Selec VFD Series Manuel utilisateur
Compact & Powerful
VFD Series
User Manual Preface
PREFACE
The VFD-L 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.
This manual is enclosed 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.
Thank you very much for choosing the VFD-L series high-performance Variable Frequency Drives
(VFD). 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.
User Manual
CONTENTS
Contents
4.5 Illustrations of keyboard operations- 13
P0- Basic Functional Parameters 16
6. Specifications of functional parameters 16
4.3 Function LEDs descriptions- 12
4.4 Keys Description- 12
5-1-2 Commissioning 14
P1- Keypad Parameters 17
5-1-1 Check before running 14
5-1-3 Quick Commissioning 15
6-1 Functional Parameters Table 16
P4- Scalar Control Parameters 19
4.2 Units LEDs descriptions- 12
5. Running 14
5-1 Commissioning 14
4.1 Illustration of Keypad 11
P2- Start and Stop Parameters 18
P3- Motor Parameters 19
4. Keyboard and Panel 11
P6- Output Function Parameters 21
P5- Input Function Parameters 20
P7- PI Control Parameters 22
1.1 Warning 5
1.2 Safety guidelines 5
2. Installation 6
2.1 Installation environment 6
2.2 Installation instructions and space limit 6
3. Wiring 7
3-2 Standard Wiring Diagram 8
3-3 Description of Terminals 9
3-3-1 Connection of Input Power Terminals 9
1.3 Delivery and Installation 5
3-1 Connection methods for assorted devices 7
3-3-2 Connection of Output Power Terminals 9
1. Safety precautions 5
3-3-3 Earth terminal PE 10
3-4 Explanation of control loop terminals 10
User Manual
P9- Protection Parameters 24
Pb- Communication parameters 26
PC- Enhanced Parameters 26
6-2 Detailed Explanation of Functional Parameters- 27
PA- Fault History 25
P1- Keypad Parameters 30
P2- Start and Stop Parameters 32
P8- Simple PLC and multispeed options 23
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 parameters 49
P9- Protection Parameters 52
P0- Basic Parameters 27
9.5 Read-write rules of parameter address for function code 67
PA- Fault History 55
Pb- Communication Parameters 55
10. Appendix 68
10.2 Product Dimensions 70
8.4. Product Warranty 62
9.3. Frame Structure 64
8.1. General maintenance and upkeep 61
8.2. Inspection and replacing damaged parts 61
7.2. Common Faults and processing schemes 60
9.4 Command code and data description 65
8.3. Storage 62
8. Maintenance 61
9.1. Protocol Content 63
7.1 Malfunction and solutions 59
10.1 Specifications 68
PC- Enhanced parameters 56
7. Fault Handling And Troubleshooting 59
9. External Communication 63
9.2. Protocol Instructions 63
Contents
5
1. Safety Precautions
• In any case, AC power lines SHOULD NOT be connected to the output terminals viz. U, V or W.
ŸPlease check for any damage caused during the transportation.
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.
• Ground wire must be connected correctly.
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.
1.2 Safety guidelines
• Only qualified professional engineers are allowed to assemble, wire, commission, or maintain the
converter.
ŸPower must be shut off completely before performing any kind of wiring on the control or power
terminals.
• Do not touch the internal components for your own and the product’s safety.
• Do 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.
• No permission is granted to change or modify the internal components or circuits.
1.1 Warning
• The 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.
1.3 Delivery and Installation
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 you have received the right converter accessories as per your order.
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.
User Manual
6
2. Installation
ŸThe ambient temperature should be -10°C ~ +50°C. Sufficient ventilation should be available.
• Spare space must be ensured for the ventilation of the drive to allow it to maintain its temperature
during operation.
• Ventilation 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.
• It should be mounted by screws vertically; upside-down, slant or horizontal mountings are not allowed.
2.1 Installation environment
• It should be installed on a fire and heatproof frame, for example, a metal frame, to prevent risks of a fire
hazard.
ŸThere shouldn’t be any metal particulates in the surrounding air
ŸThe surroundings must be free from dust, caustic/corrosive/inflammable gases/liquids
ŸSolid base without vibrations.
2.2 Installation instructions and space limit
• To 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.
50mm 50mm
≥100mm
≥100mm
UP
Right
CONVERTER
User Manual
CONVERTER
CONVERTER
7
3.WIRING
PE earth terminal must be connected with the ground.
For 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.
Power must be shut off before wiring.
The 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.
The reliability of the terminals and wires must be evaluated before wiring, and screws for the
terminals of the major loop must be fastened solidly.
To avoid electric shock, do not touch the terminals of the major loop.
User Manual
3-1 Connection methods for assorted devices
Configuration
L U
N
V
W
M
Single - Phase
Power Source
Chopper AC reactor Electromagnetic
contactor Filter 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 interfere-
nce generated
by converter
It’s used to reduce the
radio interference genera-
ted by converter. But it’s
not applicable if the leads
is too short
Descriptions
3-2 Standard Wiring Diagram
8
User Manual
Single phase supply source 230V ± 15%
Main Circuit
Control Circuit
GND
For NPN
Forward Jog
External Fault I/P
For PNP(Default)
L L
N N
Forward Rotation
Reverse Rotation
Grounding of Power
Measurments
Motor Grounding
Default Settings
AI2
AI1
GND
Input 0-20mA
Potentiometer
QE
NC
COM
NO
3
5
7
485+
485-
Output of relay
Default setting:
Fault output
1
Potentiometer Input
Multi-functional AI
Input 0-10V
9
3-3 Description of Terminals
Terminal symbol (code) Functional descriptions
Terminals for Single-phase AC input 220V
Output terminals, connect with three-phase AC electromotor
Terminal of ground (Earth terminal)
L,N
U, V, W
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 (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
3-3-4 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
10
User Manual
3-4 Explanations of control loop terminals
AI1 AI2 GND +V X1 X2 X3 X4 GND NC COM NO
Items Symbol Terminal Name Description/ Default Setting
1 AI1 Analog Input Terminal Terminal for Analog Input (0-20 mA)
signal
2 AI2 Analog Input Terminal Terminal for Analog Input (0-10 V) /
POT (0-24 V) signal
5GND Control Terminals Ground Ground for control terminals
6X1 Multifunction Input Terminal 1 Default Setting: FWD
7X2 Multifunction Input Terminal 2 Default Setting: REV
8 X3 Multifunction Input Terminal 3 Default Setting: FWD JOG
9X4 Multifunction Input Terminal 4 Default Setting: Ext Fault
10
11
GND Control Terminals Ground Ground for control terminals
12
13
+V 24V supply +24VDC / 50mA
14 NO Multifunction Relay Output NO terminal
Default setting: Fault Output
COM Multifunction Relay Output COM terminal
NC Multifunction Relay Output NC terminal
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1
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1
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