Thank you for choosing DELTA’s high-performance VFD-B Series. The VFD-B Series is manufactured with
high-quality components and materials and incorporate the latest microprocessor technology available.
This manual is to be used for 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 at hand and distribute to all users for
reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive are to
do installation, start-up and maintenance. Always read this manual thoroughly before using VFD-B series AC
Motor Drive, especially the WARNING, DANGER and CAUTION notes. Failure to comply may result in
personal injury and equipment damage. If you have any questions, please contact your dealer.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER!
1. AC input power must be disconnected before any wiring to the AC motor drive is made.
2. A charge may still remain in the DC-link capacitors with hazardous voltages, even if the power has been
turned off. To prevent personal injury, please ensure that power has turned off before opening the AC
motor drive and wait ten minutes for the capacitors to discharge to safe voltage levels.
3. Never reassemble internal components or wiring.
4. The AC motor drive may be destroyed beyond repair if incorrect cables are connected to the input/output
terminals. Never connect the AC motor drive output terminals U/T1, V/T2, and W/T3 directly to the AC
mains circuit power supply.
5. Ground the VFD-B using the ground terminal. The grounding method must comply with the laws of the
country where the AC motor drive is to be installed. Refer to the Basic Wiring Diagram.
6. VFD-B series is used only to control variable speed of 3-phase induction motors, NOT for 1-phase motors
or other purpose.
7. VFD-B series shall NOT be used for life support equipment or any life safety situation.
Page 2
WARNING!
1. DO NOT use Hi-pot test for internal components. The semi-conductor used in AC motor drive easily
damage by high-pressure.
2. There are highly sensitive MOS components on the printed circuit boards. These components are
especially sensitive to static electricity. To prevent damage to these components, do not touch these
components or the circuit boards with metal objects or your bare hands.
3. Only quality person is allowed to install, wire and maintain AC motor drive.
CAUTION!
1. Some parameters settings can cause the motor to run immediately after applying power.
2. DO NOT install the AC motor drive in a place subjected to high temperature, direct sunlight, high humidity,
excessive vibration, corrosive gases or liquids, or airborne dust or metallic particles.
3. Only use AC motor drives within specification. Failure to comply may result in fire, explosion or electric
shock.
4. To prevent personal injury, please keep children and unqualified people away from the equipment.
5. When the motor cable between AC motor drive and motor is too long, the layer insulation of the motor
may be damaged. Please use a frequency inverter duty motor or add an AC output reactor to prevent
damage to the motor. Refer to appendix B Reactor for details.
6. The rated voltage for AC motor drive must be d240V (d480V for 460V models, d600V for 575V models)
and the mains supply current capacity must be d5000A RMS (d10000A RMS for the t40hp (30kW)
1.1 Receiving and Inspection....................................................................................................................... 1-1
3.3 Trial Run ................................................................................................................................................ 3-2
Chapter 4 Digital Keypad Operation .............................................................................. 4-1
4.1 Description of the Digital Keypad VFD-PU01........................................................................................ 4-1
4.2 How to Operate the Digital Keypad VFD-PU01..................................................................................... 4-3
7.1 Over Current (OC) ................................................................................................................................. 7-1
7.3 Over Voltage (OV) ................................................................................................................................. 7-2
7.4 Low Voltage (Lv).................................................................................................................................... 7-3
7.5 Over Heat (OH)...................................................................................................................................... 7-4
7.7 Display of PU01 is Abnormal................................................................................................................. 7-5
7.8 Phase Loss (PHL).................................................................................................................................. 7-5
7.9 Motor cannot Run .................................................................................................................................. 7-6
7.10 Motor Speed cannot be Changed........................................................................................................ 7-7
7.11 Motor Stalls during Acceleration.......................................................................................................... 7-8
7.12 The Motor does not Run as Expected................................................................................................. 7-8
Chapter 8 Maintenance and Inspections....................................................................... 8-1
Appendix A Specifications .............................................................................................A-1
Appendix B Accessories ................................................................................................B-1
B.1 All Braking Resistors & Braking Units Used in AC Motor Drives ..........................................................B-1
B.1.1 Dimensions and Weights for Braking Resistors.............................................................................B-3
B.1.2 Specifications for Braking Unit.......................................................................................................B-5
B.1.3 Dimensions for Braking Unit ..........................................................................................................B-6
B.6 AC Reactor..........................................................................................................................................B-30
B.6.1 AC Input Reactor Recommended Value......................................................................................B-30
B.6.2 AC Output Reactor Recommended Value...................................................................................B-31
B.6.3 Applications for AC Reactor.........................................................................................................B-33
B.7 Zero Phase Reactor (RF220X00A) .....................................................................................................B-35
B.8 DC Choke Recommended Values ......................................................................................................B-36
C.2 General Precaution ...............................................................................................................................C-4
Page 7
C.3 How to Choose a Suitable Motor ..........................................................................................................C-5
Page 8
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Page 9
Chapter 1 Introduction
A
1.1 Receiving and Inspection
This VFD-B AC motor drive has gone through rigorous quality control tests at the factory before shipment.
After receiving the AC motor drive, please check for the following:
Check to make sure that the package includes an AC motor drive, the User Manual/Quick Start and
CD, dust covers and rubber bushings.
Inspect the unit to assure it was not damaged during shipment.
Make sure that the part number indicated on the nameplate corresponds with the part number of
your order.
1.1.1 Nameplate Information
Example for 1HP/0.75kW 3-phase 230V AC motor drive
* Three phase input power may ap ply to sing le phase dr ive s.
* For the single ph ase appli cation, the AC input line can
be conn ect ed to any two of the thr ee input te rmi nals R,S,T
Fuse /NFB(None Fuse Breaker)
R(L1)
S(L2 )
T(L3 )
Reco mmende d Circuit
when power supply
is tur ned OFF by a
fault outpu t
Factory s et ti ng :
SINK Mo de
Sin k
Sw1
Sou rc e
Please refer to F ig ur e 4
for wir ing of S IN K
mode an d SO UR CE
mode.
Factor y
set ting
* Don't appl y the mains voltage directl y
to above termin als.
OF F
FWD/ STOP
REV/STOP
JOG
E.F.
