Toshiba TOSVERT VF-A7 User manual

Ｅ６５８０９８８①
Instruction Manual
The new generation
high-performance inverter
TOSVERT VF-A7
NOTICE
1. Make sure that this instruction manual is delivered to the end user of
the inverter unit.
2. Read this manual before installing or operating the inverter unit, and
store it in a safe place for reference.
© 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
maintenance
12
Prior to
service call
14
Warranty
15
Precautions
of disposal
Extended
parameters
TM

1
Ⅰ．Safety precautions
The labels on the inverter and this instruction manual contain important instructions for the
prevention of possible injury to the user and other persons and damage to property, as
well as for the safe use of the inverter. Please gain a good understanding of the following
pictorial symbols before reading this manual and strictly observe the instructions that
follow each symbols.
Marking
Symbols Meaning
Danger Means that improper use or handling could cause the risk of death or serious
injury
Warning Means that improper use or handling could cause injury to persons(*1) or
damage to property(*2).
(*1)”injury to persons” refer to injuries, burns, electric shocks, and so on, that do not oblige the injured person to
be hospitalized or go to a hospital for a long period of time for medical treatment.
(*2)”damage to property” includes all kinds of losses resulting from it.
Symbols Meaning
Represents prohibition(what you must not do)
What you must not do is described in or near this symbol by a picture or words
Represents 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 induction motors for general industry.
▼When using our inverters for equipment such as nuclear power control
equipment, aviation and space flight control equipment, traffic equipment, and
safety equipment, and there is a risk that any failure or malfunction of the
inverter could directly endanger human life or cause injury, please contact our
headquarters, branch, or office printed on the front and back covers of this
catalogue. Such applications must be studied carefully.
▼When using inverters for critical equipment, even though the inverters
are manufactured under strict quality control always fit your equipment
with safety devices to prevent serious accident or loss should the
inverter fail(such as failure to issue an inverter trouble signal)
▼Do not use our inverters for any load other than three phase induction
motors.
Precautions

2
■Handling in general
Danger
Reference
Never
Disassemble
Never disassemble, modify or repair the inverter. Its disassembly could
cause an electric shock, afire or an injury. Request your TOSHIBA dealer
for repair.
2.
Prohibited
-Never open the front cover of the inverter(or the door of the cabinet in
which the inverter is installed) when the inverter is energized, or you
could get a shock since a high voltage is applied to certain portions of it.
-Do not put your fingers into the panel through a wiring opening or an
opening in the cooling fan cover, or you could get a shock or an injury.
-Do not put or insert anything(e.g., electric cable, bar or steel wire) into the
inverter, or the inverter could cause a shock or fire.
-Do not splash water over the inverter, or the inverter could cause a shock
or a fire.
2.
2.
2.
2.
Mandatory
-Do not turn on the power before attaching the front cover (or closing the
door of the cabinet in which the inverter is installed), or you could get a
shock.
-Turn off the power immediately in case the inverter smokes, smells of
smoke, or produce abnormal noise. Failure to do so could lead to a fire.
In such a case, 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 install the inverter where any of the unallowable chemicals
solvents listed below can be sprayed, or its plastic front cover could
come off or a plastic unit could fall off although damage sustained by
plastic parts depends on their shapes. If you intend to install the inverter
where a chemical or solvent other than those listed below is used, consult
your TOSHIBA dealer in advance.
Note) The above instances are for tolerance of changing shape of plastic cover,
not of ignition or explosiveness.
1.4.4
(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 Mesopropanol
Ammonia Glycerin
Sodium chloride
(Table 2)
Unallowable chemicals and solvents
Chemical Solvent
Phenol Gasoline,
Kerosene,
light oil
Turpentine oil
Benzol
Benzene
sulfonic acid
Thinner

