 3 2 Output frequency Reference 1 Over ride VI input 100 Ex2 Disabled VI input RX input RX input VI input Note Setting of RX input Refer to 7 3 1 Setting of VI input Refer to 7 3 2 Output frequency Reference 1 Over ride VI input 100 Ex3 Title Function Adjustment range Default setting Panel over ride multiplication gain Output...

Page 161: ... frequency 1 Frequency command 2 Current indication 3 DC voltage 4 Output voltage 5 After compensation frequency 6 Speed feedback real time value 7 Speed feedback 1 second filter 8 Torque 9 Torque reference 10 Internal torque reference 1 11 Torque current 12 Exciting current 13 PID feedback value 14 Motor overload factor OL2 data 15 Inverter overload factor OL1 data 16 PBr overload factor PBrOL da...

Page 162: ...mode Example of setting When the VFA7 2037PL rated current 16 6A is operated under the rated 100 load 1 Display in 2 Display in A or V Title Function Adjustment range Default setting Current voltage display mode A or V Function This parameter is used to change the units of display of current and voltage Display in Display in A ampere or V volt Output current 16 6A Input voltage 200V DC voltage 100...

Page 163: ...nge Default setting Frequency free unit magnification OFF Note This parameter is to display the value obtained by multiplying the output frequency of the inverter by an integer Therefore the value calculated from the output frequency is always displayed regardless of fluctuations of the rotating speed of the motor due to fluctuations of the load 6 29 4 Column number below decimal point of Frequenc...

Page 164: ...fault setting Selection of panel V f1 2 3 or 4 1 V f1 2 V f2 3 V f3 4 V f4 Parameters which can be switched with V f1 V f2 Base frequency 1 Base frequency voltage 1 Manual torque boost Motor overload protection level 1 Base frequency 2 Base frequency voltage 2 Manual torque boost 2 Motor overload protection level 2 V f3 V f4 Base frequency 3 Base frequency voltage 3 Manual torque boost 3 Motor ove...

Page 165: ...rtobereset Parameter setting Title Function Adjustment range Default setting Panel reset function Disabled Enabled 6 29 9 Selecting a torque limit in control panel operation mode Panel torque limit Control panel operation The mode of operation obtained by setting the torque command selection parameter at Panel input Parameter setting Title Function Adjustment range Default setting Panel torque lim...

Page 166: ...nel input Parameter setting Title Function Adjustment range Default setting Panel torque reference Refer to 3 3 3 for details 6 29 12 Drooping control in panel operation mode Panel synchronized torque bias Panel tension torque bias Panel load sharing gain 6 29 13 Override in panel operation mode Panel over ride multiplication gain Refer to 6 27 for details Function This parameter is to switch from...

Page 167: ...celing methods 1 Temporary cancellation Every key operation is enabled temporarily until the power is turned off Turning off the power disables every key operation again In standard monitor display mode or trip monitor mode press the key twice while holding down the key 2 Permanent cancellation Canceling method in cases that parameters are not read write protected is overridden permanently Changin...

Page 168: ...s set up a data communications network by connecting inverters to one another and to a host control system and also establish a data communications link between a computer and each inverter Computer link The function is to enable data communications between a host control system computer and each inverter Monitoring of inverter status output frequency current voltage etc Command to each inverter s...

Page 169: ...arity Inverter number common Communication time out common serial RS485 OFF s RS485 Common serial No action No action Alarm No action Trip No action No action Alarm Alarm Alarm Trip Alarm No action Trip Alarm Trip Communication time out action common serial RS485 Trip Trip Communication waiting time common serial Normal communications s Inter drive communication common serial Normal communications...

Page 170: ...1 bit Reception 12 bit with parity Transmission waiting time setting Possible Others Action the inverter takes when an timeout occurs tripping alarm no action When alarm is selected blinks at the left end of the control panel When tripping is selected is displayed on the control panel An example of the connection of inverters linked to a computer Selective communications When an operation frequenc...

Page 171: ... If 1 is designated data is broadcast to all inverters bearing the numbers 01 11 21 31 91 and data from the inverter bearing 01 only is sent back to the host Inter drive communications When inverters slaves operate at the same operating frequency as the master inverter to which they are connected No frequency point is set The master inverter transmits frequency command data to its slave inverters ...

Page 172: ...action Trip No action No action Alarm Alarm Alarm Trip Alarm No action Trip Alarm Trip Communication time out action common serial RS485 Trip Trip Frequency point selection invalid Common serial RS485 Communications add on cassette option Point 1 setting Point 1 frequency Hz Point 2 setting Point 2 frequency Hz Communication rate RS485 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps RS485 ...

Page 173: ... 485 Communication add on cassette option Up down frequency Pulse input 1 optional Operation signal Control panel Operation speed command Control panel Refer to 5 3 Example 1 Operation signal Terminal board Operation speed command Control panel Operation signal Control panel Operation speed command Terminal board Operation signal Terminal board Operation Speed command Terminal board In case of run...

