Yolico YD3000N Series User manual

MULTI-FUNCTION ALL-DIGITAL TYPE
YD3000N
630
YD3000-T4 N
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Thank you for choosing Electric Co., Ltd. produced by the yolico Yd5000 series of high-
performance vector control inverter.
In order to give full play to the function of the drive to ensure the safety of users, please read
the operating instructions, and submitted to end-users of this specification, properly preserved.
If you have any questions, please even if the agent or the Company to contact officers of our
business, we will be happy to serve you.
Shown in the figure of this manual is to illustrate the example, may get the product will be
different.
Since product improvement, there will be appropriate changes.
This book shows the power of interpretation and change rests with the Wuxi City yolico
Electric Company Limited.
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Safety Information
The following conventions are used to indicate precautions in this manual. Failure to heed precautions
providedin this manual can result in serious or possibly even fatal injury or damage to the products or
to related equipment and systems.
WARNING
CAUTION
Indicates precautions that, if not heeded, could possibly result in loss of life orserious
injury.
Indicates precautions that, if not heeded, could result in relatively serious or minor
injury, damage to the product, or faulty operation.
The ISO symbol is used in this manual.
Both of these symbols appearonwarning labelsonYaskawa products. Please abideby these warning labels
regardless of which symbol is used.
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Safety PrecautionsSafety Precautions
Confirmations upon DeliveryConfirmations upon Delivery
InstallationInstallation
CAUTIONCAUTION
CAUTIONCAUTION
Never install an Inverter that is damaged or missing components.
Doing so can result in injury.
Always hold the case when carrying the Inverter.
If the Inverter is held by the front cover, the main body of the Inve rtermayfall, possibly resulting
in injury.
Attach the Inverter to a metal or other noncombustible material.
Fire can result if the Inverter is attached to a combustible material.
Install a cooling fan or other cooling device when installing more than one Inverter in
the same enclosure so that the temperature of the air entering the Inverters is below
45_C.
Overheating can result in fires or other accidents.
WiringWiring
WARNING
Always turn OFF the input power supply before wiring terminals.
Otherwise, an electric shock or fire can occur.
Wiring must be performed by an authorized person qualified in electrical work.
Otherwise, an electric shock or fire can occur.
Be sure to ground the ground terminal.
( 400 V class: Ground to 10 Ω or less)
Otherwise, an electric shock or fire can occur.
Always check the operation of any emergency stop circuits after they are wired.
Otherwise, there is the possibility of injury. (Wiring is the responsibility of the user.)
Never touch the output terminals directly with your hands or allow the output lines to
come into contact with the Inverter case. Never short the output circuits.
Otherwise, electrical shock or grounding can occur.
CAUTIONCAUTION
Check to be sure that the voltage of the main AC power supply satisfies the rated
voltage of the Inverter.
Injury or fire can occur if the voltage is not correct.
Do not perform voltage withstand tests on the Inverter.
Otherwise, semiconductor elements and other devices can be damaged.
Connect braking resistors, Braking Resistor Units, and Braking Units as shown in the
I/O wiring examples.
Otherwise, a fire can occur.
Tighten all terminal screws to the specified tightening torque.
Otherwise, a fire may occur.
Do not connect AC power to output terminals U, V, and W.
The interior parts of the Inverter will be damaged if voltage is applied to the output terminals.
Do not connect phase-advancing capacitors or LC/RC noise filters to the output circuits.
The Inverter can be damaged or internal parts burnt if these devices are connected.
Do not connect electromagnetic switches or contactors to the output circuits.
If a load is connected while the Inverter is operating, surge current will cause the overcurrent
protection circuit inside the Inverter to operate.
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Setting User ConstantsSetting User Constants
CAUTIONCAUTION
Disconnect the load (machine, device) from the motor before autotuning.
The motor may turn, possibly resulting in injury or damage to equipment. Also, motor
constants cannot be correctly set with the motor attached to a load.
Trial OperationTrial Operation
WARNINGWARNING
Check to be sure that the front cover is attached before turningONthe power supply.
Do not remove the front cover during operation.
An electric shock may occur.
