Delta VFD-L Series User manual

2008-08-1
3
5011609903-LES4
VFD-L Series Instruction Sheet
1Preface
Thank you for choosing DELTA’s VFD-L series AC Drive. The VFD-L series is
manufactured using high-quality components, material and incorporating the
latest microprocessor technology available.
This manual will help in the installation, parameter setting, troubleshooting,
and daily maintenance of the AC motor drive. To guarantee safe operation of
the equipment, read the following safety guidelines before connecting power
to the AC motor drive. Keep this operating manual handy and distribute to all
users for reference.
Important Notes:
¾AC input power must be disconnected before any maintenance. Do
not connect or disconnect wires while power is applied to the
circuit. Only qualified technicians should perform maintenance on
the VFD-L.
¾A charge may still remain in the DC-link capacitor with hazardous
voltages even after the power has been turned off. To avoid personal
injury, do not remove the cover of the AC drive until all “DISPLAY
LED” lights on the digital keypad are off. Please note that there
are live components exposed when the AC drive is open,. Be careful
to not touch these live parts.
¾The AC drive may be destroyed beyond repair if power is
misapplied to the input/output terminals. Never connect the AC
drive output terminals U/T1, V/T2, W/T3 directly to the AC main
circuit power supply.
¾There are highly sensitive MOS components on the printed circuit
boards. These components are especially sensitive to static
electricity. To avoid damaging these components, do not touch the
circuit boards with metal objects or your bare hands.
¾Ground the VFD-L using the ground terminal. The grounding
method must comply with the laws of the country where the AC
drive is to be installed.
2 Receiving and Inspection
This VFD-L AC drive has gone through rigorous quality control tests at the
factory before shipment. Since many things may happen during shipping,
please check for the following after receiving the AC motor drive.
◎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.
Nameplate Information: Example of 1HP230V
MODEL :VFD007L21A
INPUT :1PH/9.7A3PH/5.1A200-240V 50-60Hz
OUTPUT :3PH 0-2 40V 4. 2A 1.6kVA 1 HP
Freq. Range:1.0~400Hz
DELTA ELECTRONICS, INC. MADE IN XXXXX
007L21A0T610001
AC Drive Model
Input Spec.
Output Spec.
Output Freq. Range
Bar Code
Serial NO.
Model Explanation
VFD 007 L 21 A
version
A: standard
B: with EMI Filter
VFD-L series
Input voltage
002:0.2kW
004:0.4kW
Applicable motor capacity
Variable Frequency Drive
007:0.75kW
015:1.5kW
D: PNP Mode
E: PNP Mode with EMI Filter
Serial Number Explanation
007L21A0 T 6 10 00
1
230V 1-PHASE 1HP(0.75kW)
Production number
Production week
Production year 2006
Production factory
T: Taoyuan W: Wujiang
Model
If there is any nameplate information not corresponding to your purchase
order or any problem, please contact your distributor.
Dimension
RARC+10VAVIM0M1M2M3GND
STOP
RUN
FWD
REV
RUN
STOP
PROG
DATA
MODE
RESET
Donot connect AC power to output
WARNING
Readthe user manual before operation.
Donot inspect componentsuntil LEDs
are turned off for at least 1min.
terminals (U,V,W).
MIN. MAX.
VFD-L
RS-485
=
,
230V IPHASE
0.75KW
3Wiring
Basic Wiring Diagram
Users must connect wiring according to the circuit diagram shown below.
Please follow all National and State wiring codes, when wiring the VFD-L.
U/T1
V/T2
W/T3
IM
3~
RS-485
61 ←
120VAC/28VDC 3A
+10V 10mA(MAX)
RJ-11 1:+EV
2:GND
3:SG-
4:SG+
R/L1
S/L2
T/L3
MCCB
Factory default settings
Power supply for Potentiometer
0 10VDC
VR 3K 5K
～
：～Ω
Master Freq. setting
Analog voltage
Analog current
Motor
Multi-function indication
output contacts
Factory default:
Fault Indication
Main circuit (power)
terminals
Control circuit terminals
Shielded leads
*If the AC Drive model is VFD002L11A/B, VFD004L11A/B, VFD002L21B, VFD004L21B
or VFD007L21B, please use power terminals R/L1 and S/L2.
