Omron SYSDRIVE 3G3SV-B2002-E User manual
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Notice:
OMRON products are manufactured for use according to proper procedures by a qualified operator
and only for the purposes described in this manual.
The following conventions are used to indicate and classify warnings in this manual. Always heed the
information provided with them.
Caution Indicates information that, if not heeded, could result in minor injury or damage
to the product.
DANGER! Indicates information that, if not heeded, could result in loss of life or serious
injury.
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of
information.
Note Indicatesinformationofparticular interestfor efficientand convenient operation
of the product.
1, 2, 3...
1. Indicates lists of one sort or another, such as procedures, checklists, etc.
OMRON, 1992
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About this Manual:
This manual provides operating procedures and parameterspecifications forthe SYS-
DRIVE 3G3SV Book-Size All-Digital Low-Noise Inverter.
Section 1
describes handling, wiring, operation, maintenance/inspections, trouble-
shooting and specifications of the SYSDRIVE 3G3SV series (hereinafter called
3G3SV).
Section 2
outlines the digital operator (optional) performance,constants, operation,
etc.
Before using the 3G3SV, a thorough understanding of this manual is recommended.
Thismanualwillbe ofgreathelpfordaily maintenance, inspectionandtroubleshooting.
WARNING Failure to read and understand the information provided in this manual may result in
personal injury or death, damage to the product, or product failure. Please read each
section inits entiretyand besure youunderstand theinformationprovided inthesection
and related sections before attempting any of the procedures or operations given.
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1-1 Parts Names of the 3G3SV
The following shows the SYSDRIVE 3G3SV connected with the
digital operator (option).
MTG hole Digital display section
Connector for digital operator
Control circuit terminal block
(with acrylic cover)
Main circuit terminal block (with acrylic cover)
Remote operator special cable
(optional)
Digital operator
(optional)
1-2 Receiving
ThisSYSDRIVE3G3SVhasbeen putthroughdemandingtestsat
the factory before shipment.
After unpacking, check for the following.
•Verify the part numbers with the purchase order sheet and/or
packing slip.
•Transit damage.
If any part of 3G3SV is damaged or lost, immediately notify the
shipper.
Nameplate Data
Input specifications
Output specifications
Inverter model 3G3SV-B2015 200 V CLASS INVERTER
INPUT: AC3PH 200 to 230 V 50/60 Hz 6.5 A
OUTPUT: AC3PH 0 to 230 V 3.0 kVA 6.5 A
LOT No. SER No.
OMRON Corporation MADE IN JAPAN
Section 1-2
Inverter Model Numbers
Country
E: European countries
None:Japan
Max. Applicable Motor Capacity
002: 0.2 kW
004: 0.4 kW
..
..
..
037: 3.7 kW
Voltage Class
2: 3-phase, 200 V
B: Single-phase, 200 V
Protective Structure
B: Panel-mounting
P: Optional structure
3G3SV-B2002-E
3G3SV-series
Warning
1, 2, 3...
1. After turning off the main circuit powersupply, do not touch cir-
cuitcomponentsuntilthe“CHARGE”lampisextinguished.The
capacitors are still charged and can be quite dangerous.
2. Do not change the wiring while power is applied to the circuit.
3. Do not check signals during operation.
4. Be sure to ground 3G3SV using the ground terminal G (E).
5. Never connect main circuit output terminals, T1 (U), T2 (V), T3
(W), to AC main circuit supply.
Caution
1, 2, 3...
1. Allthepotentiometersof3G3SVhavebeenadjustedatthefac-
tory. Do not change their settings unnecessarily.
2. Donotperformwithstandvoltagetestonanypartofthe3G3SV
unit. This electronic equipment uses semi-conductors and is
vulnerable to high voltage.
1-3 Installation
1-3-1 Location Location ofthe equipment isimportant toachieve properperform-
ance and normal operating life.
The 3G3SV units should be installed in areas where the following
conditions exist.
Ambient temperature: +149to 1139F, --109to +509C.
Protected from rain or moisture.
Protected from direct sunlight.
Protected from corrosive gases or liquids.
Free from airborne dust or metallic particles.
Free from vibration.
Free from magnetic noise.