Multi- step 1
Multi-step 2
Multi-step 3
Multi-step 4
RESET
Acce l/Decel prohibit
Coun ter
Digital Sig nal Co mmon
3
2
5K
1
4~20mA
-10~+1 0V
Analog Si gna l Comm on
Main circuit (pow er) terminals
SA
ON
MC
DC chock
(optional )
Jumper
S(L2 )
T(L3)
E
RB
RC
MC
+24V
FWD
REV
EF
MI1
MI2
MI3
MI4
MI5
MI6
TRG
DCM
E
+10V
Power supply
+10 V 20mA
AVI
Master Fr equency
0 to 10V 47K
E
VFDB
+1
+1
R(L1)
JOG
ACI
AUI
ACM
Cont rol circui t terminals
-(minus s ig n)
U(T1)
V(T2)
W(T3)
MO1
MO2
MO3
MCM
DFM
VFD1 50B23A/ 43 A/53A ,
E
RA
Ple ase refer to Cont rol
RB
Termin al Explanation
RC
Fact or y setting:
ind ica tes during operat ion
48V50mA
Factor y setting:
Freq. Setting Indication
48V50mA
Fact or y sett in g:
Low- voltage Indicati on
48V50mA
Multi- fun ction
Photoc oul per Ou tpu t
FM
CM
E
DCM
6
Analog Multi -f unctio n Output
Termin al
fac tor y settin g: Anal og fr eq.
/ current meter
Analog Si gna l common
Digital Fre quency Ou tput
Termin al
Factor y settin g: 1:1
Dut y=50%
Digita l Sig nal Co mmon
RS-485
1
Serial interfa ce
1: EV 2: GND
4: SG+
5:R eserve d
6: Res erv ed
Shield ed leads & Cable
Motor
IM
3~
0~10VDC /2mA
3: SG-
2-16
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Figure 4 Wiring for SINK mode and SOURCE mode
Factory
setting
Chapter 2 Installation and Wiring_VFD-B Series
Sink
Sw1
Sour ce
Factory
setting
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Chapter 2 Installation and Wiring_VFD-B Series
d
2.4.2 External Wiring
Po we r Sup ply
Items Explanations
EM I Filte r
R/L1S/L2
U/ T1V/ T2
T/ L3
W/ T3
FUSE /NFB
Magnetic
cont actor
Inpu t AC
Line Reac to r
Zero -ph as e
Re ac tor
+1
+2 /B 1
B2
Zero -ph as e
Re ac tor
Outp ut AC
Line Reac to r
DC
Ch ok e
Br ak ing
Re si stor
Power supply
Fuse/NFB
(Optional)
Magnetic
contactor
(Optional)
Input AC Line
Reactor
(Optional)
Zero-phase
Reactor
(Ferrite Core
Common
Choke)
(Optional)
EMI filter
(Optional)
Braking
Resistor
(Optional)
Please follow the specific power supply
requirements shown in Appendix A.
There may be an inrush current during
power up. Please check the chart of
Appendix B and select the correct fuse
with rated current. Use of an NFB is
optional.
Please do not use a Magnetic contactor
as the I/O switch of the AC motor drive,
as it will reduce the operating life cycle
of the AC drive.
Used to improve the input power factor,
to reduce harmonics and provide
protection from AC line disturbances.
(surges, switching spikes, short
interruptions, etc.). AC line reactor
should be installed when the power
supply capacity is 500kVA or more and
exceeds 6 times the inverter capacity,
or the mains wiring distance
10m.
Zero phase reactors are used to reduce
radio noise especially when audio
equipment is installed near the inverter.
Effective for noise reduction on both the
input and output sides. Attenuation
quality is good for a wide range from
AM band to 10MHz. Appendix B
specifies the zero phase reactor.
(RF220X00A)
To reduce electromagnetic interference,
please refer to Appendix B for more
details.
Used to reduce the deceleration time of
the motor. Please refer to the chart in
Appendix B for specific Braking
Resistors.
Motor surge voltage amplitude depends
on motor cable length. For applications
with long motor cable (>20m), it is
necessary to install a reactor at the
inverter output side.
Motor
Output AC
Line Reactor
(Optional)
2-18
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Page 37
2.4.3 Main Terminals Connections
Terminal Symbol Explanation of Terminal Function
R, S, T R/L1, S/L2, T/L3 AC line input terminals (1-phase/3-phase)
Chapter 2 Installation and Wiring_VFD-B Series
U, V, W U/T1, V/T2, W/T3
P1, P2 +1, +2 Connections for DC Choke (optional)
P-B, P2/B1~B2 +2/B1~B2 Connections for Braking Resistor (optional)
P2~N, P2/B1~N +2~(-), +2/B1~(-) Connections for External Braking Unit (VFDB series)
AC drive output terminals for connecting 3-phase
induction motor
Earth connection, please comply with local regulations.
Mains power terminals (R/L1, S/L2, T/L3)
Connect these terminals (R/L1, S/L2, T/L3) via a non-fuse breaker or earth leakage breaker to 3-
phase AC power (some models to 1-phase AC power) for circuit protection. It is unnecessary to
consider phase-sequence.
It is recommended to add a magnetic contactor (MC) in the power input wiring to cut off power
quickly and reduce malfunction when activating the protection function of AC motor drives. Both
ends of the MC should have an R-C surge absorber.
Do NOT run/stop AC motor drives by turning the power ON/OFF. Run/stop AC motor drives by
RUN/STOP command via control terminals or keypad. If you still need to run/stop AC drives by
turning power ON/OFF, it is recommended to do so only ONCE per hour.
Do NOT connect 3-phase models to a 1-phase power source.
Control circuit terminals (U, V, W)
When the AC drive output terminals U/T1, V/T2, and W/T3 are connected to the motor terminals
U/T1, V/T2, and W/T3, respectively, the motor will rotate counterclockwise (as viewed on the shaft
end of the motor) when a forward operation command is received. To permanently reverse the
direction of motor rotation, switch over any of the two motor leads.
Fo rward
running
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Page 38
Chapter 2 Installation and Wiring_VFD-B Series
DO NOT connect phase-compensation capacitors or surge absorbers at the output terminals of AC
motor drives.
With long motor cables, high capacitive switching current peaks can cause over-current, high
leakage current or lower current readout accuracy. To prevent this, the motor cable should be less
than 20m for 3.7kW models and below. And the cable should be less than 50m for 5.5kW models
and above. For longer motor cables use an AC output reactor.
Use well-insulated motor, suitable for inverter operation.
Terminals [+1, +2] for connecting DC reactor
DC reactor
Jumper
+1
To improve power factor and reduce harmonics connect a DC reactor between terminals [+1, +2].
Please remove the jumper before connecting the DC reactor.
NOTE
Terminals [+2/B1, B2] for connecting brake resistor and terminals [+1, +2/B1] for connecting
external brake unit
Connect a brake resistor or brake unit in applications with frequent deceleration ramps, short
Models of 15kW and above have a built-in DC reactor.
VFDB
BR
BR
-(minus sign)
B2
deceleration time, too low braking torque or requiring increased braking torque.
2-20
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Chapter 2 Installation and Wiring_VFD-B Series
If the AC motor drive has a built-in brake chopper (all models of 11kW and below), connect the
external brake resistor to the terminals [Ѐ2/B1, B2].