Page 174: ...terminal selection 5 S1 Preset speed 1 S2 Input terminal selection 6 S2 Preset speed 2 S3 Input terminal selection 7 S3 Preset speed 3 S4 Input terminal selection 8 S4 Preset speed 4 Option Input terminal selection 9 16 Refer to page G 4 Note When Always active function selection is selected selected function is generally activated regardless of positive or negative logic Note is for use of expans...

Page 175: ...Stop Press the STOP button Switch between forward and reverse rotation Short circuit between S2 and CC Parameter setting Symbol of terminal Title Function Adjustment range Setting value F Input terminal selection 1 F PUSH type run command S1 Input terminal selection 5 S1 PUSH type stop command S2 Input terminal selection 6 S2 Refer to page G 4 Forward reverse selection The inverter can be controll...

Page 176: ...rol switching torque position 44 45 Pattern group 4 114 115 Deviation counter clear 46 47 Pattern run continuation signal 116 117 Position control forward limit LS 48 49 Pattern run trigger signal 118 119 Position control reverse limit LS 50 51 Forced Jog forward operation 120 121 Light load high speed operation enabling 52 53 Forced Jog reverse operation 122 123 Reservation area 3 54 55 Reservati...

Page 177: ...To be set by parameter Function of OUT2 To be set by parameter Functions of FLA FLB FLC To be set by parameter Setting of output terminal functions Symbol of terminal Title Function Adjustment range Default setting OUT1 Output terminal selection 1 OUT1 Low speed signal OUT2 Output terminal selection 2 OUT2 Acceleration decelera tion completion FL Output terminal selection 3 FL Failure FL Option Ou...

Page 178: ...he detection time is within a certain limit 20 21 Overheat pre alarm ON The temperature of the cooling fin is 85 or higher inside the inverter OFF The temperature drops to 80 or lower after overheat pre alarm was on 22 23 Over voltage pre alarm ON In over voltage control operation or PB operation 200V class 370 VDC approx 400V class 740 VDC approx 24 25 Main circuit under voltage detected ON The m...

Page 179: ...spended 62 63 Ready for operation 1 ON In operable status or operation can be started with frequency command input as an operation switching answer back OFF In inoperable status 64 65 Ready for operation 2 ON In operable status or operation can be started with ST and RUN signals and frequency command input OFF In inoperable status 66 67 Poor control power supply pre alarm ON Control circuit under ...

Page 180: ...orque limit level 114 115 Output for external rush suppression relay ON External rush suppression relay is actuated 116 117 Over travel ON Over running 118 119 Completion of positioning ON Positioning has been completed Note 1 ON in positive logic Open collector output transistor or relay is turned on OFF in positive logic Open collector output transistor or relay is turned off ON in negative logi...

Page 181: ...minal 4 holding time ms Output terminal 5 holding time ms Output terminal 6 holding time ms Output terminal 7 holding time ms Setting when vector option unit or expansion TB option unit is used Note The minimum setting unit is 2 5 ms Please input the value which omitted below the decimal point of a multiple of 2 5 7 2 4 Analog input filter Response time setting Title Function Adjustment range Defa...

Page 182: ... point 2 frequency Hz VI II reference point 1 rate VI II VI II reference point 2 rate Speed setting mode selection 2 Same as fmod f207 switching frequency Hz All Analog input filter disabled to max filter capacity RR reference point 1 RR reference point 1 frequency Hz RR reference point 2 RR reference point 2 frequency Hz RR reference point 1 rate RR RR reference point 2 rate RX reference point 1 ...

Page 183: ...y RR reference point 1 RR reference point 1 frequency Hz RR reference point 2 RR reference point 2 frequency Hz RR reference point 1 rate RR reference point 2 rate Motor IM G E R L1 U T1 MCCB Power supply S L2 T L3 V T2 W T3 CC RX RES S1 S2 CC S3 S4 F R ST FM AM FP FLA FLB FLC P24 OUT1 OUT2 FL VI II RR PP ＶＦ Ａ７ CHARGE Run stop setup To control switching between forward rotation F and reverse rotat...

Page 184: ...R L1 U T1 MCCB Power supply S L2 T L3 V T2 W T3 CC RX RES S1 S2 CC S3 S4 F R ST FM AM FP FLA FLB FLC P24 OUT1 OUT2 FL VI II RR PP ＶＦ Ａ７ CHARGE Run stop setup To control switching between forward rotation F and reverse rotation R run and stop by external commands Setup of frequency setting signal and running frequency characteristic To set up frequency setting signal and characteristic of running f...

Page 185: ... the terminals F R and RX if reverse rotation disabling selection F311 is properly set up Refer to 6 13 7 for details Motor IM G E R L1 U T1 MCCB Power supply S L2 T L3 V T2 W T3 CC RX RES S1 S2 CC S3 S4 F R ST FM AM FP FLA FLB FLC P24 OUT1 OUT2 FL VI II RR PP ＶＦ Ａ７ CHARGE Run stop setup To run and stop the inverter by external commands Setup of frequency setting signal and running frequency chara...

Page 186: ...l input terminals F R RES ST S1 S2 S3 S4 in bits Input terminal information 2 Indication of ON OFF status of optional control input terminals B8 B9 B10 B11 in bits FE06 FE50 FE51 Input terminal information 3 Indication of ON OFF status of optional control input terminals B11 B12 B13 B14 in bits Output terminal information 1 Indication of ON OFF status of control output terminals OUT1 OUT2 FL in bi...