Section 1-3
-
Caution To house multiple SYSDRIVE 3G3SVs in a switchgear, install a
coolingfanorsomeothermeanstocoolthe airenteringtheinvert-
er below 1139F(459C).
1-3-2 Mounting Space
Install the 3G3SV vertically and allow sufficient space for effective
cooling as shown in Fig. 1.
0.39 in (10 mm)
or more 0.39 in (10 mm)
or more
(a) Front View. (b) Side View
AIR
AIR
4.7 in (120 mm)
or more
Allowable tem-
perature of
control part:
131
F
(55
C) Front cover
4.7 in (120 mm)
or more Open chassis type:
113
F(45
C)
Fig. 1 Mounting Space
1-4 Wiring
1-4-1 Main Circuit
Main Circuit Wiring Connect wiring as shown in Fig. 2.
IM
L1 (R)
L2 (S)
L3 (T)
L1 (R)
L2 (S)
L3 (T)
T1 (U)
T2 (V)
T3 (W)
G(E)
FLT-A
FLT-B
FLT-C
B1 B2 Motor
MCCB
3-phase power supply
200/208/220 V, 50 Hz
200/208/220/230 V,
60 Hz
Fault
contact
output
L1(R)
L2(S)
L3(T)
T1(U)
T2(V)
T3(W)
L1(R)
L2(S)
T1(U)
T2(V)
T3(W)
Braking resistor or
braking resistor unit (optional)
Only terminal L1 (R),L2 (S)
for single-phase power supply
Main Circuit Terminal Arrangement
Note: Circuit terminal block screw size is M4
3G3SV
FLT-A
FLT-B
FLT-C
B1
B2
E
FLT-A
FLT-B
FLT-C
B1
B2
E
3-phase input Single-phase input
Fig. 2 Main Circuit Wiring
Molded-case Circuit Breaker (MCCB)
BesuretoconnectMCCBsbetweenthepowersupplyand3G3SV
input terminals L1 (R), L2 (S), L3 (T). Recommended MCCBs are
listedinTable1.
Section 1-4
(
Whenagroundfaultinterrupterisusedselecttheonewithnoinflu-
ence for high frequency, and setting current should be 200 mA or
over and operating time, 0.1 sec or over to prevent malfunction.
Table 1 Molded-case Circuit Breakers and Magnetic Contactors
Model 3G3SV-
-E B2002 B2004 B2007 B2015 B2022 B2037
3
G
3
S
V
BB002 BB004 BB007 BB015 BB022 BB037
3
G
3
S
V
Capacity 0.7 kVA 1.3 kVA 2.2 kVA 2.8 kVA 4.7 kVA 7.5 kVA
Rated output current 1.5 A 3A 5A 6.5 A 11 A 17.5 A
Molded-case
C
i
i
t
B
k
Rated
t
3-phase 5A 5A 10A 20A 20A 30A
Circuit Breaker current Single-phase 5A 10A 20A 20A 40A 50A
Surge Absorber The surge absorbers should be connected to the coils of relays,
magnetic contactors, magnetic valves, or magnetic relays. Select
thetypefromTable2.
Table 2 Surge Absorbers
Coils of magnetic contactor and control relay Surge absorber (see note)
Model Specifications
200 to 230 V Large-size magnetic contactors DCR2-50A22E 250 VAC, 0.5
F+20
Control relay
LY-2, -3 (OMRON)
MM-2, -4 (OMRON)
DCR2-10A25C 250 VAC, 0.1
F + 100
400 to 460 V units DCR2-50D100B 1,000 VDC, 0.5
F + 220
Note Made by MARCON Electronics. Marketed in Japan.
Wiring
Main Circuit Input/Output
1, 2, 3...
1. Phase rotation of input terminals L1 (R), L2 (S), L3 (T) isavail-
able in either direction, clockwise and counterclockwise.
2. When inverter output terminals T1 (U), T2 (V), and T3 (W) are
connected to motor terminals T1 (U), T2 (V), and T3 (W), re-
spectively,motorrotatescounterclockwise, viewed from oppo-
site drive end, upon forward operation command. To reverse
the rotation interchange any two of motor leads.
3. Never connect AC main circuit power supply to output termi-
nals T1 (U), T2 (V), and T3 (W).