Donot come close to the machine when the fault reset function is used. If the alarmed
is cleared, the machine may start moving suddenly.
Also, design the machine so that human safety is ensured even when it is restarted.
Injury may occur.
Provide a separate emergency stop switch; the Digital Operator STOP Key is valid
only when its function is set.
Injury may occur.
Reset alarms only after confirming that theRUNsignal isOFF. If an alarm is reset with
the RUN signal turned ON, the machine may suddenly start.
Injury may occur.
CAUTIONCAUTION
Don’t touch the radiation fins (heat sink), braking resistor, or Braking Resistor Unit.
These can become very hot.
Otherwise, a burn injury may occur.
Be sure that the motor and machine is within the applicable ranges before starting
operation.
Otherwise, an injury may occur.
Provide a separate holding brake if necessary.
Otherwise, an injury may occur.
Don’t check signals while the Inverter is running.
Otherwise, the equipment may be damaged.
Be careful when changing Inverter settings. The Inverter is factory set to suitable settings.
Otherwise, the equipment may be damaged.You must, however, you must set the power supply
voltage jumper for 400 V class Inverters of 18.5 kW or higher (see 5.2.4).
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Maintenance and InspectionMaintenance and Inspection
WARNINGWARNING
Do not touch the Inverter terminals. Some of the terminals carry high voltages and
are extremely dangerous.
Doing so can result in electric shock.
Always have the protective cover in place when power is being supplied to the Inverter.
When attaching the cover, always turn OFF power to the Inverter through the
MCCB.
Doing so can result in electric shock.
After turningOFFthe main circuit power supply, wait until theCHARGEindicator light
goes out before performance maintenance or inspections.
The capacitor will remain charged and is dangerous.
Maintenance, inspection, and replacement of parts must be performed only by authorized
personnel.
Remove all metal objects, such as watches and rings, before starting work. Always
use grounded tools.
Failure to heed these warning can result in electric shock.
WARNINGWARNING
ACMOSIC is used in the control board. Handle the control board andCMOSIC carefully.
The CMOS IC can be destroyed by static electricity if touched directly.
The CMOS IC can be destroyed by static electricity if touched directly.
Do not change the wiring, or remove connectors or the Digital Operator, during operation.
Doing so can result in personal injury.
Other
WARNINGWARNING
Do not attempt to modify or alter the Inverter.
Doing so can result in electrical shock or injury.
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Table of ContentsTable of Contents
1 Introduction1 Introduction
2 Handling Inverters2 Handling Inverters
3 Wiring3 Wiring
1.1 Outline and Functions
Nameplate
Exterior and Mounting Dimensions
Checking and Controlling the Installation Site
Devices
Connection Diagram
Terminal Block Configuration
Wiring Main Circuit Terminals
Wiring Check
4 Setting User Constants4 Setting User Constants
Using the Digital Operator
Modes
Trial Operation Procedures
5 Trial Operation
5 Trial Operation
A: Environmental Setting model parametersA: Environmental Setting model parameters
B: Program mode parametersB: Program mode parameters
Operation mode selection
DC braking
Speed Search
Timing function
4
PID control
Pause
Drop function
Energy Saving Control
Zero servo
8
C: self-study parametersC: self-study parameters
Deceleration time
S features
Slip compensation
Torque compensation
Speed control
Carrier frequency
Adjustment disorder prevention function
Speed feedback detection
D: the parameters of a relationship instruction
D: the parameters of a relationship instruction
Frequency command
Upper frequency limit, lower limit
Jump frequency
Order to maintain the frequency
Torque control
8
8
8
84
4
4
4
4
44
4
4
4
4
44
4
4
4
4
4
4
4
4
4
8
4
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E: Motor ParametersE: Motor Parameters
V/f Pattern: E1
Motor Setup: E2
Motor 2 Control Method: E3