Page 187: ...ied multiplied by 1 2 Note 4 Past trip is in order of 1 last 2 3 4 oldest Note 5 Cumulative operation time indicates a total of actually running hours Information on input terminals Information on input terminals and input terminals are for the optional add on cassette Input terminal 9 to 16 Expansion TB option unit Note When is set at a number of to expansion TB option input terminal information ...

Page 188: ...al 1 OUT1 F130 1 When there is signal output Output terminal 2 OUT2 F131 2 Output terminal 3 FL F132 3 When there is no signal output blank in the upper half Error code output 0 ALM0 8 When there is signal input Error code output 1 ALM1 9 Error code output 2 ALM2 10 When there is no signal input Error code output 3 ALM3 11 blank in the upper half Error code output 0 1 2 3 Vector option unit Output...

Page 189: ...tatus monitor indication Regarding contents of status monitor indications appearing in the left column of the table on page H 1 those marked with 2 to 5 can be changed for others Select a desirable monitor function from among optional monitor functions appearing on page H 5 2 Frequency command Changeable by status monitor 1 display mode 3 Load current Changeable by status monitor 2 display mode 4 ...

Page 190: ...nternal torque reference 1 1 0 01 FE20 11 Torque current 1 0 01 FE21 12 Exciting current 1 0 01 FE22 13 PID feedback value Depends on 0 01 Hz FE23 14 Motor overload factor OL2 data 1 0 01 FE24 15 Inverter overload factor OL1 data 1 0 01 FE25 16 PBr overload factor PBrOL data 1 0 01 FE28 17 PBr load factor pulse duty 1 0 01 FE29 18 Input power 0 1 kW 0 01 kW FE30 19 Output power 0 1 kW 0 01 kW FE31...

Page 191: ... 16 19 Emergency stop 17 14 EEPROM error write error 18 49 Initial read error 19 50 Initial read error 20 51 Main RAM error 21 48 Main ROM error 22 53 CPU error 23 55 Communication abnormal interruption 24 15 Gate array fault 25 54 Output current detector error 26 58 Option error 27 57 Flush memory fault 28 52 Trip of low current operation status 29 4 Trip by insufficient voltage main circuit powe...

Page 192: ...ptional control input terminals B8 B9 B10 B11 when trip occurred FE06 FE50 FE51 Input terminal information 3 Indication of ON OFF status of optional control input terminals B12 B13 B14 B15 when trip occurred Output terminal information 1 Indication of ON OFF status of control output terminals OUT1 OUT2 FL when trip occurred Output terminal information 2 Indication of ON OFF status of optional cont...

Page 193: ...m 30 kinds of information Contents of indications that are set up at to status monitor 1 to 4 display mode are displayed Unit of current and voltage indications can be changed from to A amperage or V voltage and vice versa respectively with Current voltage display mode 8 4 Indication of alarm pre alarm etc When the inverter alarm pre alarm etc occurred the contents are displayed Some are not displ...

Page 194: ...5 5 VFA7 4055PL 14 2 7 5 VFA7 4075PL 14 2 12 3 5 11 VFA7 4110PL 12 3 5 10 5 5 12 3 5 15 VFA7 4150PL 10 5 5 8 8 14 2 10 5 5 18 5 VFA7 4185P 8 8 8 8 22 VFA7 4220P 6 14 30 VFA7 4300P 6 14 4 22 10 5 5 6 14 37 VFA7 4370P1 4 22 45 VFA7 4450P1 2 38 55 VFA7 4550P1 2 38 2 0 60 4 22 75 VFA7 4750P1 2 0 60 6 14 90 110 VFA7 4110KP1 132 VFA7 4132KP1 4 0 100 4 0 100 2 0 60 160 VFA7 4160KP1 300 150 300 150 4 22 2...

Page 195: ... NJ50E 32 C35J 22 50 NJV50E 15 VFA7 4150PL 60 28 T35J 60 18 5 VFA7 4185P 75 48 C50J 35 75 22 VFA7 4220P 100 NJ100F 65 C65J 44 100 NJV100F 30 VFA7 4300P 80 C80J 57 T65J 37 VFA7 4370P1 125 110 C100J 65 T100J 125 45 VFA7 4450P1 150 LC1D115J 85 150 55 VFA7 4550P1 175 NJ225F 180 LC1D150J 100 T115J 175 NJV225F 75 VFA7 4750P1 250 220 LC1F185J 138 T150J 250 90 300 300 110 VFA7 4110KP1 350 265 LC1F225J 2 7...

Page 196: ...open when the inverter protection circuit is in operation When the damping resistor damping resistance unit is used install the electromagnetic contactor MC or fuseless circuit breaker with power tripping device in the temporary power supply circuit of the inverter so that the power circuit becomes open by operation of the error detection relay EL built in the inverter or externally installed over...

Page 197: ...e the inverter is running If the electromagnetic contactor is turned on off during operation it may cause a failure of the inverter because rush current flows to it 9 3 Installation of overload relay １ The inverter VF A7 has a built in electronic thermal overload protection function inside In the following cases however install an overload relay proper to the electronic thermal operation level adj...