Models of 15kW and above don’t have a built-in brake chopper. Please connect an external optional
brake unit (VFDB-series) and brake resistor. Refer to VFDB series user manual for details.
Connect the terminals [+(P), -(N)] of the brake unit to the AC motor drive terminals [+2(+2/B1), (-)].
The length of wiring should be less than 5m with twisted cable.
When not used, please leave the terminals [+2/B1, -] open.
WARNING!
Short-circuiting [B2] or [-] to [+2/B1] can damage the AC motor drive.
Grounding terminals (
Make sure that the leads are connected correctly and the AC drive is properly grounded. (Ground
)
resistance should not exceed 0.1Ө.)
Use ground leads that comply with local regulations and keep them as short as possible.
Multiple VFD-B units can be installed in one location. All the units should be grounded directly to a
common ground terminal, as shown in the figure below. Ensure there are no ground loops.
goodexcellent
not allowed
2.4.4 Control Terminals
Circuit diagram for digital inputs (SINK current 16mA.)
SINK Mode
+24
SOURCE Mode
DCM
Mul ti-In pu t
Term ina l
+24 V
Internal C ir cu it
multi-in put
ter min al
In tern al C ir cuitDCM
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Chapter 2 Installation and Wiring_VFD-B Series
Terminal symbols and functions
Terminal Symbol Terminal Function
FWD Forward-Stop command
REV Reverse-Stop command
JOG Jog command
EF External fault
TRG External counter input
MI1 Multi-function Input 1
MI2 Multi-function Input 2
MI3 Multi-function Input 3
MI4 Multi-function Input 4
Factory Settings (SINK)
ON: Connect to DCM
ON: Run in FWD direction
OFF: Stop acc. to Stop Method
ON: Run in REV direction
OFF: Stop acc. to Stop Method
ON: JOG operation
OFF: Stop acc. to Stop Method
ON: External Fault. Display “EF”
and stop acc. To Stop
Method.
OFF: No fault
ON: At every pulse counter is
advanced by 1.
Refer to Pr.04-04 to Pr.04-09 for
programming the Multi-function
Inputs.
MI5 Multi-function Input 5
MI6 Multi-function Input 6
Digital Frequency Meter
(Open Collector Output)
DFM-DC M
Ma x: 48 V
50m A
DFM
Intern al C ir cuit
+24V DC Voltage Source
2-22
50%
100%
Pulse voltage output monitor signal,
proportional to output frequency
05-17 Time Duration of 1st Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-18 Time Duration of 2nd Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-19 Time Duration of 3rd Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-20 Time Duration of 4th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-21 Time Duration of 5th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-22 Time Duration of 6th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-23 Time Duration of 7th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-24 Time Duration of 8th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-25 Time Duration of 9th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-26 Time Duration of 10th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-27 Time Duration of 11th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-28 Time Duration of 12th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-29 Time Duration of 13th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-30 Time Duration of 14th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-31 Time Duration of 15th Step Speed 00 to 65500 sec or 00 to 6550.0 sec 00
05-32 Time Unit Settings
00: 1 sec
00
01: 0.1 sec
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Chapter 5 Parameters_VFD-B Series
Parameter Explanation Settings
05-33
The Amplitude of Wobble
Vibration
0.00~400.00 Hz
Factory
Setting
0.00
05-34 Wobble Skip Frequency 0.00~400.00 Hz 0.00
Group 6 Protection Parameters
Parameter Explanation Settings
Factory
Setting
230V series: 330.0V to 410.0V 390.0V
06-00 Over-Voltage Stall Prevention
460V series: 660.0V to 820.0V 780.0V
575V series: 825.0V to1025.0V 975.0V
00: Disable over-voltage stall prevention
06-01
06-02
Over-Current Stall Prevention
during Accel
Over-Current Stall Prevention
during Operation
20 to 250% 170
20 to 250% 170
00: Disabled
01: Enabled during constant speed
operation. After the over-torque is
detected, keep running until OL1 or OL
occurs.
02: Enabled during constant speed
operation. After the over-torque is
detected, stop running.
00
06-03
Over-Torque Detection Mode
(OL2)
03: Enabled during accel. After the over-
torque is detected, keep running until
OL1 or OL occurs.
04: Enabled during accel. After the over-
torque is detected, stop running.
06-04 Over-Torque Detection Level 10 to 200% 150
06-05 Over-Torque Detection Time 0.1 to 60.0 sec 0.1
06-06
Electronic Thermal Overload
Relay Selection
00: Standard motor (self cooled by fan)
01: Special motor (forced external cooling)
02
02: Disabled
06-07 Electronic Thermal Characteristic 30 to 600 sec 60
00: No fault
00
Customer
06-08 Present Fault Record
5-12
01: Over current (oc)
02: Over voltage (ov)
03: Over heat (oH)
04: Over load (oL)
05: Over load (oL1)
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Chapter 5 Parameters_VFD-B Series
Parameter Explanation Settings
06-09
Second Most Recent Fault
Record
06: External fault (EF)
07: IGBT protection (occ)
Factory
Setting
08: CPU failure (cF3)
09: Hardware protection failure (HPF)
10: Excess current during acceleration (ocA)
06-10 Third Most Recent Fault Record 11: Excess current during deceleration (ocd)
12: Excess current during steady state (ocn)
13: Ground fault (GFF)
14: Reserved
15: CF1
16: CF2
17: Reserved
18: Motor over-load (oL2)
19: Auto Acel/Decel failure (CFA)
20: SW/Password protection (codE)
21: External Emergency Stop (EF1)
06-11 Fourth Most Recent Fault Record
06-12 Under-Current Detection Level
06-13 Under-Current Detection Time
06-14 Under-Current Detection Mode
06-15
06-16
06-17
Under-Current Detection Restart
Delay Time (Lv)
User-Defined Low-Voltage
Detection Level
User-Defined Low-Voltage
Detection Time
22: Phase-Loss (PHL)
23: Preliminary count value attained, EF
active (cEF)
24: Under-current (Lc)
25: Analog feedback signal error (AnLEr)
26: PG feedback signal error (PGErr)
00~100% (00: Disabled)
0.1~ 3600.0 sec
00
10.0
00: Warn and keep operating
01: Warn and ramp to stop
02: Warn and coast to stop
00
03: Warn, after coast to stop, restart (delay
06-15 setting time)
1~600 Min.