3
■Transportation・Installation
Danger
Reference
Prohibited
-Do not install or operate the inverter if it is damaged or any part is missing
from it. Operating the inverter in a defective condition could lead to a
shock or a fire. Request your Toshiba dealer for repair.
-Do not put any inflammable material near the inverter, or it could catch a
fire if the inverter sparks because of a breakdown, etc.
-Do not install the inverter where it can be splashed with water, etc., or it
could cause a shock or a fire.
2.
1.4.4
2.
Mandatory
-Use the inverter under environmental conditions specified by this
instruction manual, or it could break down.
-Install the inverter on a non-combustible board, for example, a steel plate.
Installing it on a inflammable board or wall could lead to a fire because its
back is heated up during operation.
-Do not use the inverter with the front cover detached, or it could cause a
shock.
-Install an emergency shutdown device which matches the system (for
example, a switch interlocked with the brake of the machine). Failure to
do so could lead to injury to persons since it has no emergency stop
function.
-Do not use any optional devices other than those designated by our
company.
The use of improper devices could lead to accidents.
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 larger,
carry it at least in a twosome, or it could fall and cause you to get an
injury.
-Handle large capacity model using a crane. Lifting heavy inverter causes
injury to persons. Taking care of safety for users, carefully handle in order
not to damage to the inverter.
Carefully lift up the inverter, hanging wires on the hanging bolts or halls
on the top or bottom of the inverter.
-Four points and perpendicular lifting is recommended. Even if
perpendicular lifting is impossible, respect the condition described in the
following figure. A crack may be attached to the product body when not
performing perpendicular lifting. Please be careful.
-Install the main unit on a wall, or the like, which is strong enough 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.
2.
−
1.4.4
1.4.4
60
°
M
ax.
60
°
M
ax.

4
■Wiring
Danger
Reference
Prohibited
-Do not connect the power cable to any output terminal (U/T1, V/T2 or W/T3
on the motor side), or the inverter could break down and cause a fire.
-Do not connect a resistor to any D.C. terminal (between PA and PC or PO
and PC), or the inverter could cause a fire.
To install external braking resistor, refer to 6.13.4.
-Don’t touch the connector terminals and cables of the devices(MCCB) on
he input side of the inverter within 10 minutes after shutting down the
power source
2.2
2.2
6.13.4
2.2
Mandatory
-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. Incorrect
connection of the terminals causes the motor to rotate in a wrong
direction, and thus could result in injury to persons.
-Perform wiring always after installing the inverter, or you could get a
shock or an injury.
-Be sure to perform the following preparatory work before proceeding to
wiring.
(1) Turn off the power.
(2) 10 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 lead to a fire.
-Make sure that the supply voltage is within +10%/-15% (during continuous
operation or within ±10% under full load) of the inverter's rated voltage
specified on its rating label. Supplying a voltage exceeding the above
range could lead to a breakdown, an electric shock or a fire.
2.
2.
2.
2.
2.
1.4.4
Be Grounded
-Connect grounding wires correctly and securely. Otherwise, a breakdown
or electric leakage could lead to an electric shock or a fire.
2.
2.2
9.
Warning Charged capacitors can present a shock hazard
even after source power is removed
Drives with EMI filters will retain a charge on the input terminals for up to 10 min. after the power has
been removed. To avoid electrical shock, don’t touch the connector terminals and uninsulated
source cables at either the main circuit disconnect or the drive until the capacitive charge has
dissipated.

5
■About operation
Danger
Reference
Prohibited
-Do not touch any inverter's terminal when it is energized even if the motor
is standstill, or you could get a shock.
-Do not operate switches with a wet hand or not put a wet cloth on the
inverter, or you could get a shock.
-Do not get near the alarm-stopped motor when the system is in retry
mode, or you could get an injury.
Take safety measures, for example, attaching a cover to the motor, to
protect persons against accidents when the motor unexpectedly restarts.
-Don't set the motor constant 3 (exciting inductance:) as 1/2 or less
value of default setting value. If the motor constant 3 (exciting
inductance :) is set as extremely small value, the stole prevention
function
will incorrect-operate and will raise output frequency.
-Don't set the stole prevention level() as extremely small value.
When the stole prevention level() is set as motor no-load current
or value lower than it, the stole prevention function always operates. And
if it is judged as regeneration mode, frequency will be raised.
Please 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 shock.
-Turn off the operation signal before resetting the inverter after trouble, or
the motor unexpectedly restarts, causing injury to persons.
3.
9.
3.
 Warning
Reference
Mandatory
-Operate the motor always within the allowable operation range. (Refer to
the motor’s instruction manual for the allowable operation range.)
Failure to do so could cause injury to persons.
3.
When selecting the sequence that automatically restarts the motor after
recovery from a momentary power failure (Applicable to inverters)
Warning
Reference
Mandatory
-Do not get near the motor or the machine.
The motor and the machine unexpectedly restart after recovery from a
momentary power failure.
-Stick caution labels to the inverter, the motor and the machine, to prevent
accidents due to an unexpected restart of them after recovery from a
momentary power failure.
6.13.1

