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