Page 198: ...of the condenser type If ELCB is installed in the power supply side avoid using multiple units Radio noise reduction filter Zero phase reactor Inductive filter Ferrite core type manufactured by Soshin Electric Co Ltd Effectual to prevent audio equipment used near the inverter from radio interference Effectual to reduce noise in the input and output sides of the inverter Excellent attenuation chara...

Page 199: ...put control power to the terminal RO SO because those models are internally supplied with control voltage from the main circuit power supply To use the main circuit power supply and control power supply separately for inverters of 22 kW or less models use an optional control power supply unit Inverters of 30 kW or more models have a built in control power supply circuit respectively Outward appear...

Page 200: ...personal computer and so on with each other data communication can be performed between the two besides easy adjustment of parameters saving and writing data This unit serves as not only an RS 232C interface but a communication unit that can be connected with two inverters together Monitor function Parameter setup function Command function Added function Outline drawings with dimensions Model RS20...

Page 201: ...unication units and RS 485 communication units Cable types CAB0011 1 m CAB0013 3 m CAB0015 5 m Remote control panel A frequency meter frequency setup device RUN STOP forward reverse switch are built in this operation panel Model CBVR 7B Applied control units of the AP series make various applied control possible if they are used in combination with the inverter Application control units Proportion...

Page 202: ... 3060C MJ PB3 4300 37 VFA7 4370P1 NF 3080C MJ MSF 4370Z 45 VFA7 4450P1 PFL 4100S DCL 4450 NF 3100C MJ 55 VFA7 4550P1 RC9129 MSF 4550Z 75 VFA7 4750P1 PFL 4150S DCL 4750 NF 3150C MJ PB3 4550 MSF 4750Z NRL 4155 90 110 VFA7 4110KP1 PFL 4300S DCL 4110K NF 3250C MJ NRL 4230 132 VFA7 4132KP1 NF 3200C MJ 2 parallel NRL 4300 160 VFA7 4160KP1 PFL 4400S DCL 4160K NF 3200C MJ 2 parallel DGP600W B2 DGP600W C2 ...

Page 203: ...and Max pulse freq 60kHz 2 phase 120kHz single phase Duty 50 10 Power supply for encoder 5 V 6 V 12 V 15 V DC 160 mA or less Voltage drop detection Detection of voltage drop in PG power supply line Standby signal output Open collector output sink output 30 V DC 50 mA or less Approximately 1 second after the main circuit power is turned on this terminal is connected with COM In an error status circ...

Page 204: ...on cassettes to 132 kW or less model 400V class To install optional add on cassette s use the attachment and set the options on the right side of the inverter To attach the option s secure an enough space in the right side of the inverter To install a cassette L 48 5 mm or more To install two cassettes L 73 5 mm or more To install three cassettes L 98 5 mm or more No matter for cassettes number L1...

Page 205: ...depending on kind of encoder and wiring distance Pulse duty 50 10 Length of PG wiring 100 m complementary system 100 m complementary system 30 m Power supply for PG 5 V 6 V 12 V 15 V switchable 160 mAdc 12 V fixed 160 mAdc 5 V fixed 160 mAdc Voltage drop compensation for PG power supply Available Unavailable Unavailable Sensor disconnection detection in running in rotation Available Available Avai...

Page 206: ...wire C which were removed 4 Attach the option according to the instruction manual of each option The image after option attachment becomes as follows Left In the case optional add on cassette Right In the case board option 5 Switch on power supply and change the setup of the parameter into Note Do not open the front cover unless 10 minutes has passed after the power sources turned off and charge l...

Page 207: ...sition of the bit switch for PG input default setting is without PG input in the option unit TLS001Z or TLM001Z If you set at with PG input position auto restart function refer to 6 13 1 dose not work correctly and over current overload over voltage etc trips may occur 9 7 3 Case 3 Preparation is not needed Note Attach flexible connecting board set with attachment SBP001Z or SBP002Z to board A not...

Page 208: ... Communication add on cassette option enabled 0 Disabled 5 3 0004 Speed setting mode selection 1 VI voltage input II current input 2 RR volume voltage input 3 RX voltage input 4 RX2 voltage input optional 5 Operating panel input 6 Binary BCD input optional 7 Common serial communication option FA01 8 Serial communication RS485 FA05 9 Communication add on cassette option FA07 10 Up down frequency 11...

Page 209: ...ts setting 7 Sensorless vector control speed torque switching 8 PG feedback vector control speed torque switching 9 PG feedback vector control speed position switching 0 Disabled 5 10 0016 Manual torque boost 0 30 0 1 0 01 See J 28 Enabled 5 12 Setting Type Overload protection Overload stall 0 protect not stall 1 protect stall 2 not protect not stall 3 Standard motor not protect stall 4 protect no...

Page 210: ... 16 bit binary input 3 3 digit BCD input 4 4 digit BCD input 5 Reverse 12 bit binary input 6 Reverse 16 bit binary input 7 Reverse 3 digit BCD input 8 Reverse 4 digit BCD input 0 Disabled 0108 Up down frequency 0 7 1 1 0 Disabled 3 Terminal function selection 1 2 Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during running Speed...