6
When selecting the retry mode (Applicable to inverters)
Warning
Reference
Mandatory
-Do not get near the motor.
When the retry mode is selected, the motor and machine that stopped
after an alarm restart unexpectedly after the selected time has passed,
thus causing injury to persons.
-Stick caution labels to the inverter, the motor and the machine, to prevent
accidents due to an unexpected restart of them in retry mode.
6.13.3
About inspection and maintenance
Danger
Reference
Prohibited
-Do not replace any part yourself, or you could get a shock or an injury, or
cause a fire. Request your Toshiba dealer for replacement of parts.
13.2
Mandatory
-Carry out inspection and maintenance on a daily basis. Failure to do so to
find defects in the inverter could lead to accidents.
-Be sure to perform the following preparatory work before proceeding to
inspection.
(1) Turn off the power.
(2) 10 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.
13.
13.
13.2
About disposal of inverters
Reference
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 transporters" or "industrial
waste disposal specialists".
15.
Sticking warning labels
Here are examples of caution labels designed to prevent accidents caused by an inverter, a motor or
a machine. When selecting the automatic restart function or the retry function, stick the applicable
label to a conspicuous position.
Warning
Please stick this label to a conspicuous
position when selecting the sequence that
automatically restarts the machine after
recovery from a mini power failure.(An example
of the restart caution label)
Do not get near the motor or the machine. The
motor and the machine which stopped.
Because of a mini power failure, unexpectedly
restart after the preset time has passed.
Warning (automatic restart function enabled)
Please stick this label to a conspicuous
position when selecting the retry function.
(An example of the retry caution label)
Do not get near the motor or the machine. The
motor and the machine which stopped after
an alarm, unexpectedly restart after the
preset
time has passed.
Warnin
g
(
Retr
y
function enabled
)

7
Ⅱ．Preface
Thank you for purchasing the industrial inverter "TOSVERT VF-A7".
■Features
1. Noise filter incorporated
1)Every 200V or 400V model (200V 0.4〜7.5KW and 400V 0.75〜15kW models) has a built-in noise
filter.
2)" VF-A7" complies with the European CE marking requirements.
3)" VF-A7" complies with the UL/cUL standard.
4)" VF-A7" saves space and does not require troublesome wiring.
2. Excellent torque control performance
1) 200% torque even at a frequency of 0.5 Hz(with vector control)
The speed control ratio is 1 :150.
2) Torque limit function
3. A wide range of applications from simple speed control to system control
1) Auto-tuning function
All you have to do make the " VF-A7" ready for start is to connect it to the motor and the power
supply unit; the " VF-A7" does not require cumbersome parameter setting to start it.
2) High flexibility and system expendability
" VF-A7" has a number 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.
4. Options that widen the range of application
･Extended terminal board
･Communication devices
(RS485, RS232C, TOSLINE-F10M/S20, DEVICE NET(*1), PROFI BUS(*1))
･Add-on cassettes compatible with sensor vector control
(Speed feedback, torque control and positioning control, etc... )
･Sensor vector control-compatible board
(Speed feedback, torque control)
･Extension panel･Parameter writer
･Other optional devices common to all models
･Control power supply unit
･Heat-sink attachment
(*1): Planned
This inverter has a "Ver. 312"CPU or later.
Please refer to "10. Table of parameters" for the functions available for the inverter
with a CPU in this version.
The CPU version will be frequently upgraded.

8
Contents sheet
Ⅰ． Safety precautions
‥･･････････････････････････
1
Ⅱ． Preface
‥･･････････････････････････
7
Contents sheet
‥･･････････････････････････
8
１． Read this section first ‥･･････････････････････････
A-1
１ . １ Checking the purchase ‥･･････････････････････････
A-1
１ . ２ Contents of the product code ‥･･････････････････････････
A-1
１ . ３ Names and functions ‥･･････････････････････････
A-2
１ . ３ . １ Panel description ‥･･････････････････････････
A-2
１ . ３ . ２ Main circuit, control power supply and control circuit terminal boards ‥･･････････････････････････
A-4
１ . ３ . ３ Detaching the terminal board front cover ‥･･････････････････････････
A-8
１ . ４ Notes on the application of inverters ‥･･････････････････････････
A-9
１ . ４ . １ Notes on motors combined with inverters ‥･･････････････････････････
A-9
１ . ４ . ２ Notes on inverters ‥･･････････････････････････
A-11
１ . ４ . ３ Influences of leakage currents and measures against it ‥･･････････････････････････
A-12
１ . ４ . ４ Notes on installation ‥･･････････････････････････
A-14
― Basic explanation ―
２ ． Connection ‥･･････････････････････････
B-1
２ . １ Cautions as to wiring ‥･･････････････････････････
B-1
２ . ２ Standard connection ‥･･････････････････････････
B-3
２ . ３ Explanation of terminals ‥･･････････････････････････
B-6
２ . ３ . １ Main circuit terminals ‥･･････････････････････････
B-6
２ . ３ . ２ Control 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] ‥･･････････････････････････
C-8
３ . ３ . １ Setting a control mode ‥･･････････････････････････
C-8
３ . ３ . ２ Polarity of torque command ‥･･････････････････････････
C-10
３ . ３ . ３ Operation from the terminal(external signal) ‥･･････････････････････････
C-11
３ . ３ . ４ Operation from the control panel [ Torque control mode ］ ‥･･････････････････････････
C-14
４． Basic operation of the VF-A7 ･･････････････････････
D-1
４ . １ Setting parameters ･･････････････････････
D-1
４ . １ . １ How to set basic parameters ･･････････････････････
D-2
４ . １ . ２ How to set extended parameters ･･････････････････････
D-4
４ . １ . ３ Searching for changed parameters and changing their settings again ･･････････････････････
D-5
４ . １ . ４ Parameters that cannot be changed during operation ･･････････････････････
D-7
４ . １ . ５ Resetting all parameters to the factory default settings at a time ･･････････････････････
D-7