10
00: Disabled
230V: 220 to 300VDC
00
460V: 440 to 600VDC
575V: 520 to 780VDC
0.1~ 3600.0 sec 0.5
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Chapter 5 Parameters_VFD-B Series
Parameter Explanation Settings
06-18 Reserved
Group 7 Motor Parameters
Parameter Explanation Settings
a07-00
a07-01
a07-02
a07-03
07-04 Number of Motor Poles 02 to 10 04
07-05 Motor Parameters Auto Tuning
07-06 Motor Line-to-line Resistance R1
07-07 Reserved
07-08 Motor Rated Slip 0.00 to 20.00 Hz 3.00
07-09 Slip Compensation Limit 0 to 250% 200
07-10 Reserved
07-11 Reserved
07-12
07-13 Slip Compensation Time Constant 0.05 ~10.00 sec 0.10
07-14
07-15
Motor Rated Current 30 to 120% 100
Motor No-Load Current
Torque Compensation
Slip Compensation (Used without
PG)
Torque Compensation Time
Constant
Accumulative Motor Operation
Time (Min.)
Accumulative Motor Operation
Time (Day)
01 to 90% 40
0.0 to 10.0 0.0
0.00 to 3.00 0.00
00: Disable
01: Auto tuning R1
02: Auto tuning R1 + no-load test
00~65535 m˖
0.01 ~10.00 Sec 0.05
00 to 1439 Min. 00
00 to 65535 Day 00
Factory
Setting
Factory
Setting
00
00
Customer
Group 8 Special Parameters
Parameter Explanation Settings
08-00 DC Braking Current Level 00 to 100% 00
08-01 DC Braking Time during Start-Up 0.0 to 60.0 sec 0.0
08-02 DC Braking Time during Stopping 0.0 to 60.0 sec 0.0
08-03 Start-Point for DC Braking 0.00 to 400.00Hz 0.00
5-14
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Factory
Setting
Customer
Page 75
Chapter 5 Parameters_VFD-B Series
Parameter Explanation Settings
00: Operation stops after momentary power
loss
01: Operation continues after momentary
08-04
08-05
08-06 B.B. Time for Speed Search 0.1 to 5.0 sec 0.5
08-07 Current Limit for Speed Search 30 to 200% 150
08-08 Skip Frequency 1 Upper Limit 0.00 to 400.00 Hz 0.00
08-09 Skip Frequency 1 Lower Limit 0.00 to 400.00 Hz 0.00
08-10 Skip Frequency 2 Upper Limit 0.00 to 400.00 Hz 0.00
08-11 Skip Frequency 2 Lower Limit 0.00 to 400.00 Hz 0.00
08-12 Skip Frequency 3 Upper Limit 0.00 to 400.00 Hz 0.00
08-13 Skip Frequency 3 Lower Limit 0.00 to 400.00 Hz 0.00
08-14 Auto Restart After Fault 00 to 10 (00=disable) 00
08-15 Auto Energy Saving
08-16 AVR Function
08-17 Software Braking Level
08-18 Base-block Speed Search
08-19 Speed Search during Start-up
a08-20
Momentary Power Loss Operation
Selection
Maximum Allowable Power Loss
Time
Speed Search Frequency during
Start-up
power loss, speed search starts with the
Master Frequency reference value
02: Operation continues after momentary
power loss, speed search starts with the
minimum frequency
0.1 to 5.0 sec 2.0
00: Disable
01: Enable
00: AVR function enable
01: AVR function disable
02: AVR function disable for decel.
230V series: 370 to 430V 380
460V series: 740 to 860V 760
575V series: 925 to1075V 950
00: Speed search starts with last frequency
command
01: Starts with minimum output frequency
00: Speed search disable
01: Speed search enable
00: Setting frequency
01: Maximum operation frequency (01-00)
Factory
Setting
00
00
00
00
00
00
Customer
08-21
a08-22
Auto Reset Time at Restart after
Fault
Compensation Coefficient for
Motor Instability
00 to 60000 sec
00~1000
600
00
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Chapter 5 Parameters_VFD-B Series
Group 9 Communication Parameters
Parameter Explanation Settings
a09-00
a09-01 Transmission Speed
a09-02
a09-03 Time-out Detection
a09-04
09-05 Reserved
Communication Address 01 to 254 01
00: Baud rate 4800bps
01: Baud rate 9600bps
02: Baud rate 19200bps
03: Baud rate 38400bps
00: Warn and keep operating
Transmission Fault Treatment
Communication Protocol
01: Warn and ramp to stop
02: Warn and coast to stop
03: No warning and keep operating
0.0 ~ 60.0 seconds
0.0: Disable
00: 7,N,2 (Modbus, ASCII)
01: 7,E,1 (Modbus, ASCII)
02: 7,O,1 (Modbus, ASCII)
03: 8,N,2 (Modbus, RTU)
04: 8,E,1 (Modbus, RTU)
05: 8,O,1 (Modbus, RTU)
Factory
Setting
01
03
0.0
00
Customer
09-06 Reserved
a09-07
Response Delay Time 00 ~ 200 msec
Group 10 PID Control Parameters
Parameter Explanation Settings
00: Inhibit PID operation
01: Negative PID feedback from external
terminal (AVI) 0 to +10V
02: Negative PID feedback from external
10-00 Input terminal for PID Feedback
10-01 Gain over PID Detection value 0.00 to 10.00 1.00
a10-02
Proportional Gain (P)
terminal (ACI) 4 to 20mA
03: Positive PID feedback from external
terminal (AVI) 0 to +10V
04: Positive PID feedback from external
terminal (ACI) 4 to 20mA
0.0 to 10.0
00
Factory
Setting
00
1.0
Customer
5-16
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Parameter Explanation Settings
a10-03
Integral Gain (I)
a10-04 Derivative Control (D)
10-05 Upper Bound for Integral Control 00 to 100% 100
10-06 Primary Delay Filter Time 0.0 to 2.5 sec 0.0
10-07 PID Output Freq Limit 0 to 110% 100
10-08 Feedback Signal Detection Time 0.0 to 3600.0 sec 60.0
a10-09
10-10 PG Pulse Range 1 to 40000 600
10-11 PG Input
a10-12
a10-13
10-14
10-15
10-16
Treatment of the Erroneous
Feedback Signals
ASR (Auto Speed Regulation)
control (with PG only) (P)
ASR (Auto Speed Regulation)
control (with PG only) (I)
Speed Control Output Frequency
Limit
Sample time for refreshing the
content of 210DH and 210EH
Deviation Range of PID Feedback
Signal Error
0.00 to 100.00 sec (0.00=disable)
0.00 to 1.00 sec
00: Warn and keep operation
01: Warn and RAMP to stop
02: Warn and COAST to stop
00: Disable PG
01: Single phase
02: Forward / Counterclockwise rotation
03: Reverse / Clockwise rotation
0.0 to 10.0 1.0
0.00 to 100.00 (0.00 disable) 1.00
0.00 to 100.00 Hz 10.00
0.01~1.00 seconds 0.10
0.00~100.00% 100.00
Factory
Setting
1.00
0.00
00
00
Customer
Group 11 Fan & Pump Control Parameters
Parameter Explanation Settings
00: V/f curve determined by Pr.01-00 to
Pr.01-06
01: 1.5 power curve
11-00 V/f Curve Selection
11-01
11-02
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Start-Up Frequency of the
Auxiliary Motor
Stop Frequency of the Auxiliary
Motor
02: 1.7 power curve
03: Square curve
04: Cube curve
0.00 to 400.00 Hz 0.00
0.00 to 400.00 Hz 0.00
Factory
Setting
00
Customer
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Chapter 5 Parameters_VFD-B Series
Parameter Explanation Settings
11-03
11-04
11-05 Sleep/Wake Up Detection Time 0.0 ~6550.0 sec 0.0
11-06 Sleep Frequency 0.00~Fmax 0.00
11-07 Wakeup Frequency 0.00~Fmax 0.00
Time Delay before Starting the
Auxiliary Motor
Time Delay before Stopping the
Auxiliary Motor
0.0 to 3600.0 sec 0.0
0.0 to 3600.0 sec 0.0
5.2 Parameter Settings for Applications
Speed Search
Applications Purpose Functions
Windmill, winding machine, fan
and all inertia load
Restart free-running
motor
Before the free-running motor is
completely stopped, it can be restarted
without detecting motor speed. The AC
motor drive will auto search motor speed
and will accelerate when its speed is the
same as the motor speed.