*If the AC Drive model is VFD002L21A, VFD004L21A or VFD007L21A, 1-phase/3 phase
power may be used on R/L1, S/L2, T/L3. When VFD002L21A/VFD004L21A or
VFD007L21A use 1-phase power, please select any two of the three input t erminals
R/L1, S/ L2, T /L3 .
*If the AC Drive model is VFD015L23A, single phase power is not allowed.
NOTE: Do not plug in a Modem or telephone line to the RS-485 communication port,
permanent damage may result. Terminals 1 & 2 are the power source for the
optional copy keypad and should not be used while using RS-485
communication.
Main C irc ui t Pow er
Communication
port
AVI
GND
3
2
1
VR
+10V
R/L1
S/L2
T/L3
RA
RC
Common Signal
M0
M1
M2
GND
M3
Forward/Stop
Reverse/Stop
Reset
Multi-step 1
Figure 1 for models of VFD-L series
V
FD002L11A, VFD002L11B, VFD002L21A, VFD002L21B, VFD004L11A,
V
FD004L11B, VFD004L21A, VFD004L21B, VFD007L21A, VFD007L21B, VFD015L23A
U/T1
V/T2
W/T3
IM
3~
RS-485
61
←
010VDC
VR 3K 5K
～
：～Ω
AVI
GND
3
2
1
V
R
RJ-11 1:+EV
2:GND
3:SG-
4:SG+
R/L1
S/L2
T/L3
MCCB
M0
M1
M2
GND
M3
Factory default settings
Forward/Stop
Reverse/Stop
Reset
Multi-step 1
+15V 30mA(MAX)
Power supply
Master Freq. setting
Analog voltage
Analog current
Motor
Multi-function indication
output contacts
120VAC/28VDC 3A
Factory default:
Fault Indication
Main circuit (power)
terminals
Control circuit terminals
Shielded leads
Main C irc ui t P ow er
Communication
po rt
+15V
R/L1
S/L2
T/L3
3
2
1VR
+15V
+15V 30mA(MAX)
Power supply
*If the AC Drive model is VFD004L21E, VFD007L21E, please use power terminals
R/L1 and S/L2.
*If the AC Drive model is VFD004L21D, VFD007L21D, 1-phase/3 phase power may be
used on R/L1, S/L2, T/L3. When VFD004L21D/VFD007L21D use 1-phase power, please
select any two of the three input terminals R/L1, S/L2, T/L3.
NOTE: Do not plug in a Modem or telephone line to the RS-485 communication port,
permanent damage may result. Terminals 1 & 2 are the power source for the
optional copy keypad and should not be used while using RS-485
co mmun ic a ti on.
VR: 3K 5K
～Ω
RA
RC
Figure 2 for models of VFD-L series
V
FD004L21D, VFD004L21E, VFD007L21D, VFD007L21E
Wiring for NPN mode and PNP mode
Factory
setting
NPN Mode for mo dels:
VFD002L11A, VFD002L11B, VFD002L21A,
VFD002L21B, VFD004L11A, VFD004L11B,
VFD004L21A, VFD004L21B, VFD007L21A,
VFD007L21B, VFD015L23A
+10V
M0
M1
M2
M3
GND
*Don't apply the mains voltage directly
to above terminals.
FWD/STOP
REV/STOP
RESET
Multi -step 1
Digital Signal Common
E
*Don't apply the mains voltage directly
to above terminals.
