INVT Goodrive20-UL VFD Series User manual

Goodrive20-UL Series VFD Contents
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Contents
Contents....................................................................................................................................i
Chapter 1 Safety precautions.................................................................................................1
1.1 Safety definition.............................................................................................................1
1.2 Warning symbols...........................................................................................................1
1.3 Safety guide...................................................................................................................2
1.3.1 Delivery and installation........................................................................................2
1.3.2 Commissioning and running.................................................................................3
1.3.3 Maintenance and component replacement ..........................................................4
1.3.4 What to do after scrapping....................................................................................4
Chapter 2 Product overview...................................................................................................5
2.1 Quick startup..................................................................................................................5
2.1.1 Unpacking inspection............................................................................................5
2.1.2 Checking before applying .....................................................................................5
2.1.3 Environment confirmation.....................................................................................5
2.1.4 Installation confirmation........................................................................................6
2.1.5 Basic commissioning ............................................................................................6
2.2 Product specification .....................................................................................................7
2.3 Product nameplate ........................................................................................................9
2.4 Model code....................................................................................................................9
2.5 Rated specifications ......................................................................................................9
2.6 Structure diagram ........................................................................................................10
Chapter 3 Installation guidelines.........................................................................................12
3.1 Mechanical installation ................................................................................................12
3.1.1 Installation environment......................................................................................12
3.1.2 Installation direction............................................................................................13
3.1.3 Installation mode.................................................................................................13
3.2 Standard wiring............................................................................................................14
3.2.1 Wiring of main circuit ..........................................................................................14
3.2.2 Main circuit terminals..........................................................................................15
3.2.3 Wiring of main circuit terminals...........................................................................16
3.2.4 Wiring of control circuit .......................................................................................16
3.2.5 Control circuit terminals ......................................................................................16
3.2.6 Input/output signal connection figure..................................................................18
3.3 Wiring protection..........................................................................................................19
3.3.1 Protect the VFD and input power cable when a short circuit occurs ..................19
3.3.2 Protect the motor and motor cables....................................................................19
3.3.3 Establish a bypass connection ...........................................................................19
Chapter 4 Keypad operation.................................................................................................21

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4.1 Keypad introduction.....................................................................................................21
4.2 Keypad display ............................................................................................................23
4.2.1 Displaying stopped-state parameters.................................................................23
4.2.2 Displaying running-state parameters..................................................................24
4.2.3 Displaying fault information.................................................................................24
4.2.4 Editing function codes.........................................................................................24
4.3 Operations on the keypad ...........................................................................................25
4.3.1 Modifying VFD function codes............................................................................25
4.3.2 Setting a password for the VFD..........................................................................26
4.3.3 Viewing VFD status.............................................................................................26
Chapter 5 Function parameters ...........................................................................................27
P00 group Basic functions.................................................................................................27
P01 group Start and stop control.......................................................................................35
P02 group Motor 1 parameters..........................................................................................41
P03 group Vector control...................................................................................................44
P04 group SVPWM control................................................................................................48
P05 group Input terminals .................................................................................................52
P06 group Output terminals...............................................................................................60
P07 group HMI ..................................................................................................................63
P08 group Enhanced functions .........................................................................................72
P09 group PID control .......................................................................................................80
P10 group Simple PLC and multi-step speed control........................................................85
P11 group Protection parameters......................................................................................90
P13 group SM control........................................................................................................94
P14 group Serial communication.......................................................................................94
P17 group Status viewing..................................................................................................97
Chapter 6 Fault tracking .....................................................................................................101
6.1 Fault prevention.........................................................................................................101
6.1.1 Periodical maintenance ....................................................................................101
6.1.2 Cooling fan........................................................................................................104
6.1.3 Capacitor...........................................................................................................104
6.1.4 Power cable......................................................................................................105
6.2 Fault handling............................................................................................................106
6.2.1 Indications of alarms and faults........................................................................106
6.2.2 Fault reset.........................................................................................................106
6.2.3 VFD faults and solutions...................................................................................106
6.2.4 Other states ......................................................................................................112
Chapter 7 Communication protocol ..................................................................................113
7.1 Modbus protocol introduction ....................................................................................113
7.2 Application .................................................................................................................113
7.2.1 2-wire RS485....................................................................................................113

