Toshiba TOSVERT VF-nC3 User manual

Instruction ManualIndustrial Inverter TOSVERTVF-nC3
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E6581595
Read first
I
Safety
precautions
Introduction
Contents
Connection
Operations
Setting
parameters
Main
parameters
Other
parameters
Operation
with external
signal
Monitoring the
operation status
Measures
to satisfy the
standards
Peripheral
devices
Table of
parameters
and data
Specifications
Before making
a service call
Inspection and
maintenance
Warranty
Disposal of the
inverter
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.
Instruction Manual
<Detailed manual>
TOSVERTTM VF-nC3
1-phase 120V class 0.1 VQ0.75kW
1-phase 240V class 0.1 VQ2.2kW
3-phase 240V class 0.1 VQ4kW
Industrial Inverter
For 3-phase induction motors
2009-03

E6581595
1
I
I. Safety precautions
The items described in these instructions and on the inverter itself are very important so that you can use the
inverter safely, prevent injury to yourself and other people around you as well as to prevent damage to property in
the area. Thoroughly familiarize yourself with the symbols and indications shown below and then continue to read
the manual. Make sure that you observe all warnings given.
Explanation of markings
Marking Meaning of marking
Warning Indicates that errors in operation may lead to death or serious injury.
Caution
Indicates that errors in operation may lead to injury (*1) to people or that these errors may
cause damage to physical property. (*2)
(*1) Such things as injury, burns or shock that will not require hospitalization or long periods of outpatient
treatment.
(*2) Physical property damage refers to wide-ranging damage to assets and materials.
Meanings of symbols
Marking Meaning of marking
Indicates prohibition (Don't do it).
What is prohibited will be described in or near the symbol in either text or picture form.
Indicates an instruction that must be followed.
Detailed instructions are described in illustrations and text in or near the symbol.
-Indicates warning.
What is warned will be described in or near the symbol in either text or picture form.
-Indicates caution.
What the caution should be applied to will be described in or near the symbol in either text or picture form.
Limits in purpose
This inverter is used for controlling speeds of three-phase induction motors in general industrial use.
Single-phase power input is output by the inverter as 3-phase output and cannot drive a single-phase motor.
Safety precautions
The inverter cannot be used in any device that would present danger to the human body or from which
malfunction or error in operation would present a direct threat to human life (nuclear power control
device, aviation and space flight control device, traffic device, life support or operation system, safety
device, etc.). If the inverter is to be used for any special purpose, first get in touch with the supplier.
This product was manufactured under the strictest quality controls but if it is to be used in critical
equipment, for example, equipment in which errors in malfunctioning signal output system would cause
a major accident, safety devices must be installed on the equipment.
Do not use the inverter for loads other than those of properly applied three-phase induction motors in
general industrial use. (Use in other than properly applied three-phase induction motors may cause an
accident.)

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I
General Operation
Warning See item
Disassembly
prohibited
•Never disassemble, modify or repair.
This can result in electric shock, fire and injury. For repairs, call your sales distributor.
2.
Prohibited
•Do not open the terminal block cover while the inverter is on.
The unit contains many high voltage parts and contact with them will result in electric shock.
•Don't stick your fingers into openings such as cable wiring hole and cooling fan covers.
This can result in electric shock or other injury.
•Don't place or insert any kind of object into the inverter (electrical wire cuttings,rods, wires etc.).
This can result in electric shock or fire.
•Do not allow water or any other fluid to come in contact with the inverter.
This can result in electric shock or fire.
2.1
2.
2.
2.
Instruction
•After replacing the terminal block cover, turn the input power on.
Turning on the input power without replacing the terminal block cover may lead to electric
shock.
•If the inverter begins to emit smoke or an unusual odor, or unusual sounds, immediately
turn power off.
If the equipment is continued in operation in such a state, the result may be fire. Call your
local sales agency for repairs.
•Always turn power off if the inverter is not used for long periods of time since there is a
possibility of malfunction caused by leaks, dust and other material. If power is left on with
the inverter in that state, it may result in fire.
2.1
3.
3.
Caution See item
Prohibited
contact
•Do not touch heat radiating fins or discharge resistors.
These device are hot, and you'll get burned if you touch them. 3.