Motor 2 V/f Pattern: E4
Motor 2 Setup: E5
Options Constants: F
Options Constants: F
PG Option Setup: F1
Other Options Setup: F2 through F9
Terminal Constants:
Terminal Constants:
Multi-function Inputs
Multi-function Outputs
Analog Inputs
Analog Outputs
5MEMOBUS Communications
:Protection Constants
:Protection Constants
Motor Overload
Power Loss Ridethrough
Stall Prevention
Reference Detection
Fault Restart
Torque Detection
Torque Limit
Hardware Protection
:Operator Constants
:Operator Constants
Monitor Select
Multi-function Selections
Protective and Diagnostic Functions
Fault Detection
7 Maintenance and Inspection
7 Maintenance and Inspection
Maintenance and Inspection
8 Specifications
8 Specifications
Standard Inverter Specifications
Specifications of Options and Peripheral Devices
Inverter Application Precautions
9 Appendix
9 Appendix
Motor Application Precautions
Peripheral Device Application Precautions
Wiring Examples
Function Block Diagram
List configuration parameters
Installation dimensions
Notes
4
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8
8
8
8
8
8
8
8
6 Troubleshooting6 Troubleshooting
YD3000N
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1 Introduction1 Introduction
1.1 Outline and Functions1.1 Outline and Functions
YD3000 Inverters are available in 400 V class models. These are listed in the following
Voltage
Class
Voltage
Class Click the PowerClick the P ower Input powerInput power
ModelModel
Model
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1.1.1 YD3000T4N Inverter Model
Table YD3000N Inverter Model
YD31P5-T4N
YD32P2-T4N
YD33P7-T4N
YD35P5-T4N
YD37P5-T4N
YD3011-T4N
YD3015-T4N
YD3018-T4N
YD3022-T4N
YD3030-T4(B)N
YD3037-T4(B)N
YD3045-T4(B)N
YD3055-T4(B)N
YD3075-T4(B)N
YD3093-T4(B)N
YD3110-T4(B)N
YD3132-T4(B)N
YD3160-T4(B)N
YD3185-T4(B)N
YD3200-T4(B)N
YD3220-T4(B)N
YD3250-T4(B)N
YD3280-T4(B)N
YD3315-T4(B)N
YD3400-T4(B)N
YD3450-T4(B)N
YD3500-T4(B)N
YD3560-T4(B)N
YD3630-T4(B)N
YD3355-T4(B)N
75
93
110
132
160
185
200
220
250
280
315
355
400
450
500
560
630
130
150
170
210
230
260
300
340
380
430
460
490
519
585
650
720
780
YD3000N
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The YD3000N uses four control methods.
Open-loop vector control (factory setting)
Flux vector control
V/f control without PG
V/f control with PG feedback
PG stands for pulse generator (encoder).
Vector control is a method for removing interference with magnetic flux and torque, and controlling
torque according to references.
Current vector control independently controls magnetic flux current and torque current by simultan-
eously controlling the motor primary current and phases. This ensures smooth rotation, high torque,
and accurate speed/torque control at low speeds.
Vector control can be replaced by the conventional V/f control system. If the motor constants required
forvector control are not known, the motor constants can be automatically set with autotuning.
The control methods are effective for the following applications:
Open-loop vector control: General variable-speed drive.
Flux vector control: Simple servodrive, high-precision speed control/torque control.
V/f control without PG: Conventional Inverter control mode. Used for multi-drive operation
(connecting multiple motors to one Inverter).
V/f control with PG feedback: Simple speed feedback control. (For applications with the PG
connected to the machine shaft rather than the motor shaft.)
The control characteristics for each mode are shown in Table 1.2.
Table 1.2 Control Method CharacteristicsTable 1.2 Control Method Characteristics
Vector ControlVector Control V/f ControlV/f Control
Open-loop Flux Vector Without PG With PG feedback
Speed Control
Range
Speed Control
Precision
Initial Drive 150% at 1 Hz 150% at 0 r/min 150% at 3 Hz
1.1.3 Functions1.1.3 Functions
1.1.2 Outline of Control Methods1.1.2 Outline of Control Methods
AutotuningAutotuning
Autotuning is effective for vector control. It solves problems in applicable motor restrictions an
Difficultconstant settings. The motor constants are automatically set by entering a value from
the motor’s rating nameplate.