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7.2.2 RTU mode.........................................................................................................116
7.3 RTU command code and communication data .........................................................119
7.3.1 Command code 03H.........................................................................................119
7.3.2 Command code 06H.........................................................................................121
7.3.3 Command code 08H, diagnosis........................................................................122
7.3.4 Command code 10H, continuous writing..........................................................123
7.4 Data address definition..............................................................................................124
7.4.1 Function code address format rules .................................................................124
7.4.2 Description of other function addresses in Modbus..........................................124
7.4.3 Fieldbus scale...................................................................................................128
7.4.4 Error message response ..................................................................................129
7.5 Read/Write operation example..................................................................................131
7.5.1 Examples of reading command 03H ................................................................131
7.5.2 Examples of write command 06H.....................................................................132
7.5.3 Examples of continously writing command 10H...............................................133
7.6 Common communication faults .................................................................................135
Appendix A Technical data.................................................................................................136
A.1 Derated application ...................................................................................................136
A.1.1 Capacity............................................................................................................136
A.1.2 Derating............................................................................................................136
A.2 Marking......................................................................................................................137
A.2.1 CE marking.......................................................................................................137
A.2.2 UL and CUL marking........................................................................................137
A.2.3 Compliance with the European EMC Directive................................................137
A.3 EMC regulations........................................................................................................137
A.3.1 VFDs of category C2........................................................................................137
A.3.2 VFDs of category C3........................................................................................138
Appendix B Dimension drawings......................................................................................139
B.1 External keypad (optional) structure .........................................................................139
B.2 VFD chart..................................................................................................................140
Appendix C Optional peripheral accessories...................................................................142
C.1 Wiring of peripheral accessories...............................................................................142
C.2 Power supply ............................................................................................................144
C.3 Cables.......................................................................................................................144
C.3.1 Power cables....................................................................................................144
C.3.2 Control cables ..................................................................................................145
C.4 Fuse..........................................................................................................................145
C.5 Reactors....................................................................................................................146
C.6 Filter..........................................................................................................................147
C.6.1 C3 Filter model instruction ...............................................................................147
C.6.2 C3 filter.............................................................................................................148

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C.6.3 Installation instruction for C3 filter....................................................................149
C.6.4 C2 Filter type instruction ..................................................................................149
C.6.5 C2 filter model selection...................................................................................150
C.7 Braking resistors .......................................................................................................150
C.7.1 Braking resistor selection.................................................................................150
C.7.2 Braking resistor installation ..............................................................................152
Appendix D Energy efficiency data ...................................................................................153
Appendix E Further information ........................................................................................154
D.1 Product and service inquiries....................................................................................154
D.2 Feedback on INVT VFD manuals .............................................................................154
D.3 Documents on the Internet........................................................................................154

Goodrive20-UL Series VFD Safety precautions
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Chapter 1 Safety precautions
Please read this manual carefully and follow all safety precautions before moving, installing,
operating and servicing the variable-frequency drive (VFD). If ignored, physical injury or death
may occur, or damage may occur to the devices.
If any physical injury or death or damage to the devices occurs for ignoring to the safety
precautions in the manual, our company will not be responsible for any damages and we are
not legally bound in any manner.
1.1 Safety definition
Danger:
Serious physical injury or even death may occur if not follow
relevant requirements.
Warning:
Physical injury or damage to the devices may occur if not follow
relevant requirements.
Note:
Physical hurt may occur if not follow relevant requirements.
Qualified
electricians:
People working on the device should take part in professional
electrical and safety training, receive the certification and be
familiar with all steps and requirements of installing,
commissioning, operating and maintaining the device to avoid
any emergency.
1.2 Warning symbols
Warnings caution you about conditions which can result in serious injury or death and/or
damage to the equipment, and advice on how to avoid the danger. Following warning symbols
are used in this manual:
Symbols
Name
Instruction
Abbreviation
Danger
Danger
Serious physical injury or even
death may occur if not follow the
relative requirements
Warning
Warning
Physical injury or damage to the
devices may occur if not follow
the relative requirements
Do not
Electrostatic
discharge
Damage to the PCBA board may
occur if not follow the relative
requirements

