Selec VFD Series Manuel utilisateur
General Purpose
VFD Series
User Manual Preface
PREFACE
The VFD-S series of drives focuses on providing you with the best levels of scalar control of
asynchronous AC motors. Through the adoption of the most advanced PWM technologies driven
through one of the most powerful DSP control systems, this drive is armed with optimized functions and
flexibility to drive a myriad of applications with stable performances as per your requirements.
Thank you for choosing the VFD-S General Purpose Variable Frequency Drives series. This manual
will provide you with the detailed steps and precautions regarding installation, wiring, setting of functional
parameters, routine maintenance, malfunction diagnosis and solution etc.
This manual is available on our website and is accessible through the QR code provided on the unit
and the Parameter List provided as an attachment. We request you to keep it safely considering its
importance in commissioning, inspecting, and maintaining the product. In the pursuit of constant
improvement, kindly note, that this manual is subject to modifications without any notice.
To utilize the drive to its full function and ensure the safety of both users and the product, please read
this manual carefully before using the drive. Any incorrect operations may lead to fault, malfunction or
shortened lifetime, even damage to the device or the people around it.
User Manual
CONTENTS
Contents
3-3-4 Earth terminal PE 10
1.1 Warning 5
2.1 Installation environment 6
2.2 Installation instructions and space limit 6
3-1 Connection methods for assorted devices 7
4.5 Illustrations of keyboard operations- 13
P1- Keypad Parameters 17
P4- Scalar Control Parameters 19
5-1-2 Commissioning 14
P2- Start and Stop Parameters 18
1.3 Delivery and Installation 5
3-4 Explanation of control loop terminals 10
3-3-1 Connection of Input Power Terminals 9
6-1 Functional Parameters Table 16
3-2 Standard Wiring Diagram 8
2. Installation 6
4.3 Function LEDs descriptions- 12
1. Safety precautions 5
3. Wiring 7
3-3-2 Connection of Output Power Terminals 9
3-3-3 Braking Resistors and Braking Unit 10
1.2 Safety guidelines 5
3-3 Description of Terminals 9
4.4 Keys Description- 12
5-1-3 Quick Commissioning 15
6. Specifications of functional parameters 16
5-1-1 Check before running 14
4.2 Units LEDs descriptions- 12
4. Keyboard and Panel 11
5-1 Commissioning 14
P0- Basic Functional Parameters 16
4.1 Illustration of Keypad 11
5. Running 14
P3- Motor Parameters 19
P6- Output Function Parameters 21
P7- PI Control Parameters 22
P5- Input Function Parameters 20
User Manual
9.1. Protocol Content 63
7.1 Malfunction and solutions 59
8.1. General maintenance and upkeep 61
8.2. Inspection and replacing damaged parts 61
8.4. Product Warranty 62
7. Fault Handling And Troubleshooting 59
8.3. Storage 62
7.2. Common Faults and processing schemes 60
9.5 Read-write rules of parameter address for function code 67
9.4 Command code and data description 65
P11- Communication Parameters 55
9. External Communication 63
9.3. Frame Structure 64
10.2 Specifications 68
10.3 Product Dimensions 70
8. Maintenance 61
P10- Fault History 55
P12- Enhanced parameters 56
9.2. Protocol Instructions 63
10. Appendix 68
10.1. Braking Resistor Calculations 68
P9- Protection Parameters 24
P10- Fault History 25
P11- Communication parameters 26
6-2 Detailed Explanation of Functional Parameters- 27
P0- Basic Parameters 27
P1- Keypad Parameters 30
P2- Start and Stop Parameters 32
P12- Enhanced Parameters 26
P3- Motor Parameters 36
P4- Scalar Control Parameters 36
P5- Input Function Parameters 39
P6- Output Function Terminals 45
P7- PI Control Parameters 47
P8- Simple PLC and multispeed options 23
P8- Simple PLC and Multispeed parameters 49
P9- Protection Parameters 52
Contents
5
1. Safety Precautions
Read this manual carefully and follow all safety precautions before moving, installing, operating and
servicing the variable-frequency drive (VFD). Ignoring the safety protocols can result in damage or
loss of life or property.
Pre-delivery inspection for each drive is implemented strictly by our QC Department. The packaging
is adequately strengthened with special packing materials which to protect it from justifiable levels of
harm that could come its way during handling and transportation. However, as an added precaution,
we request you to kindly check the following points upon receipt of the device-
ŸPlease check if this is the model of the product for which you placed an order.