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I
Transportation & installation
Warning See item
Prohibited
•Do not install or operate the inverter if it is damaged or any component is missing.
This can result in electric shock or fire. Please consult your local sales agency for repairs.
Call your local sales agency for repairs.
•Do not place any inflammable objects nearby.
If a flame is emitted due to malfunction, it may result in a fire.
•Do not install in any location where the inverter could come into contact with water or
other fluids.
This can result in electric shock or fire.
1.4.4
1.4.4
2.
Warning See item
Instruction
•Must be used in the environmental conditions prescribed in the instruction manual.
Use under any other conditions may result in malfunction.
•Mount the inverter on a metal plate.
The rear panel gets very hot. Do not install in an inflammable object, this can result in fire.
•Do not use the inverter without the terminal block cover. This can result in electric shock.
Failure to do so can lead to risk of electric shock and can result in death or serious injury.
•An emergency stop device must be installed that fits with system specifications (e.g. shut
off input power then engage mechanical brake). Operation cannot be stopped immediately
by the inverter alone, thus risking an accident or injury.
•All options used must be those specified by Toshiba.
The use of any other option may result in an accident.
1.4.4
1.4.4
1.4.4
1.4.4
1.4.4
Caution See item
Prohibited
•When transporting or carrying, do not hold by the front panel covers.
The covers may come off and the unit will drop out resulting in injury.
•Do not install in any area where the unit would be subject to large amounts of vibration.
That could result in the unit falling, resulting in injury.
2.
1.4.4
Instruction
•The main unit must be installed on a base that can bear the unit's weight.
If the unit is installed on a base that cannot withstand that weight, the unit may fall
resulting in injury.
•If braking is necessary (to hold motor shaft), install a mechanical brake.
The brake on the inverter will not function as a mechanical hold, and if used for that
purpose, injury may result.
1.4.4
1.4.4

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I
Wiring
Warning
See item
Prohibited
•Do not connect input power to the output (motor side) terminals (U/T1,V/T2,W/T3).
That will destroy the inverter and may result in fire.
•Do not connect resistors to the DC terminals (across PA/+ - PC/- or PO-PC/-).
That may cause a fire.
•Within 15 minutes after turning off input power, do not touch wires of devices (MCCB)
connected to the input side of the inverter.
That could result in electric shock.
•When supplying power from a wall socket, do not exceed the rated capacity of the socket.
Otherwise, this may generate excessive heat which can start a fire.
2.2
2.2
2.2
Warning See item
Instruction
•Electrical installation work must be done by a qualified expert.
Connection of input power by someone who does not have that expert knowledge may
result in fire or electric shock.
•Connect output terminals (motor side) correctly.
If the phase sequence is incorrect, the motor will operate in reverse and that may result in
injury.
•Wiring must be done after installation.
If wiring is done prior to installation that may result in injury or electric shock
•The following steps must be performed before wiring.
(1) Turn off all input power.
(2) Wait at least 15 minutes and check to make sure that the charge lamp is no longer lit.
(3) Use a tester that can measure DC voltage (400VDC or more), and check to make sure
that the voltage to the DC main circuits (across PA/+ - PC/-) is 45V or less.
If these steps are not properly performed, the wiring will cause electric shock.
•Tighten the screws on the terminal board to specified torque.
If the screws are not tightened to the specified torque, it may lead to fire.
•Check to make sure that the input power voltage is +10%, -15% of the rated power
voltage written on the rating label (±10% when the load is 100% in continuous operation).
If the input power voltage is not +10%, -15% of the rated power voltage (±10% when the
load is 100% in continuous operation) this may result in fire.
2.1
2.1
2.1
2.1
2.1
1.4.4
Be Grounded
•Ground must be connected securely.
If the ground is not securely connected, it could lead to electric shock or fire when a
malfunction or current leak occurs.
2.1
2.2
Caution See item
Prohibited
•Do not attach equipment (such as noise filters or surge absorbers) that have built-in
capacitors to the output (motor side) terminals.
That could result in a fire.
2.1