Autotuning allows flux vector control to operate accurately with virtually any normalACinduction
motor,regardless of the supplier.
Always autotune the motor separa tely before operating using vec tor control. Refer to 5.2.5 Autotuning
and6.4.3 Autotuning for details.
Torque ControlTor qu e Control
Torque control is effective for flux vector control with PG. Torque is controlled by taking multi-function
analog input signals as torque references. Torque control accuracy is ±5%. Switching is possible between
torque control and speed control.
V/f Pattern SettingsV/f Pattern Settings
V/f pattern settings are effective for V/f control. Select a V/f pattern according to the application from
among the 15 preset V/f patterns. Custom V/f patterns can also be set.
Frequency ReferencesFrequency References
The following five types of frequency references can be used to control the output frequency of the Inverter.
Numeric input from the Digital Operator
Voltage input within a range from 0 to 10 V
Voltage input within a range from 0 to ±10 V (with negative voltages, rotation is in the opposite
direction from the run command.)
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Current input within a range from 4 to 20 mA
Input from Option Card
Any of the above frequency references can be used by setting a constant.
Amaximum of nine frequency references can be registered with the Inverter.With remote multi-
step speed reference inputs, the Inverter can operate in multi-step speed operation with a maximum
of nine speed steps.
PID ControlPID Control
The I nverter has a PID control function for easy follow-up control. Follow-up control is a control method
in which the Inverter varies the output frequency to match the feedback value from the sensor for a set
target value.
Follow-up control can be applied to a variety of control operations, such as those listed below, depending
on the contents detected by the sensor.
Speed Control: With a speed sensor, such as a tacho-generator, the Inverter regulates the rotat
ingspeed of the motor regardless of the load of the motor or synchronizes the
rotating speed of the motor with that of another motor.
Pressure Control: With a pressure sensor, the Inverter performs constant pressure control.
Flow-rate Control: By sensing the flow rate of a fluid, the Inverter performs precise flow-rate
control.
Temperature Control: With a temperature sensor, the Inverter performs tempe rature control by fan
speed.
Zero-servo ControlZero-servo Control
Zero-servo control is ef fective with flux vector control. Even at a motor speed of zero (r/min), a torque
of 150% of the motor’s rated torque can be generated and the average servomotor holding power (stopping
power) can be obtained.
Speed Control By FeedbackSpeed Control By Feedback
Speed control using feedback is effective with a PG. An optional PG Speed Control Card be used to enable
feedback control for speeds, thereby improving speed control accuracy.
Dwell FunctionDwell Function
By holding the output frequency for a constant time during acceleration and deceleration, acceleration and
deceleration can be performed without stepping out even when driving a motor with a large startup load.
Low NoiseLow Noise
The output transistor of the Inverter is an IGBT (insulated gate bipolar transistor). Using sine-wave
PWM with a high-frequency carrier, the motor does not generate metallic noise.
Monitor FunctionMonitor Function
The following items can be monitored with the Digital Operator: Frequency reference, output frequency,
output current, motor speed, output voltage reference, main-circuit DC voltage, output power, torque
reference,status of input terminals, status of output terminals, operating status, total operating time,
softwarenumber, speed deviation value, PID feedback value, fault status, fault history, etc.
All types of data can be monitored even with multi-function analog output.
Multilingual Digital Operator (SPEC:F)Multilingual Digital Operator (SPEC:F)
The Digital Operator can display in seven languages (Japanese, English, German, French, Italian,
Spanish,and Portuguese). The Digital Operator’s liquid crystal display provides a 16-character x
2-line display area.
Easy-to-read displays in each language allow the advanced functions of the Inverter to be set in
interactiveoperations to input constants, monitoring items, etc. Change the constant setting to
select the display language.
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User Constant Structure and Three Access LevelsUser Constant Structure and Three Access Levels
The YD3000N has a number of user constants for setting various functions. These user constants are
classified into a hierarchy to make them easier to use.
The levels are as follows from top to bottom: Modes, Groups, Functions, and Constants. The access
levelsfor the user constants are shown in Table 1.3.