4. Careshouldbetakentopreventcontactofwiringleadswiththe
3G3SV cabinet, or a short-circuit may result.
5. Never connect power factor correction capacitor or noise filter
to 3G3SV output.
6. Never open or close contactors in the output circuit unless in-
verter is properly sized.
Wire Size Table 3 shows wire sizes and types.
Section 1-4
,
Model
3G3SV Inverter
capacity Terminal symbol Terminal
screw Wire size AWG Wire type
B2002 0.7 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M4 2-5.5 mm214-10 Power
cable:
6
0
0
V
i
l
BB002 G(E) 600 V vinyl
s
h
e
a
t
h
e
d
B2004 1.3 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M4 2-5.5 mm214-10
s
h
e
a
t
h
e
d
lead or
equivalent
BB004 G(E)
e
q
u
i
v
a
l
e
n
t
B2007 2.2 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M4 2-5.5 mm214-10
BB007 G(E)
B2015 2.8 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M4 3.5-5.5 mm212-10
BB015 G(E) 2-5.5 mm214-10
B2022 4.7 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M5 3-5.8 mm212-10
BB022 G(E) 2-8 mm214-10
B2037 7.5 KVA L1 (R), L2 (S), L3 (T), B1 B2 T1 (U),
T2 (V), T3 (W) M5 3-5.8 mm212-10
BB037 G(E) 2-8 mm214-10
Important
Leadsizeshouldbedeterminedconsideringvoltagedropofleads.
Grounding Ground the casing of the 3G3SV using ground terminal G (E).
1, 2, 3...
1. Ground resistance should be 100 or less.
2. Never ground the 3G3SV in common with welding machines,
motors, and other large-current electrical equipment, or
ground pole. Run the ground lead in a separate conduit from
leads for large-current electrical equipment.
3. Use the ground leads which comply with AWG standards and
make the length as short as possible.
4. Where several 3G3SV units are used side by side, all the units
should preferably be grounded directly to the ground poles.
However,connecting all the ground terminalsof3G3SV inpar-
allel, and grounding only one of 3G3SV to the ground pole is
also permissible (Fig. 4). However, do not form a loop with the
ground leads.
Good
(a)
Good
(b)
Poor
(c)
Fig. 3 Grounding of Three 3G3SV Units
1-4-2 Control Circuit Wiring
Control Signal Fig.4showstherelationshipbetweenI/Osignalsandscrewtermi-
nal numbers.
Section 1-4
.
Note 1. Separate the control signal wiring from power lines.
2. Use shielded leads or twisted-pair shielded leads for freq. set-
ting signal (analog) and ensure sufficient terminal processing.
Control Circuit Terminal Arrangement
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
20
10
13
11
12, 17
(20)
18
19
14
15
16
FM
P
P
Terminal
no.
Input signal Output signal
Terminal
no.
+--
Forward run/stop
Reverse run/stop
External fault
Fault reset
Multi-step
speed setting 1
Multi-step
speed setting 2
Multi-function
contact output
Inching
operation
Accel/decel
time change
Freq. setter
2k
4to20mA
current input
Sequence
common
Shielded lead
connection terminal
+12 V
Analog
(0 V) 3G3SV
Freq. meter
calibration resistor:
RV 30YN20S
20 k
Freq. meter or current
meter 3 V 1 mA moving-
coil type
PHC output less than
48 V 50 mA
Digital operator (optional)
Shielded sheath Armor
Never connect
Insulate these parts
with insulating tape.
To inverter shielded
sheath terminal (20)
2k
Fig. 4 Shielded Lead Termination
Section 1-4
/
1-5 Operation
1-5-1 Checking before Operation
Check the following items after completion of installation and wir-
ing:
1, 2, 3...
1. No fault in wiring. Especially, the power supply is connected to
the output terminals T1 (U), T2 (V), and T3 (W).
2. No short-circuit because of wiring contamination (dust, oil,
etc.).
3. Screws and terminals are not loosened. Wiring is provided
properly.
4. Load status is good.
Forsafeoperation,beforeoperation,themotormustbeabletoop-
erate alone by separating it from the coupling or belt which con-
nects the motor and machine.
When the motor is operated with the machine directly connected,
pay close attention.