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I
Warning
See item
Instruction
•Configuring settings on the setup menu incorrectly may break the inverter or lead to
malfunction.
3.1
Operations
Warning
See item
Prohibited
•Never touch the internal terminals in the upper right while the front cover is open.
There is a risk of shock because it carries a high voltage.
1.3.1
Warning
See item
Prohibited
•Do not touch inverter terminals when electrical power is going to the inverter even if the
motor is stopped.
Touching the inverter terminals while power is connected to it may result in electric shock.
•Do not touch switches when the hands are wet and do not try to clean the inverter with a
damp cloth.
Such practices may result in electric shock.
•Do not go near the motor in alarm-stop status when the retry function is selected.
The motor may suddenly restart and that could result in injury.
Take measures for safety, e.g. attaching a cover to the motor, against accidents when the
motor unexpectedly restarts.
3.
3.
3.
Instruction
•After replacing the terminal block cover, turn the input power on.
When installed inside a cabinet and using with the front cover removed, always close the
cabinet doors first and then turn power on. Turning on the power with the terminal block
cover or cabinet doors open may result in electric shock.
•Make sure that operation signals are off before resetting the inverter after malfunction.
If the inverter is reset before turning off the operating signal, the motor may restart
suddenly causing injury.
3.
3.
Caution See item
Prohibited
•Observe all permissible operating ranges of motors and mechanical equipment. (Refer to
the motor's instruction manual.)
Not observing these ranges may result in injury.
3.
When sequence for restart after a momentary failure is selected (inverter)
Caution See item
Instruction
•Stand clear of motors and mechanical equipment.
If the motor stops due to a momentary power failure, the equipment will start suddenly
after power recovers. This could result in unexpected injury.
•Attach warnings about sudden restart after a momentary power failure on inverters,
motors and equipment for prevention of accidents in advance.
E6581595,
6.12.1
E6581595,
6.12.1

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I
When retry function is selected (inverter)
Caution See item
Instruction
•Stand clear of motors and equipment.
If the motor and equipment stop when the alarm is given, selection of the retry function will
restart themsuddenly after the specified time has elapsed. This could result in unexpected
injury.
•Attach warnings about sudden restart in retry function on inverters, motors and equipment
for prevention of accidents in advance.
E6581595,
6.12.3
E6581595,
6.12.3
Maintenance and inspection
Warning
See item
Prohibited
•Do not replace parts.
This could be a cause of electric shock, fire and bodily injury. To replace parts, call the
local sales agency.
14.2
Instruction
•The equipment must be inspected every day.
If the equipment is not inspected and maintained, errors and malfunctions may not be
discovered and that could result in accidents.
•Before inspection, perform the following steps.
(1) Turn off all input power to the inverter.
(2) Wait at least 15 minutes and check to make sure that the charge lamp is no longer lit.
(3) Use a tester that can measure DC voltages (400VDC or more), and check to make
sure that the voltage to the DC main circuits (across PA/+ - PC/-) is 45V or less.
If inspection is performed without performing these steps first, it could lead to electric
shock.
14.
14.
Disposal
Caution See item
Instruction
•If you throw away the inverter, have it done by a specialist in industry waste disposal(*).
If you throw away the inverter by yourself, this can result in explosion of capacitor or
produce noxious gases, resulting in injury.
(*) Persons who specialize in the processing of waste and known as "industrial waste
product collectors and transporters" or "industrial waste disposal persons. "If the
collection, transport and disposal of industrial waste is done by someone who is not
licensed for that job, it is a punishable violation of the law. (Laws in regard to cleaning
and processing of waste materials)
16.

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I
Attach caution labels
Shown here are examples of warning labels to prevent, in advance, accidents in relation to inverters, motors and other
equipment.
Be sure to affix the caution label where it is easily visible when selecting the auto-restart function (6.13.1) or the retry
function (6.13.3).
If the inverter has been programmed for restart
sequence of momentary power failure, place warning
labels in a place where they can be easily seen and
read.
(Example of warning label)
If the retry function has been selected, place warning
labels in a location where they can be easily seen and
read.
(Example of warning label)
Caution (Functions
programmed for restart)
Do not go near motors and equipment.
Motors and equipment that have stopped
temporarily after momentary power failure will
restart suddenly after recovery.
Caution (Functions
programmed for retry)
Do not go near motors and equipment.
Motors and equipment that have stopped
temporarily after an alarm will restart suddenly
after the specified time has elapsed.

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I
I II. Introduction
Thank you for your purchase of the Toshiba "TOSVERT VF-nC3” industrial inverter.
This is the Ver. 100 CPU version inverter.
Please be informed that CPU version will be frequently upgraded.