Table 1.3 Access Levels for User Constants
LevelLevel ContentsContents
Mode Classified according to operation
Operation: For operating the Inverter. (All kinds of monitoring are possible.)
Initialize: For selecting the language displayed at the Digital Operator, setting
access levels, initialization, and the control modes.
Programming: For setting user constants for operation.
Autotuning: For automatic calculation or setting motor constants. (Only under
the vector control mode.)
Modified constants: For referencing or changing user constants after shipping.
Groups Classified by application.
Functions Classified by function. (See user constants.)
Constants Individual user constant settings.
The YD3000N allows the following three access levels to be set in order to further simplify setting
user constants. (An access level is a range of user constants that can be referenced or set.)
Quick-Start Reads/sets user constants required for trial operation. [Factory setting]
Basic Reads/sets user constants that are commonly used.
Advanced Reads/sets all the user constants that can be used.
In general, press the DATA/ENTER Key to move from an upper to a lower level. This varies
somewha t ,however, according to the access level, as shown in Fig. 1.1. For the Quick-Start
access level, which has few user constants that can be set, pressing the DATA/ENTER Key
jumps directly to the user constant level;whereas for the Advanced access level, which has
many user constants, pressing the DATA / ENT ERKey first leads to the Group level.
MENU Operation mode
Initialize mode
Programming mode DATA
ENTER
[Advanced]
Displays group level.
[Basic]
Displays function level.
Quick-Start]
Displays constant level.
Application b1 Sequence b1-01 Reference source
b1-02 Run source
b1-03 Stopping method
Constant to be changed
Tuning C1 Accel/Decel C1-01 Accel Time 1
Reference C2 S-curve Acc/Dec C1-02 Decel Time 1
[Mode] [Groups] [Functions] [Constants]
Fig 1.1 Access Level Structure
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2Handling InvertersHandling Inverters
2.1 Example NameplateExample Nameplate
Standard domestic Inverter: 3-phase, 400 VAC, 185kW, IEC IP20 and NEMA 1 standards
Model number
2.3 Installation Site2.3 Installation Site
cover over the Inverter during installation to shield it from metal power produced by drilling.
Always remove the cover from the Inverter after completing installation. Otherwise,
ventilation will bereduced, causing the Inverter to overheat.
To enhance the reliability of operation, the Inverter should be installed in an environment
free from extremetemperature increases. If the Inverter is installed in an enclosed environment,
such as a box, use acooling fan or air conditioner to maintain the internal air temperature
below 45°C.
Protection covers are attached to the top and bottom of the Inverter.Be sure to remove the
protection covers before installing a 200 or 400 V Class Inverter with an output of 15 kW
or less in a panel.D Install the Inverter in a clean location free from oil mist and dust. It can
be installed in a totally enclosed panel that is completely shielded from floating dust.
When installing or operating the Inverter, always take special care so that metal powder,
oil, water, orother foreign matter does not get into the Inverter.
Do not install the Inverter on combustible material, such as wood.
Install the Inverter in a location free from radioactive materials and combustible materials.
Install the Inverter in a location free from harmful gasses and liquids.
Install the Inverter in a location without excessive oscillation.
Install the Inverter in a location free from chlorides.
Install the Inverter in a location not in direct sunlight.
Install the Inverter under the following conditions.
Type Ambient Operating Temperature
Enclosed wallmounted −10 to 40_C
Open chassis −10 to 45_C
Inverter Design Number Power level Voltage rating: 400V
2.2Model Description2.2Model Description
Inside the switchboard
Inside the switchboard
Inside the switchboard
Inside the switchboard
Correct Incorrect Correct
Incorrect
Ventilator Ventilator
150mm above Air
Front
Side view
Enclosed wallmounted −10 to 40_C
Open chassis −10 to 45_C
150mm above Air
30mm above30mm above
The maximum
temperature of 45C or
more external
Input specifications
Output specifications
Lot number
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YD3000N
INVERTER WUXI YOLICO ELECTRIC CO.,LTD.
MOTOR RATING
SER. NO.