Goodrive20-UL Series VFD Safety precautions
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Symbols
Name
Instruction
Abbreviation
Hot sides
Hot sides
Sides of the device may become
hot. Do not touch.
Note
Note
Physical hurt may occur if not
follow the relative requirements
Note
1.3 Safety guide
Only qualified electricians are allowed to operate on the VFD.
Do not carry out any wiring and inspection or changing components when
the power supply is applied. Ensure all input power supply is disconnected
before wiring and checking and always wait for at least the time designated
on the VFD or until the DC bus voltage is less than 36V. Below is the table
of the waiting time:
VFD model
Minimum waiting time
1PH 110V
0.4–1.1kW
5 minutes
1PH 220V
0.4–2.2kW
5 minutes
3PH 220V
0.4–0.75kW
5 minutes
3PH 460V
0.75–2.2kW
5 minutes
Do not refit the VFD unauthorized; otherwise fire, electric shock or other
injury may occur.
The base of the radiator may become hot during running. Do not touch to
avoid hurt.
The electrical parts and components inside the VFD are electrostatic. Take
measurements to avoid electrostatic discharge during relevant operation.
1.3.1 Delivery and installation
Please install the VFD on fire-retardant material and keep the VFD away
from combustible materials.
Connect the braking optional parts (braking resistors, braking units or
feedback units) according to the wiring diagram.
Do not operate on the VFD if there is any damage or components loss to
the VFD.
Do not touch the VFD with wet items or body, otherwise electric shock
may occur.

Goodrive20-UL Series VFD Safety precautions
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Solid-state motor overload protection is performed when the VFD runs at
150% of FLA.
The VFD does not provide motor over-temperature protection.
Note:
Select appropriate moving and installing tools to ensure a safe and normal running of the
VFD and avoid physical injury or death. For physical safety, the erector should take some
mechanical protective measurements, such as wearing exposure shoes and working
uniforms.
Ensure to avoid physical shock or vibration during delivery and installation.
Do not carry the VFD by its cover. The cover may fall off.
Install away from children and other public places.
The leakage current of the VFD may be above 3.5mA during operation. Ground with proper
techniques and ensure the grounding resistor is less than 10Ω. The conductivity of PE
grounding conductor is the same as that of the phase conductor.
R, S and T are the input terminals of the power supply, while U, V and W are the motor
terminals. Please connect the input power cables and motor cables with proper techniques;
otherwise the damage to the VFD may occur.
1.3.2 Commissioning and running
Disconnect all power supplies applied to the VFD before the terminal
wiring and wait for at least the designated time after disconnecting the
power supply.
High voltage is present inside the VFD during running. Do not carry out
any operation except for the keypad setting.
The VFD may start up by itself when P01.21=1. Do not get close to the
VFD and motor.
The VFD can not be used as "Emergency-stop device".
The VFD can not be used to break the motor suddenly. A mechanical
braking device should be provided.
Note:
Do not switch on or off the input power supply of the VFD frequently.
For VFDs that have been stored for a long time, check and fix the capacitance and try to
run it again before utilization (see Maintenance and Hardware Fault Diagnose).
Cover the front board before running, otherwise electric shock may occur.

