Thank you for choosing D ELTA’s VFD - L seri es AC Dr ive. The VFD-L series is manufact ur ed using
high-quality compon en ts, m ater ial and incorporating the latest microprocessor technol og y available.
This manual will help in the installation, parameter setti ng, troublesho oting, and daily maint enance o f
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:
DANGER!
T
disconnect wires whi le power i s applied t o the ci rcuit. Only qualified t echnicians sh ould per form
maintenance on the VFD-L.
CAUTION!
T
components are espec ially sensit ive to static el ectricity . To avoid damag ing these com ponents,
do not touch the circuit boards with metal objects or your bare hands.
DANGER!
T
after the power has been turne d off. To avoid person al injury, d o not remov e the cover o f the AC
drive until all “DISPLAY LED” lig hts on the digital key pad are off. Please note that there ar e live
components exposed when the AC drive is open,. Be careful to not touch these live parts.
CAUTION!
T
comply with the laws of the country where the AC drive is to be installed.
DANGER!
T
input/output terminals. Never connect the AC drive output terminals U/T1, V/T2, W/T3 directly
to the AC main circuit power supply.
AC input power must be disco nnected be fore any m aintenanc e. Do not c onnect or
There are highly sensitive MOS components on the printed circuit boards. These
A charge may still remain in the DC-link capacitor with hazardous voltages even
Ground the VFD-L using the ground terminal. The grounding method must
The AC drive may be destroyed beyond repair if power is misapplied to the
2
Chapter 1 Receiving and Inspection
MODE:VFD007L21A
INPUT:1PH/9.7A 3PH/5.1A 200-240V 50-60Hz
OU T PU T :3 P H 0-240 V 4.2A 1.6kVA 1HP
Freq. Rang e:1.0~40 0Hz
DELTA ELECTRONICS, INC. MADE IN XXX XX
007L21AT101001
AC Drive Model
Input Spec.
Output Spec.
Output Freq. Range
Bar C ode
Serial NO.
VFD 007 L 21 A
version
A standard
B including EMI
Filter
VFD-L series
Inp ut vo ltag e
002:0.2kW
004:0.4kW
007:0.75kW
015:1.5kW
A p plic a ble mo t o r c apacit y
Varia ble Frequency Drive
Production number
Production week
Production year 2003
Production factory
(T: Taoyuan, W: W ujuang)
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.
è
Inspect the unit to insure it was not damaged during shipment.
è
Make sure that the part number indicated on the nameplate corresponds with the part number of
your order.
Nameplate Information: Example of 1HP230V
Model Explanation:
Series Number Explanation:
If there is any nameplate information not corresponding to your purchase order or any problem,
please contact your distributor.
3
Dimension
RA
RC+10V
AVIM0M1M2M3
GND
STO P
RUN
FWD
REV
MODE
RESET
Do not connect AC power to output
WARNING
Read the user man ual before operation.
Do not inspect comp onents until LEDs
are turned off for at least 1min.
terminals (U,V,W).
MIN.
MAX.
VFD-L
RS-485
230V IPHASE
0.75KW
RUN
STO P
PRO G
DATA
8
+
4
Chapter 2 Wiring
RS-485
61
RARC120VAC/28VDC 3A
010VDC
VR3K5K
AV I
GND
+10V 10mA(MAX )
321
VR
RJ-11
1:+EV
2:GND
3:SG-
4:SG+
+18V
+18V
+18V
M0M1M2
GND
+18V
4.7K
M3
4.7K
4.7K
4.7K
Factory default settings
Forward/Stop
Reverse/Stop
Reset
Multi-step 1
Comm on Signal
P owe r sup ply for Po ten tiom e te r
Master Freq. setting
Analog voltage
Analog current
Motor
Multi-function in dication
output contacts
Factory default:
Fault Indication
Main circuit (power)
term inals
Co ntrol circ uit term inals
S h ie lde d leads
*
If the AC Drive m odel is VFD002L11A/B, VFD004L11A/B, VFD002L21B, VFD004L21B
or V FD 007 L21B , please use power terminals R/L1 and S/L2.
*If the AC Drive model is VFD00 2L21A , VFD 00 4L21A or VF D00 7L21A , 3 phase pow er
may be used on R/L1, S/ L2, T/L3.
*If the AC Drive model is VFD 015L23A , single phase pow er is not allow ed.
NO T E: Do not plug in a Mo dem or telephone line to the RS-485 com m unication port,
per m ane nt da m age m ay r esul t . Ter m i n als 1 & 2 a re t he pow er s ource f or t he
opti o na l c op y keypad and s ho uld not be used wh i l e u si ng RS -485
com m uni cati on.