ŸPlease check if the enclosed documents are all inside the case namely the manual and test report.
ŸNo permission is granted to change or modify the internal components or circuits.
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 hazards.
1.3 Delivery and Installation
1.1 Warning
ŸOnly qualified professional engineers are allowed to assemble, wire, commission or maintain the
converter.
ŸPlease check for any damage caused during the transportation.
ŸIn any case, AC power lines SHOULD NOT be connected to the output terminals viz. U, V or W.
ŸThe drive must be installed in an appropriate operating environment and far away from humidity or
water drops; care must be taken to protect it from direct sunlight or being overheated.
ŸDo not conduct the procedure of inspection or maintenance until the drive has been shut down for
at least 3 minutes or as mentioned on the drive terminal cover.
ŸDo not touch the internal components for your own and the product’s safety.
ŸPower must be shut off completely before performing any kind of wiring on the
control or power terminals.
ŸGround wire must be connected correctly.
ŸPlease check if you have received the right converter accessories as per your order.
1.2 Safety guidelines
User Manual
6
2. Installation
ŸIt should be installed on a fire and heat proof frame, for example, a metal frame, to prevent risks of a
fire hazard.
ŸVentilation must be taken into consideration to ensure that ambient temperature is lower than the
specified value when the drive is installed inside a control cabinet.
ŸThere shouldn’t be any metal particulates in the surrounding air.
ŸThe ambient temperature should be -10°C ~ +50°C. Sufficient ventilation should be available.
2.2 Installation instructions and space limit
ŸTo minimize the heat effect on each other, if two or more converters are installed in the same control
cabinet, they should be installed horizontally abreast; A baffle plate must be set up between them if, for
some reason, they have to be installed vertically.
2.1 Installation environment
ŸThe surroundings must be free from dust, caustic/corrosive/inflammable gases/liquids.
ŸSolid base without vibration.
ŸSpare space must be ensured for the ventilation of the drive to allow it to maintain its temperature
during operation.
ŸIt should be mounted by screws vertically; upside-down, slant or horizontal mountings are not allowed.
50mm 50mm
≥100mm
≥100mm
UP
Right
CONVERTER
User Manual
CONVERTER
CONVERTER
7
ŸPower must be shut off before wiring.
ŸTo avoid electric shock, do not touch the terminals of the major loop.
3. WIRING
ŸFor the safety of the operator as well as devices, only the professional engineers are allowed to
operate it. Please pay attention to the following precautions while wiring.
ŸPE earth terminal must be connected with the ground.
ŸThe rated voltage must conform to AC voltage. Power cords must be connected with the terminal R, S
and T while motor lines should be connected with terminal U, V and W; any incorrect connection may
cause damage to the internal components of the converter.
ŸThe reliability of the terminals and wires must be evaluated before wiring and screws for the terminals
of the major loop must be fastened solidly.
User Manual
3-1 Connection methods for assorted devices
Chopper AC reactor Electromagnetic
contactor Filter Braking Resistor Filter
Name
Applicable
model should
be selected; its
rated current
must be no
less than 1.5
times the
rated current
of converter
it’s applied
to the
improvement
of input
power factors
it’s used to
control the
switching of
power source
it’s used
to reduce
the radio
interfer-
ence
generated
by
converter
it’s applicable
when the braking
torque doesn’t
meet basic requir-
ements, or when
inertia load is so
large that converter
needs to be
stopped frequently
or in a short time
It’s used to
reduce the
radio
interference
generated
by converter.
But it’s not
applicable if
the leads is
too short
Descriptions
Configuration
Three-phase
power source
Braking
Resistor
(B1) (B2)
R U
YV
BW
M
3-2 Standard Wiring Diagram
8
User Manual
Single phase supply source 230VAC ± 15%
Three phase supply source 415VAC ± 15%
50/60 Hz.