1-5-2 Operation Method
The inverter can be operated in the following two methods.
The inverter is operated by frequency setter, operation switches,
etc. connected to the external terminals.
Prior to shipping, the initial setting mode is “operation by external
terminal”. After completion of external terminal wiring, operation
canbestarted.Therefore,evenwithoutthedigitaloperator,opera-
tion can be performed.
Each set value such as accel/decel time isset to a value indicated
in page 46 at the factory. To change this value, the digital operator
must be connected.
The following will be available by connecting the digital operator
when the inverter is operated by external terminal:
•Monitoring of output frequency and output current
•Reading and changing of each constant set value
•Checking of the contents at fault occurrence
•Checking of the operation status (FWD/REV run)
Output frequency or output current is displayed in the digital dis-
play section.
IM
3G3SV
Power supply Inverter Motor
FWD signal
REV signal
Freq. setter
no-01 = xx00
Operation by External
Terminal Input
Section 1-5
0
The inverter is operated only by the digital operator, by operating
the digital operator RUN (run command) key, etc.
Operation is possible by changing the operation mode to “opera-
tion by digital operator” mode (no--01 = 0011).
Even if the frequency setter or operation switch is not connected,
operation can be easily performed.
Refer to page 29 for the details of the operation method.
The digital operator is optional which mustbe ordered separately.
IM
3G3SV
Power supply Inverter Motor
no-01 = xx11
1-5-3 Setting before Operation
Since the standard invertermodels are not provided with constant
settingswitches,etc.,thedigitaloperatormustbeusedon orderto
change the constants fromthe initial valuesto the values inaccor-
dance with the load specifications.
The values indicated in page 46 are set prior to shipping. Change
thesetvaluesbyusingthedigitaloperatoronlytofindtheoptimum
values.
The following describes the functions and initial constant set val-
ues which are often used for operation.
60
010”
Accel time 10”
Decel time
Output freq.
(Hz)
Fig. 5 Output Frequency and Accel/Decel Time
60
0
1.5 10 V
Output freq.
(Hz)
Freq. setting voltage (V)
Fig. 6 Frequency Setting Signal and Output Frequency
Operation by Digital
Operator
Set Value Prior to
Shipping
Section 1-5
&
200
0
12
601.5
Output voltage
(V)
Output freq. (Hz)
Fig. 7 V/f Characteristics
Sincetheinverterisprovidedwithelectronicthermaloverloadpro-
tective function in order to protect the motor from overheating
faults, set the rated current value described on the motor name-
plate. Standard 4-pole motor current value is set as the initial val-
ue.
Note Provide a thermal relay or thermal protector when more than one
motor is operated simultaneously.
1-5-4 Checking Points at Test Run
TurnonthepowersupplyaftercheckingthattheFWD(orREV)run
signal has been turned off.
Perform the test run as described below and check the operation
status.
Power on
Operation by
external terminals Operation by
digital operator Note Refer to Section 2-2
Description
ofDigitalOperatorandOperating
Sections
for the details of the op-
eration contents.
Operation method
selection “Operation by external terminal”
mode is set prior to shipping. Enter the program mode (depress key) and
set No. 01 data to 0011 by using or keys.
Then depress key.
PRG
ENT
E
n
t
e
r
t
h
e
d
r
i
v
e
m
o
d
e
(
d
e
p
r
e
s
s
k
e
y
)
D
R
I
V
E
Operation Turn off FWD or REV run signal.
Turn the frequency setter knob
slowly to the right to increase the
value fully.
E
n
t
er
t
h
e
d
r
i
ve mo
d
e
(
d
epress
k
ey.
)
After setting frequency set value required for
operation by using or keys, depress
key.
Depress key.
D
R
I
V
E
ENT
RUN
Stopping Turn the frequency setter knob
slowly to the left to decrease
value fully.
Depress key. (see note)
STOP
Note When output frequency reaches 1.5 Hz, dynamic brake (DB) is
applied for 0.5 s and the motor stops immediately.
Check Points
1, 2, 3...
1. Motor rotation is smooth.
2. Motor rotating direction is proper.
Motor Rated Current
Setting
Section 1-5
3. Motor does not have abnormal vibration or beat.
4. Accel/decel is smooth.
Precautions
1, 2, 3...
