Delta VFD-A Series User manual

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5011200503
200305-22
AE02
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TABLE OF CONTENTS
Chapter 1 Introduction
Getting Started .............................................................................................. 1
Receiving Storage and Transportation .......................................................... 2
Nameplate Information .................................................................................. 2
Identification of components and accessories ............................................... 3
Chapter 2 Installation and Wiring
Installation Requirements .............................................................................. 5
Main Circuit Wiring ........................................................................................ 6
Control Circuit Wiring..................................................................................... 9
Basic Wiring Diagram ...................................................................................10
Chapter 3 Digital Keypad Operation
Description of the Digital Keypad..................................................................11
Explanation of Displayed Messages .............................................................12
Chapter 4 Start Up .......................................................................................................16
Chapter 5 Parameter Settings.....................................................................................19
Chapter 6 Summary of Parameter Settings ...............................................................52
Chapter 7 Troubleshooting and Fault information ....................................................57
Appendix A Standard Specifications.............................................................................61
Appendix B Serial Communications..............................................................................64
Appendix C Dimensions .................................................................................................70
Appendix D Accessories List .........................................................................................77
Appendix E EMI Filters ...................................................................................................78
Appendix F EC Declaration of Conformity....................................................................79
Appendix G NFB (No-Fuse Breaker) Specification .......................................................81
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1
1
Introduction
Congratulations on your purchase of the DELTA VFD-A series AC motor drive. The VFD series is a
high-performance / low noise general-purpose AC motor drive, manufactured using high-quality
components and incorporating the latest micro-processor technology available.
The purpose of this chapter is to provide specific, yet simple information to unpack, install, and
operate the AC drive. This chapter contains information on the following:
 Getting Started
 Receiving, Transportation, and Storage
 Nameplate Information
 Identification of Components and Accessories
 Getting Started
This manual will help in the installation, parameter setting, troubleshooting, and maintenance of
the AC drive. To guarantee safe operation of the equipment, read the following safety guidelines
before connecting the drive to the AC power line. Keep this manual in a place where it is available
to all users for their reference.
Warning! To avoid personal injury, do not remove the cover of the AC motor drive until all of the
digital keypad “DISPLAY LED” lamps are off. The DC-link capacitor remains charged with a
hazardous voltage even after input power is removed.
Warning! Do not connect or disconnect wires and connectors while power is applied to the circuit.
All connections should be performed by qualified personnel.
Attention: Grounding the VFD-A drive is done by connecting the Earth Ground to the drive
ground terminal.
Attention: The final enclosure for operating the AC Motor Drive must comply with the
requirements of EN 50178. ( Live parts shall be arranged in enclosures or located behind barriers
that meet at least the requirements of the Protective Type IP20; Top surfaces of enclosures or
barriers that are easily accessible shall meet at least the requirements of the Protective Type IP40
)
Caution: There are highly sensitive components on the printed circuit boards. These components
are especially sensitive to ESD (electrostatic discharge). To avoid damage to the drive, do not
touch components or the circuit boards until all static control precautions have been taken.
Caution: Never connect the main circuit output terminals U, V, and W directly to the AC main
circuit power supply as this will damage the drive.
Caution: Do not apply the antirust to screws for fastening drives; Please clean the drives and
screws with dry cloth or alcohol, not with synthetic cleaner. Fasten the screws with washers and
rated torque lest the enclosure corners of drives be distorted.
This manual is for DELTA AC Motor Drive VFD-A and VFD-H Series. For the frequency in Pr.03,
Pr.04, Pr.06, Pr.16, Pr.17, Pr.18, Pr.19, Pr.20, Pr.21, Pr.22, Pr.23, Pr.36, Pr.37, Pr.47, Pr.67, Pr.68
and Pr.69, VFD-A Series can be regulated up to 400Hz and VFD-H Series up to 1500Hz.
!
!
!
!
!
!
!
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2
 Receiving, Storage and Transportation
The AC motor drive has gone through rigorous quality control tests at the factory before shipment.
After receiving the AC drive, check for the following.
Receiving
 Check to make sure that the package includes an AC drive, the User Manual, dust covers
and rubber bushings.
 Inspect the unit to insure it was not damaged during shipment.
 Make sure that the part number indicated on the nameplate corresponds with the part
number of your order.