No.9,LianH e Road,HuDai Industr ial
Pa r k,BinHu Bor ough,Wu xi,China
INPUT
VOVOLLTTAGAGEE
VOLTAGE
CURRENT
OUTPUT
MODEL :
:
:
:
:
:
:
:
LOT. NO. :
AC 3 phase 50/60Hz
YD3185 T4 BN
250HP/185kW
AC 3 phases 0-400Hz
340A
0-460V
380V-460V (+10%,-15%)
YD 3 185 T4 B N
BN:with break unit
N:No break unit
22KW and Below all with Break uint
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WiringWiring
3
3.1 Connection Diagram3.1 Connection Diagram
The connection diagram of the YD5000 is shown in Figure 3.2.
When using the Di gital Operator, the motor can be operated by wiring only the main circuits.
DC reactor to improve input
power factor (optional)
Short-circuit bar
Braking Resistor Unit (Optional)
3-phase power
400 VAC
50/60 Hz
Motor
Forward Run/Stop
Reverse Run/Stop
External fault
Fault reset
Multi-step speed setting 1
(Master/auxiliary switch)
Multi-step speed setting 2
Jog frequency reference
External baseblock command
Factory
preset
functions
Forward run command
(forward when closed)
Reverse run command
(reverse when closed)
Multi-function contact
inputs
Analog
monitor 2
(Ground to 100 Ω max.)
Multi-function analog output
−10 to 10 V
(Default: Output current
5 V/Inverter rated current)
+
-
Multi-function analog output
−10 to10 V
(Default: Output frequency
0 to 10 V/100% frequency)
Analog
monitor 1
Sequence common
(Insulated from 0 V
terminal)
Shield terminal
Frequency setting power
15 V, 20 mA
Fault contact output
250 VAC, 1 A max.
30 VDC, 1 A max.
Master speed reference
−10 to 10 V (20 k Ω)
P (Default: 0 to 10 V/100%)
Master speed reference
4 to 20 mA (250 Ω)
Multi-function analog input
(−10 to 10 V (20 k Ω)
Default: Auxiliary frequency
reference
0 to 10 V/100%)
Multi-function contact output
250 VAC, 1 A max.
30 VDC, 1 A max.
(Default: Running signal)
External
frequency
references
Frequency setting
power:
−15 V, 20 mA
Open collector 1
(Default: Zero speed
signal)
Open collector 2
(Default: Speed
agree signal)
Multi-function output
common
Multi-function
open-collector
output
48 V , 50 mA
max.
Fig 3.2 Connection Diagram (Model YD3 07P5T4N Shown Above)
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YD3000N
YD3000T4N
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IMPORTANTIMPORTANT
1. Control circuit terminals 1 to 33 are not arranged in order of terminal numbers; they are arranged
as shown below. Be sure to wire them correctly.
2. Do not use control circuit terminals 13 and 14 at the same time.
(The two signals will be added inside the Inverter if they are input at the same time.)
3. The maximum output current capacity of the +15 V/−15 V output from control circuit terminals 15
and 33 is 20 mA.
4. The multi-function analog output is a dedicated meter output for a frequency meter, ammeter, etc.
Do not use this output for feedback control or for any other control purpose.
Use one of the optional Analog Monitor Cards (AO-08 or AO-012) for analog outputs to the control
system.
5. Disable the stall prevention during deceleration (set constant L3-04 to 0) when using a Braking
Resistor Unit. If this user constant is not changed to disable stall prevention, the system may not
stop during deceleration.
6. Enable protection for the internal DB resistor (model ERF) (set constant L8-01 to 1) when using an
interna l braking resistor. The braking resistor will not be protected unless this setting is changed
to enable protection.
7. DC reactors to improve the input power factor can be connected as an option only to Inverters for
15 kW or less. Remove the short bar from between ¨1 and ¨2 when connecting a DC reactor.
8. There is no DC power supply input terminals for 20 0 V class Inverters of 30 to 75 kW and 400 V cl ass
Inverters of 55 to 160 kW, and DC power cannot be input to these Inverters.