FWD/STOP
REV/STOP
RESET
Multi-step 1
Factory
setting
PNP Mode f or models:
VFD004L21D, VFD004L21E, VFD007L21D, VFD007L21E
+15V
M0
M1
M2
M3
GND
E
Main circuit wiring
Single phase models input fr om R/L1, S/L2
UP/DOWN
Function
Display key
Data
Confirmation key
RUN/STOP
RS485
communication
port
Grounding
Motor connections U/T1, V/T2, W/T3
Motor capacity
and input power
Frequency
setting
LED display
The signal selection
for AV I t o i nput
DC0~+10V
or 4~20 mA
groundingAC line input terminals
U/T1 V/T2 W/T3
R/L1 S/L2 T/L3
Control circuit wiring
RA RC +10V AV I M0 M1 M2 M3 GND
(120VAC
/
DC28V 3A)
Relay
Wire Gauge:22-24AWG, Torque: 4Kgf-cm
Multi-function indication output contact
Power for speed setting
Analog Voltage, current frequency command
Multi-function assistant terminal
Common si gnal Multi-function input selection 1 Multi-function input selection 2 Multi-function input selection 3
Figure 3 for models: VFD002L11A, VFD002L11B, VFD002L21A, VFD002L21B, VFD004L11A,
VFD004L11B, VFD004 L21A, VFD004 L21B, VFD007L21A, VFD007L21B, VFD015L23A
RA RC +15V AV I M0 M1 M2 M3 GND
(120VAC
/
DC28V 3A)
Relay
Wire Gauge:22-24AWG, Torque: 4Kgf-cm
Multi-function indication output contact
Power for speed setting
Analog Voltage, current frequency command
Multi-function assistant terminal
Common signal Multi-function input selection1 Multi-function input selection2 Multi-function input selection3
VR
Figure 4 for models: VFD004L21D, VFD004L21E, VFD007L21D, VFD007L21E
Wiring Notes: PLEASE READ PRIOR TO INSTALLATION.
¾Do not connect the AC input to any of the U/T1, V/T2, W/T3
terminals, as it will damage the AC drive..
¾Ensure all screws are tightened to the proper torque rating.
1. During installation, follow all national and local electrical, construction,
and safety codes for the country the drive is to be installed in.
2. Ensure the appropriate protective devices (circuit breaker or fuses) are
connected between the power supply and AC drive.
3. Make sure that the leads are connected correctly and the AC drive is
properly grounded. (Ground resistance should not exceed 0.1Ω.)
4. Use ground leads that comply with AWG/MCM standards and keep
them as short as possible.
5. Multiple VFD-L units can be installed in one location. All the units should
be grounded directly to a common ground terminal. The VFD-L ground
terminals may also be connected in parallel, as shown in the figure
below. Ensure there are no ground loops.
Forward
running
6. When the AC drive output terminals U/T1, V/T2, and W/T3 are
connected to the motor terminals U, V, and W, respectively, the motor
will rotate counterclockwise (as viewed from the shaft ends of the motor)
when a forward operation command is received. To reverse the
direction of motor rotation, switch over any of the two motor leads.
7. Make sure that the power is capable of supplying the correct voltage
and required current to the AC drive.
8. Do not attach or remove wiring when power is applied to the AC drive.
9. Do not monitor the signals on the circuit board while the AC drive is in
operation.
10. Route the power and control wires separately, or orthogonal to each
other.
11. If a filter is required for reducing EMI (Electro-Magnetic Interference),
install it as close as possible to AC drive. EMI can also be reduced by
lowering the Carrier Frequency.
12. If the AC drive is installed in the place where a load reactor is needed,
install the filter close to U/T1, V/T2, W/T3 side of AC drive. Do not use a
Capacitor or L-C Filter (Inductance-Capacitance) or R-C Filter
(Resistance-Capacitance).
13. When using a general GFCI (Ground Fault Circuit Interrupter), select a
current sensor with sensitivity of 200mA or above, and not less than
0.1-second operation time to avoid nuisance tripping. For the specific
GFCI of the AC motor drive, please select a current sensor with
sensitivity of 30mA or above.