Storage
The AC Drive should be kept in the shipping carton before installation. In order to retain the
warranty coverage, the AC drive should be stored properly when it is not to be used for an
extended period of time. Some storage suggestions are:
 Store in a clean, dry location.
 Store within an ambient temperature range of -20°C to +60°C.
 If possible, store in an air-conditioned environment where the relative humidity is less
than 95%, non-condensing.
 Do not store the AC drive in places where it could be exposed to corrosive gases.
 Do not store the AC drive on a shelf or on an unstable surface.
Transportation
Temperature: -25°C to +70°C; R.H.: 0% to 95%; Air Pressure: 70kPa to 106kPa.
 Nameplate Information
3HP, 440V AC Drive example
MODEL : VFD022A43A
INPUT : 3PH 380-480V 50/60Hz 7.2A
OUTPUT : 3PH 0-480V 5.5A 4.2KVA 3HP
Frequency Range : 0.1-400Hz
DELTA ELECTRONICS INC. MADE IN XXXXX
AC Drive Model
Input Spec.
Output Spec.
Output Frequency Range
Serial Number & Bar Code
022A43AT7010001
VFD 022 A 43 A
Version type
Input voltage
21 : Single phase 220V class
23 : Three phase 220V class
43 : Three phase 440V class
A Series
Applicable motor capacity
007 : 0.75 kW
015 : 1.5 kW
022 : 2.2 kW
037 : 3.7 kW
055 : 5.5 kW
075 : 7.5 kW
Series name
Description of AC Motor Drive Model
110 : 11.0 kW
150 : 15.0 kW
185 : 18.5 kW
220 : 22.0 kW
Description of Serial Number
022A43A T 8 01 0001
Factory control code
Production number
Production week
Production year
Model Name
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3
 Identification of components and accessories
1
2
3
4
5
6
7
8
9
Removing and Installing the Front Cover
Refer to the figure shown below to remove the front cover. To re-install the front cover,
simply reverse the indicated procedures.
♦0.75 - 1.5 KW (1-2HP) ♦2.2 - 3.7 KW (3-5HP)
The front cover snaps on. Pull as The front terminal block cover snaps
shown to remove the front cover. on. Pull as shown to release cover.
♦5.5 - 22.0 KW (7.5-30HP) ♦5.5 - 22.0 KW (7.5-30HP)
1. Mounting screw holes
2. Heat sink
3. Digital keypad
4. Ventilation hole and blind plate
installation position
5. Nameplate label
6. Terminal cover
7. Input / output rating
8. Cooling fan
9. External braking resistor (optional)
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4
Removing the Digital Keypad
The digital keypad can be easily removed from the AC motor drive unit as shown
below.
♦0.75 - 1.5 KW (1-2HP) ♦2.2 - 3.7 KW (3-5HP)
♦5.5 KW - 22.0 KW The 7.5 thru 30 HP units have screws holding the digital
keypads in place. To remove the keypad, first remove the screws and then lift the
keypad out of the AC drive.
♦5.5 – 7.5 KW (7.5-10HP) ♦11.0 – 22.0 KW (15-30HP)
♦Installing the Optional Remote Control Unit (RC-01)
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5
2
Installation and Wiring
Chapter 2 provides the information needed to properly install and wire the AC drive. Make sure that
the AC drive is wired according to the instructions contained in this chapter. The instructions should be
read and understood before the actual installation begins.
 Installation Requirements
 Wiring
 Basic Wiring Diagram
 Installation Requirements
Install the AC drive vertically to provide proper ventilation. Adequate space is required between
the drive and a wall or other equipment. The figure below shows the minimum space needed. All
enclosures must provide adequate ventilation and the internal ambient temperature must be kept
at 40
°
C or below.
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
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(120mm)
(120mm)
(50mm)
(50mm)
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AIR
OR MORE OR MORE
OR MORE
OR MORE
2 inches 2 inches
5 inches
5 inches
Caution: The AC drive should be installed in an environment that is:
 protected from rain or moisture;
 protected from direct sunlight;
 protected from corrosive gases or liquids;
 free from airborne dust or metallic particles;
 free from vibration;
 free from magnetic noise
 temperature: -10°C to +40°C; R.H.: 0% to 90%; air pressure: 86kPa to 106 kPa
Violating the conditions listed above may void the warranty!