Page 211: ...in steps of 2 5 ms 1 8 Disabled 7 2 3 0141 Input terminal 2 response time R 2 to 200 ms in steps of 2 5 ms 1 8 Disabled 7 2 3 0142 Input terminal 3 response time ST 2 to 200 ms in steps of 2 5 ms 1 8 Disabled 7 2 3 0143 Inputterminal 4responsetime RES 2 to 200 ms in steps of 2 5 ms 1 8 Disabled 7 2 3 0144 Input terminal 5 8 response time 2 to 200 ms in steps of 2 5 ms 1 8 Disabled 7 2 3 0145 Input...

Page 212: ...r overload protection level 4 10 100 1 0 01 100 Enabled 6 4 1 0182 Motor switching mode selection 0 standard 1 customized 0 Disabled 0183 V f adjustment coefficient 0 255 1 1 32 Enabled 6 V f 5 point setting Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during running Speed control Torque control Position control V f Constant Re...

Page 213: ...R reference point 1 rate 0 250 For torque control etc 1 0 01 0 Enabled 6 21 1 0215 RR reference point 2 rate 0 250 For torque control etc 1 0 01 100 Enabled 6 21 1 0216 RX reference point 1 100 100 1 0 01 0 Enabled 7 3 3 0217 RX reference point 1 frequency Hz 3 0 01 0 01 0 0 Enabled 7 3 3 0218 RX reference point 2 100 100 1 0 01 100 Enabled 7 3 3 0219 RX reference point 2 frequency Hz 3 0 01 0 01 ...

Page 214: ... 7 1 0241 Run frequency 0 0 Hz 0 01 0 01 0 0 Enabled 6 7 2 0242 Run frequency hysteresis 0 0 30 0 Hz 0 01 0 01 0 0 Enabled 6 7 2 0243 Stop frequency 0 0 30 0 Hz 0 01 0 01 0 0 Enabled 6 7 1 0244 0 Hz dead band frequency 0 0 5 0 Hz 0 01 0 01 0 0 Enabled 6 7 3 9 DC injection braking Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write dur...

Page 215: ...z 0 01 0 01 0 0 Enabled 5 14 0294 Preset speed 15 Hz 0 01 0 01 0 0 Enabled 5 14 13 PWM carrier frequency Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during running Speed control Torque control Position control V f Constant Reference section 0300 PWM carrier frequency 0 5 15 0 8 0 5 0 kHz 1 0 1 0 001 See J 28 Disabled 6 12 1 Up...

Page 216: ...n 0 0 0 320 0 Hz Enabled if 7 8 or 9 0 01 0 01 60 0 Enabled 6 14 0322 Speed at drooping gain 0 0 320 0 Hz Enabled if 7 8 or 9 0 01 0 01 60 0 Enabled 6 14 0323 Drooping insensitive torque band 0 100 Enabled if 7 8 or 9 1 0 1 10 Enabled 6 14 0324 Output filter for drooping 0 1 200 0 rad s Enabled if 7 8 or 9 0 1 0 1 100 0 Enabled 6 14 0325 Load inertia Acc Dec torque 0 1000 0 1 0 1 1 0 Enabled 0326 ...

Page 217: ...ol Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during running Speed control Torque control Position control V f Constant Reference section 0360 Signal selection of PID control 0 PID control disabled 1 VI II 2 RR 3 RX 4 RX2 0 Enabled 0361 Delay filter 0 255 0 Enabled 0362 Proportional P gain 0 01 100 0 0 01 0 01 0 1 Enabled 036...

Page 218: ...switching 2 8 Selection of V f switching 1 16 Selection of V f switching 2 32 Selection of torque limit switching 1 64 Selection of torque limit switching 2 0 Disabled 5 14 0382 Preset speed 2 control mode Ditto 0 Disabled 5 14 0383 Preset speed 3 control mode Ditto 0 Disabled 5 14 0384 Preset speed 4 control mode Ditto 0 Disabled 5 14 0385 Preset speed 5 control mode Ditto 0 Disabled 5 14 0386 Pr...

Page 219: ...ntrol Torque control Position control V f Constant Reference section 0420 Torque reference selection 1 VI II 2 RR 3 RX 4 RX2 optional 5 Panel input 6 Binary BCD input optional 7 Common serial communication option 8 Serial communication RS485 9 Communication add on cassette option 3 Enabled 6 21 1 0421 Torque reference filter 10 0 199 9 200 0 without filter 0 1 0 1 200 0 Enabled 6 21 2 0422 Selecti...

Page 220: ... 22 0451 Torque limit mode 0 Standard 1 without speed cooperation 0 Enabled 0452 Continuous stall trip detection time during power running 0 0 1 0 s 0 1 0 01 0 0 Enabled 0453 Stall prevention during regeneration 0 Stall 1 Stall is prevented 0 Enabled 25 Speed torque reference gain bias setup 2 1 2 Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default...