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 Contents 
I Safety precautions.........................................................................................................................................................1
II Introduction....................................................................................................................................................................8
1. Read first.......................................................................................................................................................................A-1
1.1 Check product purchase....................................................................................................................................A-1
1.2 Contents of the product .....................................................................................................................................A-2
1.3 Names and functions.........................................................................................................................................A-3
1.4 Notes on the application....................................................................................................................................A-12
2. Connection ....................................................................................................................................................................B-1
2.1 Cautions on wiring.............................................................................................................................................B-1
2.2 Standard connections........................................................................................................................................B-2
2.3 Description of terminals.....................................................................................................................................B-5
3. Operations.....................................................................................................................................................................C-1
3.1 How to Set the Setup Menu...............................................................................................................................C-2
3.2 Simplified Operation of the VF-nC3...................................................................................................................C-4
3.3 How to operate the VF-nC3...............................................................................................................................C-9
3.4 Meter setting and adjustment ............................................................................................................................C-13
3.5 Setting the electronic thermal ............................................................................................................................C-16
3.6 Preset-speed operation (speeds in 15 steps)....................................................................................................C-21
4. Setting parameters ........................................................................................................................................................D-1
4.1 Setting and Display Modes................................................................................................................................D-1
4.2 How to set parameters.......................................................................................................................................D-3
4.3 Functions useful in searching for a parameter or changing a parameter setting................................................D-7
4.4 Checking the region settings selection ..............................................................................................................D-12
4.5 EASY key function.............................................................................................................................................D-13
5. Main parameters............................................................................................................................................................E-1
5.1 Searching for changes using the history function () .................................................................................E-1
5.2 Setting a parameter using the guidance function ()..................................................................................E-2
5.3 Setting acceleration/deceleration time...............................................................................................................E-5
5.4 Increasing starting torque..................................................................................................................................E-7
5.5 Selection of operation mode..............................................................................................................................E-10
5.6 Meter setting and adjustment ............................................................................................................................E-13
5.7 Forward/reverse run selection (Panel keypad) ..................................................................................................E-13
5.8 Maximum frequency ..........................................................................................................................................E-14
5.9 Upper limit and lower limit frequencies..............................................................................................................E-15
5.10 Base frequency..................................................................................................................................................E-16

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5.11 Selecting control mode.......................................................................................................................................E-17
5.12 Manual torque boost - increasing torque boost at low speeds...........................................................................E-21
5.13 Setting the electronic thermal.............................................................................................................................E-22
5.14 Preset-speed operation (speeds in 15 steps).....................................................................................................E-22
5.15 Standard default setting .....................................................................................................................................E-22
5.16 Checking the region setting selection ................................................................................................................E-22
5.17 EASY key function .............................................................................................................................................E-22
6. Other parameters...........................................................................................................................................................F-1
6.1 Input/output parameters.....................................................................................................................................F-1
6.2 Input signal selection..........................................................................................................................................F-4
6.3 Terminal function selection.................................................................................................................................F-7
6.4 Basic parameters 2............................................................................................................................................F-9
6.5 Setting frequency command ..............................................................................................................................F-11
6.6 Operation frequency...........................................................................................................................................F-18
6.7 DC braking.........................................................................................................................................................F-19
6.8 Auto-stop in case of lower-limit frequency continuous operation .......................................................................F-20
6.9 Jump frequency - Avoiding frequency resonance...............................................................................................F-21
6.10 Preset-speed operation frequencies ..................................................................................................................F-22
6.11 PWM carrier frequency ......................................................................................................................................F-22
6.12 Trip-less intensification.......................................................................................................................................F-24
6.13 PID control .........................................................................................................................................................F-32
6.14 Setting motor constants......................................................................................................................................F-37
6.15 2nd acceleration/deceleration............................................................................................................................F-41
6.16 Protection functions............................................................................................................................................F-45
6.17 Adjustment parameters......................................................................................................................................F-55
6.18 Operation panel parameter ................................................................................................................................F-57
6.19 Communication function (RS485) ......................................................................................................................F-63
6.20 Free memo.........................................................................................................................................................F-68
7. Operations with external signal......................................................................................................................................G-1
7.1 Operating externally signals...............................................................................................................................G-1
7.2 Applied operations by an I/O signal (operation from the terminal block)............................................................G-2
7.3 Speed instruction (analog signal) settings from external devices.......................................................................G-10
8. Monitoring the operation status......................................................................................................................................H-1
8.1 Flow of status monitor mode..............................................................................................................................H-1
8.2 Status monitor mode..........................................................................................................................................H-2
8.3 Display of trip information...................................................................................................................................H-6
9. Measures to satisfy the standards..................................................................................................................................I-1
9.1 How to cope with the CE directive......................................................................................................................I-1
9.2 Compliance with UL Standard and CSAStandard..............................................................................................I-4