9
５． Explanation of the basic parameters ‥････････････････････
E-1
５ . １ Setting the acceleration and deceleration times ‥････････････････････
E-1
５ . １ . １ Automatic acceleration/deceleration ‥････････････････････
E-1
５ . １ . ２ Manually setting the acceleration and deceleration times ‥････････････････････
E-2
５ . ２ Increasing starting torque/ energy-saving operation mode ‥････････････････････
E-3
５ . ３ Selecting an operation mode ‥････････････････････
E-6
５ . ４ Setting and calibrating meters ‥････････････････････
E-10
５ . ５ Factory default setting ‥････････････････････
E-13
５ . ６ Forward/reverse run selection (for the panel control only) ‥････････････････････
E-15
５ . ７ Maximum frequency ‥････････････････････
E-15
５ . ８ Upper and lower limit frequencies ‥････････････････････
E-16
５ . ９ Base frequency ‥････････････････････
E-16
５ . １０ Control mode selection ‥････････････････････
E-17
５ . １１ Switching between speed control and torque control ‥････････････････････
E-22
５ . １２ Manual torque boost - Increasing the torque produced at low speeds ‥････････････････････
E-24
５ . １３ Setting the electronic thermal protective function ‥････････････････････
E-24
５ . １４ Preset-speed operation (15 speeds) ‥････････････････････
E-28
― Application explanation ―
６ . Extended parameters ‥‥‥‥‥‥･････
F-1
６ . １ Frequency signals ‥‥‥‥‥‥･････
F-1
６ . １ . １ Low-speed signal ‥‥‥‥‥‥･････
F-1
６ . １ . ２ Putting out signals of arbitrary frequencies ‥‥‥‥‥‥･････
F-2
６ . ２ Selection of input 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 Signal on completion of acceleration/deceleration (OUT 2) ‥‥‥‥‥‥･････
F-7
６ . ３ . ４ Changing output terminal functions ‥‥‥‥‥‥･････
F-8
６ . ３ . ５ Response times of input/output terminals ‥‥‥‥‥‥･････
F-8
６ . ４ Basic parameters #2 ‥‥‥‥‥‥･････
F-9
６ . ４ . １ Switching among V/f characteristics #1, #2, #3 and #4 from input terminal ‥‥‥‥‥‥･････
F-9
６ . ５ V/f 5-point setting ‥‥‥‥‥‥･････
F-10
６ . ６ Speed/torque command gain and bias ‥‥‥‥‥‥･････
F-11
６ . ６ . １ Using two types of frequency (speed) commands ‥‥‥‥‥‥･････
F-11
６ . ６ . ２ Setting frequency command characteristics ‥‥‥‥‥‥･････
F-13
６ . ６ . ３ Setting torque reference characteristics ‥‥‥‥‥‥･････
F-13
６ . ７ Operation frequency ‥‥‥‥‥‥･････
F-14
６ . ７ . １ Start-up frequency and End frequency ‥‥‥‥‥‥･････
F-14
６ . ７ . ２ Operating by means of reference signals ‥‥‥‥‥‥･････
F-14
６ . ７ . ３ 0Hz dead band frequency ‥‥‥‥‥‥･････
F-14
６ . ８ DC injection braking ‥‥‥‥‥‥･････
F-15
６ . ８ . １ DC injection braking ‥‥‥‥‥‥･････
F-15
６ . ８ . ２ Motor shaft fixing control ‥‥‥‥‥‥･････
F-16
６ . ８ . ３ Zero-speed stop mode selection ‥‥‥‥‥‥･････
F-17