1. The motor does not start up if both FWD and REV run signals
are turned on simultaneously. If they are turned on simulta-
neously during run, the motor decelerates to a stop.
2. Whenoutput frequency reaches1.5Hz(setvaluepriortoship-
ping) at deceleration, the dynamic brake (DB)operates for 0.5
s and metallic noise is generated by the motor. However, this
noise is normal.
3. Ifafaultoccursduringaccelerationordecelerationandthemo-
torcoaststoastop,checkthemotorstoppingpositionandthen
the following items:
a) Load is not excessively large.
b) Accel/decel time is long enough for load.
Resetting must be performed by external signal input (or
RESET key of the digital operator) or by turning off the power
supply.
1-6 Maintenance
Periodic Inspection The3G3SVrequiresveryfewroutinechecks.Itwillfunctionlonger
if it is kept clean, cool and dry, while observing the precautions
listed in “Location”. Check for tightness of electrical connections,
discoloration or other signs of overheating. Use Table 6 as the in-
spection guide. Before servicing, turn off AC main circuit power
and be sure that CHARGE lamp is off.
Table 6 Periodic Inspection
Component Check Corrective action
External terminals, unit
t
i
b
l
t
t
t
Loosened screws Tighten
mounting bolts, connectors, etc. Loosened connectors Tighten
Cooling fins Build-up of dust and dirt Blow with dry compressed air of 57
to 85 lbs. in2(4to6kg
cm2)
pressure.
Printed circuit board Accumulation of conductive dust or
oil mist. Clean the board. If dust and oil
cannot be removed, replace the
inverter unit.
Cooling fan For abnormal noise and vibration.
Whether the cumulative operation
time exceeds 20,000 hours or not.
Replace the cooling fan.
Power elements Accumulation of dust and dirt Blow with a dry compressed air of
57 to 85 lbs. in2(4to6kg
cm2)
pressure.
Smoothing capacitor Discoloration or odor Replace the capacitor or inverter
unit.
Section 1-6
1-7 Fault Display and Troubleshooting
If a fault occurs and the inverter functions are lit, check for the
causes and provide proper corrective actions, referring to the fol-
lowing checking method.
1-7-1 Checking of Causes
The inverter has protective functions to protect it from faults such
asovercurrentorovervoltage.Ifafaultoccurs,theprotectivefunc-
tionsoperatetoshutofftheinverteroutputandthemotorcoaststo
a stop. At the same time, the fault contact signal is output.
When the protective functions operate, the digital display unit dis-
plays the fault shown in Table 5. Also when the digital operator is
used, the same display except for control function faults is pro-
vided. (Refer to note 1 following Table 5.)
Operation can be restarted by turning on the reset input signal or
turning off the power supply once.
Table 5 Fault Display and Contents
Fault display Contents Possible cause/corrective actions
OC (Overcurrent)
Inverter output current exceeds
200% of rated current.
(Momentary action)
The following causes can be considered: in-
verter output side short-circuit, excessive
load GD2, excessively short setting of accel/
decel time, special motor use, motor start
during coasting, start of motor with larger ca-
pacity than inverter, inverter output side mag-
netic contactor on/off.
Reset after finding the cause.
GF (Ground Fault)
Inverter output side is
grounded. Check that the motor or load side wiring is
not grounded.
OV (Overvoltage)
Main circuit DC voltage ex-
ceeds 410 V or more because
of excessive regenerative ener-
gy from motor.
Decel time setting is not sufficient or minus
load (elevators, etc.) is decreasing.
Increase decel time or connect a braking re-
sistor (option).
UV (Undervoltage)
Undervoltage status is entered.
(or main circuit DC voltage be-
comes 210 V or less, or less
than undervoltage detection
level.)
Input power supply voltage is reduced,
phases are opened or momentary power loss
occurs, etc.
Check the power supply voltage, or check
that main circuit power supply wiring is con-
nected properly or terminal screws are tight-
ened well.
OH (Inverter Overheat)
Thermistor operates because of
inverter overload operation or
ambient temperature rise.
Load is too large, V/f characteristics are not
proper, setting time is too short or ambient
temperature exceeds 45
C, etc. Correct
load size, V/f set value or ambient tempera-
ture.