4 Summary of Parameters
Group 0: User Parameters aThe parameter may be set during operation.
Pr. Functions Settings Factory
Setting
0-00 Identity code of drive
(Read only)
d1: 40W
d2: 100W
d3: 200W
d4: 400W
d5: 750W
d6: 1.5KW
0-01 Rated current display
(Read only)
40W: d0.4A
100W: d0.8A
200W: d1.6A
400W: d2.5A
750W: d4.2A
1.5K: d7.0A
0-02 Parameter reset d10: Reset Parameters to Factory Setting d0
a0-03 Start-up display of AC
drive
d0: F (Frequency command)
d1: H (output frequency)
d2: U (user-defined unit)
d3: A (output current)
d0
a0-04 User-defined Unit d0: Display User-Defined Unit (u)
d1: Display Counter Value (C)
d2: Display Process Operation (1=tt)
(Display the current speed’s step and the
rest time for this step speed)
d3: Display DC-BUS voltage (U)
d4: Display output voltage (E)
d0
a0-05 User-defined
coefficient K d0.1 ~ d160 d1.0
0-06 Software version Read only #.#
0-07 Password input d0 ~ d999 d0
0-08 Password
configuration d0 ~ d999 d0
Group 1: Basic Parameters
Pr. Functions Settings Factory
Setting
1-00 Maximum operation Freq. d50.0 ~ d400Hz d60.0
1-01 Maximum setting Freq. d10.0 ~ d400Hz d60.0
1-02 Maximum output voltage d2.0 ~ d255V d220
1-03 Mid-point freq. d1.0 ~ d400Hz d1.0
1-04 Mid-point voltage d2.0 ~ d255V d12.0
1-05 Minimum output freq. d1.0 ~ d60.0Hz d1.0
1-06 Minimum output voltage d2.0 ~ d255V d12.0
1-07 Upper bound of freq. d1 ~ d110% d100
1-08 Lower bound of freq. d0 ~ d100% d0.0
a1-09 Accel time 1 (Tacc1) d0.1 ~ d600 Sec d10.0
a1-10 Decel time 1 (Tdec1) d0.1 ~ d600 Sec d10.0
a1-11 Accel time 2 d0.1 ~ d600 Sec d10.0
a1-12 Decel time 2 d0.1 ~ d600 Sec d10.0
a1-13 JOG Accel time d0.1 ~ d600 Sec d10.0
a1-14 JOG Decel time d0.0 ~ d600 Sec d10.0
a1-15 JOG frequency d1.0Hz~d400Hz d6.0
1-16 Auto-accel/decel d0: Linear Accel/Decel
d1: Auto accel, linear decel
d2: Linear accel, auto decel,
d3: Auto Accel/Decel
d4: Linear accel. Auto decel, stall
prevention during
deceleration
d5: Auto accel. Auto decel, stall
prevention during
deceleration
d0
1-17 S-curve setting in
acceleration d0 ~ d7 d0
1-18 S-curve setting in
deceleration d0 ~ d7 d0
Group 2: Operation Method Parameters
Pr. Functions Settings Factory
Setting
2-00 Source of frequency
command
d0: Digital keypad
d1: 0 ~ 10V from AVI
d2: 4 ~ 20mA from AVI
d3: Controlled by V.R on drive
d4: RS-485 communication interface
d0
2-01 Source of operation
command
d0: By digital keypad
d1: By external terminals, keypad STOP
enable
d2: By external terminals, keypad
d3 : By RS-485 communication interface, keypad
STOP enable
d4 : By RS-485 communication interface, keypad
STOP disable
d0
2-02 Stop method d0: Ramp stop d1: Coast stop d0
2-03 Carrier freq. d3 ~d10K Hz d10

Pr. Functions Settings Factory
Setting
2-04 Reverse operation
inhibit
d0: Enable reverse
d1: Disable reverse
d2: Disable forward
d0
2-05 ACI (4 ~ 20mA)
input loss detection
d0: Decel to 0Hz
d1: Stop immediately, display EF
d2: Run with the last freq.