!
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6
 Wiring
Main Circuit Wiring
(1) Power terminal block designations
Power input and output may be connected via a nine or ten position terminal block. The
pin assignments are as follows:
Model Power terminal pin assignments
VFD007A21A
VFD007A23A
VFD015A21A
VFD015A23A
VFD007A43A
VFD015A43B
AWG: 22-16
Torque: 10kgf-cm
RST UVWB1
B2
AC Input Line
Terminals Motor
Connection
Braking
Resistor
Earth
Ground
VFD022A21A
VFD022A23A
VFD037A23A
VFD022A43A
VFD037A43A
AWG:18-10
Torque: 16kgf-cm
UVW RSTB1
B2
AC Input Line
Terminals
Motor
Connection
Braking
Resistor
Earth
Ground
VFD055A23B
VFD075A23B
VFD055A43B
VFD075A43B
AWG: 14-8
Torque: 20kgf-cm
RST U W N P/B1 B2V
AC Input Line
Terminals
Motor
Connection
Braking
Resistor
Earth
Ground
VFD110A23A
VFD150A23A
VFD185A23A
VFD220A23A
VFD110A43A
VFD150A43A
VFD185A43A
VFD220A43A
AWG:10-2
Torque: 52kgf-cm
R/L1 S/L2 T/L3 +1 N(-) U/T1 V/T2 W/T3
+2
AC Input Line
Terminals
Braking
Unit
Motor
Connection
Earth
Ground
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7
For VFD-A Series 15-30HP (VFD110A23A/43A, VFD150A23A/43A, VFD185A23A/43A,
VFD220A23A/43A), the ring terminals below are suggested to be used when proceeding
with main circuit wiring:
Vendor AWG Vendor Part NO.
Moles 2 (Red) G-975-14
4 (Yellow) F-966-14
6 (Blue) E-957-14
8 (Red) D-950-14
AMP : ECBT 2 320383
4 33469
(2) Power block terminal designations
Terminals Description
R, S, T AC input line terminals
U, V, W Motor connection
P/B1, B2 Connection for the regenerative resistor (option)
P/B1, N Connection for the braking unit
Ground (connect appropriate ground wire to avoid electrical shock
and noise interference)
(3) Terminal dimensions
VFD007A21A⋅VFD007A23A VFD022A21A⋅VFD022A23A VFD055A23B⋅VFD075A23B
Model VFD015A21A⋅VFD015A23A VFD037A23A VFD055A43B⋅VFD075A43B
VFD007A43A⋅VFD015A43B VFD022A43A⋅VFD037A43A
Terminal Terminal
diameter
Terminal
width
Terminal
diameter
Terminal
width
Terminal
diameter
Terminal
width
Spec. M3 7 mm M3.5 8 mm M4 10 mm
VFD110A23A⋅VFD110A43A
Model VFD150A23A⋅VFD150A43A
VFD185A23A⋅VFD185A43A
VFD220A23A⋅VFD220A43A
Terminal Terminal
diameter
Terminal
width
Spec. M6 18.5mm
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8
(4) Attention:
 The user must provide a circuit breaker or disconnect switch and fuses in accordance
with all applicable electrical codes.
 Make sure that the leads are connected correctly and the AC drive is properly
grounded. (Ground leads should be at least the same size wire as the input leads R, S,
and T.)
 Use ground leads that comply with AWG standards. Make the length of these ground
leads as short as possible.
 Should several AC drive units be installed side by side, all the units should be
grounded directly to the ground poles. Do not form a loop with the ground leads.
 Make sure that the power source supplies the correct voltage and is capable of
supplying the required current to the AC drive. Refer to specification for “Rated AC
Input Power.” Motor Voltage should match the line voltage.
 When power is applied to the AC drive, the DC bus charge indicator LED will be on.
 For single phase applications, the AC input line can be connected to any two of the
three input terminals R, S, T. A single phase VFD-A drive can be powered from three
phase as well as single phase.
Note: This drive is not intended for use with single-phase motors.
 When the AC drive output terminals U, V, and W are connected to the motor terminals
U, V, and W, respectively, the motor will rotate counter-clockwise (viewed from the
shaft of the motor as shown below) if a forward operation command is entered (FWD
lamp is ON).