(No display)
(Fuse Blown) Main circuit fuse is blown. Replace the inverter.
OL1 (Motor Overload)
Motor overload protection oper-
ates because of electronic over-
load thermal.
Correct load size, operation pattern or V/f set
value. Set the rated current value described
in the motor nameplate.
Section 1-7
Fault display Possible cause/corrective actionsContents
OL2 (Inverter Overload)
Inverter overload protection op-
erates because of electronic
overload thermal.
Correct load size, operation pattern or V/f set
value. Recheck the inverter capacity.
OL3 (Overtorque Detec-
tion)
Motor current exceeding set
value is applied because of ma-
chine fault or overload.
Check the machine using status and remove
the cause. Or increase the set value up to
the allowable value.
EF3 (External Fault)
Inverter accepts fault contact
signal input from external cir-
cuit.
Check the external circuitry (sequence).
CPF (Control Function
Fault)
-
,
(see note 1)
Inverter control functions are
broken down. Turn off the power supply once and then turn
it on again. If the fault still exists, replace the
inverter.
CPF-00
(
)Initial memory fault is detected. Turn off the power supply once and turn it on
again. If the fault still exists, replace the in-
verter.
CPF-01
(
)Transmission error or ROM
fault is detected. Turn off the power supply once and turn it on
again. If the fault still exists, replace the in-
verter.
CPF-04
(
)Constant fault is detected. Record all data, and then make initialization.
Turn off the supply once and turn it on again.
If the fault still exists, replace the inverter.
CPF-05
(
)AD converter fault is detected. Turn off the power supply once and turn it on
again. If the fault still exists. replace the in-
verter.
CPF-07
(
)Thermistor fault is detected. Replace the inverter.
Note 1. Digital operator display contents
2. Details of -:: display.Display in () belongs tothe digital dis-
play section.
1-7-2 Alarm Display and Self-diagnosis
Fault display Contents Possible cause/corrective actions
EF (Simultaneous Input of
FWD and REV com-
mands)
blinks.
Both FWD and REV commands
are “closed” for 500 ms or
more.
Check the sequence circuit
BB (External Baseblock)
External baseblock signal is ac-
cepted. (Pay attention since op-
eration restarts by releasing the
external baseblock signal.)
Check the sequence circuit
UV (Main Circuit Under-
voltage)
blinks.
Main circuit DC voltage is re-
duced less than detection level
when inverter is not outputting.
Check power supply voltage or check that
power supply terminal screws are tightened
well.
OL3 (Overtorque Detec-
tion)
blinks.
Inverter output current exceeds
overtorque detection level. Check the machine using status and remove
the cause. Or increase the set value.
Section 1-7
-
1-7-3 Inverter Monitor Display
The inverter display unit (3-digit LED) provided for the standard
models has the following display, disregarding the modes (drive
mode, program mode).
Display contents can be selected by the 1st digit of constant 21
monitor selection.
Output frequency display
or output current display
Protection/alarm display
Power on
“0”: Output frequency
“1”: Output current
“0”:
“1”:
Protection/alarm display
No minus display even in re-
verse run.
Less than 100 Hz:
1 digit below decimal point
100 Hz or more:
No digit below decimal point
Less than 10 A:
1 digit below decimal point
10 A or more:
No digit below decimal point
Fault reset Fault
occurrence
1-7-4 Corrective Action for Motor Faults
Table 6 shows the check points and corrective actions of motor
faults.
Section 1-7
(
Table 6 Motor Faults and Corrective Actions
Fault Check point Corrective action
Motor does not rotate. Power supply voltage is applied to
power supply terminals L1 (R), L2 (S),
and L3 (T). (Check that charge lamp is
on.)
Turn on the power supply.
Turn off the power supply and then on
again.
Check power supply voltage.
Voltage is output to output terminals
T1 (U), T2 (V), and T3 (W). Turn off the power supply and then on
again.
Load is excessively large. (Motor is
locked.) Reduce the load. (Release the lock.)
Fault is displayed. Check according to Par. 1.7.1
FWD or REV run command is entered. Correct the wiring.
Frequency setting signal is entered.