Goodrive20-UL Series VFD Safety precautions
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1.3.3 Maintenance and component replacement
Only qualified electricians are allowed to perform the maintenance,
inspection, and components replacement of the VFD.
Disconnect all power supplies to the VFD before the terminal wiring. Wait
for at least the time designated on the VFD after disconnection.
Take measures to avoid screws, cables and other conductive matters to
fall into the VFD during maintenance and component replacement.
Note:
Please select proper torque to tighten screws.
Keep the VFD, parts and components away from combustible materials during
maintenance and component replacement.
Do not carry out any isolation and pressure test on the VFD and do not measure the control
circuit of the VFD by megameter.
1.3.4 What to do after scrapping
There are heavy metals in the VFD. Deal with it as industrial effluent.
When the life cycle ends, the product should enter the recycling system.
Dispose of it separately at an appropriate collection point instead of
placing it in the normal waste stream.

Goodrive20-UL Series VFD Product overview
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Chapter 2 Product overview
2.1 Quick startup
2.1.1 Unpacking inspection
Check as follows after receiving products:
1. Check whether the packing box is damaged or dampened. If yes, contact local dealers
or INVT offices.
2. Check the model identifier on the exterior surface of the packing box is consistent with
the purchased model. If no, contact local dealers or INVT offices.
3. Check whether the interior surface of packing box is abnormal, for example, in wet
condition, or whether the enclosure of the VFD is damaged or cracked. If yes, contact
local dealers or INVT offices.
4. Check whether the name plate of the VFD is consistent with the model identifier on the
exterior surface of the packing box. If no, contact local dealers or INVT offices.
5. Check whether the accessories (including user's manual and control keypad) inside the
packing box are complete. If not, please contact with local dealers or INVT offices.
2.1.2 Checking before applying
Check the machine before beginning to use the VFD:
1. Check the load type to verify that there is no overload of the VFD during work and
check whether the power degree of the VFD needs to be modified.
2. Check that the actual current of the motor is less than the rated current of the VFD.
3. Check that the control accuracy of the load is the same of the VFD.
4. Check that the incoming supply voltage is correspondent to the rated voltage of the
VFD.
2.1.3 Environment confirmation
Check as follows before the actual installation and usage:
1. Check that the ambient temperature of the VFD is below 40°C . If exceeds, derate 1%
for every additional 1°C . Additionally, the VFD can not be used if the ambient
temperature is above 50°C .
Note: For the cabinet VFD, the ambient temperature means the air temperature inside
the cabinet.
2. Check that the ambient temperature of the VFD in actual usage is above -10°C . If not,
add heating facilities.
Note: For the cabinet VFD, the ambient temperature means the air temperature inside
the cabinet.

Goodrive20-UL Series VFD Product overview
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3. When the altitude exceeds 1000m, derate by 1% for every increase of 100m. When the
altitude exceeds 3000m, consult the local INVT dealer or office for details.
4. Check that the humidity of the actual usage site is below 90% and condensation is not
allowed. If not, add additional protection VFDs.
5. Check that the actual usage site is away from direct sunlight and foreign objects can not
enter the VFD. If not, add additional protective measures.
6. Check that there is no conductive dust or flammable gas in the actual usage site. If not,
add additional protection to VFDs.
2.1.4 Installation confirmation
Check as follows after the installation:
1. Check that the load range of the input and output cables meet the need of actual load.
2. Check that the accessories of the VFD are correctly and properly installed. The
installation cables should meet the needs of every component (including reactors, input
filters, output reactors, output filters, DC reactors, brake units and braking resistors).
3. Check that the VFD is installed on non-flammable materials and the calorific
accessories (reactors and braking resistors) are away from flammable materials.
4. Check that all control cables and power cables are run separately and the routation
complies with EMC requirement.
5. Check that all grounding systems are properly grounded according to the requirements
of the VFD.
6. Check that the free space during installation is sufficient according to the instructions in
user's manual.
7. Check that the installation conforms to the instructions in user's manual. The VFD must
be installed in an upright position.
8. Check that the external connection terminals are tightly fastened and the torque is
appropriate.
9. Check that there are no screws, cables and other conductive items left in the VFD. If
not, get them out.
2.1.5 Basic commissioning
Complete the basic commissioning as follows before actual utilization:
1. Autotune. If possible, de-coupled from the motor load to start dynamic autotune. Or if
not, static autotune is available.
2. Adjust the ACC/DEC time according to the actual running of the load.
3. Commission the device via jogging and check that the rotation direction is as required.
If not, change the rotation direction by changing the wiring of motor.
4. Set all control parameters and then operate.