3.2 Terminal Block Configuration3.2 Terminal Block Configuration
Is a registered trademark of yolico
YD3000N
YD30F4: T4 BN18
YD3022 T4 BN
Control circuit terminal
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YD3030
F4: T4 N
YD3030
F5: T4 BN
YD3045 T4 BN
YD3055 T4 BN
YD30
F6: T4 BN
75
YD3093T4 BN
YD3110T4 BN
YD31
F7: T4 BN
32
YD3160T4 BN
YD318
F8: T4 BN
5
YD3200 T4 BN
YD3220T4 BN
YD3250 T4 BN
YD328
F9: T4 BN
0
YD3315T4 BN
*R/S/T: Input Power *DCL: DC reactor (When not in use Short circuit chip connection)
*U/V/W: Output (motor) *BR: braking resistor,The other end of the connection"P"
Because of design changes ,There may be differences between the above terminal wiring and physical object
According to the real object
YD3000N
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3.3 Wiring the Main Circuits3.3 Wiring the Main Circuits
This section describes wiring connections for the main circuit inputs and outputs.
Wiring Main Circuit InputsWiring Main Circuit Inputs
Installing a Molded-case Circuit BreakerInstalling a Molded-case Circuit Breaker
Always connect the power input terminals (R, S, and T) and power supply via a molded-
case circuit breaker(MCCB) suitable for the Inverter.
Choose an MCCB with a capacity of 1.5 to 2 times the Inverter’s rated current.
For the MCCB’s time characteristics, be sure to consider the Inverter’s overload
protection (one minute at 150% of the rated output current).
If the same MCCB is to be used for more than one Inverter, or other devices, set up
a sequence so that the power supply will be turned OFF by a fault output, as shown in Figure 3.7.
50/60 Hz
400 V class: 3-phase,
380 to 460 VAC,
50/60 Hz
Fault output
(NC)
For 400 V class Inverters, connect a 400 V transformer.
Installing a Ground Fault Interrupter
Installing a Ground Fault Interrupter
Inverter outputs use high-speed switching, so high-frequency leakage current is generated. Therefore,
atthe Inverter primary side, use a ground fault interrupter that detects only the leakage current in
the frequencyrange that is hazardous to humans and excludes high-frequency leakage current.
For the special-purpose ground fault interrupter for Inverters, choose a ground fault interrupter
with
a sensitivity amperage of at least 30 mA per Inverter.
When using a general ground fault interrupter, choose a ground fault interrupter with a se nsitivity
amperage of 200 mA or more per Inverter and with an operating time of 0.1 s or more.
Installing a Magnetic ContactorInstalling a Magnetic Contactor
If the power supply for the main circuit is to be shut off during a sequence, a magnetic contactor can
beused instead of a molded-case circuit breaker.
When a magnetic contactor is installed on the primary side of the main circuit to forcibly stop the
Inverter,however, the regenerative braking does not work and the Inverter will coast to a stop.
The Inverter can be started and stopped by opening and closing the magnetic contactor on the
primary side. Frequently opening and closing the magnetic contactor, however, may cause the
Inverter to break down.
When the Inverter is operated with the Digital Operator, automatic operation cannot be performed
after recovery from a power interruption.
Connecting Input Power Supply to the Terminal BlockConnecting Input Power Supply to the Te rm i na l Block
Input power supply can be connected to any terminal R, S or T on the terminal block; the phase
sequence of input power supply is irrelevant to the phase sequence.
Installing an AC ReactorInstalling an AC Reactor
If the Inverter is connected to a large-capacity power transformer (600kWor more) or the phase
advancing capacitor is switched, an excessive peak current may flow through the input power
circuit, causing the con verterunit to break down.
To prevent this, install an optional AC Reactor on the input side of the Inverter or a DC reactor to
the Dcreactor connection terminals.
This also improves the power factor on the power supply side.
Installing a Surge AbsorberInstalling a Surge Absorber
Always use a surge absorber or diode for inductive loads near the Inverter. These inductive loads
include magnetic contactors, electromagnetic relays, solenoid valves, solenoids, and magnetic
brakes.
Installing a Noise Filter on Power Supply SideInstalling a Noise Filter on Power Supply Side
Install a noise filter to eliminate noise transmitted between the power line and the Inverter.