d0
2-06 Line Start Lockout d0: Enable d1: Disable d0
Group 3: Output Function Parameters
Pr. Functions Settings Factory
Setting
3-00 Desired freq. attained d1.0 ~ d400 Hz d1.0
3-01 Terminal count value d0 ~ d999 d0
3-02 Preliminary count
value
d0 ~ d999 d0
3-03 Multi-function (relay
output)
d0: not used
d1: AC drive operational
d2: Max. Output Freq. Attained
d3: Zero Speed
d4: Over Torque
d5: Base-Block (B.B.)
d6: Low Voltage Detection
d7: AC Drive Operation Mode
d8: Fault Indication
d9: Desired Freq. Attained
d10: PLC Program Running
d11: PLC Program Step Complete
d12: PLC Program Complete
d13: PLC Program Operation Pause
d14: Terminal Count Value Attained
d15: Preliminary Count Value Attained
d16: Ready State Indicator
d8
Group 4: Input Function Parameters
Pr. Functions Settings Factory
setting
a4-00 Potentiometer bias
freq. d0.0~d350Hz d0.0
a4-01 Potentiometer bias
polarity
d0: positive bias
d1: negative bias d0
a4-02 Potentiometer freq.
gain d1~d200％d100
4-03
Potentiometer
reverse motion
enable
d0: not used
d1: reverse motion enable
d2: forward motion only
d0
4-04
Multi-function input
terminal1 (M1)
(d 0~d 20)
d1
4-05 Multi-function input
terminal 2(M2) d6
4-06
Multi-function input
terminal 3(M3)
(d 0, d 4~d 20)
d0: not used
d1: M0: FWD/STOP, M1: REV/STOP
d2: M0: RUN/STOP, M1: FWD/REV
d3: M0, M1, M2: 3-wire operation control
mode
d4: External fault, normally open (N.O.)
d5: External fault, normally closed (N.C.)
d6: RESET
d7: multi-step speed command 1
d8: multi-step speed command 2
d9: jog operation
d10: accel/decel speed inhibit
d11: first or second accel/decel time
selection
d12: base-block (B.B.),normally open (N.O.)
d13: base-block (B.B.),normally closed (N.C)
d14: increase master freq.
d15: decrease master freq.
d16: run PLC program
d17: pause PLC
d18: counter trigger signal
d19: counter reset
d20: select ACI/deselect AVI
d7
Group 5: Multi-step Speed and PLC Parameters
Pr. Functions Settings Factory
Setting
5-00 1st step speed freq. d0.0 ~ d400Hz d0.0
5-01 2nd step speed freq. d0.0 ~ d400Hz d0.0
5-02 3rd step speed freq. d0.0 ~ d400Hz d0.0
5-03 PLC mode d0: Disable PLC operation
d1: Execute one program cycle
d2: Continuously execute program cycles
d3: Execute one program cycle step by step
(separate by STOP)
d4: Continuously execute one program cycle
step by step (separate by STOP)
d0
5-04 PLC forward/reverse
motion
d0 ~ d15 (d0: Forward, d1: Reverse) d0
5-05 Time duration step 0 d0 ~ d65500 Sec d0
5-06 Time duration step 1 d0 ~ d65500 Sec d0
5-07 Time duration step 2 d0 ~ d65500 Sec d0
5-08 Time duration step 3 d0 ~ d65500 Sec d0
Group 6: Protection Parameters
Pr. Functions Settings Factory
Setting
6-00 Over-Voltage
Prevention Level
d0:disable
d350~d410V d390
Pr. Functions Settings Factory
Setting
6-01 Over-current
Prevention Level
d0: disable
d20~d200%
d170
6-02 Over-torque detection d0:disable
d1:enabled during constant speed operation
and continues until the continuous limit is
reached.
d2:enabled during constant speed operation
and halted after detection.