Operation (method selection) mode
setting is proper. Check the operation method selection
mode by using the digital operator.
Motor rotating direction is
reversed. Wiring of output terminals T1 (U), T2
(V), and T3 (W) is correct. Match them to the phase order of mo-
torT1(U),T2(V),andT3(W).
Wiring of FWD and REV run signals is
correct. Correct the wiring.
Motor rotates but variable
speed is not available. Wiring of frequency setting circuit is
correct. Correct the wiring.
Load is not excessively large. Reduce the load.
Motor r/min is too high
(low). Motor ratings (number of poles, volt-
age) are proper. Check the specifications and name-
plate.
Accel/decel ratio by speed changer
(gears, etc.) is correct. ---
Maximum frequency set value is cor-
rect. Check the maximum frequency set
value.
Voltage between motor terminals is
not excessively reduced. Check the base frequency.
r/min is not stable during
t
i
Load is not excessively large. Reduce the load.
g
operation. Load variation is not excessively large. Reduce the load variation.
Increase the inverter or motor capac-
ity.
1-8 Specifications
1-8-1 Specifications
Inverter model
3
G
3
S
V
E
3-phase B2002 B2004 B2007 B2015 B2022 B2037
3G3SV-
-E Single-phase BB002 BB004 BB007 BB015 BB022 BB037
Max. applicable motor output Hp (kW)
(see note 1) 0.25
(0.2) 0.5
(0.4) 0.25
(0.75) 2 (1.5) 3 (2.2) 5 (3.7)
Output char-
t
i
t
i
Inverter capacity (kVA) 0.7 1.3 2.2 2.8 4.7 7.5
acteristics Rated output current (A) 1.5 356.5 11 17.5
Max. continuous output cur-
rent (A) (see note 2) 1.7 3.4 5.6 7.3 12.4 19.6
Max. output voltage 3-phase, 200/208/220/230 V (proportional to input voltage)
Max. output frequency 400 Hz (available with constant setting)
Section 1-8
,
Inverter model
3G3SV-
-E B2037B2022B2015B2007B2004B20023-phaseInverter model
3G3SV-
-E BB037BB022BB015BB007BB004BB002Single-phase
Power supply Rated input voltage and fre-
quency 3-phase: 200/208/220 V, 50 Hz
200/208/220/230 V, 60 Hz
Single-phase: 200/208/220/240 V, 50 Hz
200/208/220/230 V, 60 Hz
Allowable voltage fluctuation
10%
Allowable frequency fluctua-
tion
5%
Control char-
t
i
t
i
Control method Sine wave PWM
acteristics Frequency control range 0.1 to 400 Hz
Frequency accuracy Digital command: 0.01% +14
to 104
F, --10
to 40
C
Analog command: 0.1% 77
18
F, 25
10
C
Frequency resolution Digital operator reference: 0.1 Hz.
Analog reference: 0.06 Hz/60 Hz
Output frequency resolution 0.1 Hz
Overload capacity 150% rated output current for one minute
Frequency setting signal 0to10VDC(20k
), 4-20 mA (250
)
Accel/decel time 0.1 to 600 sec (accel/decel time setting independently)
Braking torque Approx. 20% (up to 150% possible with optional braking
resistor externally mounted)
V/f characteristic Possible to set any program of V/f pattern
Stall prevention level Possible to set operating current
Protective
f
t
i
Instantaneous overcurrent Motor coasts to a stop at approx. 200% rated current.
functions Overload Motor coasts to a stop for 1 minute at 150% rated output
current
Motor overload protection Electronic thermal overload relay
Overvoltage Motor coasts to a stop if converter output voltage exceeds
410 V.
Undervoltage Motor coasts to a stop if the converter output voltage of a
3-phase model drops to 210 V or below and that of a
single-phase model drops to 170 V or below.
Ground fault Provided by electronic circuit.
Momentary power loss Immediately stops if 15 ms or more momentary power
loss. Resumes operating after a power loss period of
approximately 2 s if the input is 1.5 kW or more and
approximately 1 s if the input is 0.75 kW or less in a certain
mode.
Heat sink fin overheat Protected by thermistor
Power charge indication Charge lamp stays ON until bus voltage drops below 50 V.
Section 1-8
This manual suits for next models
1
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