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10. Peripheral devices.........................................................................................................................................................J-1
10.1 Selection of wiring materials and devices..........................................................................................................J-1
10.2 Installation of a magnetic contactor ...................................................................................................................J-3
10.3 Installation of an overload relay.........................................................................................................................J-4
10.4 Optional external devices ..................................................................................................................................J-5
11. Table of parameters and data........................................................................................................................................K-1
11.1 User parameters................................................................................................................................................K-1
11.2 Basic parameters...............................................................................................................................................K-1
11.3 Extended parameters ........................................................................................................................................K-4
11.4 Default settings by inverter rating ......................................................................................................................K-16
11.5 Default settings by setup menu..........................................................................................................................K-16
11.6 Input Terminal Function .....................................................................................................................................K-17
11.7 Output Terminal Function...................................................................................................................................K-19
12. Specifications.................................................................................................................................................................L-1
12.1 Models and their standard specifications...........................................................................................................L-1
12.2 Outside dimensions and mass...........................................................................................................................L-4
13. Before making a service call - Trip information and remedies .......................................................................................M-1
13.1 Trip causes/warnings and remedies..................................................................................................................M-1
13.2 Restoring the inverter from a trip.......................................................................................................................M-5
13.3 If the motor does not run while no trip message is displayed ............................................................................M-6
13.4 How to determine the causes of other problems ...............................................................................................M-7
14. Inspection and maintenance..........................................................................................................................................N-1
14.1 Regular inspection.............................................................................................................................................N-1
14.2 Periodical inspection..........................................................................................................................................N-2
14.3 Making a call for servicing .................................................................................................................................N-4
14.4 Keeping the inverter in storage..........................................................................................................................N-4
15. Warranty........................................................................................................................................................................O-1
16. Disposal of the inverter..................................................................................................................................................P-1

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A-1
1
1. Read first
1.1 Check product purchase
Before using the product you have purchased, check to make sure that it is exactly what you ordered.
Caution
Mandatory
Use an inverter that conforms to the specifications of power supply and three-phase induction
motor being used. If the inverter being used does not conformto those specifications, not only will
the three-phase induction motor not rotate correctly, it may also cause serious accidents through
overheating and fire.
TRANSISTOR INVERTER
VFNC3S-2022PL
2.2kW-4.1kVA-3HP (1)
U(V)
F(Hz)
I(A)
INPUT OUTPUT
1PH 200/240 3PH 200/240
50/60 0.1/400
21.9/18.4 10.0
S.Ckt 1000A FUSE CC/J 30Amax
Serial No . 1328 02021208 0001
Motor Overload Protection Class 10
Made in .....
TSIJ
Related output
current
Power supply
Related input
current
Inverter Type
Inverter rated
output capacit
y
Danger label
Brand name
Model
Power supply
Motor capacity
Inverter main unit
Carton box
Name plate Danger label
Instruction manual
This manual
Type indication label
CD-ROM
Rating label
Name plate
Contains the instruction manual in
digital form
3PH-200V 0.75kW
VF-nC3
Setup sheet

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A-2
1
1.2 Contents of the product
Explanation of the name plate label.
Type
Form
V F N C 3 S -2007PLB-A22
Model name
TOSVERT
VF-nc3series
Number of
power phases
S: single-phase
None:
t
hr
ee
-
p
h
ase
Applicable motor
capacity
001 : 0.1kW
002 : 0.2kW
004 : 0.4kW
007 : 0.75kW
015 : 1.5kW
022 : 2.2kW
037 : 4kW
Additional functions I
None: No filter inside
L: Built-in
high-attenuation
EMI filter
None: No filter
Operation panel
P: Provided
Special specification code
A:is the number
Input (AC) voltage
1 : 100V to 120V
2 : 200V to 240V
Additional function II
None: Standard product
B: Base plate type
Y: Special specifications
Warning: Always shut power off first then check the ratings label of inverter held in a cabinet.