Forward
running
 To reverse the direction of rotation, interchange any two connections of the three
motor leads.
 The control lines and power lines (R,S,T;U,V,W;P,N,B1,B2) should be separated and
avoid parallel wiring lest it should generate noise and cause mis-operation.
Caution: Do not attach or remove wiring or connectors when power is applied to the
AC drive. Do not monitor the signals at any point on the circuit board while the AC
drive is in operation.
Caution: Do not connect the AC input to any of the U, V, W terminals, as this will
damage the AC drive.
!
!
!
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9
Control Circuit Wiring
(1) Control terminal block designations
The control leads must be routed separately from the power supply and motor leads.
They must not be fed through the same cable conduit.
Terminal Symbol
220V/440V Class 1∼5HP (AWG: 28 – 14; Torque:4 kgf-cm)
RA ACI AVI
+10V
RB RC MO1 ACMAFM MCMMO2
MI1 RST
REVFWD
MI2 MI3 DCM
TRGEF SG-SG+DFM DCM
+EV
220V/440V Class 7.5∼30HP (AWG: 24 – 12; Torque:4 kgf-cm)
RA ACIAVI +10VRB RC MO1 ACM AFM
MCM XX
MO2
MI1 RST
REV FWD
MI2 MI3 DCMTRGEF S
G
SG+DFM
(2) Control terminal block descriptions
Close Contacts
between Terminals
Terminals Use Function
RA - RC Multi-function indication output
contact
Refer to Chapter 5, Pr.57
RB - RC Multi-function indication output
contact
MI1 - DCM Multi-function input 1
MI2 - DCM Multi-function input 2 Refer to Chapter 5, Pr.39, 40, 41
MI3 - DCM Multi-function input 3
REV - DCM Reverse / Stop “Open”→stop, “Close” → Reverse
FWD - DCM Forward / Stop “Open”→stop, “Close” → Forward
RST - DCM Reset “Close” → Reset
EF - DCM External fault “Close” → External fault
DFM - DCM Digital frequency meter Digital frequency output (0, +10 V)
TRG - DCM Counter trigger input “Open”→“Close”:(counter value)+1
MO1 - MCM Multi-function PHC output 1 Refer to Pr.45, 46
MO2 - MCM Multi-function PHC output 2 (open collector output)
+10V - ACM Power supply for speed setting +10 V (20 mA max. output current)
AVI - ACM Analog voltage input 0 ∼10 V (Max. output freq.) input
ACI - ACM Analog current input 4 ∼20 mA (Max. output freq.) input
AFM - ACM Analog frequency/current
meter
0 ∼10 V (Max. output freq.) output
SG+ - SG- Serial communication interface RS-485 serial port
+EV - DCM Auxiliary control power source DC 20V ~ 24V (50mA Max.)
Note: Use twisted-shielded or twisted-pair shielded-lead wires for the control signal. It is
recommended to run signal wiring in a separate steel conduit. The shield wire should only be
connected at the drive.
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10
 Basic Wiring Diagram
R
S
T
EF
MI1
MI2
MI3
REV
FWD
RST
TRG
Multi-function input 1
R
S
T
DCM
U
V
W
IM
Analog frequency/current meter
P/B1 B2N
Braking resistior(option)
Power source 3 phase
200-240V or
380-480V
50/60Hz
Motor
AFM
Grounding
VFD-A
RB
RA
RC
Multi-function indication
output contact
MO2
MO1
MCM
AC 250V 2A below
DC 30V 2A below
ACM
and fuse
+10V
AVI
ACI
ACM
Frequency setting
DFM
Digital signal common
Current input
3
2
1
0V

Multi-function input 2
Reset
External fault
Counter trigger input
Digital frequency meter
Multi-function input 3
REV/STOP(REV/STOP)
FWD/STOP(RUN/STOP)
Analog signal common
48V 50mA below
Multi-function PHC output 2
Multi-function PHC output 1
48V 50mA below
}
SG
SG
RS-485 Serial interface
PC
AC Motor Drive
Signal +
Signal -
1
1
1
2
2
3
4
5
9
8
8
6
Notes A:
Refer to Pr.39, 40, 41 on page 35.
Refer to Pr.38 on page 34.