Factory
Setting
Parameters
Customer
Related
08-06
08-07
08-19
08-20
DC Braking before Running
Applications Purpose Functions
When e.g. windmills, fans and
pumps rotate freely by wind or
flow without applying power
5-18
Keep the free-running
motor at standstill.
If the running direction of the free-running
motor is not steady, please execute DC
braking before start-up.
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Related
Parameters
08-00
08-01
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Chapter 5 Parameters_VFD-B Series
A
Motor power switch-over between AC motor drive and commercial power
Applications Purpose Functions
Windmills, pumps,
extruders
Energy Saving
Applications Purpose Functions
Punching machines and
precision machinery
Multi-step Operation
Switching motor power
between AC motor drive
and commercial power
Energy saving and less
vibrations
When switching motor power between
C motor drive and commercial power, it
is unnecessary to stop motor or start by
commercial power with heavy duty
before switching to by AC motor drive
control
Energy saving when the AC motor drive
runs at constant speed, yet full power
acceleration and deceleration For
precision machinery it also helps to
lower vibrations.
Related
Parameters
03-00
03-01
03-02
03-03
Related
Parameters
08-15
Applications Purpose Functions
Conveying machinery
Cyclic operation by multistep speeds.
To control 15-step speeds and duration
by simple contact signal.
Switching acceleration and deceleration times
Applications Purpose Functions
Switching multi-step
Auto turntable for
conveying machinery
Switching acceleration and
deceleration times by
external signal
acceleration/deceleration by external
signal. When an AC motor drive drives
two or more motors, it can reach highspeed but still start and stop smoothly.
Related
Parameters
04-04~04-09
05-00~05-14
Related
Parameters
01-09~01-12
01-18~01-21
04-04~04-09
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V
V
V
Overheat Warning
Applications Purpose Functions
Air conditioner Safety measure
Two-wire/three-wire
Applications Purpose Functions
To run, stop, forward
General application
and reverse by
external terminals
When AC motor drive overheats, it uses a
thermal sensor to have overheat warning.
FWD/STOP
REV/STOP
RUN/STOP
FWD/RE V
STOPRUN
REV/FWD
FWD: (" OPEN":S TOP)
("CLOS E" :FWD)
REV:("OPEN ": S TO P)
("CLOS E" : REV)
DC M
FWD: (" OPEN":S TO P)
(" CL OS E":RU N)
REV:( "OP EN ": F
(" CL OS E": R EV )
DC M
FWD:("C LOS E": RU N)
EF: ("OPE N":ST OP)
REV:(" OPE N": F
(" CLOSE ": RE V)
DC M
WD )
WD )
FD-B
FD-B
FD-B
Related
Parameters
03-00~03-03
04-04~04-09
Related
Parameters
02-05
04-04~04-09
Operation Command
Applications Purpose Functions
General application
5-20
Selecting the source
of control signal
Selection of AC motor drive control by
external terminals, digital keypad or RS485.
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Related
Parameters
03-01
04-04~04-09
Page 81
Frequency Hold
Chapter 5 Parameters_VFD-B Series
Applications Purpose Functions
General application
Acceleration/
deceleration pause
Auto Restart after Fault
Applications Purpose Functions
For continuous and
Air conditioners, remote
pumps
reliable operation
without operator
intervention
Emergency Stop by DC Braking
Applications Purpose Functions
Emergency stop
High-speed rotors
without braking
resistor
Hold output frequency during
Acceleration/deceleration
The AC motor drive can be restarted/reset
automatically up to 10 times after a fault
occurs.
AC motor drive can use DC barking for
emergency stop when quick stop is needed
without braking resistor. When used often,
take motor cooling into consideration.
Related
Parameters
04-04~04-09
Related
Parameters
08-14~08-21
Related
Parameters
08-00
08-02
08-03
Over-torque Setting
Applications Purpose Functions
The over-torque detection level can be set.
Pumps, fans and
extruders
To protect machines
and to have
continuous/ reliable
operation
Once OC stall, OV stall and over-torque
occurs, the output frequency will be
adjusted automatically. It is suitable for
machines like fans and pumps that require
continuous operation.
Upper/Lower Limit Frequency
Applications Purpose Functions
Pump and fan
Control the motor
speed within
upper/lower limit
When user cannot provide upper/lower
limit, gain or bias from external signal, it
can be set individually in AC motor drive.
Related
Parameters
06-00~06-05
Related
Parameters
01-07
01-08
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Skip Frequency Setting
Applications Purpose Functions
The AC motor drive cannot run at constant
speed in the skip frequency range. Three
skip frequency ranges can be set.
Pumps and fans
To prevent machine
vibrations
Carrier Frequency Setting
Applications Purpose Functions
General application Low noise
The carrier frequency can be increased
when required to reduce motor noise.
Keep Running when Frequency Command is Lost
Applications Purpose Functions
When the frequency command is lost by
Air conditioners
For continuous
operation
system malfunction, the AC motor drive can
still run. Suitable for intelligent air
conditioners.
Related
Parameters
08-00~08-13
Related
Parameters
02-03
Related
Parameters
02-07
Display the Speed of Load
Applications Purpose Functions
General application
Display running
status
Output Signal during Running
Applications Purpose Functions
General application
Provide a signal for
running status
Display motor speed(rpm) and machine
speed(rpm) on keypad.