Page 221: ... 1 6000 s 0 01 0 01 See J 28 Enabled 6 23 2 0502 Acceleration deceleration pattern 1 0 Linear 1 S pattern 1 2 S pattern 2 0 Enabled 6 23 1 0503 Acceleration deceleration pattern 2 0 Linear 1 S pattern 1 2 S pattern 2 0 Enabled 6 23 2 0504 Acceleration deceleration 1 2 3 4 selection 1 Acceleration deceleration 1 2 Acceleration deceleration 2 3 Acceleration deceleration 3 4 Acceleration deceleration...

Page 222: ...p 1 to 15 12 Disabled 6 24 0545 Pattern group 2 selection 5 0 Skip 1 to 15 13 Disabled 6 24 0546 Pattern group 2 selection 6 0 Skip 1 to 15 14 Disabled 6 24 0547 Pattern group 2 selection 7 0 Skip 1 to 15 15 Disabled 6 24 0548 Pattern group 2 selection 8 0 Skip 1 to 15 0 Disabled 6 24 0550 Cycle number of pattern group 3 1 254 255 1 1 1 Disabled 6 24 0551 Pattern group 3 selection 1 0 Skip 1 to 15...

Page 223: ...eration continuation mode Ditto 0 Disabled 6 24 0580 Preset speed 11operationcontinuation mode Ditto 0 Disabled 6 24 0581 Preset speed 12 operation continuation mode Ditto 0 Disabled 6 24 0582 Preset speed 13 operation continuation mode Ditto 0 Disabled 6 24 0583 Preset speed 14 operation continuation mode Ditto 0 Disabled 6 24 0584 Preset speed 15 operation continuation mode Ditto 0 Disabled 6 24...

Page 224: ...after reset 0 Disabled 6 25 8 0614 Adjustment of detection pulse for output short circuit during start up 1 100 μs 1 1 50 Disabled 6 25 8 0615 Over torque trip 0 Disabled 1 Enabled 0 Enabled 6 25 9 0616 Over torque detection level during power running 0 250 1 0 01 150 Enabled 6 25 9 0617 Over torque detection level during regeneration 0 250 1 0 01 150 Enabled 6 25 9 0618 Over torque detection time...

Page 225: ... option FA01 8 Serial communication RS485 FA05 9 Communication add on cassette option FA07 10 Up down frequency 11 Pulse input 1 optional 0 Enabled 6 27 0661 Over ride multiplication input selection 0 Disabled 1 VI II 2 RR 3 RX 4 RX2 5 0 Enabled 6 27 31 Meter output 1 2 Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during runnin...

Page 226: ... 0 29 0 Enabled 8 1 0711 Status monitor 1 display mode 0 29 1 Enabled 8 1 0712 Status monitor 2 display mode 0 29 2 Enabled 8 1 0713 Status monitor 3 display mode 0 29 3 Enabled 8 1 0714 Status monitor 4 display mode 0 29 4 Enabled 8 1 0720 Selection of panel V f1 2 3 or 4 1 V f 1 2 V f 2 3 V f 3 4 V f 4 1 Enabled 6 29 6 0721 Panel stop pattern 0 Deceleration stop 1 Coast stop 0 Disabled 6 29 7 07...

Page 227: ...RS485 0 1200 1 2400 2 4800 3 9600 4 19200 5 38400 3 Enabled 6 30 0821 RS485 wiring system 0 2 line system 1 4 line system 1 Enabled 6 30 0825 RS485 communication waiting time 0 00 Normal 0 01 2 00 s 0 01 0 01 0 00 Enabled 6 30 0826 Inter drive communication RS 485 0 Normal 1 Frequency reference 2 Output frequency 3 Torque reference 4 Output torque 0 Enabled 6 30 0830 Data type 0 1 1 1 0 Enabled 08...

Page 228: ... Enabled 0868 S20 fault detection station number 0 64 1 1 0 Enabled 0869 Station mode selection 0 4 1 1 0 Enabled 8090 0894 Parameters for options Depend on options 1 1 0 Disabled 0899 Reset function 0 1 0 Disabled 34 Reservation area Vector control Title Communi cation No Function Adjustment range Min unit panel communication Default setting Write during running Speed control Torque control Posit...

Page 229: ...tion Fixed hold FE50 Input terminal information optional Fixed hold FE51 Input terminal information optional Fixed hold FE07 Output terminal information Fixed hold FE52 Output terminal information optional Fixed hold FE53 Output terminal information optional Fixed hold FE48 Sink source switching status Fixed not hold FE47 Type of connected option Fixed not hold FE54 Standard default value set last...

Page 230: ...15 16 FE25 PBr overload factor PBrOL data 0 01 16 hold 16 17 FE28 PBr load factor pulse duty 0 01 17 hold 17 18 FE29 Input power 0 01 kW 18 hold 18 19 FE30 Output power 0 01 kW 19 hold 19 20 FE31 Peak output current 0 01 20 hold 20 21 FE32 Peak DC voltage 0 01 21 hold 21 22 FE33 Motor counter dummy PG 1 count 22 hold 22 23 FE34 Position pulse 1count 23 hold 23 24 FE35 PR input 0 01 24 not hold 24 ...