Refer to Pr.45, 46 on page 38 and Pr.63, 64, 66 on pages 45 and 46.
Refer to Pr.43 on page 36.
Refer to Pr.00 on page 21, Pr.48, 49 on page 39.
Refer to Pr.42, 44 on pages 36 and 37.
1
2
3
4
5
6
Refer to Pr.57 on page 42.
7
indicates shielded leads and twisted-pair shielded leads.
Terminal symbols : shows main circuit; shows control circuit;
Notes B:
1.
2.
7
Refer to Pr.00, 01 on page 21 and Pr.77, 78 on page 50.
9
Refer to Pr.45, 46 on page 38.
8
+EV
DC 20V ~ 24V ( 50mA Max. )
0- +10V
1K - 5K
4 - 20ma
}
Use a disconnect
 Wiring diagram and programming for the RC-01 external control.
MI1
or
MI2
or
MI3
REV
FWD
RST
DCM
+10V
AVI
ACM
AFM
865416 15 14 13 11
Program Parameters
Pr. 00 =d0001 Pr. 01 = d0001 or d0002
Pr. 38 = d0001 Pr. 39, Pr. 40 or Pr. 41 =d0003
Note: Pr. 41
＞
Pr. 40
＞
Pr. 39
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11
3
Digital Keypad Operation
Chapter 3 describes the various controls and indicators found on the digital keypad of the VFD-A
AC drive. The information in this chapter should be read and understood before performing the
start-up procedures described in Chapter 4.
 Description of the Digital Keypad
 Explanation of Screen Display
 Digital Keypad Operating Modes & Programming steps
 Description of the Digital Keypad
Digital Keypad Parts and Functions
This digital keypad module includes two parts: display panel and a keypad. The display panel
allows the user to program the AC drive, as well as view the different operating parameters. The
keypad is the user interface to the AC motor drive. Refer to the following figure for a description of
the different parts.
RUN STOP JOG FWD REV
JOG
RUN STOP
FWD
REV RESET
PRGM
FUNC
DATA
Up and down keys
Forward / Reverse key
Jog key
Run key
LED display
LED indication
Program / Reset key
Starts inverter drive
operation.
Indicates frequency, motor current
and alarm contents.
Sets the parameter number or changes
the numerical data such as the
frequency reference.
Selects normal mode / program mode.
Displays the motor drive status, such
as output freq., selects the
parameters, FWD/REV or output
current
,
etc.
Function / Data key
Displays the motor drive status, such as frequency
reference, output frequency or output current under
the normal mode; or sets parameters under the
program mode.
Red lamp lights during RUN,
STOP, JOG, FWD, or
REV operation.
Selects FWD or REV operation.
While pressing this key, jog
speed is available.
Stop key
Stops AC Motor Drive operation.
RESET
PRGM
Program / Reset
Used to select the Normal mode of operation or to program the AC drive when either the
drive is running or has stopped. Switch to the PRGM mode to select a parameter or change
the setting of a parameter. If the AC drive has stopped due to a fault, press this button to
reset the drive.
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12
DATA
FUNC
Function / Data
Displays information on the AC drive status such as the reference frequency, output frequency, or
output current in the normal mode.
While the drive is in the Program Mode, press this key once to display the current parameters.
After changing the parameters, press this key again to store the new parameters.
REV
FWD
Forward / Reverse
Used to toggle between forward and reverse operation.
Pressing this key will cause the motor to ramp down to 0 Hz and then ramp up to the preset
speed in the opposite direction. By default, the digital keypad controls the AC drive
forward/reverse operation. To control the forward/reverse operation via the control terminal block,
change the Pr.01 parameter to “d0001” or “d0002”.
JOG
Jog
Used to start the AC drive, then run at the jog frequency as set by the parameter specified under
Pr.23 [Jog Frequency].
RUN
Run
Used to start the AC drive operation. This key has no effect when the drive is set to terminal run.
STOP
Stop
Used to stop the AC drive operation.
Up / Down
Press the “Up” or “Down” button to change parameter settings. These keys may also be used to
scroll through different operating values or parameters.
Note: Pressing the “Up” or “Down” button momentarily changes the parameter settings in
increments. Press and hold down either of these keys to rapidly run through the possible
settings.