Signal available to stop braking when the
AC motor drive is running. (This signal will
disappear when the AC motor drive is freerunning.)
Related
Parameters
00-04
03-05
Related
Parameters
03-00~03-03
5-22
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Output Signal in Zero Speed
Chapter 5 Parameters_VFD-B Series
Applications Purpose Functions
General application
Provide a signal for
running status
Output Signal at Desired Frequency
Applications Purpose Functions
General application
Provide a signal for
running status
Output Signal for Base Block
Applications Purpose Functions
General application
Provide a signal for
running status
When the output frequency is lower than the
min. output frequency, a signal is given for
external system or control wiring.
When the output frequency is at the desired
frequency (by frequency command), a signal
is given for external system or control wiring.
When executing Base Block, a signal is
given for external system or control wiring.
Related
Parameters
03-00~03-03
Related
Parameters
03-00~03-03
Related
Parameters
03-00~03-03
Overheat Warning for Heat Sink
Applications Purpose Functions
General application For safety
Multi-function Analog Output
Applications Purpose Functions
General application
Display running
status
When heat sink is overheated, it will send a
signal for external system or control wiring.
The value of frequency, output
current/voltage can be read by adding a
frequency meter or voltage/current meter.
Related
Parameters
03-00~03-03
Related
Parameters
03-05
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Chapter 5 Parameters_VFD-B Series
5.3 Description of Parameter Settings
Group 0: User Parameters a: This parameter can be set during operation.
00 - 00
00 - 01
Pr. 00-00 displays the identity code of the AC motor drive. The capacity, rated current, rated voltage and the
Pr.00-01 displays the rated current of the AC motor drive. By reading this parameter the user can check if the
09 All parameters are reset to factory settings (50Hz, 220V/380V/575V)
10 All parameters are reset to factory settings (60Hz, 220V/440V/575V)
This parameter allows the user to reset all parameters to the factory settings except the fault records (Pr.06-
08 ~ Pr.06-11).
50Hz: Pr.01-01 is set to 50Hz and Pr.01-02 is set to 230V, 400V or 575V.
60Hz: Pr.01-01 is set to 60Hz and Pr.01-02 is set to 230V, 460V or 575V.
When Pr.00-02=08, the VFD-PU01 keypad is locked. To unlock the keypad, set Pr.00-02=00.
00 - 03
aStart-up Display Selection
Factory Setting: 00
Settings 00 Display the frequency command value. (LED F)
01 Display the actual output frequency (LED H)
02 Display the content of user-defined unit (LED U)
03 Multifunction display, see Pr.00-04
04 FWD/REV command
This parameter determines the start-up display page after power is applied to the drive.
00 - 04
aContent of Multi-Function Display
Factory Setting: 00
Settings 00 Display the output current in A supplied to the motor
01
02
Display the counter value which counts the number of pulses on
TRG terminal
When the PLC function is active, the current step and its remaining
operation time in s are shown.
03 Display the actual DC BUS voltage in VDC of the AC motor drive
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00 - 04
04
05
06
07
aContent of Multi-Function Display
Display the output voltage in VAC of terminals U, V, W to the
motor.
Display the power factor angle in º of terminals U, V, W to the
motor.
Display the output power in kW of terminals U, V and W to the
motor.
Display the actual motor speed in rpm (enabled in vector control
mode or PG (Encoder) feedback control) (LED H and LED U).
08 Display the estimated value of torque in Nm as it relates to current.
Display PG encoder feedback pulses/10ms.
09
Display value= (rpm*PPR)/6000 (see note)
10 Display analog feedback signal value in %.
Display the signal of AVI analog input terminal in %.
11
Range 0~10V corresponds to 0~100%. (LED U)
12
Display the signal of ACI analog input terminal in %.
Range 4~20mA corresponds to 0~100%. (LED U)
Display the signal of AUI analog input terminal in %.
13
14
Range -10V~10V corresponds to 0~100%. (LED U)
Display the temperature of heat sink in ¡C.
This parameter sets the display when Pr. 00-03 is set to 03.
Pr.00-04=09. The display value is (((rpm/60)*PPR)/1000ms)*10ms
with rpm=motor speed in revs/min and PPR=encoder pulse per revolution
When the display shows the multi-function display (Pr.00-03=03), the user also can view other information by
pressing the “LEFT” key
on the VFD-PU01 keypad.
00 - 05
aUser Defined Coefficient K Unit: 0.01
Settings 0.01 to d 160.00 Factory Setting: 1.00
The coefficient K determines the multiplying factor for the user-defined unit.
The display value is calculated as follows:
5-26
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U (User-defined unit) = Frequency Command * K (Pr.00-05)
H (actual output) = Actual output frequency * K (Pr.00-05)
Example:
A conveyor belt runs at 13.6m/s at motor speed 60Hz.
K = 13.6/60 = 0.23 (0.226667 rounded to 2 decimals), therefore Pr.00-05=0.23
With Frequency command 35Hz, display shows LED U and 35*0.23=8.05m/s.
(To increase accuracy, use K=2.27 or K=22.67 and disregard decimal point.)
00 - 06
Software Version
Settings Read Only
Display #.##
00 - 07
Password Input Unit: 1
Settings 00 to 65535 Factory Setting: 00
Display 00~02 (times of wrong password)
The function of this parameter is to input the password that is set in Pr.00-08. Input the correct password
here to enable changing parameters. You are limited to a maximum of 3 attempts. After 3 consecutive failed
attempts, a blinking “PcodE” will show up to force the user to restart the AC motor drive in order to try again
to input the correct password.
00 - 08
Password Set Unit: 1
Settings 00 to 65535 Factory Setting: 00
Display 00 No password set or successful input in Pr. 00-07
01 Password has been set
To set a password to protect your parameter settings.
If the display shows 00, no password is set or password has been correctly entered in Pr.00-07. All
parameters can then be changed, including Pr.00-08.
The first time you can set a password directly. After successful setting of password the display will show 01.
Be sure to record the password for later use.
To cancel the parameter lock, set the parameter to 00 after inputting correct password into Pr. 00-07.
The password consists of min. 2 digits and max. 5 digits.
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How to make the password valid again after decoding by Pr.00-07:
Method 1: Re-input original password into Pr.00-08 (Or you can enter a new password if you want to use a
changed or new one).
Method 2: After rebooting, password function will be recovered.
Password Decode Flow Chart
00-0800-07
Displays 00 when
entering correct
password into
Pr.00-07.
Correct Password
EN D
00-08
Displays 00 when
entering correct
password into
Pr.00-07.