Main Circuit Power
Communication
p ort
+10V
Basic Wiring Diagram
Users must connect wiri ng accordi ng to the ci rc uit diag ram show n below . Pl ease follow all National
and State wiring codes, when wiring the VFD-L.
5/
5/
87
6/
7/
6/
7/
è
è
è
è
97
,0
a
:7
'
è
5
Main circuit wiring
Si ng l e phas e m odel s i nput f r om R / L1, S/L2
A C line in p u t terminals
grounding
UP/DOWN
Function
Display key
Data
Confirmation key
RUN/STOP
RS485
communication
port
Grounding
Motor connections U/T1, V/T2, W/T3
M o to r cap a city
and input power
Frequency
setting kno b
LED display
The signal selection
f or A VI t o i nput
DC0~+10V
or 4~20 m A
U/T1
V/T2
W/T3
R/L1
S/L2
T/L3
RA
RC
+10V
AV I
M0
M1
M2
M3
GND
Relay
Wire Gauge:22-24AWG
Torque: 4Kgf-cm
Control circuit wiring
A
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6
Wiring Notes: PLEASE READ PRIOR TO INSTALLATION.
Forward
1.
CAUTION: Do not connect the AC input to any of the U/T1, V/T2, W/T3 terminals, as it will
damage the AC drive.
2.
WARNING: Ensure all screws are tightened to the proper torque rating.
3. During installation, follow all national and local electrical, construction, and safety codes for the
country the drive is to be installed in.
4. Ensure the appropriate protective devices (circuit breaker or fuses) are connected between the
power supply and AC drive.
5. Make sure that the leads are con nected corre ctly and the AC driv e is properly grounded. (Gr ound
resistance should not exceed 0.1Ö.)
6. Use ground leads that comply with AWG/MCM standards and keep them as short as possible.
7. Multiple VFD- L uni ts can be installed in on e 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.
When the AC dr ive outp u t t erm in a ls U/T 1 , V /T 2 , an d W /T3 ar e conn e ct ed to t he m oto r te rmin a l s
9/
running
U, V, and W, respectively, the motor will rotate counterclockwise (as viewed f rom the shaf t 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.
9. Make sure that the power is capable of supplying the correct voltage and required current to the
AC drive.
10. Do not attach or remove wiring when power is applied to the AC drive.
11. Do not monitor the signals on the circuit board while the AC drive is in operation.
12. Route the power and control wires separately, or orthogonal to each other.
13. 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.
14. 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 driv e. Do not use a Capaci tor or L-C Filt er (Inductance-C apacitance)
or R-C Filter (Resistance-Capacitance).
15. When using a GFCI (Ground Fault Circuit Interrupt), select current sensor with minimum current
200mA, and minimum detec ti on time 0. 1-second to avoid nuisance tripping.
7
Chapter 3 Summary of Parameters
s
y
K
s
y
Group 0: User Parameters
=
The parameter may be set during operation.
Parameter
=
=
=
Group 1: Basic Parameters
0-00
0-01
0-02 Parameter reset 10: Reset Parameters to Factory Setting 0
0-03 Start-up display of AC
0: F (Frequency command)
1: H (output frequency)
2: U (user-defined un it)
3: A (output current)
0: Display User-Defined Unit (u )
1: Display Counter Value (C)
2: Display Process Operation (1=tt)
3: Display DC-BUS voltage (U)
4: Display output voltage (E)
0.1 ~ 160
Factor
Setting
0
0
1.0
Parameter
===
1-00 Maximum operation Freq. 50.0 ~ 400Hz 60.0
1-01 Maximum setting Freq. 10.0 ~ 400Hz 60.0
1-02 Maximum output voltage 2.0 ~ 255V 220
1-03 Mid-point freq. 1.0 ~ 400Hz 1.0
1-04 Mid-point voltage 2.0 ~ 255V 12.0
1-05 Minimum output freq. 1.0 ~ 60.0Hz 1.0
1-06 Minimum output voltage 2.0 ~ 255V 12.0
1-07 Upper bound of freq. 1 ~ 110% 100
1-08 Lower bound of freq. 0 ~ 100% 0.0
1-09 Accel time 1 (Tacc1) 0.1 ~ 600 Sec 10.0
1-10 Decel time 1 (Tdec1) 0.1 ~ 600 Sec 10.0
1-11 Accel time 2 0.1 ~ 600 Sec 10.0
Functions Settings
Factor
Setting
8
Parameter
s
y
n
P
rs
y
====
1-12 Decel time 2 0.1 ~ 600 Sec 10.0
1-13 JOG Accel time 0.1 ~ 600 Sec 10.0
1-14 JOG Decel time 0.0 ~ 600 Sec 10.0
1-15 JOG frequency 1.0Hz~400Hz 6.0
1-16 Auto-accel/decel
Functions Settings
0: Linear Accel/Decel
Factor
Setting
0
1: Auto accel, linear decel
2: Linear accel, auto decel,
3: Auto Accel/Decel