 Explanation of Displayed Messages
Displayed Message Description
Displays the AC drive output frequency controlled by the Maximum Output Frequency
(Pr. 03), Jog Frequency (Pr. 16), or by the Multi-Function Input Terminals (Pr. 39-41).
If the frequency source originates from the Digital keypad, the user can use either the
or key to set the frequency.
Displays the output frequency present at terminals U, V, and W.
Displays the custom unit (v), where v = H x Pr.65.
Displays the internal counter value (C).
Note: Refer to Chapter 5, Pr.45, 46, 64 - 66 for a detailed description of the above.
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Displays the output current present at terminals U, V, and W
Displays the specified parameter number. The actual parameter
value may be displayed by pressing the
FUNC
DATA key.
Displays actual value stored within the specified parameter.
Press the
FUNC
DATA key to store the value of the specified parameter.
The display will read “end” (as shown) for approximately 1 second if
the input has been accepted. After a parameter value has been set,
the new value is automatically stored in memory. To modify an entry,
use or key.
 Explanation of the LED Indicators
REV
FWD
JOG
STOPRUN
Red lamp lights during REV operation.
Red lamp lights during FWD operation.
Red lamp lights during JOG.
Red lamp lights by pressing STOP.
Red lamp lights by pressing RUN.
RUN or STOP lamp indication is
defined by the following operation
FWD or REV lamp changes indication is
defined by the following operation
Inverter output frequency
Frequency command
RUN
LAMP
STOP
LAMP
LIGHT BLINK LIGHT OFF
key
STOP
FWD
LAMP
REV
LAMP
FWD
REV
RUN
OUTPUT
FREQ.
REV
FWD
LIGHT BLINK LIGHT OFF
key
STOP
key
RUN
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14
 Digital Keypad Operating Modes & Programming steps
Pressing the RUN key after power on will cause the AC drive to operate at 60 Hz, which is the
factory default setting. Use the STOP key to halt operation. Refer to the Basic Wiring Diagram in
Chapter 2 for information on the wiring connection.
To change the operating frequency, proceed as follows:
The operating frequency may be changed in either the “STOP” or “RUN” mode.
MODE
MODE
Decrease the frequency
Increase the frequency
Display changes every time key is pressed.
or
NOTES:
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15
Setting parameters:
To operate the AC drive under optimum conditions, some parameter values may be modified
as required. During the “Run” mode, the following set of parameters may be modified: 10-14,
16-23, 44, 48-50, 52-55, 65. It is also possible to check all the parameter settings during
operation.
FUNC
DATA
FUNC
DATA
Output frequency
monitor
RESET
PRGM
FUNC
DATA
RESET
PRGM
RESET
PRGM
Press PRGM key
Press FUNC key Press FUNC key
Press up / down key to set
the parameter data.
FUNC
DATA
Press DATA key to
store the data.
FUNC
DATA
Press DATA key to display
parameter data.
RESET
PRGM
Press PRGM key, return to
the normal operation mode.
Output current
monitor
RESET
PRGM
Press up / down key to set
the parameter setting number.
Indication after
power on.
Frequency command
Press PRGM key
Press PRGM key
Press PRGM key, return to
the normal operation mode.
(Data entered will not be stored.)
Press FUNC key
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16
4
Start-up
This chapter describes the steps needed to start the AC drive and typical adjustment
and verification procedures to ensure a simple and efficient start-up. The following
start-up procedures describe the most common parameter settings and system
configurations.
 Initial Operation - Motor Disconnected
 Verify that the AC power line, at the disconnect device, is within the rated power
of the AC drive.
 Disconnect and lockout all incoming power to the drive.
 Connect the AC drive to the power line.
 Reconnect the incoming power to the drive.
 Proceed as follows to select a mode of operation.
1. Operating frequency determined by the digital keypad,
Digital keypad enabled to control AC drive operation.
(Pr.00 = d0000, Pr.01 = d0000) (Factory default setting)
IM
2. Operating frequency determined by the digital keypad,
Control terminals enabled to control AC drive operation; ”Stop” key on digital
keypad is enabled.
Two wire “REV/STOP” and “FWD/STOP” remote control enabled.
(Pr.00 = d0000, Pr.01 = d0001, Pr.38 = d0000)
REV/STOP
FWD/STOP
IM
FWD
REV
DCM
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