Incorrect Password
EN D
00-07
3 chances to enter the correct
password.
1st time displays "01" if
password is incorrect.
2nd time displays "02", if
password is incorrect.
3rd time displ ays "P code"
(blinking)
If the passwor d was entered
incorrectly after three tries,
the keypad will be locked.
Turn the power OFF/ON to
re-enter the password.
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00 - 09
Control method
Factory Setting: 00
Settings 00 V/f control
01 V/f + PG Control
02 Vector Control
03 Vector + PG Control
This parameter determines the control method of the AC motor drive.
PG is encoder (Pulse Generator) feedback for which an option PG card is required.
00 - 10
Reserved
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Group 1: Basic Parameters
01 - 00
Maximum Output Frequency (Fmax) Unit: 0.01
Settings 50.00 to 400.00 Hz Factory Setting: 60.00
This parameter determines the AC motor drive’s Maximum Output Frequency. All the AC motor drive
frequency command sources (analog inputs 0 to +10V, 4 to 20mA and -10V to +10V) are scaled to
correspond to the output frequency range.
01 - 01
Maximum Voltage Frequency (Fbase) Unit: 0.01
Settings 0.10 to 400.00Hz Factory Setting: 60.00
This value should be set according to the rated frequency of the motor as indicated on the motor nameplate.
Maximum Voltage Frequency determines the v/f curve ratio. For example, if the drive is rated for 460 VAC
output and the Maximum Voltage Frequency is set to 60Hz, the drive will maintain a constant ratio of 7.66
V/Hz (460V/60Hz=7.66V/Hz). This parameter value must be equal to or greater than the Mid-Point
Frequency (Pr.01-03).
01 - 02
Maximum Output Voltage (Vmax) Unit: 0.1
Settings 230V series 0.1 to 255.0V Factory Setting: 220.0
460V series 0.1 to 510.0V Factory Setting: 440.0
575V series 0.1 to 637.0V Factory Setting: 575.0
This parameter determines the Maximum Output Voltage of the AC motor drive. The Maximum Output
Voltage setting must be smaller than or equal to the rated voltage of the motor as indicated on the motor
nameplate. This parameter value must be equal to or greater than the Mid-Point Voltage (Pr.01-04).
01 - 03
Mid-Point Frequency (Fmid) Unit: 0.01
Settings 0.10 to 400.00Hz Factory Setting: 0.50
This parameter sets the Mid-Point Frequency of the V/f curve. With this setting, the V/f ratio between
Minimum Frequency and Mid-Point frequency can be determined. This parameter must be equal to or
greater than Minimum Output Frequency (Pr.01-05) and equal to or less than Maximum Voltage Frequency
(Pr.01-01).
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01 - 04
Mid-Point Voltage (Vmid) Unit: 0.1
Settings 230V series 0.1 to 255.0V Factory Setting: 1.7
460V series 0.1 to 510.0V Factory Setting: 3.4
575V series 0.1 to 637.0V Factory Setting: 4.8
This parameter sets the Mid-Point Voltage of any V/f curve. With this setting, the V/f ratio between Minimum
Frequency and Mid-Point Frequency can be determined. This parameter must be equal to or greater than
Minimum Output Voltage (Pr.01-06) and equal to or less than Maximum Output Voltage (Pr.01-02).
This parameter is ineffective when Pr.11-00 is set to 1 to 4.
01 - 05
Minimum Output Frequency (Fmin) Unit: 0.01
Settings 0.10 to 400.00Hz Factory Setting: 0.50
This parameter sets the Minimum Output Frequency of the AC motor drive. This parameter must be equal to
or less than Mid-Point Frequency (Pr.01-03).
The settings of 01-03, 01-04, and 01-06 are invalid in Vector Control mode.
01 - 06
Minimum Output Voltage (Vmin) Unit: 0.1
Settings 230V series 0.1 to 255.0V Factory Setting: 1.7
460V series 0.1 to 510.0V Factory Setting: 3.4
575V series 0.1 to 637.0V Factory Setting: 4.8
This parameter sets the Minimum Output Voltage of the AC motor drive. This parameter must be equal to or
less than Mid-Point Voltage (Pr.01-04).
The settings of Pr.01-01 to Pr.01-06 have to meet the condition of Pr.01-02 t Pr.01-04 t Pr.01-06 and Pr.01-
01 t Pr.01-03 t Pr.01-05.
01 - 07
Output Frequency Upper Limit Unit: 1
Settings 1 to 120% Factory Setting: 100
This parameter must be equal to or greater than the Output Frequency Lower Limit (Pr.01-08). The Maximum
Output Frequency (Pr.01-00) is regarded as 100%.
Output Frequency Upper Limit value = (Pr.01-00 * Pr.01-07)/100.
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V
Voltage
Out put Fr equen cy
Lower Limit
1-02
Max imum
Out put
Voltag e
1-04
Mid-p oi nt
Voltag e
1-06
Minimum
Out put
Voltag e
1-051-031-01
Mi ni mum
Output
Freq .
1-08
The lim it of
Out put
Frequ ency
Mid-point
Freq .
/f Curve
1-07
Out put Frequen cy
Upp er Limit
Maxi mum Volta ge
Freq uency
(Bas e Fr eq ue ncy )
Frequency
1-00
Maxi mum
Output
Freq uency
01 - 08
Output Frequency Lower Limit Unit: 1
Settings 0 to 100% Factory Setting: 0
The Upper/Lower Limits are to prevent operation errors and machine damage.
If the Output Frequency Upper Limit is 50Hz and the Maximum Output Frequency is 60Hz, the Output
Frequency will be limited to 50Hz.
If the Output Frequency Lower Limit is 10Hz, and the Minimum Output Frequency (Pr.01-05) is set to 1.0Hz,
then any Command Frequency between 1.0-10Hz will generate a 10Hz output from the drive.
This parameter must be equal to or less than the Output Frequency Upper Limit (Pr.01-07).
The Output Frequency Lower Limit value = (Pr.01-00 * Pr.01-08) /100.
01 - 09
01 - 10
01 - 11
01 - 12
aAcceleration Time 1 (Taccel 1) Unit: 0.1/0.01
aDeceleration Time 1 (Tdecel 1) Unit: 0.1/0.01
aAcceleration Time 2 (Taccel 2) Unit: 0.1/0.01
aDeceleration Time 2 (Tdecel 2) Unit: 0.1/0.01
01 - 18
01 - 19
01 - 20
aAcceleration Time 3 (Taccel 3) Unit: 0.1/0.01
aDeceleration Time 3 (Tdecel 3) Unit: 0.1/0.01
aAcceleration Time 4 (Taccel 4) Unit: 0.1/0.01
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01 - 21
aDeceleration Time 4 (Tdecel 4) Unit: 0.1/0.01
Settings 0.01 to 3600.0 sec Factory Setting: 10.0
Factory setting for models of 30hp (22kW) and above is 60sec.