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A-3
1
1.3 Names and functions
1.3.1 Outside view
With cover closed
Charge lamp
Indicates there is a high
voltage still in the inverter.
Do not open the terminal
block cover when this lamp
is lit because it is
dangerous.
Cover
This is the body or terminal
block cover.
Always close this cover
before operation to avoid
accidentally touching the
terminal block.
Door lock hole
You can lock the door by
shutting it an passing a wire
key through this hole.
Note 1) Remove the seal as shown on the next page when installing the inverter side by side with
other inverters where the ambient temperature will rise above 40°C.
Note 2) Some models are wrapped in plastic.
Hole for control wire
Optional connector (RJ45)
Hole for main
circuit wiring
Upper caution plate (sticker) (Note 1)
Name plate
Ventilation
Cooling fin (Note 2)
[Front view]
[Bottom view] [Side view]

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A-4
1
Example of the label
[Opening the cover]
l14 l d
¸About the monitor display
The LED on the operation panel uses the following symbols to indicate parameters and operations.
LED display (numbers)
0 1 2 3 4 5 6 7 8 9 -
0 1 2 3 4 5 6 7 8 9 -
LED display (letters)
Aa Bb C c Dd Ee Ff Gg H h I i Jj Kk Ll
abcwdefghki}j l
Mm Nn O oPp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz
m n o x p q r s t u v y

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A-5
1
Warning
Prohibited
•Never touch the internal terminals in the upper right while the cover is open. There is a risk of shock
because it carries a high voltage.
[With cover open]
Hz lamp
Displayed numbers are
in Hertz.
STOP key
While the runing lamp is
blinking, pressing this
button slows down and
stops the inverter.
MODE key
Switches between run,
settings, and status
monitor modes.
EASY key
High voltage
caution mark
MON lamp
While this is lit, the
inverter is in monitor
mode.
While blinking, the
inverter is in "Past Trip
History Details Monitor
Display".
RUN key
Pressing this key while
the run lamp is on starts
operation.
Setting dial
Turning the dial left and
right changes the
operation frequency,
cycles parameters, and
cycles among menus
within parameters.
PRG lamp
When lit, the inverter is
in parameter setting
mode. When blinking,
the inverter is in AUH or
Gr-U.
RUN lamp
Lit when a frequency is
not output with the ON
run command. This lamp
blinks when operation
starts.
% lamp
Dispalyed numbers are
percents.
The internal terminal in
the upper right carries a
high voltage. Never
touch it.
Switches between easy
and standard setting
modes.

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A-6
1
1.3.2 Opening the terminal cover
Caution
Instruction
●When removing and installing the terminal cover with a screwdriver, be sure not to scratch your hand as
this results in injury.
●Pressing too hard on the screwdriver may scratch the inverter.
●Always cut the power supply when removing the wiring cover.
●After wiring is complete, be sure to replace the terminal cover.
Use the following procedure to remove both the upper and lower terminal block covers.
(1) Removing the lower (output and dc terminals) terminal block cover
1) 2)
3) 4)
Insert a screwdriver or other thin object into the
hole indicated with the mark. Press in on the screwdriver.
While pressing on the screwdriver, rotate the
terminal cover downward to remove it. Pull the terminal cover up at an angle.

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1
(2) Removing the upper terminal (input terminal) block cover
★After wiring is complete, be sure to restore the terminal cover to its original position.
1) 2)
3) 4)
Insert a screwdriver or other thin object into the
hole indicated with the mark. Press in on the screwdriver.
While pressing on the screwdriver, rotate the
terminal cover upward to remove it. Pull the terminal cover up at an angle.

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A-8
1
1.3.3 Power circuit and control circuit terminal boards
In case of the lug connector, cover the lug connector with insulated tube, or use the insulated lug connector.
Note 1: EMC plate is supplied as standard.
1) Power circuit terminal board
In case of the lug connector, cover the lug connector with insulated tube, or use the insulated lug
connector.
Screw size Tightening torque
M3.5 screw 1.0Nm 8.9lb yin
M4 screw 1.4Nm 12.4lb yin
M5 screw 3.0Nm 26.6lb yin
For details on terminal functions, see 2.3.1.
VFNC3-2001 ∼2007P
* Bend the clips on the wiring port of the terminal cover to connect the PO, PA/+, and PC/- terminals.
R/L1 S/L2 T/L3
P0 PA/+ PC/- U/T1 V/T2 W/T3
Earth terminal
(M4 screw)
Short-circuit cover
EMC plate
For installation (Note 1)
Earth terminal
(M4 screw)
M3.5 screw
Earth
terminal
(M5 screw)
Earth terminal
M3.5 screw