Goodrive20-UL Series VFD Product overview
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2.2 Product specification
Function
Specification
Power
input
Input voltage (V)
AC 1PH 110V–120V;
AC 1PH 200V–240V;
AC 3PH 200V–240V;
AC 3PH 380V–480V
Allowable Voltage
Fluctuation
-15%–+10%
Input current (A)
Refer to section 2.5 "Rated specifications"
Input frequency
(Hz)
50Hz or 60Hz; allowed range: 47–63Hz
Power
output
Output voltage (V)
0–input voltage (S12 model: 0–240)
Output current (A)
Refer to section 2.5 "Rated specifications"
Output power (kW)
Refer to section 2.5 "Rated specifications"
Output frequency
(Hz)
0–400Hz
Technical
control
feature
Control mode
SVPWM, SVC
Adjustable-speed
ratio
Asynchronous motor 1: 100 (SVC)
Speed control
accuracy
±0.2% (SVC)
Speed fluctuation
±0.3% (SVC)
Torque response
<20ms (SVC)
Torque control
accuracy
10%
Starting torque
0. 5Hz/150% (SVC)
Running
control
feature
Frequency setting
method
Digital setting, analog setting, pulse frequency
setting, multi-step speed running setting, simple
PLC setting, PID setting, Modbus communication
setting
Shift between the set combination and set channel.
Auto-adjustment of
the voltage
Keep a stable voltage automatically when the grid
voltage transients
Fault protection
Provide comprehensive fault protection functions:
overcurrent, overvoltage, undervoltage, overheating,
phase loss and overload, etc.
Peripheral
interface
Analog input
1 input (AI2): 0–10V/0–20mA; 1 input (AI3): -10–10V
Analog output
2 inputs (AO1, AO2): 0–10V/0–20mA

Goodrive20-UL Series VFD Product overview
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Function
Specification
Digital input
4 common inputs, max. frequency: 1kHz;
1 high speed input, max. frequency: 50kHz
Digital output
1 Y1 terminal output; 2 programmable relay outputs
Relay output
2 programmable relay outputs
RO1A NO, RO1B NC, RO1C common terminal
RO2A NO, RO2B NC, RO2C common terminal
Contact capacity: 3A/AC250V, 1A/DC30V
Others
Mountable method
Wall and rail mountable
Temperature of the
running
environment
-10–50°C, derate above 40°C
Protective degree
Note:
1. The VFD with plastic casing should be installed in
metal distribution cabinet, which conforms to IP20
and of which the top conforms to IP3X.
2. Install device in pollution degree 2 environment
Cooling mode
Forced air cooling
Braking unit
Embedded
EMI filter
Optional filter: meet the degree requirement of IEC
61800-3 C2, IEC 61800-3 C3
Safety
Meet the requirements of CE, UL and CUL
Overvoltage
category
1PH&3PH 240V: Used in Canada only: "Transient
surge suppression shall be installed on the line side
of this equipment and shall be rated 240V (phase to
ground), 240V (phase to phase), suitable for
overvoltage category III, and shall provide protection
for a rated impulse withstand voltage peak of 4kV"
or equivalent.
3PH: Used in Canada only: "Transient surge
suppression shall be installed on the line side of this
equipment and shall be rated 480V (phase to
ground), 480V (phase to phase), suitable for
overvoltage category III, and shall provide protection
for a rated impulse withstand voltage peak of 6kV"
or equivalent.