d3:enabled during accel and continues
before continuous output time limit is
reached.
d4:enabled during accel and halted after
over-torque detection.
d0
6-03 Over-torque detection
level d30 ~ d200% d150
6-04 Over-torque detection
time d0.1 ~ d10.0 Sec d0.1
6-05 Electronic thermal
overload relay
d0: Not used
d1: Act with standard motor
d2: Act with special motor
d0
6-06 Electronic thermal
characteristic d30~d600 Sec d60
6-07 Present fault record
6-08 Second most recent
fault record
6-09 Third most recent fault
record
6-10 Forth most recent fault
record
6-11 Fifth most recent fault
record
6-12 Sixth most recent fault
record
d0: No fault occurred
d1: oc (over current)
d2: ov (over voltage)
d3: oH (over heat)
d4: oL (over load)
d5: oL1 (electronic thermal)
d6: EF (external fault)
d7: Reserved
d8: Reserved
d9: ocA (current exceed during acceleration)
d10: ocd (current exceed during
deceleration)
d11: ocn (current exceed during steady state)
d0
Group 7: Motor Parameters
Pr. Functions Settings Factory
Setting
a7-00 Motor rated current d30~d120 % d85
a7-01 Motor no-load current d0 ~ d90 % d50
a7-02 Torque compensation d0 ~ d10 d1
a7-03 Slip compensation d0.0 ~ d10.0 d0.0
Group 8: Special Parameters
Pr. Functions Settings Factory
Setting
8-00 DC braking voltage level d0 ~ d30% d0
8-01 DC braking time during
start-up d0.0 ~ d60.0 Sec d0.0
8-02 DC braking time during
stopping d0.0 ~ d60.0 Sec d0.0
8-03 Start-point for DC braking d0.0 ~ d400.0 Sec d0.0
8-04 Momentary power loss d0: Stop operation after momentary
power loss.
d1: Continues after momentary power
loss, speed search starts with
master freq.
d2: Continues after momentary power
loss, speed search starts with min.
output freq.
d0
8-05 Max. allowable power loss
time d0.3 ~ d5.0 Sec d2.0
8-06 B.B. time for speed search d0.3~d5.0 Sec d0.5
8-07 Max. speed search current
level d30~d200% d150
8-08 Skip freq. 1 upper bound d0.0~d400 Hz d0.0
8-09 Skip freq. 1 lower bound d0.0~d400 Hz d0.0
8-10 Skip freq. 2 upper bound d0.0~d400 Hz d0.0
8-11 Skip freq. 2 lower bound d0.0~d400 Hz d0.0
8-12 Skip freq. 3 upper bound d0.0~d400 Hz d0.0
8-13 Skip freq. 3 lower bound d0.0~d400 Hz d0.0
8-14 Auto restart after fault d0~d10 d0
8-15 AVR function d0: AVR function enable
d1: AVR function disable
d2: AVR function disable when decel
d2
8-16 Dynamic braking voltage d350 ~ d450V d380
8-17 DC braking lower bound
limit d0.0 ~ d400 Hz d0.0
Group 9: Communication Parameters
Pr. Functions Settings Factory
Setting
a9-00 Communication address d1 ~ d247 d1
a9-01 Transmission speed d0: Baud rate 4800
d1: Baud rate 9600
d2: Baud rate 19200
d1
a9-02 Transmission fault
treatment
d0: Warn and continue running
d1: Warn and ramp to stop
d2: Warn and coasting stop
d3: No warn and keep running
d0
a9-03 Modbus communication
watchdog timer
d0: Disable
d1~d20: 1 ~ 20 Sec
d0
Pr. Functions Settings Factory
Setting
a9-04 Communication protocol ASCII mode
d0: 7,N,2
d1: 7,E,1
d2: 7,O,1
d3: 8,N,2
d4: 8,E,1
d5: 8,O,1
RTU mode
d6: 8,N,2
d7: 8,E,1
d8: 8,O,1
d0
5 Troubleshooting and Fault Information
The VFD-L AC drive has a comprehensive fault diagnostic system that
includes several different alarms and fault messages. Once a fault is detected,
the corresponding protective functions will be activated. The following faults
are displayed on the AC drive digital keypad. The six most recent faults can be
read on the digital keypad display by viewing Pr.6-07 to Pr.6-12.