Main Circuit
Control Circuit
GND
X5 Input terminal 5
X4 Input terminal 4
X3 Input terminal 3
X2 Input terminal 2
X1 Input terminal 1
If NPN
Forward Jog
Fault Reset
External Fault I/P
If PNP (Default)
AO+
AO-
L/R
N/Y
B B
Forward Rotation
Reverse Rotation
Grounding of Power
Measurments
Motor Grounding
Default Settings
POT
AI
GND
Input 0-10V
Input 0-20mA
Potentiometer
QE
RY1
NC
COM
NO
+V
Y1
3
5
7
485+
485-
Default setting:
Running
Output of relay
Default setting:
Fault output
1
Preset Frequency
Multi-functional AI
0-10V
AI
0-20mA
0-10V
AO
0-20mA
+V
Note : PNP & NPN settings can be changed in P5-12
Y
9
3-3 Description of Terminals
Terminal symbol (code) Functional descriptions
Terminals for three-phase AC input 415V
Terminals for Single-phase AC input 220V
Output terminals, connect with three-phase AC electromotor
Terminals for braking resistor(optional)
Terminal of ground (Earth terminal)
R, Y, B
L,N
U, V, W
B1, B2
For safety's sake, please connect wires according to the regulations of National Electrical Code while
proceeding wiring.
3-3-1 Connection of Input Power Terminals
An additional breaker/chopper must be connected in series with the terminals of the major loop (R,
Y, B or L, N and U, V, W). For better running, an electromagnetic contactor should be connected with
them in series so that it could cut off the power while the protection function of the converter is activated
(Tip: R-C surge absorbers should be added to the ends of the electromagnetic contactor). If an additional
earth leakage circuit breaker (ELCB) is installed as a protective device for electric leakage, the sensitivity
of current should be more than 200mA while actuation time should be no less than 0.1 second to prevent
ELCB from malfunctioning. AC reactor must be connected with the input terminals in cases were the
rectifiers could be damaged by high-voltage and high-current input from the grid, which could also
improve the input power factors. Do not control the converter by disconnecting the major loop. Instead of
that, RUN/STOP buttons on the keyboard or control loop terminals should be applied to the control of the
converter; if it has to be controlled by that way, it can be implemented only once every one hour. It's
feasible to reduce the interference with devices nearby by connecting an additional noise filter with the
input terminals. Do not connect converter driven by three-phase power to single-phase source.
3-3-2 Connection of Output Power Terminals
Output terminals must be connected to the three-phase motor in the correct order; if the motor
rotates in the wrong direction, any two wires among U, V and W electrical wiring can be switched with
each other. In any case, do not connect output terminals to a phasing capacitor or surge-absorber. When
the length of wire connecting converter with motor is more than 50 meters, there may be a large amount
of electric leakage caused by the capacitors between the wiring, which may lead to over current;
additionally, to protect the insulation of motor from being damaged, an additional output reactor must be
installed. An additional noise filter can be installed to reduce the electromagnetic interference of output if
surroundings can be easily affected by the converter; interference can also be minimized by reducing its
carrier frequency.
User Manual
3-3-3 Braking Resistors and Braking Unit
If inertia load is large and the converter needs to be shut off frequently or in a short time, braking
resistors or braking units should be selected and installed accordingly to solve the issue of insufficient
braking capacity and improve braking torque. Terminals (B1, B2) of the major loop must be connected
with braking resistors (Note: terminal B1 or B2 indicates that this converter is the one with built-in braking
units). If there is no built-in braking unit, positive (+) and negative (-) terminals of the major loop should be
connected to external braking units. Do not connect positive (+) and negative (-) terminals of the major
loop to the braking resistor.
3-3-4 Earth terminal PE
For safety's sake, earth terminal PE must be well grounded to reduce noise. Please use the
standard ground lead which should be as short and thick as possible (its grounding impedance should be
no more than 10Ω). Do not connect its ground lead with that of a high-current loading machine to the
ground at the same time, for example, welder or high-power motor, they must be grounded separately.
All the converters must be connected to the same earth terminal directly if two or more converters are
installed together; please refer to the wiring layout below
(a) correct (b) not recommend (c) error
3-4 Explanations of control loop terminals
10
User Manual
AO
+-POT AI GND X1 X2 X3 X4 X5 GND Y1 +V NOCOMNC
Items Symbol Terminal Name Description/ Default Setting
1AO+ Analog Output Signal Positive Terminal Positive Terminal for Analog Output
(0 - 10V/0-20mA) signal generation
2AO- Analog Output Signal Negative Terminal Negative Terminal for Analog Output
(0 - 10V/0-20mA) signal generation
3POT Potentiometer Terminal Terminal for connecting external 10k
Potentiometer
4 AI Analog Input Terminal Terminal for Analog input
(0-10V/ 0-20mA) signal
5GND Control Terminals Ground Ground for control terminals
6X1 Multifunction Input Terminal 1 Default Setting: FWD
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1
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6
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