4: Linear accel. Auto decel, stall preventio
during deceleration
5: Auto accel. Auto decel, stall prevention
during deceleration
1-17
1-18
S-curve setting in
acceleration
S-curve setting in
deceleration
0 ~ 7 0
0 ~ 7 0
Group 2: Operation Method Parameters
aramete
2-00 Source of frequency
command
Functions Settings
0: Digital keypad
1: 0 ~ 10V from AVI
Factor
Setting
0
2: 4 ~ 20mA from AVI
3: Controlled by V.R on drive
4: RS-485 communication interface
2-01 Source of operation
command
0: By digital keypad
1: By external terminals, keypad STOP
0: Warn and continue running
1: Warn and ramp to stop
0
2: Warn and coasting stop
3: No warn and keep running
Modbus communication
=
9-03
=
9-04 Communication
watchdog timer
protocol
0: Disable
1~20: 1 ~ 20 Sec
0: 7,N,2
1: 7,E,1
ASC
mod
2: 7,O,1
3: 8,N,2
4: 8,E,1
0
0
5: 8,O,1
6: 8,N,2
7: 8,E,1
8: 8,O,1
RTU
mod
13
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e
1
2
.
3
4
5
s
1
2
3
.
1
2
3
k
4
s
C
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I
1
2
3
4
W
o
1
2
CHAPTER 4 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:
Faul
Nam
The AC drive detects an abnormal
increase in current.
The AC drive detects that the DC bu
voltage has exceeded its maximum
allowable value.
The AC drive temperature sensor
detects excessive heat.
The AC drive detects that the DC bu
voltage has fallen below its minimum
value.
nternal electronic overload trip
The external terminal EF-GND goes
from OFF to ON.
Motor overload. Check the
parameter settings ( Pr.6-03 to
Pr.6-05)
Fault Descriptions Corrective Actions
. Check whether the motors horsepower
corresponds to the AC drive output power.
. Check the wiring connections between the
AC drive and mot or for pos sible sh ort circuit s
. Increase the Acceleration time (Pr.1-09,
Pr.1-11).
. Check for possible excessive loading
conditions at the motor.
. 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.
. Check whether the input voltage falls within
the rated AC drive input voltage.
. Check for possible voltage transients.
. Bus over-vo l ta ge m a y als o be ca used b y
motor regeneration. Increase the decel time
. Ensure that the ambient temperature falls
within the specified temperature range.
. Make sure that the ventilation holes are not
obstructed.
. Remove any foreign objects on the heat sin
and check for possible dirty heat-sink fins.
. Provide enou gh spa cin g fo r ade qua te
ventilation.
heck whether the input voltage falls within the
ated AC drive’s input voltage.
. Check for possible motor overload.
. Check electronic thermal overload setting.
. Increase motor capacity.
. Reduce the current level so that the drive
output current does not exceed the value set
by the Motor Rated Current Pr.7-00.
hen external terminal EF-GND is closed, the
utput will be turned off. (under N.O.
. Re duc e th e mo to r lo ad .
. Adjust the over-torque detection setting to an
appropriate setting.
()
14
Faul
t
e
1
2
3
4
1
2
.
3
4
a
1
2
3
1
2
3
a
1
2
3
1
2
3
a
1
2
3
1
2
1
2
R
R
D
d
1
2
1
2
T
o
1
2
n
3
4
Nam
Over-current during acceleration:
. Short-circuit at motor output.
. Torque boost too high.
. Acceleration time too short.
. AC drive output capacity is too
small.
Over-current during deceleration:
. Short-circuit at motor output.
. Deceleration time too short.
. AC drive output capacity is too
small.
Over-current during steady state
operation:
. Short-circuit at motor output.
. Sudden increase in motor loading.
. AC drive output capacity is too
small.
Fault Descriptions Corrective Actions
. Che ck fo r po ss ibl e poo r insu la ti on at th e
output line.
. Decrease the torque boost setting in Pr.7-02
. Increase the acceleration time.
. Replace with the AC drive with one that has
higher output capacity (next HP size).
. Che ck fo r po ss ibl e poo r insu la ti on at th e
output line.
. Increase the deceleration time.
. Replace with the AC drive with one that has
higher output capacity (next HP size).
. Che ck fo r po ss ibl e poo r insu la ti on at th e
output line.
. Check for possible motor stall.
. Replace with the AC drive with one that has
higher output capacity (next HP size).
. Switch off power supply.