NOTE: faults can be cleared by pressing the Reset key on the keypad or Input
Terminal.
Common Problems and Solutions
Fault
Name Fault Descriptions Corrective Actions
The AC drive detects an
abnormal increase in
current.
1. Check whether the motors horsepower
corresponds to the AC drive output power.
2. Check the wiring connections between the AC
drive and motor for possible short circuits.
3. Increase the Acceleration time (Pr.1-09,
Pr.1-11).
4. Check for possible excessive loading
conditions at the motor.
5. If there are any abnormal conditions when
operating the AC drive after the short-circuit is
removed, the drive should be sent back to
manufacturer.
The AC drive detects
that the DC bus voltage
has exceeded its
maximum allowable
value.
1. Check whether the input voltage falls within
the rated AC drive input voltage.
2. Check for possible voltage transients.
3. Bus over-voltage may also be caused by
motor regeneration. Increase the decel time.
The AC drive
temperature sensor
detects excessive heat.
1. Ensure that the ambient temperature falls
within the specified temperature range.
2. Make sure that the ventilation holes are not
obstructed.
3. Remove any foreign objects on the heat sink
and check for possible dirty heat-sink fins.
4. Provide enough spacing for adequate
ventilation.
The AC drive detects
that the DC bus voltage
has fallen below its
minimum value.
Check whether the input voltage falls within the
rated AC drive’s input voltage.
Internal electronic
overload trip
1. Check for possible motor overload.
2. Check electronic thermal overload setting.
3. Increase motor capacity.
4. Reduce the current level so that the drive
output current does not exceed the value set
by the Motor Rated Current Pr.7-00.
The external terminal
EF-GND goes from OFF
to ON.
When external terminal EF-GND is closed, the
output will be turned off. (under N.O.E.F.)
Motor overload. Check
the parameter settings
( Pr.6-03 to Pr.6-05)
1. Reduce the motor load.
2. Adjust the over-torque detection setting to an
appropriate setting.
Over-current during
acceleration:
1. Short-circuit at motor
output.
2. Torque boost too high.
3. Acceleration time too
short.
4. AC drive output
capacity is too small.
1. Check for possible poor insulation at the
output line.
2. Decrease the torque boost setting in Pr.7-02.
3. Increase the acceleration time.
4. Replace with the AC drive with one that has a
higher output capacity (next HP size).
Over-current during
deceleration:
1. Short-circuit at motor
output.
2. Deceleration time too
short.
3. AC drive output
capacity is too small.
1. Check for possible poor insulation at the
output line.
2. Increase the deceleration time.
3. Replace with the AC drive with one that has a
higher output capacity (next HP size).
External Base Block.
AC drive output is
turned off.
1.When the external input terminal (B.B) is
active, the AC drive output will be turned off.
2.Disable this connection and the AC drive will
begin to work again.
Over-current during
steady state operation:
1. Short-circuit at motor
output.
2. Sudden increase in
motor loading.
3. AC drive output
capacity is too small.
1. Check for possible poor insulation at the
output line.
2. Check for possible motor stall.
3. Replace with the AC drive with one that has a
higher output capacity (next HP size).
Fault
Name Fault Descriptions Corrective Actions
Internal memory IC can
not be programmed.
1. Switch off power supply.
2. Check whether the input voltage falls within
the rated AC drive input voltage.
3. Switch the AC drive back on.
Internal memory IC can
not be read.
1. Check the connections between the main
control board and the power board.
2. Reset drive to factory defaults.
Drive’s internal circuitry
abnormal.