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2.3 Product nameplate
Figure 2-1 Product nameplate
2.4 Model code
The model code contains product information. You can find the model code on the VFD
nameplate or simplified nameplate.
GD20 –2R2G –4 –UL
④
③
①②
Figure 2-2 Product model
Key
No.
Detailed description
Detailed content
Abbreviation of
product series
①
Abbreviation of product
series
GD20: Goodrive20 series
VFD
Rated power
②
Power range + Load
type
2R2: 2.2kW
G: Constant torque load
Voltage class
③
Voltage class
S12: AC 1PH 110V–120V
S2: AC 1PH 200V–240V
2: AC 3PH 200V–240V
4: AC 3PH 380V–480V
Certification
mark
④
Used in America
S12 model by default
Certified by UL and CUL
2.5 Rated specifications
Model
Rated output
power (kW)
Rated input
current (A)
Rated output
current (A)
GD20-0R4G-S12
0.4
8.1
2.5
GD20-0R7G-S12
0.75
15.1
4.2
GD20-1R1G-S12
1.1
20
5.8

Goodrive20-UL Series VFD Product overview
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Model
Rated output
power (kW)
Rated input
current (A)
Rated output
current (A)
GD20-0R4G-S2-UL
0.4
6.5
2.5
GD20-0R7G-S2-UL
0.75
9.3
4.2
GD20-1R5G-S2-UL
1.5
15.7
7.5
GD20-2R2G-S2-UL
2.2
20
10
GD20-0R4G-2-UL
0.4
3.7
2.5
GD20-0R7G-2-UL
0.75
5.0
4.2
GD20-0R7G-4-UL
0.75
3.4
2.5
GD20-1R5G-4-UL
1.5
5.0
4.2
GD20-2R2G-4-UL
2.2
5.8
5.5
2.6 Structure diagram
The following figure shows the structure of the VFD (using the 0.75kW VFD model as the
example).
6
12
8
10
7
3
2
5
1
9
11
4
Figure 2-3 Product structure
Serial No.
Name
Description
1
External keypad port
Connect the external keypad
2
Port cover
Protect the external keypad port
3
Cover
Protect the internal parts and components
4
Hole for the sliding cover
Fix the sliding cover

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Serial No.
Name
Description
5
Trunking board
Protect the inner components and fix the cables of
the main circuit
6
Name plate
See Chapter 2 "Product overview" for detailed
information
7
Potentiometer knob
Refer to the Chapter 4 "Keypad operation"
8
Control terminals
See Chapter 3 "Installation guidelines" for detailed
information
9
Main circuit terminals
See Chapter 3 "Installation guidelines" for detailed
information
10
Screw hole
Fix the fan cover and fan
11
Cooling fan
See Chapter 6 "Fault tracking" for detailed
information
12
Fan cover
Protect the fan
Note: In above figure, the screws at 4 and 10 are provided with packaging and specific
installation depends on the requirements of customers.

Goodrive20-UL Series VFD Installation guidelines
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Chapter 3 Installation guidelines
The chapter describes the mechanical installation and electric installation of the VFD.
Only qualified electricians are allowed to carry out what described in this
chapter. Please operate as the instructions in Chapter 1 "Safety
precautions". Ignoring these may cause physical injury or death or
damage to the devices.
Ensure the power supply of the VFD is disconnected during the operation.
Wait for at least the time designated after the disconnection if the power
supply is applied.
The installation and design of the VFD should be complied with the
requirement of the local laws and regulations in the installation site. If the
installation infringes the requirement, our company will exempt from any
responsibility. Additionally, if users do not comply with the suggestion,
some damage beyond the assured maintenance range may occur.
3.1 Mechanical installation
3.1.1 Installation environment
The installation environment is the safeguard for a full performance and long-term stable
functions of the VFD. Check the installation environment as follows:
Environment
Conditions
Installation site
Indoor
Environment
temperature
-10°C –+50°C , and the temperature changing rate is less than
0.5°C /minute.
If the ambient temperature of the VFD is above 40°C , derate 1% for
every additional 1°C .
It is not recommended to use the VFD if the ambient temperature is
above 50°C.
In order to improve the reliability of the device, do not use the VFD if
the ambient temperature changes frequently.
Please provide cooling fan or air conditioner to control the internal
ambient temperature below the required one if the VFD is used in a
close space such as in the control cabinet.
When the temperature is too low, if the VFD needs to restart to run
after a long stop, it is necessary to provide an external heating
device to increase the internal temperature, otherwise damage to
the devices may occur.
Humidity
RH ≤90%.
No condensation is allowed.