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YD3000N
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Wiring Example 1
Power
supply
Noise
filter
Other
controllers
Correct Power supply Noise Filter Installation
Use a special-purpose noise filter for In
verters.
Wiring Example 2
Power
supply
Other
controllers
General
purpose
noise filter
Power
supply
General
purpose
noise filter
Other
controllers
Incorrect Power supply Noise Filter Installation
Do not use general-purpose noise filte
rs. No generalpurpose noise filter can
effectively suppressnoise generated f
rom the Inverter.
Wiring on the Output Side of Main CircuitWiring on the Output Side of Main Circuit
Connecting the Inverter and MotorConnecting the Inverter and Motor
Connect output terminals U, V, and W to motor lead wires U, V, and W, respectively.
Check that the motor rotates forward with the forward run command. Switch over any two of the
outputterminals to each other and reconnect if the motor rotates in reverse with the forward run command.
Never Connect a Power Supply to Output TerminalsNever Connect a Power Supply to Output Terminals
Never connect a power supply to output terminalsU,V, andW. If voltage is applied to the output
terminals,the internal circuits of the Inverter will be damaged.
Never Short or Ground Output TerminalsNever Short or Ground Output Terminals
If the output terminals are touched with bare hands or the output wires come into contact with the
Invertercasing, an electric shock or grounding will occur. This is extremely hazardous. Do not short
the output wires.
Do Not Use a Phase Advancing Capacitor or Noise FilterDo Not Use a Phase Advancing Capacitor or Noise Filter
Never to connect a phase advancing capacitor or LC/RC noise filter to an output circuit. Doing so
may result in damage to the Inverter or cause other parts to burn.
Do Not Use an Electromagnetic Switch or Magnetic ContactorDo Not Use an Electromagnetic Switch or Magnetic Contactor
Do not connect an electromagnetic switch or magnetic contactor to an output circuit. If a load is
connectedto the Inverter during operation, a surge current will actuate the overcurrent protective
circuit in the Inverter.
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YD3000N
YD3000N
YD3000N
YD3000N
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Installing a Thermal Overload RelayInstalling a Thermal Overload Relay
This Inverter has an electronic thermal protection function to protect the motor from overheating.
If, however, more than one motor is operated with one Inverter or a multi-polar motor is used,
always instaltlh aermal relay (THR) between the Inverter and the motor and set L1-01 to 0 (no
motor protection).Set the thermal overload rel ay to the value on the motor nameplate when operating
at 50 Hz and to 1.1 times the value on the nameplate when operating at 60 Hz. The sequence should
be designed so that the contactsof the thermal overload relay turn OFF the magnetic contactor on
the main circuit inputs.
Installing a Noise Filter on Output Side
Installing a Noise Filter on Output Side
Connect a noise filter to the output side of the Inverter to reduce radio noise and inductive noise.
Power
supply
Noise
filter
Radio noise
AM radio
Signal
line
Induc
tive
noise
Controller
Installing a Noise Filter on the Output Side
Inductive Noise: Electromagnetic induction generates noise on the signal line, causing the controller
to malfunction.
Radio Noise: Electromagnetic waves from the Inverter and cables cause the broadcasting radio
receiver to make noise.
Countermeasures Against Inductive NoiseCountermeasures Against Inductive Noise
As described previously, a noise filter can be used to prevent inductive noise from being generated
on theoutput side. Alternatively, cables can be routed through a grounded metal pipe to prevent
inductive noise.Keeping the metal pipe at least 30 cm away from the signal line considerably
reduces inductive noise.
Power
supply
Metal pipe
30 cm min.
Signal
line Controller
Countermeasures Against Inductive Noise
Countermeasures Against Radio Interference
Countermeasures Against Radio Interference
Radio noise is generated from the Inverter as well as from the input and output lines. To reduce radio noise,
install noise filters on both input and output sides, and also install the Inverter in a totally enclosed steel
box.
Power
supply
Noise
filter
Steel box
Noise
filter
Metal pipe
Countermeasures Against Radio Interference
Is a registered trademark of yolico
YD3000N
YD3000N
YD3000N
YD3000N
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