01 - 23
Accel/Decel Time Unit
Factory Setting: 01
Settings 00 Unit: 1 sec
01 Unit: 0.1 sec
02 Unit: 0.01 sec
The Acceleration Time is used to determine the time required for the AC motor drive to ramp from 0 Hz to
Maximum Output Frequency (Pr.01-00). The rate is linear unless S-Curve is “Enabled”, see Pr.01-16.
The Deceleration Time is used to determine the time required for the AC motor drive to decelerate from the
Maximum Output Frequency (Pr.01-00) down to 0 Hz. The rate is linear unless S-Curve is “Enabled.”, see
Pr.01-17.
The Acceleration/Deceleration Time 1, 2, 3, 4 are selected according to the Multi-Function Input Terminals
Settings. See Pr.04-04 to Pr.04-09 for more details.
In the diagram shown below, the Acceleration/Deceleration Time of the AC motor drive is the time between 0
Hz to Maximum Output Frequency (Pr.01-00). Suppose the Maximum Output Frequency is 60 Hz, Minimum
Output Frequency (Pr.01-05) is 1.0 Hz, and Acceleration/Deceleration Time is 10 seconds. The actual time
for the AC motor drive to accelerate from start-up to 60 Hz and to decelerate from 60Hz to 1.0Hz is in this
case 9.83 seconds. ((60-1) * 10 /60=9.83secs).
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01-00
Fre quency
Max . output
Frequency
setti ng
opera tion
frequency
01-05
Min. ou tput
frequency
0 Hz
Accel. Time
01-0 9
01-1 8
01 -11
01 -20
Res ul ting
Accel. Time
The de fi ni tion of
Accel. /D ece l. Tim e
Resu lt in g Acce l. /Decel. Time
Dec el . Time
01-1 001 -12
01-1 901- 21
Res ul ting
Dec el . Time
Time
01 - 13
aJog Acceleration Time Unit: 0.1
Settings 0.1 to 3600.0 sec Factory Setting: 1.0
01 - 22
aJog Deceleration Time Unit: 0.1
Settings 0.1 to 3600.0 sec Factory Setting: 1.0
01 - 14
aJog Frequency Unit: 0.1
Settings 0.10 to 400.00Hz Factory Setting: 1.0
Both external terminal JOG and key “JOG” on the keypad can be used. When the Jog command is “ON”, the
AC motor drive will accelerate from Minimum Output Frequency (Pr.01-05) to Jog Frequency (Pr.01-14).
When the Jog command is “OFF”, the AC motor drive will decelerate from Jog Frequency to zero. The used
Accel/Decel time is set by the Jog Accel/Decel time (Pr.01-13, Pr.01-22).
Before using the JOG command, the drive must be stopped first. And during Jog operation, other operation
commands cannot be accepted, except command via the FORWARD, REVERSE and STOP keys on the
digital keypad.
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Fre quency
01-14
JOG
Fre quency
01-05
Min. ou tput
frequency
Chapter 5 Parameters_VFD-B Series
0 Hz
JOG Acc el . Time
01-13
The de finitio n of JOG Accel./De ce l. Time
JOG Decel. Time
01 -1 2
01-22
01 -2 1
Time
01 – 15
aAuto-Acceleration / Deceleration
Factory Setting: 00
Settings 00 Linear acceleration / deceleration
01 Auto acceleration, linear Deceleration.
02 Linear acceleration, auto Deceleration.
03 Auto acceleration / deceleration (set by load)
04 Auto acceleration / deceleration (set by Accel/Decel Time setting)
With Auto acceleration / deceleration it is possible to reduce vibration and shocks during starting/stopping the
load.
During Auto acceleration the torque is automatically measured and the drive will accelerate to the set
frequency with the fastest acceleration time and the smoothest start current.
During Auto deceleration, regenerative energy is measured and the motor is smoothly stopped with the
fastest deceleration time.
But when this parameter is set to 04, the actual accel/decel time will be equal to or more than parameter
Pr.01-09 ~Pr.01-12 and Pr.01-18 to Pr.01-21.
Auto acceleration/deceleration makes the complicated processes of tuning unnecessary. It makes operation
efficient and saves energy by acceleration without stall and deceleration without braking resistor.
In applications with brake resistor or brake unit, Auto deceleration shall not be used.
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01 – 16
01 – 17
Acceleration S-Curve
Deceleration S-Curve
Factory Setting: 00
Settings 00 S-curve disabled
01 to 07 S-curve enabled (07 is smoothest)
This parameter is used to ensure smooth acceleration and deceleration via S-curve.
The S-curve is disabled when set to 00 and enabled when set to 01 to 07.
Setting 01 gives the quickest and setting 07 the longest and smoothest S-curve.
The AC motor drive will not follow the Accel/Decel Times in Pr.01-09 to Pr.01-12 and Pr.01-18 to Pr.01-21
when S-curve is enabled.
The diagram below shows that the original setting of the Accel/Decel Time is only for reference when the S-
curve is enabled. The actual Accel/Decel Time depends on the selected S-curve (01 to 07).
1
3
2
4
1
3
1 2
Disable S curve
Acce lerat io n/dec elera tion Ch ar acteristic s
2
4
3 4
Enable S curve
5-36
Revision 10/2005, BE13, SW V4.08
Page 97
Group 2: Operation Method Parameters
Chapter 5 Parameters_VFD-B Series
02 – 00
aSource of First Master Frequency Command
Factory Setting: 00
Settings 00 Digital keypad (PU01) UP/DOWN keys or Multi-function Inputs UP/DOWN.
Last used frequency saved.
01 AVI 0 ~ +10VDC
02 ACI 4 ~ 20mA
03 AUI -10 ~ +10VDC
04 RS-485 serial communication (RJ-11). Last used frequency saved.
05 RS-485 serial communication (RJ-11). Last used frequency not saved.
06 Combined use of master and auxiliary frequency command
See Pr. 02-10 to 02-12
02 – 13
aSource of Second Master Frequency Command
Factory Setting: 00
Settings 00 Digital keypad UP/DOWN keys or Multi-function Inputs UP/DOWN. Last used
frequency saved.
01 AVI 0 ~ +10VDC
02 ACI 4 ~ 20mA
03 AUI -10 ~ +10VDC
04 RS-485 serial communication (RJ-11). Last used frequency saved.
05 RS-485 serial communication (RJ-11). Last used frequency not saved.
06 Combined use of master and auxiliary frequency command
See Pr. 02-10 to 02-12
These parameters set the Master Frequency Command Source of the AC motor drive.