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Environment
Conditions
Storage
temperature
-40°C –+70°C , and the temperature changing rate is less than
1°C /minute.
Running
environment
condition
The installation site should meet the following requirements.
Away from electromagnetic radiation sources.
Away from oil mist, corrosive gases and combustible gases.
Ensure foreign object like metal powder, dust, oil and water will not
fall into the VFD (do not install the VFD onto combustible object like
wood).
Away from radioactive substance and combustible objects.
Away from harmful gases and liquids.
Low salt content.
No direct sunlight.
Altitude
Below 1000m.
When the altitude exceeds 1000m, derate by 1% for every increase
of 100m.
When the altitude exceeds 3000m, consult the local INVT dealer or
office for details.
Vibration
Max. vibration acceleration: 5.8m/s2 (0.6g)
Installation
direction
The VFD should be installed on an upright position to ensure sufficient
cooling effect.
Note:
Goodrive20-UL series VFDs should be installed in a clean and ventilated environment
according to enclosure classification.
Cooling air must be clean, free from corrosive materials and electrically conductive dust.
3.1.2 Installation direction
The VFD may be installed in a cabinet.
The VFD needs be installed in the vertical position. Check the installation site according to the
requirements below. Refer to Appendix B "Dimension drawings" in the appendix for frame
details.
3.1.3 Installation mode
The VFD can be installed in two different ways, depending on the frame size:
a) Wall mounting (for all frame sizes)
b) Rail mounting (for all frame sizes, but need optional installation bracket)

Goodrive20-UL Series VFD Installation guidelines
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Figure 3-1 Wall mounting
Figure 3-2 Rail mounting
Note: The minimum space of A and B is 100mm. H is 36.6mm and W is 35.0mm.
3.2 Standard wiring
3.2.1 Wiring of main circuit
R
S
TW
V
U
PE
M
(+) PB
Three-phase
380V~480V
50/60Hz
Braking resistor
Input
reactor
Input
filter
Fuse
Output
reactor
Output
filter
L
NW
V
U
PE
M
(+) PB
Single-phase
110V~120V/200V~240V
50/60Hz
Braking resistor
Input
reactor
Input
filter
Fuse
Output
reactor
Output
filter
Figure 3-3 Connection diagram of main circuit
Note:
The fuse, braking resistor, input reactor, input filter, output reactor, output filter are optional
parts. Please refer to Appendix C "Optional peripheral accessories" for detailed information.

Goodrive20-UL Series VFD Installation guidelines
-15-
Remove the yellow warning labels of PB, (+) and (-) on the terminals before connecting the
braking resistor; otherwise, poor connection may occur.
3.2.2 Main circuit terminals
Figure 3-4 1PH terminals of main circuit
Terminal
Terminal name
Function
L
Power input of the main
circuit
1-phase AC input terminals which are generally
connected with the power supply.
N
U
The VFD output
3-phase AC output terminals which are generally
connected with the motor.
V
W
PB, (+)
Braking resistor terminal
PB and (+) are connected to the external resistor.
PE
Grounding terminal
Each machine should be grounded.
Figure 3-5 3PH terminals of main circuit
Terminal
Terminal name
Function
R, S, T
Power input of the main
circuit
3-phase AC input terminals which are generally
connected with the power supply.
U, V, W
The VFD output
3-phase AC output terminals which are generally
connected with the motor.
PB, (+)
Braking resistor terminal
PB and (+) are connected to the external resistor.
PE
Grounding terminal
Each machine should be grounded.
Note:
Do not use asymmetrically motor cables. If there is a symmetrically grounding conductor in
the motor cable in addition to the conductive shield, connect the grounding conductor to the
grounding terminal at the VFD and motor ends.