Page 231: ...hing 1 30 31 V f switching 2 32 33 Torque limit switching 1 3 34 35 Torque limit switching 2 3 36 37 PID control OFF selection 38 39 Pattern group 1 40 41 Pattern group 2 42 43 Pattern group 3 44 45 Pattern group 4 46 47 Pattern run continuation signal 48 49 Pattern run trigger signal 50 51 Forced Jog forward operation 52 53 Forced Jog reverse operation 54 55 Reservation area 56 57 Reservation are...

Page 232: ...4 105 Frequency reference priority switching 106 107 VI II terminal priority 108 109 Command terminal board priority 110 111 Parameter editing enabling 112 113 Control switching torque position 2 114 115 Deviation counter clear 116 117 Position control forward limit LS 118 119 Position control reverse limit LS 120 121 Light load high speed operation enabling 122 123 Reservation area 124 125 Prelim...

Page 233: ...detected 26 27 Low current detected 28 29 Over torque detected 30 31 Braking resistor overload pre alarm 32 33 In emergency stop 34 35 In course of retry 36 37 Pattern run switching output 38 39 PID deviation limit 40 41 Run stop 42 43 Serious failure phase failure etc 44 45 Light failure 46 47 Commercial INV switching output 1 for inverter operation output 48 49 Commercial INV switching output 2 ...

Page 234: ...ut 2 6 bit output 84 85 Error code output 3 6 bit output 86 87 Error code output 4 6 bit output 88 89 Error code output 5 6 bit output 90 91 Error code output 6 6 bit output 92 93 Designated data output 1 7 bit output 94 95 Designated data output 2 7 bit output 96 97 Designated data output 3 7 bit output 98 99 Designated data output 4 7 bit output 100 101 Designated data output 5 7 bit output 102 ...

Page 235: ...capacity of motor 2 Voltage compen sation coefficient for dead time VFA7 2004PL VFA7 2007PL VFA7 2015PL VFA7 2022PL VFA7 2037PL VFA7 2055PL VFA7 2075PL VFA7 2110P VFA7 2150P VFA7 2185P VFA7 2220P VFA7 2300P VFA7 2370P1 VFA7 2450P1 VFA7 2550P1 VFA7 2750P1 VFA7 2900P1 VFA7 4007PL 1 VFA7 4015PL VFA7 4022PL VFA7 4037PL VFA7 4055PL VFA7 4075PL VFA7 4110PL VFA7 4150PL VFA7 4185P VFA7 4220P VFA7 4300P VF...

Page 236: ... 19 25 28 34 46 55 69 84 110 Output current A 2 5 4 0 5 0 8 5 13 17 25 33 37 44 60 72 90 110 144 Output voltage 3 phase 380 to 400 V Maximum output voltage corresponds to input supply voltage Ratings Rated overload current 150 for 2 minutes 215 for 0 5 second 6 Dynamic braking circuit Built in dynamic braking drive circuit Optional Built in braking resistor External braking resistor braking unit i...

Page 237: ... Allowable fluctuation Voltage 10 15 3 Frequency 5 Protection structure Open type JEM1030 IP00 2 Cooling method Forced air cooling Coating color Munsell 5Y 8 0 5 EMI filter Option to be installed externally 1 Rated output capacity indicates a value based on the condition that output voltage is 220 V in case of the 200 V class or 440 V in case of the 400 V class 2 The models of 30 kW or higher have...

Page 238: ...eed operation 1 Set frequency 15 speed preset speeds possible with open close combinations S1 S2 S3 S4 and CC Acceleration deceleration time torque limit and V f selectable on a frequency Retry When a protective function activities after main circuit devices are checked running restarts Settable to a max of 10times wait time adjustment 0 to 10sec Soft stall Automatic load reduction control during ...

Page 239: ...A contact Sink source switching Negative common CC and positive common P24 of control terminal are switchable to each other On shipment negative common CC is selected as default setting Fault detection signal 1c contact output 250Vac 2A cosΩ 1 250Vac 1A cosΩ 0 4 30Vdc 1A Low speed speed reach signal output 2 Open collector output 24Vdc Max 50mA output impedance 33Ω Upper lower limit frequency outp...

Page 240: ...70P1 44 45 VFA7 2450P1 46 55 VFA7 2550P1 370 630 290 317 5 609 E 46 75 VFA7 2750P1 480 680 330 426 652 F 72 200V 90 VFA7 2900P1 660 950 370 598 920 G 148 0 75 VFA7 4007PL 3 5 1 5 VFA7 4015PL 3 6 2 2 VFA7 4022PL 3 9 3 7 VFA7 4037PL 185 215 155 171 202 A 4 1 5 5 VFA7 4055PL 7 0 7 5 VFA7 4075PL 210 300 173 190 280 B 7 1 11 VFA7 4110PL 11 15 VFA7 4150PL 190 11 18 5 VFA7 4185P 15 4 22 VFA7 4220P 245 39...

Page 241: ... 2 φ6 W1 Mounting dimension H H1 Mounting dimension W 2 R3 D 2 φ7 W1 Mounting dimension H H1 Mounting dimension W 2 R3 5 D 2 φ10 W1 Mounting dimension H H1 Mounting dimension W 2 R5 D 9 R3 5 R6 5 W1 Mounting dimension H H1 Mounting dimension W 2 φ7 D 2 φ12 W1 Mounting dimension H H1 Mounting dimension W 5 D 4 φ16 12 R6 10 5 2 φ12 5 D 6 φ25 12 R6 14 W1 Mounting dimension H H1 Mounting dimension W ...