1. Switch off power supply.
2. Check whether the input voltage falls within
the rated AC drive input voltage. Switch on
the AC drive.
Auto accel/decel failure Don’t use the function of auto acceleration/
deceleration.
Hardware protection
failure Return to the factory.
Software protection
failure Return to the factory.
Communication Error
1. Check the connection between the AC drive
and computer for loose wires.
2. Check if the communication protocol is
properly set.
The AC drive detects
excessive drive output
current.
1. Check whether the motor is overloaded.
2. Reduce torque compensation setting as set in
Pr.7-02.
3. Increase the AC drive’s output capacity.
Note: The AC drive can withstand up to 150% of
the rated current for a maximum of 60 seconds.
6 Standard Specifications
Voltage Class 115V 230V
Model Number
VFD-XXXLXXA/B 002 004 002 004 007 015
Applicable Motor Output (kW) 0.2 0.4 0.2 0.4 0.7 1.5
Rated Output Capacity
(KVA) 0.6 1.0 0.6 1.0 1.6 2.7
Rated Output Current (A) 1.6 2.5 1.6 2.5 4.2 7.0
Max. Output Voltage (V)
3-phase
corresponds
to double
input voltage
Three-phase corresponds to input
voltage
Output Rating
Rated Frequency (Hz) 1.0~400Hz
Rated Input Current (A) 6 9 4.9/1.9 6.5/2.7 9.7/5.1 Ì/9
Input voltage Tolerance
Single phase
90~132V
50/60Hz
Single / 3-phase
180~264V 50/60Hz
3-phase
180~264V
50/60Hz
Power
Frequency tolerance ±5%
Control system SVPWM (Sinusoidal Pulse Width Modulation, carried
frequency 3kHz~10kHz)
Output Frequency
Resolution 0.1Hz
Torque Characteristics Including the auto-torque, auto-slip compensation,
starting torque can be 150% at 5 Hz
Overload Endurance 150% of rated current for 1 minute
Accel/Decel Time 0.1~600Sec. (can be set individually)
V/F pattern V/F pattern adjustable
Control Characteristics
Stall Prevention Level 20~200%, setting of Rated Current
Keypad Setting by ▲▼ keys or V.R
Frequency
Setting External
Signal
Potentiometer-5KΩ/0.5W, DC 0 ~ +10V (input
impedance 47KΩ), 4~20mA (output impedance
250Ω), multi-function inputs1 to 3 (3steps, JOG,
UP/DOWN command), communication setting
Operation
Setting Keypad Setting by RUN//STOP keys
Signal External
Signal
M0,M1,M2,M3 can be combined to offer various
modes of operation, RS-485 communication port
Multi-function Input Signal
Multi-step selection 0 to 3, Jog, accel/decel inhibit,
first/second accel/decel switch, counter, PLC
Operation, external Base Block (NC,NO) selection
Operating Characteristics
Multi-function Output Signal
AC Drive Operating, Frequency Attained, Non-zero
speed, Base Block, Fault Indication, Local/Remote
indication, PLC Operation indication.
Other Function
AVR, S-curve, Over-Voltage Stall Prevention, DC
Braking, Fault Records, Adjustable Carried
Frequency, Starting Frequency Setting of DC
Braking , Over-Current Stall Prevention, Momentary
Power Loss restart, Reverse Inhibition, Frequency
Limits, Parameter Lock/Reset
Protection
Over Voltage, Over Current, Under Voltage,
Overload, Electronic thermal, Overheating,
Self-testing
Other Including EMI Filter
Cooling Forced air-cooling
Installation Location Altitude 1,000 m or below, keep from corrosive
gasses, liquid and dust
Ambient Temperature -10℃-40℃(Non-Condensing and not frozen)
Storage Temperature -20℃to 60℃
Ambient Humidity Below 90%RH (non-condensing)
Environment
Vibration 9.80665m/s2(1G) less than 20Hz, 5.88m/s2 (0.6G) at
20 to 50Hz