Page 242: ...ole 37 VFA7 2370P1 45 VFA7 2450P1 55 VFA7 2550P1 445 630 161 287 375 590 417 609 9 5 4 M10 screw 75 VFA7 2750P1 573 680 186 330 500 630 527 652 12 5 4 M10 screw 200V 90 VFA7 2900P1 762 950 173 370 680 890 712 920 15 4 M12 screw 37 VFA7 4370P1 45 VFA7 4450P1 55 VFA7 4550P1 75 VFA7 4750P1 445 630 161 287 375 590 417 609 9 5 4 M10 screw 90 110 VFA7 4110KP1 132 VFA7 4132KP1 573 680 186 330 500 630 527...

Page 243: ...circuit detection parameter and U phase arm short circuit Something abnormal in some device of main circuit U phase Make a service call V phase arm short circuit Something abnormal in some device of main circuit V phase Make a service call W phase arm short circuit Something abnormal in some device of main circuit W phase Make a service call Phase failure input side Phase lacking in input side of ...

Page 244: ...generating matter is located nearby Internal thermistor of unit is disconnected After cooling down inverter reset it from failure and try to restart it If cooling fan does not work in operation it needs replacement Secure spaces in the periphery of the inverter Don t locate any heat generating thing near the inverter Make a service call Emergency stop Inverter is stopped by panel operation during ...

Page 245: ...as power is turned on set motor type parameter as others Inverter type error Is control board or drive board of main circuit replaced When board has been replaced input for Sink source switching error Sink source switch of input output terminal is set wrong reversely switched on off Check connections and set proper logic After making sure that sequence is normal proceed in operation If the same er...

Page 246: ... or writing data Check setup value for input error Under DC braking If message disappears dozens of seconds later it is normal Note DC braking indication Under motor shaft fixing control If message disappears by stop command ST CC open it is normal Panel indication overflow Number to be shown on panel such as frequency and so on overflows figures of display Number of overflowing digits is indicate...

Page 247: ...on it cannot be reset for a period of virtual cooling time Standard virtual cooling time In case of for about 30 seconds after trip In case of for about 120 seconds after trip In case of for about 20 seconds after trip If the inverter trips because of overheat reset it after a considerably long time enough for cooling it down completely because overheat is detected based on its internal temperatur...

Page 248: ...nues if stop or emergency stop operation is done or power supply is Is appearing on display Is LED on RUN STOP key turned on Check to see if frequency setting signal is set at 0 Check setup contents of frequency setting signal parameters and Refer to 5 3 Check setting of points 1 and 2 of frequency setting signal Refer to 7 3 Check to see if operation start frequency is set higher than operation f...

Page 249: ...nal voltage of the motor is low Check setting value of base frequency voltage 1 Refer to 6 13 6 Change the cable for thicker one Improper gear ratio for acceleration and deceleration Change gear ratio properly for smooth acceleration and deceleration Output frequency is set improperly Check setup of output frequency range Tune basic frequency Refer to 5 9 Motor speed varies in operation Load to th...

Page 250: ...f failure or malfunction by comparing current data on operation with recorded data on past operation Gist of inspection Subject of inspection Inspection item Inspection cycle Inspection method Criteria of judgment 1 Indoor environment 1 Dust humidity gas 2 Dropping of water and other liquid 3 Room temperature 1 Eye check thermometer sense of smell 2 Eye check 3 Thermometer 1 Improve bad points 2 P...

Page 251: ...pected accident Keep them clean always 5 If the inverter won t be used for a long time turn it on once every another year to check operation Furthermore disconnect the motor and supply power to the inverter for five hours or more For turning on the inverter very seldom it is recommended not to supply commercial mains power directly to the inverter but to use a step up transformer to supply power a...

Page 252: ...or together with the printed circuit board Criteria of external inspection No liquid leak Proper setting of safety valve Measurement of electrostatic capacity and insulation resistance Aim of replacement time of each component part can be fixed by checking operation hours of the inverter For the replacement of parts contact Toshiba branch office printed on the back cover of this manual Operation h...

Page 253: ...s free from high temperature high humidity dust and metallic particles 2 For the inverter whose printed circuit boards are covered with the charge proof cover black don t remove the cover throughout retention However be sure to remove the cover before the inverter is turned on 3 If the large capacity electrolytic condenser mounted in the inverter is left without power supply for a long time it det...

Page 254: ...unauthorized modification or repair Fault or damage resulting from falling down of the product or traffic accident during transportation Fault or damage originating from fire salt water salty breezes some kind of gas arthquake storm and flood lightning abnormal supply voltage other natural disasters Fault or damage caused by improper use of the inverter as it is used for a purpose out of its origi...

Page 255: ... danger that electrolytic condensers used in the inverter may burst if it is burnt in an incinerator because electrolyte inside the condenser expands with heat Be careful of blasting of electrolytic condensers Plastics Plastics used as covers of the inverter and so on generate poisonous gas when the inverter is burnt When burning the inverter be careful of such poisonous gas Disposing manner Be su...

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